X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=configure;h=efb891456ae9f8eb157da1e2160f04b0a6f5bc56;hb=6d8346ead69d865e765a5429c1f579d7111a75b7;hp=6a355538052bc84d1be1b21626450ddacc8b3d4e;hpb=3378408987189772eec7bc62fc9923a6f01dc63c;p=platform%2Fupstream%2Fglibc.git diff --git a/configure b/configure index 6a35553..efb8914 100755 --- a/configure +++ b/configure @@ -588,6 +588,7 @@ ac_unique_file="include/features.h" enable_option_checking=no ac_subst_vars='LTLIBOBJS LIBOBJS +pthread_in_libc RELEASE VERSION mach_interface_list @@ -595,9 +596,6 @@ DEFINES static_nss profile libc_cv_multidir -libc_cv_pie_default -libc_cv_cc_pie_default -libc_cv_pic_default shared static ldd_rewrite_script @@ -622,13 +620,9 @@ libc_cv_cc_loop_to_function libc_cv_cc_submachine libc_cv_cc_nofma libc_cv_mtls_dialect_gnu2 -fno_unit_at_a_time -libc_cv_output_format libc_cv_has_glob_dat -libc_cv_hashstyle libc_cv_fpie libc_cv_z_execstack -libc_cv_z_combreloc ASFLAGS_config libc_cv_cc_with_libunwind libc_cv_insert @@ -641,10 +635,17 @@ CXX_CMATH_HEADER CXX_CSTDLIB_HEADER CXX_SYSINCLUDES SYSINCLUDES +sysnames +submachine +multi_arch +libc_cv_textrel_ifunc +no_stack_protector +stack_protector +libc_cv_ssp +libc_cv_with_fp PYTHON PYTHON_PROG AUTOCONF -NM BISON AWK SED @@ -652,23 +653,16 @@ MAKEINFO MSGFMT MAKE LD -AS +NM +OBJDUMP +READELF GPROF OBJCOPY -OBJDUMP AR LN_S INSTALL_DATA INSTALL_SCRIPT INSTALL_PROGRAM -sysnames -submachine -multi_arch -libc_cv_textrel_ifunc -no_stack_protector -stack_protector -libc_cv_ssp -libc_cv_with_fp base_machine have_tunables build_pt_chown @@ -684,13 +678,13 @@ force_install bindnow hardcoded_path_in_tests enable_timezone_tools +rtld_early_cflags extra_nonshared_cflags use_default_link sysheaders ac_ct_CXX CXXFLAGS CXX -READELF CPP cross_compiling BUILD_CC @@ -764,13 +758,14 @@ with_selinux with_headers with_default_link with_nonshared_cflags +with_rtld_early_cflags +with_timeoutfactor enable_sanity_checks enable_shared enable_profile -enable_static_pie +enable_default_pie enable_timezone_tools enable_hardcoded_path_in_tests -enable_stackguard_randomization enable_hidden_plt enable_bind_now enable_stack_protector @@ -792,6 +787,7 @@ enable_pt_chown enable_tunables enable_mathvec enable_cet +enable_scv with_cpu ' ac_precious_vars='build_alias @@ -1423,16 +1419,13 @@ Optional Features: in special situations) [default=yes] --enable-shared build shared library [default=yes if GNU ld] --enable-profile build profiled library [default=no] - --enable-static-pie enable static PIE support and use it in the - testsuite [default=no] + --disable-default-pie Do not build glibc programs and the testsuite as PIE + [default=no] --disable-timezone-tools do not install timezone tools [default=install] --enable-hardcoded-path-in-tests hardcode newly built glibc path in tests [default=no] - --enable-stackguard-randomization - initialize __stack_chk_guard canary with a random - number at program start --disable-hidden-plt do not hide internal function calls to avoid PLT --enable-bind-now disable lazy relocations in DSOs --enable-stack-protector=[yes|no|all|strong] @@ -1467,6 +1460,8 @@ Optional Features: depends on architecture] --enable-cet enable Intel Control-flow Enforcement Technology (CET), x86 only + --disable-scv syscalls will not use scv instruction, even if the + kernel supports it, powerpc only Optional Packages: --with-PACKAGE[=ARG] use PACKAGE [ARG=yes] @@ -1483,6 +1478,10 @@ Optional Packages: --with-default-link do not use explicit linker scripts --with-nonshared-cflags=CFLAGS build nonshared libraries with additional CFLAGS + --with-rtld-early-cflags=CFLAGS + build early initialization with additional CFLAGS + --with-timeoutfactor=NUM + specify an integer to scale the timeout --with-cpu=CPU select code for CPU variant Some influential environment variables: @@ -1746,6 +1745,43 @@ fi as_fn_set_status $ac_retval } # ac_fn_c_try_link + +# ac_fn_c_try_cpp LINENO +# ---------------------- +# Try to preprocess conftest.$ac_ext, and return whether this succeeded. +ac_fn_c_try_cpp () +{ + as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack + if { { ac_try="$ac_cpp conftest.$ac_ext" +case "(($ac_try" in + *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; + *) ac_try_echo=$ac_try;; +esac +eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" +$as_echo "$ac_try_echo"; } >&5 + (eval "$ac_cpp conftest.$ac_ext") 2>conftest.err + ac_status=$? + if test -s conftest.err; then + grep -v '^ *+' conftest.err >conftest.er1 + cat conftest.er1 >&5 + mv -f conftest.er1 conftest.err + fi + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; } > conftest.i && { + test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" || + test ! -s conftest.err + }; then : + ac_retval=0 +else + $as_echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_retval=1 +fi + eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno + as_fn_set_status $ac_retval + +} # ac_fn_c_try_cpp cat >config.log <<_ACEOF This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. @@ -2834,98 +2870,6 @@ if test -z "$CPP"; then CPP="$CC -E" fi -if test -n "$ac_tool_prefix"; then - # Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args. -set dummy ${ac_tool_prefix}readelf; ac_word=$2 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_READELF+:} false; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$READELF"; then - ac_cv_prog_READELF="$READELF" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_READELF="${ac_tool_prefix}readelf" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -fi -fi -READELF=$ac_cv_prog_READELF -if test -n "$READELF"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5 -$as_echo "$READELF" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - - -fi -if test -z "$ac_cv_prog_READELF"; then - ac_ct_READELF=$READELF - # Extract the first word of "readelf", so it can be a program name with args. -set dummy readelf; ac_word=$2 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_ac_ct_READELF+:} false; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$ac_ct_READELF"; then - ac_cv_prog_ac_ct_READELF="$ac_ct_READELF" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_ac_ct_READELF="readelf" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -fi -fi -ac_ct_READELF=$ac_cv_prog_ac_ct_READELF -if test -n "$ac_ct_READELF"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_READELF" >&5 -$as_echo "$ac_ct_READELF" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } -fi - - if test "x$ac_ct_READELF" = x; then - READELF="false" - else - case $cross_compiling:$ac_tool_warned in -yes:) -{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5 -$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;} -ac_tool_warned=yes ;; -esac - READELF=$ac_ct_READELF - fi -else - READELF="$ac_cv_prog_READELF" -fi - # We need the C++ compiler only for testing. ac_ext=cpp @@ -3336,7 +3280,7 @@ fi if test "${with_default_link+set}" = set; then : withval=$with_default_link; use_default_link=$withval else - use_default_link=default + use_default_link=no fi @@ -3350,6 +3294,28 @@ fi +# Check whether --with-rtld-early-cflags was given. +if test "${with_rtld_early_cflags+set}" = set; then : + withval=$with_rtld_early_cflags; rtld_early_cflags=$withval +else + rtld_early_cflags= +fi + + + + +# Check whether --with-timeoutfactor was given. +if test "${with_timeoutfactor+set}" = set; then : + withval=$with_timeoutfactor; timeoutfactor=$withval +else + timeoutfactor=1 +fi + +cat >>confdefs.h <<_ACEOF +#define TIMEOUTFACTOR $timeoutfactor +_ACEOF + + # Check whether --enable-sanity-checks was given. if test "${enable_sanity_checks+set}" = set; then : enableval=$enable_sanity_checks; enable_sanity=$enableval @@ -3372,11 +3338,11 @@ else profile=no fi -# Check whether --enable-static-pie was given. -if test "${enable_static_pie+set}" = set; then : - enableval=$enable_static_pie; static_pie=$enableval +# Check whether --enable-default-pie was given. +if test "${enable_default_pie+set}" = set; then : + enableval=$enable_default_pie; default_pie=$enableval else - static_pie=no + default_pie=yes fi # Check whether --enable-timezone-tools was given. @@ -3397,18 +3363,6 @@ fi -# Check whether --enable-stackguard-randomization was given. -if test "${enable_stackguard_randomization+set}" = set; then : - enableval=$enable_stackguard_randomization; enable_stackguard_randomize=$enableval -else - enable_stackguard_randomize=no -fi - -if test "$enable_stackguard_randomize" = yes; then - $as_echo "#define ENABLE_STACKGUARD_RANDOMIZE 1" >>confdefs.h - -fi - # Check whether --enable-hidden-plt was given. if test "${enable_hidden_plt+set}" = set; then : enableval=$enable_hidden_plt; hidden=$enableval @@ -3763,6 +3717,7 @@ else fi + cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -3777,12 +3732,12 @@ main () return 0; } _ACEOF -if ac_fn_c_try_compile "$LINENO"; then : +if ac_fn_c_try_cpp "$LINENO"; then : libc_cv_compiler_default_cet=yes else libc_cv_compiler_default_cet=no fi -rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +rm -f conftest.err conftest.i conftest.$ac_ext # Check whether --enable-cet was given. if test "${enable_cet+set}" = set; then : @@ -3792,6 +3747,19 @@ else fi +# Check whether --enable-scv was given. +if test "${enable_scv+set}" = set; then : + enableval=$enable_scv; use_scv=$enableval +else + use_scv=yes +fi + + +if test "$use_scv" != "no"; then : + $as_echo "#define USE_PPC_SCV 1" >>confdefs.h + +fi + # We keep the original values in `$config_*' and never modify them, so we # can write them unchanged into config.make. Everything else uses # $machine, $vendor, and $os, and changes them whenever convenient. @@ -3872,682 +3840,626 @@ fi test -n "$base_machine" || base_machine=$machine -# Determine whether to use fpu or nofpu sysdeps directories. