X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=configure.ac;h=3f0c58b9e9c5d377568103d75976934835b04e8a;hb=HEAD;hp=f10191fa8d05b6ad5199b1ec338fcf0791cb88f5;hpb=6449370e9e07939712bbe0ebfad38ad78ab69097;p=platform%2Fupstream%2Fcoreutils.git diff --git a/configure.ac b/configure.ac index f10191f..3f0c58b 100644 --- a/configure.ac +++ b/configure.ac @@ -1,7 +1,7 @@ # -*- autoconf -*- # Process this file with autoconf to produce a configure script. -# Copyright (C) 1991, 1993-2009 Free Software Foundation, Inc. +# Copyright (C) 1991-2013 Free Software Foundation, Inc. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -18,21 +18,37 @@ dnl Written by Jim Meyering. -AC_PREREQ([2.61]) +AC_PREREQ([2.64]) # Make inter-release version strings look like, e.g., v6.9-219-g58ddd, which # indicates that it is built from the 219th delta (in _some_ repository) # following the v6.9 tag, and that 58ddd is a prefix of the commit SHA1. AC_INIT([GNU coreutils], - m4_esyscmd([build-aux/git-version-gen .tarball-version]), - [bug-coreutils@gnu.org]) + m4_esyscmd([build-aux/git-version-gen .tarball-version]), + [bug-coreutils@gnu.org]) AC_CONFIG_SRCDIR([src/ls.c]) AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_HEADERS([lib/config.h:lib/config.hin]) -AM_INIT_AUTOMAKE([1.10a dist-xz]) +AM_INIT_AUTOMAKE([1.11.2 no-dist-gzip dist-xz color-tests parallel-tests + subdir-objects]) +AM_SILENT_RULES([yes]) # make --enable-silent-rules the default. + +dnl POSIXCHECK is worthwhile for maintainers, but adds several seconds +dnl (more than 10% execution time) to ./configure, with no benefit for +dnl most users. Using it to look for bugs requires: +dnl GNULIB_POSIXCHECK=1 autoreconf -f +dnl ./configure +dnl make +dnl make -C src clean +dnl make CFLAGS=-DGNULIB_POSIXCHECK=1 +dnl FIXME: Once we figure out how to avoid false positives, we should +dnl have 'make my-distcheck' in dist-check.mk exercise this. +m4_syscmd([test "${GNULIB_POSIXCHECK+set}" = set]) +m4_if(m4_sysval, [0], [], [dnl +gl_ASSERT_NO_GNULIB_POSIXCHECK]) AC_PROG_CC_STDC AM_PROG_CC_C_O @@ -44,24 +60,58 @@ gl_EARLY gl_INIT coreutils_MACROS +# The test suite needs to know if we have a working perl. +# FIXME: this is suboptimal. Ideally, we would be able to call gl_PERL +# with an ACTION-IF-NOT-FOUND argument ... +cu_have_perl=yes +case $PERL in *"/missing "*) cu_have_perl=no;; esac +AM_CONDITIONAL([HAVE_PERL], [test $cu_have_perl = yes]) + +# gl_GCC_VERSION_IFELSE([major], [minor], [run-if-found], [run-if-not-found]) +# ------------------------------------------------ +# If $CPP is gcc-MAJOR.MINOR or newer, then run RUN-IF-FOUND. +# Otherwise, run RUN-IF-NOT-FOUND. +AC_DEFUN([gl_GCC_VERSION_IFELSE], + [AC_PREPROC_IFELSE( + [AC_LANG_PROGRAM( + [[ +#if ($1) < __GNUC__ || (($1) == __GNUC__ && ($2) <= __GNUC_MINOR__) +/* ok */ +#else +# error "your version of gcc is older than $1.$2" +#endif + ]]), + ], [$3], [$4]) + ] +) + AC_ARG_ENABLE([gcc-warnings], [AS_HELP_STRING([--enable-gcc-warnings], - [turn on lots of GCC warnings (not recommended)])], + [turn on many GCC warnings (for developers; best with GNU make)])], [case $enableval in yes|no) ;; *) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;; esac gl_gcc_warnings=$enableval], - [gl_gcc_warnings=no] + [ + # GCC provides fine-grained control over diagnostics which + # is used in gnulib for example to suppress warnings from + # certain sections of code. So if this is available and + # we're running from a git repo, then auto enable the warnings. + gl_gcc_warnings=no + gl_GCC_VERSION_IFELSE([4], [6], + [test -d "$srcdir"/.git && gl_gcc_warnings=yes])] ) if test "$gl_gcc_warnings" = yes; then gl_WARN_ADD([-Werror], [WERROR_CFLAGS]) AC_SUBST([WERROR_CFLAGS]) - # Add many warnings, except some... + nw= + # This, $nw, is the list of warnings we disable. nw="$nw -Wdeclaration-after-statement" # too useful to forbid nw="$nw -Waggregate-return" # anachronistic + nw="$nw -Wlong-long" # C90 is anachronistic (lib/gethrxtime.h) nw="$nw -Wc++-compat" # We don't care about C++ compilers nw="$nw -Wundef" # Warns on '#if GNULIB_FOO' etc in gnulib nw="$nw -Wtraditional" # Warns on #elif which we use often @@ -79,42 +129,88 @@ if test "$gl_gcc_warnings" = yes; then nw="$nw -Wnested-externs" # use of XARGMATCH/verify_function__ nw="$nw -Wswitch-enum" # Too many warnings for now nw="$nw -Wswitch-default" # Too many warnings for now + nw="$nw -Wstack-protector" # not worth working around # things I might fix soon: nw="$nw -Wfloat-equal" # sort.c, seq.c nw="$nw -Wmissing-format-attribute" # copy.c nw="$nw -Wunsafe-loop-optimizations" # a few src/*.c nw="$nw -Winline" # system.h's readdir_ignoring_dot_and_dotdot - nw="$nw -Wstrict-overflow" # expr.c, pr.c, tr.c, factor.c - # ?? -Wstrict-overflow + nw="$nw -Wsuggest-attribute=format" # warns about copy.c and factor.c + + # Using -Wstrict-overflow is a pain, but the alternative is worse. + # For an example, see the code that provoked this report: + # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33498 + # Code like that still infloops with gcc-4.6.0 and -O2. Scary indeed. gl_MANYWARN_ALL_GCC([ws]) gl_MANYWARN_COMPLEMENT([ws], [$ws], [$nw]) for w in $ws; do gl_WARN_ADD([$w]) done - gl_WARN_ADD([-Wno-missing-field-initializers]) # We need this one gl_WARN_ADD([-Wno-sign-compare]) # Too many warnings for now - gl_WARN_ADD([-Wno-pointer-sign]) # Too many warnings for now gl_WARN_ADD([-Wno-unused-parameter]) # Too many warnings for now + gl_WARN_ADD([-Wsuggest-attribute=const]) + gl_WARN_ADD([-Wsuggest-attribute=noreturn]) + gl_WARN_ADD([-Wno-format-nonliteral]) + + # Enable this warning only with gcc-4.7 and newer. With 4.6.2 20111027, + # it suggests test.c's advance function may be pure, even though it + # increments a global variable. Oops. + # Normally we'd write code to test for the precise failure, but that + # requires a relatively large input to make gcc exhibit the failure. + gl_GCC_VERSION_IFELSE([4], [7], [gl_WARN_ADD([-Wsuggest-attribute=pure])]) + + # In spite of excluding -Wlogical-op above, it is enabled, as of + # gcc 4.5.0 20090517, and