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for use of fpu sysdeps directories" >&5 -$as_echo_n "checking for use of fpu sysdeps directories... " >&6; } -if ${libc_cv_with_fp+:} false; then : +### Locate tools. + +# Find a good install program. We prefer a C program (faster), +# so one script is as good as another. But avoid the broken or +# incompatible versions: +# SysV /etc/install, /usr/sbin/install +# SunOS /usr/etc/install +# IRIX /sbin/install +# AIX /bin/install +# AmigaOS /C/install, which installs bootblocks on floppy discs +# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag +# AFS /usr/afsws/bin/install, which mishandles nonexistent args +# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" +# OS/2's system install, which has a completely different semantic +# ./install, which can be erroneously created by make from ./install.sh. +# Reject install programs that cannot install multiple files. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 +$as_echo_n "checking for a BSD-compatible install... " >&6; } +if test -z "$INSTALL"; then +if ${ac_cv_path_install+:} false; then : $as_echo_n "(cached) " >&6 else - cat > conftest.c <&5 2>&5 ; then - libc_cv_with_fp=yes -fi -rm -f conftest* -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_with_fp" >&5 -$as_echo "$libc_cv_with_fp" >&6; } + as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + # Account for people who put trailing slashes in PATH elements. +case $as_dir/ in #(( + ./ | .// | /[cC]/* | \ + /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ + ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ + /usr/ucb/* ) ;; + *) + # OSF1 and SCO ODT 3.0 have their own names for install. + # Don't use installbsd from OSF since it installs stuff as root + # by default. + for ac_prog in ginstall scoinst install; do + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then + if test $ac_prog = install && + grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # AIX install. It has an incompatible calling convention. + : + elif test $ac_prog = install && + grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then + # program-specific install script used by HP pwplus--don't use. + : + else + rm -rf conftest.one conftest.two conftest.dir + echo one > conftest.one + echo two > conftest.two + mkdir conftest.dir + if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && + test -s conftest.one && test -s conftest.two && + test -s conftest.dir/conftest.one && + test -s conftest.dir/conftest.two + then + ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" + break 3 + fi + fi + fi + done + done + ;; +esac + done +IFS=$as_save_IFS -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector" >&5 -$as_echo_n "checking for -fstack-protector... " >&6; } -if ${libc_cv_ssp+:} false; then : - $as_echo_n "(cached) " >&6 -else - if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector -xc /dev/null -S -o /dev/null' - { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; }; then : - libc_cv_ssp=yes -else - libc_cv_ssp=no -fi +rm -rf conftest.one conftest.two conftest.dir fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp" >&5 -$as_echo "$libc_cv_ssp" >&6; } - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-strong" >&5 -$as_echo_n "checking for -fstack-protector-strong... " >&6; } -if ${libc_cv_ssp_strong+:} false; then : - $as_echo_n "(cached) " >&6 -else - if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-strong -xc /dev/null -S -o /dev/null' - { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; }; then : - libc_cv_ssp_strong=yes + if test "${ac_cv_path_install+set}" = set; then + INSTALL=$ac_cv_path_install + else + # As a last resort, use the slow shell script. Don't cache a + # value for INSTALL within a source directory, because that will + # break other packages using the cache if that directory is + # removed, or if the value is a relative name. + INSTALL=$ac_install_sh + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 +$as_echo "$INSTALL" >&6; } + +# Use test -z because SunOS4 sh mishandles braces in ${var-val}. +# It thinks the first close brace ends the variable substitution. +test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' + +test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' + +test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' + +if test "$INSTALL" = "${srcdir}/scripts/install-sh -c"; then + # The makefiles need to use a different form to find it in $srcdir. + INSTALL='\$(..)./scripts/install-sh -c' +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 +$as_echo_n "checking whether ln -s works... " >&6; } +LN_S=$as_ln_s +if test "$LN_S" = "ln -s"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } else - libc_cv_ssp_strong=no + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 +$as_echo "no, using $LN_S" >&6; } fi + +# Was a --with-binutils option given? +if test -n "$path_binutils"; then + # Make absolute; ensure a single trailing slash. + path_binutils=`(cd $path_binutils; pwd) | sed 's%/*$%/%'` + CC="$CC -B$path_binutils" +fi +case "$CC" in + *fuse-ld=lld*) LDNAME=ld.lld;; + *) LDNAME=ld;; +esac +if test -z "$LD"; then + LD=`$CC -print-prog-name=$LDNAME` +fi +if test -z "$AR"; then + AR=`$CC -print-prog-name=ar` fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_strong" >&5 -$as_echo "$libc_cv_ssp_strong" >&6; } -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-all" >&5 -$as_echo_n "checking for -fstack-protector-all... " >&6; } -if ${libc_cv_ssp_all+:} false; then : - $as_echo_n "(cached) " >&6 -else - if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-all -xc /dev/null -S -o /dev/null' - { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; }; then : - libc_cv_ssp_all=yes -else - libc_cv_ssp_all=no +if test -z "$OBJCOPY"; then + OBJCOPY=`$CC -print-prog-name=objcopy` fi +if test -z "$GPROF"; then + GPROF=`$CC -print-prog-name=gprof` fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_all" >&5 -$as_echo "$libc_cv_ssp_all" >&6; } -stack_protector= -no_stack_protector= -if test "$libc_cv_ssp" = yes; then - no_stack_protector="-fno-stack-protector -DSTACK_PROTECTOR_LEVEL=0" - $as_echo "#define HAVE_CC_NO_STACK_PROTECTOR 1" >>confdefs.h +if test -z "$READELF"; then + READELF=`$CC -print-prog-name=readelf` +fi +if test -z "$OBJDUMP"; then + OBJDUMP=`$CC -print-prog-name=objdump` fi -if test "$enable_stack_protector" = yes && test "$libc_cv_ssp" = yes; then - stack_protector="-fstack-protector" - $as_echo "#define STACK_PROTECTOR_LEVEL 1" >>confdefs.h +if test -z "$NM"; then + NM=`$CC -print-prog-name=nm` +fi -elif test "$enable_stack_protector" = all && test "$libc_cv_ssp_all" = yes; then - stack_protector="-fstack-protector-all" - $as_echo "#define STACK_PROTECTOR_LEVEL 2" >>confdefs.h -elif test "$enable_stack_protector" = strong && test "$libc_cv_ssp_strong" = yes; then - stack_protector="-fstack-protector-strong" - $as_echo "#define STACK_PROTECTOR_LEVEL 3" >>confdefs.h +# Accept binutils 2.25 or newer. +libc_cv_with_lld=no +case $($LD --version) in + "GNU gold"*) + # Accept gold 1.14 or higher + for ac_prog in $LD +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LD+:} false; then : + $as_echo_n "(cached) " >&6 else - stack_protector="-fno-stack-protector" - $as_echo "#define STACK_PROTECTOR_LEVEL 0" >>confdefs.h + if test -n "$LD"; then + ac_cv_prog_LD="$LD" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LD="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS fi +fi +LD=$ac_cv_prog_LD +if test -n "$LD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + test -n "$LD" && break +done - -if test -n "$stack_protector"; then - no_ssp=-fno-stack-protector +if test -z "$LD"; then + ac_verc_fail=yes else - no_ssp= + # Found it, now check the version. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5 +$as_echo_n "checking version of $LD... " >&6; } + ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU gold.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + 1.1[4-9]*|1.[2-9][0-9]*|1.1[0-9][0-9]*|[2-9].*|[1-9][0-9]*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; - if test "$enable_stack_protector" != no; then - as_fn_error $? "--enable-stack-protector=$enable_stack_protector specified, but specified level of stack protection is not supported by the compiler." "$LINENO" 5 - fi + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 +$as_echo "$ac_prog_version" >&6; } +fi +if test $ac_verc_fail = yes; then + LD=: critic_missing="$critic_missing GNU gold" fi -# For the multi-arch option we need support in the assembler & linker. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler and linker STT_GNU_IFUNC support" >&5 -$as_echo_n "checking for assembler and linker STT_GNU_IFUNC support... " >&6; } -if ${libc_cv_ld_gnu_indirect_function+:} false; then : + ;; + "LLD"*) + # Accept LLD 13.0.0 or higher + for ac_prog in $LD +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LD+:} false; then : $as_echo_n "(cached) " >&6 else - cat > conftest.S <&5 2>&5; then - # Do a link to see if the backend supports IFUNC relocs. - $READELF -r conftest 1>&5 - LC_ALL=C $READELF -Wr conftest | grep -q 'IRELATIVE\|R_SPARC_JMP_IREL' && { - libc_cv_ld_gnu_indirect_function=yes - } + if test -n "$LD"; then + ac_cv_prog_LD="$LD" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LD="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + fi -rm -f conftest* fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_gnu_indirect_function" >&5 -$as_echo "$libc_cv_ld_gnu_indirect_function" >&6; } +LD=$ac_cv_prog_LD +if test -n "$LD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi -# Check if gcc supports attribute ifunc as it is used in libc_ifunc macro. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc attribute ifunc support" >&5 -$as_echo_n "checking for gcc attribute ifunc support... " >&6; } -if ${libc_cv_gcc_indirect_function+:} false; then : - $as_echo_n "(cached) " >&6 + + test -n "$LD" && break +done + +if test -z "$LD"; then + ac_verc_fail=yes else - cat > conftest.c <&5 \ - 2>&5 ; then - if $READELF -s conftest.o | grep IFUNC >/dev/null 2>&5; then - libc_cv_gcc_indirect_function=yes - fi + # Found it, now check the version. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5 +$as_echo_n "checking version of $LD... " >&6; } + ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*LLD.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + 1[3-9].*|[2-9][0-9].*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; + + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 +$as_echo "$ac_prog_version" >&6; } fi -rm -f conftest* +if test $ac_verc_fail = yes; then + LD=: critic_missing="$critic_missing LLD" fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_indirect_function" >&5 -$as_echo "$libc_cv_gcc_indirect_function" >&6; } -# Check if linker supports textrel relocation with ifunc (used on elf/tests). -# Note that it relies on libc_cv_ld_gnu_indirect_function test above. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the linker supports textrels along with ifunc" >&5 -$as_echo_n "checking whether the linker supports textrels along with ifunc... " >&6; } -if ${libc_cv_textrel_ifunc+:} false; then : + libc_cv_with_lld=yes + ;; + *) + for ac_prog in $LD +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_LD+:} false; then : $as_echo_n "(cached) " >&6 else - cat > conftest.S <&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; }; then - libc_cv_textrel_ifunc=yes - fi + if test -n "$LD"; then + ac_cv_prog_LD="$LD" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_LD="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS + fi -rm -f conftest* fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_textrel_ifunc" >&5 -$as_echo "$libc_cv_textrel_ifunc" >&6; } +LD=$ac_cv_prog_LD +if test -n "$LD"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 +$as_echo "$LD" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi -# Check if gcc warns about alias for function with incompatible types. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler warns about alias for function with incompatible types" >&5 -$as_echo_n "checking if compiler warns about alias for function with incompatible types... " >&6; } -if ${libc_cv_gcc_incompatible_alias+:} false; then : - $as_echo_n "(cached) " >&6 -else - cat > conftest.c <&5 +$as_echo_n "checking version of $LD... " >&6; } + ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU ld.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + 2.1[0-9][0-9]*|2.2[5-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; -extern __typeof (__redirect_foo) foo_alias __attribute__ ((alias ("foo"))); -EOF -libc_cv_gcc_incompatible_alias=yes -if ${CC-cc} -Werror -c conftest.c -o conftest.o 1>&5 2>&5 ; then - libc_cv_gcc_incompatible_alias=no + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 +$as_echo "$ac_prog_version" >&6; } fi -rm -f conftest* +if test $ac_verc_fail = yes; then + LD=: critic_missing="$critic_missing GNU ld" fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_incompatible_alias" >&5 -$as_echo "$libc_cv_gcc_incompatible_alias" >&6; } -if test x"$libc_cv_ld_gnu_indirect_function" != xyes; then - if test x"$multi_arch" = xyes; then - as_fn_error $? "--enable-multi-arch support requires assembler and linker support" "$LINENO" 5 - else - multi_arch=no + ;; +esac +config_vars="$config_vars +with-lld = $libc_cv_with_lld" + +# These programs are version sensitive. +for ac_prog in gnumake gmake make +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MAKE+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MAKE"; then + ac_cv_prog_MAKE="$MAKE" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MAKE="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 fi +done + done +IFS=$as_save_IFS + fi -if test x"$libc_cv_gcc_indirect_function" != xyes; then - # GCC 8+ emits a warning for alias with incompatible types and it might - # fail to build ifunc resolvers aliases to either weak or internal - # symbols. Disables multiarch build in this case. - if test x"$libc_cv_gcc_incompatible_alias" == xyes; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: gcc emits a warning for alias between functions of incompatible types" >&5 -$as_echo "$as_me: WARNING: gcc emits a warning for alias between functions of incompatible types" >&2;} - if test x"$multi_arch" = xyes; then - as_fn_error $? "--enable-multi-arch support requires a gcc with gnu-indirect-function support" "$LINENO" 5 - fi - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: Multi-arch is disabled." >&5 -$as_echo "$as_me: WARNING: Multi-arch is disabled." >&2;} - multi_arch=no - elif test x"$multi_arch" = xyes; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --enable-multi-arch support recommends a gcc with gnu-indirect-function support. -Please use a gcc which supports it by default or configure gcc with --enable-gnu-indirect-function" >&5 -$as_echo "$as_me: WARNING: --enable-multi-arch support recommends a gcc with gnu-indirect-function support. -Please use a gcc which supports it by default or configure gcc with --enable-gnu-indirect-function" >&2;} - fi fi -multi_arch_d= -if test x"$multi_arch" != xno; then - multi_arch_d=/multiarch +MAKE=$ac_cv_prog_MAKE +if test -n "$MAKE"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAKE" >&5 +$as_echo "$MAKE" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi -# Compute the list of sysdep directories for this configuration. -# This can take a while to compute. -sysdep_dir=$srcdir/sysdeps -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking sysdep dirs" >&5 -$as_echo_n "checking sysdep dirs... 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" >&6; } + ac_prog_version=`$MAKE --version 2>&1 | sed -n 's/^.*GNU Make[^0-9]*\([0-9][0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + [4-9].* | [1-9][0-9]*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; -# For sparc/sparc32, try sparc/sparc32 and then sparc. -mach= -tail=$machine${submachine:+/$submachine} -while m=`echo $tail | sed 's@^\(.*\)/\([^/]*\)$@& \1@'`; test -n "$m"; do - set $m - # Prepend the machine's FPU directory unless the architecture specific - # preconfigure disables it. - if test "$libc_cv_with_fp" = yes; then - maybe_fpu=/fpu - else - maybe_fpu=/nofpu - fi - # For each machine term, try it with and then without /multiarch. - for try_fpu in $maybe_fpu ''; do - for try_multi in $multi_arch_d ''; do - mach="$mach /$1$try_fpu$try_multi" - done - done - tail="$2" -done + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 +$as_echo "$ac_prog_version" >&6; } +fi +if test $ac_verc_fail = yes; then + critic_missing="$critic_missing make" +fi -# Find what sysdep directories exist. -sysnames= -for b in $base ''; do - for m0 in $mach ''; do - for v in /$vendor ''; do - test "$v" = / && continue - for o in /$ostry ''; do - test "$o" = / && continue - for m in $mach ''; do - try_suffix="$m0$b$v$o$m" - if test -n "$try_suffix"; then - try_srcdir="${srcdir}/" - try="sysdeps$try_suffix" - test -n "$enable_debug_configure" && - echo "$0 DEBUG: try $try" >&2 - if test -d "$try_srcdir$try"; then - sysnames="$sysnames $try" - { test -n "$o" || test -n "$b"; } && os_used=t - { test -n "$m" || test -n "$m0"; } && machine_used=t - case x${m0:-$m} in - x*/$submachine) submachine_used=t ;; - esac - fi - fi - done - done - done +for ac_prog in gnumsgfmt gmsgfmt msgfmt +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MSGFMT+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MSGFMT"; then + ac_cv_prog_MSGFMT="$MSGFMT" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MSGFMT="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done done +IFS=$as_save_IFS + +fi +fi +MSGFMT=$ac_cv_prog_MSGFMT +if test -n "$MSGFMT"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSGFMT" >&5 +$as_echo "$MSGFMT" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi + + + test -n "$MSGFMT" && break done -# If the assembler supports gnu_indirect_function symbol type and the -# architecture supports multi-arch, we enable multi-arch by default. -case $sysnames in -*"$multi_arch_d"*) - ;; -*) - test x"$multi_arch" = xdefault && multi_arch=no - ;; -esac -if test x"$multi_arch" != xno; then - $as_echo "#define USE_MULTIARCH 1" >>confdefs.h +if test -z "$MSGFMT"; then + ac_verc_fail=yes +else + # Found it, now check the version. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $MSGFMT" >&5 +$as_echo_n "checking version of $MSGFMT... " >&6; } + ac_prog_version=`$MSGFMT --version 2>&1 | sed -n 's/^.*GNU gettext.* \([0-9]*\.[0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + 0.10.3[6-9]* | 0.10.[4-9][0-9]* | 0.1[1-9]* | 0.[2-9][0-9]* | [1-9].*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 +$as_echo "$ac_prog_version" >&6; } +fi +if test $ac_verc_fail = yes; then + MSGFMT=: aux_missing="$aux_missing msgfmt" fi +for ac_prog in makeinfo +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_MAKEINFO+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$MAKEINFO"; then + ac_cv_prog_MAKEINFO="$MAKEINFO" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_MAKEINFO="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done + done +IFS=$as_save_IFS -if test -z "$os_used" && test "$os" != none; then - as_fn_error $? "Operating system $os is not supported." "$LINENO" 5 fi -if test -z "$machine_used" && test "$machine" != none; then - as_fn_error $? "The $machine is not supported." "$LINENO" 5 fi -if test -z "$submachine_used" && test -n "$submachine"; then - as_fn_error $? "The $submachine subspecies of $host_cpu is not supported." "$LINENO" 5 +MAKEINFO=$ac_cv_prog_MAKEINFO +if test -n "$MAKEINFO"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAKEINFO" >&5 +$as_echo "$MAKEINFO" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi -# We have now validated the configuration. - -# Expand the list of system names into a full list of directories -# from each element's parent name and Implies file (if present). -set $sysnames -names= -while test $# -gt 0; do - name=$1 - shift - - case " $names " in *" $name "*) - # Already in the list. - continue - esac - - # Report each name as we discover it, so there is no long pause in output. - echo $ECHO_N "$name $ECHO_C" >&6 + test -n "$MAKEINFO" && break +done - name_base=`echo $name | sed -e 's@\(.*sysdeps\)/.*@\1@'` +if test -z "$MAKEINFO"; then + ac_verc_fail=yes +else + # Found it, now check the version. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $MAKEINFO" >&5 +$as_echo_n "checking version of $MAKEINFO... " >&6; } + ac_prog_version=`$MAKEINFO --version 2>&1 | sed -n 's/^.*GNU texinfo.* \([0-9][0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + 4.[7-9]*|4.[1-9][0-9]*|[5-9].*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; - case $name in - /*) xsrcdir= ;; - *) xsrcdir=$srcdir/ ;; esac - test -n "$enable_debug_configure" && - echo "DEBUG: name/Implies $xsrcdir$name/Implies" >&2 + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 +$as_echo "$ac_prog_version" >&6; } +fi +if test $ac_verc_fail = yes; then + MAKEINFO=: aux_missing="$aux_missing makeinfo" +fi - for implies_file in Implies Implies-before Implies-after; do - implies_type=`echo $implies_file | sed s/-/_/` - eval ${implies_type}= - if test -f $xsrcdir$name/$implies_file; then - # Collect more names from the `Implies' file (removing comments). - implied_candidate="`sed 's/#.*$//' < $xsrcdir$name/$implies_file`" - for x in $implied_candidate; do - found=no - if test -d $xsrcdir$name_base/$x; then - eval "${implies_type}=\"\$${implies_type} \$name_base/\$x\"" - found=yes - fi - try="sysdeps/$x" - try_srcdir=$srcdir/ - test -n "$enable_debug_configure" && - echo "DEBUG: $name $implies_file $x try() {$try_srcdir}$try" >&2 - if test $try != $xsrcdir$name_base/$x && test -d $try_srcdir$try; - then - eval "${implies_type}=\"\$${implies_type} \$try\"" - found=yes - fi - if test $found = no; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: $name/$implies_file specifies nonexistent $x" >&5 -$as_echo "$as_me: WARNING: $name/$implies_file specifies nonexistent $x" >&2;} - fi - done - fi +for ac_prog in sed +do + # Extract the first word of "$ac_prog", so it can be a program name with args. +set dummy $ac_prog; ac_word=$2 +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 +$as_echo_n "checking for $ac_word... " >&6; } +if ${ac_cv_prog_SED+:} false; then : + $as_echo_n "(cached) " >&6 +else + if test -n "$SED"; then + ac_cv_prog_SED="$SED" # Let the user override the test. +else +as_save_IFS=$IFS; IFS=$PATH_SEPARATOR +for as_dir in $PATH +do + IFS=$as_save_IFS + test -z "$as_dir" && as_dir=. + for ac_exec_ext in '' $ac_executable_extensions; do + if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then + ac_cv_prog_SED="$ac_prog" + $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 + break 2 + fi +done done +IFS=$as_save_IFS - # Add NAME to the list of names. - names="$names $name" - - # Find the parent of NAME, using the empty string if it has none. - parent="`echo $name | sed -n -e 's=/[^/]*$==' -e '/sysdeps$/q' -e p`" +fi +fi +SED=$ac_cv_prog_SED +if test -n "$SED"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SED" >&5 +$as_echo "$SED" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } +fi - test -n "$enable_debug_configure" && - echo "DEBUG: $name Implies='$Implies' rest='$*' parent='$parent' \ -Implies_before='$Implies_before' Implies_after='$Implies_after'" >&2 - # Add the names implied by NAME, and NAME's parent (if it has one), to - # the list of names to be processed (the argument list). We prepend the - # implied names to the list and append the parent. We want implied - # directories to come before further directories inferred from the - # configuration components; this ensures that for sysv4, unix/common - # (implied by unix/sysv/sysv4) comes before unix/sysv (in ostry (here $*) - # after sysv4). - sysnames="`echo $Implies $* $Implies_before $parent $Implies_after`" - test -n "$sysnames" && set $sysnames + test -n "$SED" && break done -# Add the default directories. -default_sysnames="sysdeps/generic" -sysnames="$names $default_sysnames" - -# The other names were emitted during the scan. -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $default_sysnames" >&5 -$as_echo "$default_sysnames" >&6; } - - -### Locate tools. - -# Find a good install program. We prefer a C program (faster), -# so one script is as good as another. But avoid the broken or -# incompatible versions: -# SysV /etc/install, /usr/sbin/install -# SunOS /usr/etc/install -# IRIX /sbin/install -# AIX /bin/install -# AmigaOS /C/install, which installs bootblocks on floppy discs -# AIX 4 /usr/bin/installbsd, which doesn't work without a -g flag -# AFS /usr/afsws/bin/install, which mishandles nonexistent args -# SVR4 /usr/ucb/install, which tries to use the nonexistent group "staff" -# OS/2's system install, which has a completely different semantic -# ./install, which can be erroneously created by make from ./install.sh. -# Reject install programs that cannot install multiple files. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5 -$as_echo_n "checking for a BSD-compatible install... " >&6; } -if test -z "$INSTALL"; then -if ${ac_cv_path_install+:} false; then : - $as_echo_n "(cached) " >&6 -else - as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - # Account for people who put trailing slashes in PATH elements. -case $as_dir/ in #(( - ./ | .// | /[cC]/* | \ - /etc/* | /usr/sbin/* | /usr/etc/* | /sbin/* | /usr/afsws/bin/* | \ - ?:[\\/]os2[\\/]install[\\/]* | ?:[\\/]OS2[\\/]INSTALL[\\/]* | \ - /usr/ucb/* ) ;; - *) - # OSF1 and SCO ODT 3.0 have their own names for install. - # Don't use installbsd from OSF since it installs stuff as root - # by default. - for ac_prog in ginstall scoinst install; do - for ac_exec_ext in '' $ac_executable_extensions; do - if as_fn_executable_p "$as_dir/$ac_prog$ac_exec_ext"; then - if test $ac_prog = install && - grep dspmsg "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then - # AIX install. It has an incompatible calling convention. - : - elif test $ac_prog = install && - grep pwplus "$as_dir/$ac_prog$ac_exec_ext" >/dev/null 2>&1; then - # program-specific install script used by HP pwplus--don't use. - : - else - rm -rf conftest.one conftest.two conftest.dir - echo one > conftest.one - echo two > conftest.two - mkdir conftest.dir - if "$as_dir/$ac_prog$ac_exec_ext" -c conftest.one conftest.two "`pwd`/conftest.dir" && - test -s conftest.one && test -s conftest.two && - test -s conftest.dir/conftest.one && - test -s conftest.dir/conftest.two - then - ac_cv_path_install="$as_dir/$ac_prog$ac_exec_ext -c" - break 3 - fi - fi - fi - done - done - ;; -esac - - done -IFS=$as_save_IFS - -rm -rf conftest.one conftest.two conftest.dir - -fi - if test "${ac_cv_path_install+set}" = set; then - INSTALL=$ac_cv_path_install - else - # As a last resort, use the slow shell script. Don't cache a - # value for INSTALL within a source directory, because that will - # break other packages using the cache if that directory is - # removed, or if the value is a relative name. - INSTALL=$ac_install_sh - fi -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $INSTALL" >&5 -$as_echo "$INSTALL" >&6; } - -# Use test -z because SunOS4 sh mishandles braces in ${var-val}. -# It thinks the first close brace ends the variable substitution. -test -z "$INSTALL_PROGRAM" && INSTALL_PROGRAM='${INSTALL}' - -test -z "$INSTALL_SCRIPT" && INSTALL_SCRIPT='${INSTALL}' - -test -z "$INSTALL_DATA" && INSTALL_DATA='${INSTALL} -m 644' - -if test "$INSTALL" = "${srcdir}/scripts/install-sh -c"; then - # The makefiles need to use a different form to find it in $srcdir. - INSTALL='\$(..)./scripts/install-sh -c' -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ln -s works" >&5 -$as_echo_n "checking whether ln -s works... " >&6; } -LN_S=$as_ln_s -if test "$LN_S" = "ln -s"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 -$as_echo "yes" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no, using $LN_S" >&5 -$as_echo "no, using $LN_S" >&6; } -fi - - -# Was a --with-binutils option given? -if test -n "$path_binutils"; then - # Make absolute; ensure a single trailing slash. - path_binutils=`(cd $path_binutils; pwd) | sed 's%/*$%/%'` - CC="$CC -B$path_binutils" -fi -AS=`$CC -print-prog-name=as` -LD=`$CC -print-prog-name=ld` -AR=`$CC -print-prog-name=ar` - -OBJDUMP=`$CC -print-prog-name=objdump` - -OBJCOPY=`$CC -print-prog-name=objcopy` - -GPROF=`$CC -print-prog-name=gprof` - - -# Determine whether we are using GNU binutils. -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $AS is GNU as" >&5 -$as_echo_n "checking whether $AS is GNU as... " >&6; } -if ${libc_cv_prog_as_gnu+:} false; then : - $as_echo_n "(cached) " >&6 -else - # Most GNU programs take a -v and spit out some text including -# the word 'GNU'. Some try to read stdin, so give them /dev/null. -if $AS -o conftest -v &1 | grep GNU > /dev/null 2>&1; then - libc_cv_prog_as_gnu=yes +if test -z "$SED"; then + ac_verc_fail=yes else - libc_cv_prog_as_gnu=no -fi -rm -fr contest* -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_prog_as_gnu" >&5 -$as_echo "$libc_cv_prog_as_gnu" >&6; } -rm -f a.out -gnu_as=$libc_cv_prog_as_gnu + # Found it, now check the version. + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $SED" >&5 +$as_echo_n "checking version of $SED... " >&6; } + ac_prog_version=`$SED --version 2>&1 | sed -n 's/^.*GNU sed[^0-9]* \([0-9]*\.[0-9.]*\).*$/\1/p'` + case $ac_prog_version in + '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; + 3.0[2-9]*|3.[1-9]*|[4-9]*) + ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; + *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $LD is GNU ld" >&5 -$as_echo_n "checking whether $LD is GNU ld... " >&6; } -if ${libc_cv_prog_ld_gnu+:} false; then : - $as_echo_n "(cached) " >&6 -else - # Most GNU programs take a -v and spit out some text including -# the word 'GNU'. Some try to read stdin, so give them /dev/null. -if $LD -o conftest -v &1 | grep GNU > /dev/null 2>&1; then - libc_cv_prog_ld_gnu=yes -else - libc_cv_prog_ld_gnu=no + esac + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 +$as_echo "$ac_prog_version" >&6; } fi -rm -fr contest* +if test $ac_verc_fail = yes; then + SED=: aux_missing="$aux_missing sed" fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_prog_ld_gnu" >&5 -$as_echo "$libc_cv_prog_ld_gnu" >&6; } -gnu_ld=$libc_cv_prog_ld_gnu - -# Accept binutils 2.25 or newer. -for ac_prog in $AS +for ac_prog in gawk do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_AS+:} false; then : +if ${ac_cv_prog_AWK+:} false; then : $as_echo_n "(cached) " >&6 else - if test -n "$AS"; then - ac_cv_prog_AS="$AS" # Let the user override the test. + if test -n "$AWK"; then + ac_cv_prog_AWK="$AWK" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH @@ -4556,7 +4468,7 @@ do test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_AS="$ac_prog" + ac_cv_prog_AWK="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi @@ -4566,29 +4478,29 @@ IFS=$as_save_IFS fi fi -AS=$ac_cv_prog_AS -if test -n "$AS"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AS" >&5 -$as_echo "$AS" >&6; } +AWK=$ac_cv_prog_AWK +if test -n "$AWK"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 +$as_echo "$AWK" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi - test -n "$AS" && break + test -n "$AWK" && break done -if test -z "$AS"; then +if test -z "$AWK"; then ac_verc_fail=yes else # Found it, now check the version. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $AS" >&5 -$as_echo_n "checking version of $AS... " >&6; } - ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\).*$/\1/p'` + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $AWK" >&5 +$as_echo_n "checking version of $AWK... " >&6; } + ac_prog_version=`$AWK --version 2>&1 | sed -n 's/^.*GNU Awk[^0-9]*\([0-9][0-9.]*\).*$/\1/p'` case $ac_prog_version in '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; - 2.1[0-9][0-9]*|2.2[5-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) + 3.1.[2-9]*|3.[2-9]*|[4-9]*) ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; @@ -4597,23 +4509,20 @@ $as_echo_n "checking version of $AS... " >&6; } $as_echo "$ac_prog_version" >&6; } fi if test $ac_verc_fail = yes; then - AS=: critic_missing="$critic_missing as" + critic_missing="$critic_missing gawk" fi - -if test -n "`$LD --version | sed -n 's/^GNU \(gold\).*$/\1/p'`"; then - # Accept gold 1.14 or higher - for ac_prog in $LD +for ac_prog in bison do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_LD+:} false; then : +if ${ac_cv_prog_BISON+:} false; then : $as_echo_n "(cached) " >&6 else - if test -n "$LD"; then - ac_cv_prog_LD="$LD" # Let the user override the test. + if test -n "$BISON"; then + ac_cv_prog_BISON="$BISON" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH @@ -4622,7 +4531,7 @@ do test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_LD="$ac_prog" + ac_cv_prog_BISON="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi @@ -4632,29 +4541,29 @@ IFS=$as_save_IFS fi fi -LD=$ac_cv_prog_LD -if test -n "$LD"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 -$as_echo "$LD" >&6; } +BISON=$ac_cv_prog_BISON +if test -n "$BISON"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BISON" >&5 +$as_echo "$BISON" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi - test -n "$LD" && break + test -n "$BISON" && break done -if test -z "$LD"; then +if test -z "$BISON"; then ac_verc_fail=yes else # Found it, now check the version. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5 -$as_echo_n "checking version of $LD... " >&6; } - ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU gold.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'` + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $BISON" >&5 +$as_echo_n "checking version of $BISON... " >&6; } + ac_prog_version=`$BISON --version 2>&1 | sed -n 's/^.*bison (GNU Bison) \([0-9]*\.[0-9.]*\).*$/\1/p'` case $ac_prog_version in '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; - 1.1[4-9]*|1.[2-9][0-9]*|1.1[0-9][0-9]*|[2-9].*|[1-9][0-9]*) + 2.7*|[3-9].*|[1-9][0-9]*) ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; @@ -4663,21 +4572,55 @@ $as_echo_n "checking version of $LD... " >&6; } $as_echo "$ac_prog_version" >&6; } fi if test $ac_verc_fail = yes; then - LD=: critic_missing="$critic_missing GNU gold" + critic_missing="$critic_missing bison" fi + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC is sufficient to build libc" >&5 +$as_echo_n "checking if $CC is sufficient to build libc... " >&6; } +if ${libc_cv_compiler_ok+:} false; then : + $as_echo_n "(cached) " >&6 +else + +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +int +main () +{ + +#if !defined __GNUC__ || __GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2) +#error insufficient compiler +#endif + ; + return 0; +} +_ACEOF +if ac_fn_c_try_cpp "$LINENO"; then : + libc_cv_compiler_ok=yes else - for ac_prog in $LD + libc_cv_compiler_ok=no +fi +rm -f conftest.err conftest.i conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_compiler_ok" >&5 +$as_echo "$libc_cv_compiler_ok" >&6; } +if test $libc_cv_compiler_ok != yes; then : + critic_missing="$critic_missing compiler" +fi + +if test "x$maintainer" = "xyes"; then + for ac_prog in autoconf do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_LD+:} false; then : +if ${ac_cv_prog_AUTOCONF+:} false; then : $as_echo_n "(cached) " >&6 else - if test -n "$LD"; then - ac_cv_prog_LD="$LD" # Let the user override the test. + if test -n "$AUTOCONF"; then + ac_cv_prog_AUTOCONF="$AUTOCONF" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH @@ -4686,7 +4629,7 @@ do test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_LD="$ac_prog" + ac_cv_prog_AUTOCONF="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi @@ -4696,55 +4639,58 @@ IFS=$as_save_IFS fi fi -LD=$ac_cv_prog_LD -if test -n "$LD"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $LD" >&5 -$as_echo "$LD" >&6; } +AUTOCONF=$ac_cv_prog_AUTOCONF +if test -n "$AUTOCONF"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AUTOCONF" >&5 +$as_echo "$AUTOCONF" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi - test -n "$LD" && break + test -n "$AUTOCONF" && break done +test -n "$AUTOCONF" || AUTOCONF="no" -if test -z "$LD"; then - ac_verc_fail=yes + case "x$AUTOCONF" in + xno|x|x:) AUTOCONF=no ;; + *) + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works" >&5 +$as_echo_n "checking whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works... " >&6; } +if ${libc_cv_autoconf_works+:} false; then : + $as_echo_n "(cached) " >&6 else - # Found it, now check the version. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $LD" >&5 -$as_echo_n "checking version of $LD... " >&6; } - ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU ld.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'` - case $ac_prog_version in - '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; - 2.1[0-9][0-9]*|2.2[5-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*) - ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; - *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; - - esac - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5 -$as_echo "$ac_prog_version" >&6; } -fi -if test $ac_verc_fail = yes; then - LD=: critic_missing="$critic_missing GNU ld" + if (cd $srcdir; $AUTOCONF $ACFLAGS configure.ac > /dev/null 2>&1); then + libc_cv_autoconf_works=yes + else + libc_cv_autoconf_works=no + fi fi - +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_autoconf_works" >&5 +$as_echo "$libc_cv_autoconf_works" >&6; } + test $libc_cv_autoconf_works = yes || AUTOCONF=no + ;; + esac + if test "x$AUTOCONF" = xno; then + aux_missing="$aux_missing autoconf" + fi +else + AUTOCONF=no fi -# These programs are version sensitive. - -for ac_prog in gnumake gmake make +# Check for python3 if available, or else python. +for ac_prog in python3 python do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 $as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_MAKE+:} false; then : +if ${ac_cv_prog_PYTHON_PROG+:} false; then : $as_echo_n "(cached) " >&6 else - if test -n "$MAKE"; then - ac_cv_prog_MAKE="$MAKE" # Let the user override the test. + if test -n "$PYTHON_PROG"; then + ac_cv_prog_PYTHON_PROG="$PYTHON_PROG" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH @@ -4753,7 +4699,7 @@ do test -z "$as_dir" && as_dir=. for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_MAKE="$ac_prog" + ac_cv_prog_PYTHON_PROG="$ac_prog" $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 break 2 fi @@ -4763,29 +4709,29 @@ IFS=$as_save_IFS fi fi -MAKE=$ac_cv_prog_MAKE -if test -n "$MAKE"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAKE" >&5 -$as_echo "$MAKE" >&6; } +PYTHON_PROG=$ac_cv_prog_PYTHON_PROG +if test -n "$PYTHON_PROG"; then + { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PYTHON_PROG" >&5 +$as_echo "$PYTHON_PROG" >&6; } else { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 $as_echo "no" >&6; } fi - test -n "$MAKE" && break + test -n "$PYTHON_PROG" && break done -if test -z "$MAKE"; then +if test -z "$PYTHON_PROG"; then ac_verc_fail=yes else # Found it, now check the version. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $MAKE" >&5 -$as_echo_n "checking version of $MAKE... " >&6; } - ac_prog_version=`$MAKE --version 2>&1 | sed -n 's/^.*GNU Make[^0-9]*\([0-9][0-9.]*\).*$/\1/p'` + { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $PYTHON_PROG" >&5 +$as_echo_n "checking version of $PYTHON_PROG... " >&6; } + ac_prog_version=`$PYTHON_PROG --version 2>&1 | sed -n 's/^.*Python \([0-9][0-9.]*\).*$/\1/p'` case $ac_prog_version in '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;; - [4-9].* | [1-9][0-9]*) + 3.[4-9]*|3.[1-9][0-9]*|[4-9].*|[1-9][0-9]*) ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;; *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;; @@ -4794,601 +4740,546 @@ $as_echo_n "checking version of $MAKE... " >&6; } $as_echo "$ac_prog_version" >&6; } fi if test $ac_verc_fail = yes; then - critic_missing="$critic_missing make" + critic_missing="$critic_missing python" fi +PYTHON="$PYTHON_PROG -B" -for ac_prog in gnumsgfmt gmsgfmt msgfmt -do - # Extract the first word of "$ac_prog", so it can be a program name with args. -set dummy $ac_prog; ac_word=$2 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_MSGFMT+:} false; then : + +test -n "$critic_missing" && as_fn_error $? " +*** These critical programs are missing or too old:$critic_missing +*** Check the INSTALL file for required versions." "$LINENO" 5 + +test -n "$aux_missing" && { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: +*** These auxiliary programs are missing or incompatible versions:$aux_missing +*** some features or tests will be disabled. +*** Check the INSTALL file for required versions." >&5 +$as_echo "$as_me: WARNING: +*** These auxiliary programs are missing or incompatible versions:$aux_missing +*** some features or tests will be disabled. +*** Check the INSTALL file for required versions." >&2;} + + +# Determine whether to use fpu or nofpu sysdeps directories. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for use of fpu sysdeps directories" >&5 +$as_echo_n "checking for use of fpu sysdeps directories... " >&6; } +if ${libc_cv_with_fp+:} false; then : $as_echo_n "(cached) " >&6 else - if test -n "$MSGFMT"; then - ac_cv_prog_MSGFMT="$MSGFMT" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_MSGFMT="$ac_prog" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - -fi + cat > conftest.c <&5 2>&5 ; then + libc_cv_with_fp=yes fi -MSGFMT=$ac_cv_prog_MSGFMT -if test -n "$MSGFMT"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MSGFMT" >&5 -$as_echo "$MSGFMT" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } +rm -f conftest* fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_with_fp" >&5 +$as_echo "$libc_cv_with_fp" >&6; } - test -n "$MSGFMT" && break -done - -if test -z "$MSGFMT"; then - ac_verc_fail=yes +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector" >&5 +$as_echo_n "checking for -fstack-protector... " >&6; } +if ${libc_cv_ssp+:} false; then : + $as_echo_n "(cached) " >&6 else - # Found it, now check the version. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $MSGFMT" >&5 -$as_echo_n "checking version of $MSGFMT... 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" >&6; } -if ${ac_cv_prog_MAKEINFO+:} false; then : +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-strong" >&5 +$as_echo_n "checking for -fstack-protector-strong... " >&6; } +if ${libc_cv_ssp_strong+:} false; then : $as_echo_n "(cached) " >&6 else - if test -n "$MAKEINFO"; then - ac_cv_prog_MAKEINFO="$MAKEINFO" # Let the user override the test. + if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-strong -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + libc_cv_ssp_strong=yes else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_MAKEINFO="$ac_prog" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS - + libc_cv_ssp_strong=no fi + fi -MAKEINFO=$ac_cv_prog_MAKEINFO -if test -n "$MAKEINFO"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $MAKEINFO" >&5 -$as_echo "$MAKEINFO" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_strong" >&5 +$as_echo "$libc_cv_ssp_strong" >&6; } + +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector-all" >&5 +$as_echo_n "checking for -fstack-protector-all... " >&6; } +if ${libc_cv_ssp_all+:} false; then : + $as_echo_n "(cached) " >&6 else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } + if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -fstack-protector-all -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + libc_cv_ssp_all=yes +else + libc_cv_ssp_all=no fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ssp_all" >&5 +$as_echo "$libc_cv_ssp_all" >&6; } - test -n "$MAKEINFO" && break -done +stack_protector= +no_stack_protector= +if test "$libc_cv_ssp" = yes; then + no_stack_protector="-fno-stack-protector -DSTACK_PROTECTOR_LEVEL=0" + $as_echo "#define HAVE_CC_NO_STACK_PROTECTOR 1" >>confdefs.h -if test -z "$MAKEINFO"; then - ac_verc_fail=yes -else - # Found it, now check the version. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $MAKEINFO" >&5 -$as_echo_n "checking version of $MAKEINFO... 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" >&6; } -if ${ac_cv_prog_SED+:} false; then : - $as_echo_n "(cached) " >&6 -else - if test -n "$SED"; then - ac_cv_prog_SED="$SED" # Let the user override the test. -else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_SED="$ac_prog" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 - fi -done - done -IFS=$as_save_IFS +if test "$enable_stack_protector" = yes && test "$libc_cv_ssp" = yes; then + stack_protector="-fstack-protector" + $as_echo "#define STACK_PROTECTOR_LEVEL 1" >>confdefs.h + +elif test "$enable_stack_protector" = all && test "$libc_cv_ssp_all" = yes; then + stack_protector="-fstack-protector-all" + $as_echo "#define STACK_PROTECTOR_LEVEL 2" >>confdefs.h + +elif test "$enable_stack_protector" = strong && test "$libc_cv_ssp_strong" = yes; then + stack_protector="-fstack-protector-strong" + $as_echo "#define STACK_PROTECTOR_LEVEL 3" >>confdefs.h -fi -fi -SED=$ac_cv_prog_SED -if test -n "$SED"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $SED" >&5 -$as_echo "$SED" >&6; } else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } + stack_protector="-fno-stack-protector" + $as_echo "#define STACK_PROTECTOR_LEVEL 0" >>confdefs.h + fi - test -n "$SED" && break -done -if test -z "$SED"; then - ac_verc_fail=yes + +if test -n "$stack_protector"; then + no_ssp=-fno-stack-protector else - # Found it, now check the version. - { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $SED" >&5 -$as_echo_n "checking version of $SED... 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"$LINENO" 5 + fi fi -for ac_prog in gawk -do - # Extract the first word of "$ac_prog", so it can be a program name with args. -set dummy $ac_prog; ac_word=$2 -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 -$as_echo_n "checking for $ac_word... " >&6; } -if ${ac_cv_prog_AWK+:} false; then : +# For the multi-arch option we need support in the assembler & linker. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler and linker STT_GNU_IFUNC support" >&5 +$as_echo_n "checking for assembler and linker STT_GNU_IFUNC support... " >&6; } +if ${libc_cv_ld_gnu_indirect_function+:} false; then : $as_echo_n "(cached) " >&6 else - if test -n "$AWK"; then - ac_cv_prog_AWK="$AWK" # Let the user override the test. + cat > conftest.S <&5 2>&5; then + # Do a link to see if the backend supports IFUNC relocs. + $READELF -r conftest 1>&5 + LC_ALL=C $READELF -Wr conftest | grep -q 'IRELATIVE\|R_SPARC_JMP_IREL' && { + libc_cv_ld_gnu_indirect_function=yes + } +fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_gnu_indirect_function" >&5 +$as_echo "$libc_cv_ld_gnu_indirect_function" >&6; } + +# Check if gcc supports attribute ifunc as it is used in libc_ifunc macro. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc attribute ifunc support" >&5 +$as_echo_n "checking for gcc attribute ifunc support... " >&6; } +if ${libc_cv_gcc_indirect_function+:} false; then : + $as_echo_n "(cached) " >&6 else -as_save_IFS=$IFS; IFS=$PATH_SEPARATOR -for as_dir in $PATH -do - IFS=$as_save_IFS - test -z "$as_dir" && as_dir=. - for ac_exec_ext in '' $ac_executable_extensions; do - if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then - ac_cv_prog_AWK="$ac_prog" - $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5 - break 2 + cat > conftest.c <&5 \ + 2>&5 ; then + if $READELF -s conftest.o | grep IFUNC >/dev/null 2>&5; then + libc_cv_gcc_indirect_function=yes fi -done - done -IFS=$as_save_IFS - fi +rm -f conftest* fi -AWK=$ac_cv_prog_AWK -if test -n "$AWK"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5 -$as_echo "$AWK" >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_indirect_function" >&5 +$as_echo "$libc_cv_gcc_indirect_function" >&6; } + +# Check if linker supports textrel relocation with ifunc (used on elf/tests). +# Note that it relies on libc_cv_ld_gnu_indirect_function test above. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the linker supports textrels along with ifunc" >&5 +$as_echo_n "checking whether the linker supports textrels along with ifunc... " >&6; } +if ${libc_cv_textrel_ifunc+:} false; then : + $as_echo_n "(cached) " >&6 else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } + cat > conftest.S <&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then + libc_cv_textrel_ifunc=yes + fi fi +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_textrel_ifunc" >&5 +$as_echo "$libc_cv_textrel_ifunc" >&6; } - test -n "$AWK" && break -done - -if test -z "$AWK"; then - ac_verc_fail=yes +# Check if CC supports attribute retain as it is used in attribute_used_retain macro. +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GNU attribute retain support" >&5 +$as_echo_n "checking for GNU attribute retain support... 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Disables multiarch build in this case. + if test x"$libc_cv_gcc_incompatible_alias" = xyes; then + { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: gcc emits a warning for alias between functions of incompatible types" >&5 +$as_echo "$as_me: WARNING: gcc emits a warning for alias between functions of incompatible types" >&2;} + if test x"$multi_arch" = xyes; then + as_fn_error $? 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"Operating system $os is not supported." "$LINENO" 5 fi -AUTOCONF=$ac_cv_prog_AUTOCONF -if test -n "$AUTOCONF"; then - { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AUTOCONF" >&5 -$as_echo "$AUTOCONF" >&6; } -else - { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 -$as_echo "no" >&6; } +if test -z "$machine_used" && test "$machine" != none; then + as_fn_error $? "The $machine is not supported." "$LINENO" 5 +fi +if test -z "$submachine_used" && test -n "$submachine"; then + as_fn_error $? "The $submachine subspecies of $host_cpu is not supported." "$LINENO" 5 fi - test -n "$AUTOCONF" && break -done -test -n "$AUTOCONF" || AUTOCONF="no" +# We have now validated the configuration. - case "x$AUTOCONF" in - xno|x|x:) AUTOCONF=no ;; - *) - { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works" >&5 -$as_echo_n "checking whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works... 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We prepend the + # implied names to the list and append the parent. We want implied + # directories to come before further directories inferred from the + # configuration components; this ensures that for sysv4, unix/common + # (implied by unix/sysv/sysv4) comes before unix/sysv (in ostry (here $*) + # after sysv4). + sysnames="`echo $Implies $* $Implies_before $parent $Implies_after`" + test -n "$sysnames" && set $sysnames +done -test -n "$critic_missing" && as_fn_error $? " -*** These critical programs are missing or too old:$critic_missing -*** Check the INSTALL file for required versions." "$LINENO" 5 +# Add the default directories. +default_sysnames="sysdeps/generic" +sysnames="$names $default_sysnames" -test -n "$aux_missing" && { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: -*** These auxiliary programs are missing or incompatible versions:$aux_missing -*** some features or tests will be disabled. -*** Check the INSTALL file for required versions." >&5 -$as_echo "$as_me: WARNING: -*** These auxiliary programs are missing or incompatible versions:$aux_missing -*** some features or tests will be disabled. -*** Check the INSTALL file for required versions." >&2;} +# The other names were emitted during the scan. +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $default_sysnames" >&5 +$as_echo "$default_sysnames" >&6; } # if using special system headers, find out the compiler's sekrit # header directory and add that to the list. NOTE: Only does the right @@ -5417,8 +5308,8 @@ fi # copy of those headers in Makerules. if test -n "$CXX"; then find_cxx_header () { - echo "#include <$1>" | $CXX -M -MP -x c++ - 2>/dev/null \ - | sed -n "\,$1:,{s/:\$//;p}" + echo "#include <$1>" | $CXX -H -fsyntax-only -x c++ - 2>&1 \ + | $AWK '$1 == "."{print $2}' } CXX_CSTDLIB_HEADER="$(find_cxx_header cstdlib)" CXX_CMATH_HEADER="$(find_cxx_header cmath)" @@ -5658,7 +5549,7 @@ if ${libc_cv_insert+:} false; then : $as_echo_n "(cached) " >&6 else cat > conftest.c < conftest.t <&5 -$as_echo_n "checking for -z combreloc... " >&6; } -if ${libc_cv_z_combreloc+:} false; then : - $as_echo_n "(cached) " >&6 -else - cat > conftest.c <&5 +$as_echo_n "checking for linker that supports -z execstack... " >&6; } +libc_linker_feature=no +cat > conftest.c <&5 (eval $ac_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then - if $READELF -S conftest.so | grep -E '.rela?.dyn' > /dev/null; then - libc_cv_z_combreloc=yes + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,execstack -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: -z execstack ignored" > /dev/null 2>&1; then + true else - libc_cv_z_combreloc=no + libc_linker_feature=yes fi -else - libc_cv_z_combreloc=no fi rm -f conftest* +if test $libc_linker_feature = yes; then + libc_cv_z_execstack=yes +else + libc_cv_z_execstack=no fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_combreloc" >&5 -$as_echo "$libc_cv_z_combreloc" >&6; } -if test "$libc_cv_z_combreloc" = yes; then - $as_echo "#define HAVE_Z_COMBRELOC 1" >>confdefs.h +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5 +$as_echo "$libc_linker_feature" >&6; } -fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z start-stop-gc" >&5 +$as_echo_n "checking for linker that supports -z start-stop-gc... " >&6; } +libc_linker_feature=no +cat > conftest.c <&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } +then + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,start-stop-gc -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: -z start-stop-gc ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes + fi +fi +rm -f conftest* +if test $libc_linker_feature = yes; then + libc_cv_z_start_stop_gc=yes +else + libc_cv_z_start_stop_gc=no +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5 +$as_echo "$libc_linker_feature" >&6; } +config_vars="$config_vars +have-z-start-stop-gc = $libc_cv_z_start_stop_gc" -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z execstack" >&5 -$as_echo_n "checking for linker that supports -z execstack... " >&6; } +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --depaudit" >&5 +$as_echo_n "checking for linker that supports --depaudit... " >&6; } libc_linker_feature=no -if test x"$gnu_ld" = x"yes"; then - libc_linker_check=`$LD -v --help 2>/dev/null | grep "\-z execstack"` - if test -n "$libc_linker_check"; then - cat > conftest.c < conftest.c <&5 (eval $ac_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } - then - libc_linker_feature=yes - fi - rm -f conftest* +then + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--depaudit,x -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: --depaudit ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes fi fi +rm -f conftest* if test $libc_linker_feature = yes; then - libc_cv_z_execstack=yes + libc_cv_depaudit=yes else - libc_cv_z_execstack=no + libc_cv_depaudit=no fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5 $as_echo "$libc_linker_feature" >&6; } +config_vars="$config_vars +have-depaudit = $libc_cv_depaudit" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z pack-relative-relocs" >&5 +$as_echo_n "checking for linker that supports -z pack-relative-relocs... " >&6; } +libc_linker_feature=no +cat > conftest.c <&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; } +then + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,pack-relative-relocs -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: -z pack-relative-relocs ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes + fi +fi +rm -f conftest* +if test $libc_linker_feature = yes; then + libc_cv_dt_relr=yes +else + libc_cv_dt_relr=no +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5 +$as_echo "$libc_linker_feature" >&6; } +config_vars="$config_vars +have-dt-relr = $libc_cv_dt_relr" { $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-dynamic-linker" >&5 $as_echo_n "checking for linker that supports --no-dynamic-linker... " >&6; } libc_linker_feature=no -if test x"$gnu_ld" = x"yes"; then - libc_linker_check=`$LD -v --help 2>/dev/null | grep "\--no-dynamic-linker"` - if test -n "$libc_linker_check"; then - cat > conftest.c < conftest.c <&5 (eval $ac_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } - then - libc_linker_feature=yes - fi - rm -f conftest* +then + if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-dynamic-linker -nostdlib \ + -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \ + | grep "warning: --no-dynamic-linker ignored" > /dev/null 2>&1; then + true + else + libc_linker_feature=yes fi fi +rm -f conftest* if test $libc_linker_feature = yes; then libc_cv_no_dynamic_linker=yes else @@ -5951,96 +5911,6 @@ $as_echo "$libc_cv_fpie" >&6; } -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --hash-style option" >&5 -$as_echo_n "checking for --hash-style option... " >&6; } -if ${libc_cv_hashstyle+:} false; then : - $as_echo_n "(cached) " >&6 -else - cat > conftest.c <&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; } -then - libc_cv_hashstyle=yes -else - libc_cv_hashstyle=no -fi -rm -f conftest* -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_hashstyle" >&5 -$as_echo "$libc_cv_hashstyle" >&6; } - - -# The linker's default -shared behavior is good enough if it -# does these things that our custom linker scripts ensure that -# all allocated NOTE sections come first. -if test "$use_default_link" = default; then - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sufficient default -shared layout" >&5 -$as_echo_n "checking for sufficient default -shared layout... " >&6; } -if ${libc_cv_use_default_link+:} false; then : - $as_echo_n "(cached) " >&6 -else - libc_cv_use_default_link=no - cat > conftest.s <<\EOF - .section .note.a,"a",%note - .balign 4 - .long 4,4,9 - .string "GNU" - .string "foo" - .section .note.b,"a",%note - .balign 4 - .long 4,4,9 - .string "GNU" - .string "bar" -EOF - if { ac_try=' ${CC-cc} $ASFLAGS -shared -o conftest.so conftest.s 1>&5' - { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 - (eval $ac_try) 2>&5 - ac_status=$? - $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 - test $ac_status = 0; }; } && - ac_try=`$READELF -S conftest.so | sed -n \ - '${x;p;} - s/^ *\[ *[1-9][0-9]*\] *\([^ ][^ ]*\) *\([^ ][^ ]*\) .*$/\2 \1/ - t a - b - : a - H'` - then - libc_seen_a=no libc_seen_b=no - set -- $ac_try - while test $# -ge 2 -a "$1" = NOTE; do - case "$2" in - .note.a) libc_seen_a=yes ;; - .note.b) libc_seen_b=yes ;; - esac - shift 2 - done - case "$libc_seen_a$libc_seen_b" in - yesyes) - libc_cv_use_default_link=yes - ;; - *) - echo >&5 "\ -$libc_seen_a$libc_seen_b from: -$ac_try" - ;; - esac - fi - rm -f conftest* -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_use_default_link" >&5 -$as_echo "$libc_cv_use_default_link" >&6; } - use_default_link=$libc_cv_use_default_link -fi - { $as_echo "$as_me:${as_lineno-$LINENO}: checking for GLOB_DAT reloc" >&5 $as_echo_n "checking for GLOB_DAT reloc... " >&6; } if ${libc_cv_has_glob_dat+:} false; then : @@ -6074,86 +5944,66 @@ fi $as_echo "$libc_cv_has_glob_dat" >&6; } -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker output format" >&5 -$as_echo_n "checking linker output format... " >&6; } -if ${libc_cv_output_format+:} false; then : - $as_echo_n "(cached) " >&6 -else - if libc_cv_output_format=` -${CC-cc} -nostartfiles -nostdlib $no_ssp -Wl,--print-output-format 2>&5` -then - : -else - libc_cv_output_format= -fi -test -n "$libc_cv_output_format" || libc_cv_output_format=unknown -fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_output_format" >&5 -$as_echo "$libc_cv_output_format" >&6; } - - -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fno-toplevel-reorder -fno-section-anchors" >&5 -$as_echo_n "checking for -fno-toplevel-reorder -fno-section-anchors... " >&6; } -if ${libc_cv_fno_toplevel_reorder+:} false; then : +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mtls-dialect=gnu2" >&5 +$as_echo_n "checking for -mtls-dialect=gnu2... " >&6; } +if ${libc_cv_mtls_dialect_gnu2+:} false; then : $as_echo_n "(cached) " >&6 else cat > conftest.c <&5 (eval $ac_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then - libc_cv_fno_toplevel_reorder=yes + libc_cv_mtls_dialect_gnu2=yes else - libc_cv_fno_toplevel_reorder=no + libc_cv_mtls_dialect_gnu2=no fi rm -f conftest* fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_fno_toplevel_reorder" >&5 -$as_echo "$libc_cv_fno_toplevel_reorder" >&6; } -if test $libc_cv_fno_toplevel_reorder = yes; then - fno_unit_at_a_time="-fno-toplevel-reorder -fno-section-anchors" -else - fno_unit_at_a_time=-fno-unit-at-a-time -fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mtls_dialect_gnu2" >&5 +$as_echo "$libc_cv_mtls_dialect_gnu2" >&6; } +config_vars="$config_vars +have-mtls-dialect-gnu2 = $libc_cv_mtls_dialect_gnu2" -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -mtls-dialect=gnu2" >&5 -$as_echo_n "checking for -mtls-dialect=gnu2... " >&6; } -if ${libc_cv_mtls_dialect_gnu2+:} false; then : +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if -Wno-ignored-attributes is required for aliases" >&5 +$as_echo_n "checking if -Wno-ignored-attributes is required for aliases... " >&6; } +if ${libc_cv_wno_ignored_attributes+:} false; then : $as_echo_n "(cached) " >&6 else cat > conftest.c <&5 (eval $ac_try) 2>&5 ac_status=$? $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; }; } then - libc_cv_mtls_dialect_gnu2=yes -else - libc_cv_mtls_dialect_gnu2=no + libc_cv_wno_ignored_attributes="-Wno-ignored-attributes" fi rm -f conftest* fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mtls_dialect_gnu2" >&5 -$as_echo "$libc_cv_mtls_dialect_gnu2" >&6; } - +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_wno_ignored_attributes" >&5 +$as_echo "$libc_cv_wno_ignored_attributes" >&6; } config_vars="$config_vars -have-mtls-dialect-gnu2 = $libc_cv_mtls_dialect_gnu2" +config-cflags-wno-ignored-attributes = $libc_cv_wno_ignored_attributes" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc puts quotes around section names" >&5 $as_echo_n "checking whether cc puts quotes around section names... " >&6; } @@ -6294,6 +6144,28 @@ $as_echo "$libc_cv_cc_submachine" >&6; } fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option that -fsignaling-nans" >&5 +$as_echo_n "checking for compiler option that -fsignaling-nans... " >&6; } +if ${libc_cv_cc_signaling_nans+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} -Werror -fsignaling-nans -xc /dev/null -S -o /dev/null' + { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5 + (eval $ac_try) 2>&5 + ac_status=$? + $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 + test $ac_status = 0; }; }; then : + libc_cv_cc_signaling_nans=-fsignaling-nans +else + libc_cv_cc_signaling_nans= +fi + +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_signaling_nans" >&5 +$as_echo "$libc_cv_cc_signaling_nans" >&6; } +config_vars="$config_vars +config-cflags-signaling-nans = $libc_cv_cc_signaling_nans" + { $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC accepts -fno-tree-loop-distribute-patterns with \ __attribute__ ((__optimize__))" >&5 $as_echo_n "checking if $CC accepts -fno-tree-loop-distribute-patterns with \ @@ -6558,56 +6430,32 @@ if test $libc_cv_predef_fortify_source = yes; then fi -# Some linkers on some architectures support __ehdr_start but with -# bugs. Make sure usage of it does not create relocations in the -# output (as the linker should resolve them all for us). -{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the linker provides working __ehdr_start" >&5 -$as_echo_n "checking whether the linker provides working __ehdr_start... " >&6; } -if ${libc_cv_ehdr_start+:} false; then : +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the assembler requires one version per symbol" >&5 +$as_echo_n "checking whether the assembler requires one version per symbol... " >&6; } +if ${libc_cv_symver_needs_alias+:} false; then : $as_echo_n "(cached) " >&6 else - -old_CFLAGS="$CFLAGS" -old_LDFLAGS="$LDFLAGS" -old_LIBS="$LIBS" -CFLAGS="$CFLAGS -fPIC" -LDFLAGS="$LDFLAGS -nostdlib -nostartfiles -shared $no_ssp" -LIBS= -cat confdefs.h - <<_ACEOF >conftest.$ac_ext -/* end confdefs.h. */ - -typedef struct { - char foo; - long val; -} Ehdr; -extern const Ehdr __ehdr_start __attribute__ ((visibility ("hidden"))); -long ehdr (void) { return __ehdr_start.val; } - -_ACEOF -if ac_fn_c_try_link "$LINENO"; then : - if $READELF -r conftest | grep -F __ehdr_start >/dev/null; then - libc_cv_ehdr_start=broken - else - libc_cv_ehdr_start=yes - fi -else - libc_cv_ehdr_start=no -fi -rm -f core conftest.err conftest.$ac_objext \ - conftest$ac_exeext conftest.$ac_ext -CFLAGS="$old_CFLAGS" -LDFLAGS="$old_LDFLAGS" -LIBS="$old_LIBS" + cat > conftest.s <&5; then + libc_cv_symver_needs_alias=no + else + libc_cv_symver_needs_alias=yes + fi + rm conftest.* fi -{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ehdr_start" >&5 -$as_echo "$libc_cv_ehdr_start" >&6; } -if test "$libc_cv_ehdr_start" = yes; then - $as_echo "#define HAVE_EHDR_START 1" >>confdefs.h +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_symver_needs_alias" >&5 +$as_echo "$libc_cv_symver_needs_alias" >&6; } +if test "$libc_cv_symver_needs_alias" = yes; then + $as_echo "#define SYMVER_NEEDS_ALIAS 1" >>confdefs.h -elif test "$libc_cv_ehdr_start" = broken; then - { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: linker is broken -- you should upgrade" >&5 -$as_echo "$as_me: WARNING: linker is broken -- you should upgrade" >&2;} fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_trap with no external dependencies" >&5 @@ -6713,6 +6561,7 @@ libc_cv_sysconfdir=$sysconfdir libc_cv_localstatedir=$localstatedir libc_cv_gcc_unwind_find_fde=no libc_cv_idn=no +pthread_in_libc=yes # Iterate over all the sysdep directories we will use, running their # configure fragments. @@ -6756,6 +6605,8 @@ if test x"$libc_cv_gcc_indirect_function" = xyes; then $as_echo "#define HAVE_GCC_IFUNC 1" >>confdefs.h fi +config_vars="$config_vars +have-gcc-ifunc = $libc_cv_gcc_indirect_function" # This is far from the AC_ARG_ENABLE that sets it so that a sysdeps # configure fragment can override the value to prevent this AC_DEFINE. @@ -6803,7 +6654,8 @@ rm -f conftest.* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pic_default" >&5 $as_echo "$libc_cv_pic_default" >&6; } - +config_vars="$config_vars +build-pic-default = $libc_cv_pic_default" { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fPIE is default" >&5 $as_echo_n "checking whether -fPIE is default... " >&6; } @@ -6823,27 +6675,74 @@ rm -f conftest.* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_pie_default" >&5 $as_echo "$libc_cv_cc_pie_default" >&6; } -libc_cv_pie_default=$libc_cv_cc_pie_default - - +config_vars="$config_vars +cc-pie-default = $libc_cv_cc_pie_default" -# Set the `multidir' variable by grabbing the variable from the compiler. -# We do it once and save the result in a generated makefile. -libc_cv_multidir=`${CC-cc} $CFLAGS $CPPFLAGS -print-multi-directory` +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can build programs as PIE" >&5 +$as_echo_n "checking if we can build programs as PIE... " >&6; } +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifdef PIE_UNSUPPORTED +# error PIE is not supported +#endif +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_pie_supported=yes +else + libc_cv_pie_supported=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pie_supported" >&5 +$as_echo "$libc_cv_pie_supported" >&6; } +# Disable build-pie-default if target does not support it or glibc is +# configured with --disable-default-pie. +if test "x$default_pie" = xno; then + build_pie_default=no +else + build_pie_default=$libc_cv_pie_supported +fi +config_vars="$config_vars +build-pie-default = $build_pie_default" +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if we can build static PIE programs" >&5 +$as_echo_n "checking if we can build static PIE programs... " >&6; } +libc_cv_static_pie_supported=$libc_cv_pie_supported +if test "x$libc_cv_pie_supported" != xno \ + -a "$libc_cv_no_dynamic_linker" = yes; then + cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +#ifndef SUPPORT_STATIC_PIE +# error static PIE is not supported +#endif +_ACEOF +if ac_fn_c_try_compile "$LINENO"; then : + libc_cv_static_pie_supported=yes +else + libc_cv_static_pie_supported=no +fi +rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie_supported" >&5 +$as_echo "$libc_cv_static_pie_supported" >&6; } -if test "$static_pie" = yes; then - # The linker must support --no-dynamic-linker. - if test "$libc_cv_no_dynamic_linker" != yes; then - as_fn_error $? "linker support for --no-dynamic-linker needed" "$LINENO" 5 - fi - # Default to PIE. - libc_cv_pie_default=yes +# Enable static-pie only if it is available and glibc isn't configured +# with --disable-default-pie. +if test "x$default_pie" = xno; then + libc_cv_static_pie=no +else + libc_cv_static_pie=$libc_cv_static_pie_supported +fi +if test "$libc_cv_static_pie" = "yes"; then $as_echo "#define ENABLE_STATIC_PIE 1" >>confdefs.h fi config_vars="$config_vars -enable-static-pie = $static_pie" +enable-static-pie = $libc_cv_static_pie" + +# Set the `multidir' variable by grabbing the variable from the compiler. +# We do it once and save the result in a generated makefile. +libc_cv_multidir=`${CC-cc} $CFLAGS $CPPFLAGS -print-multi-directory` + @@ -6857,6 +6756,12 @@ RELEASE=`sed -n -e 's/^#define RELEASE "\([^"]*\)"/\1/p' < $srcdir/version.h` +if test "$pthread_in_libc" = yes; then + $as_echo "#define PTHREAD_IN_LIBC 1" >>confdefs.h + +fi + + ac_config_files="$ac_config_files config.make Makefile" ac_config_commands="$ac_config_commands default"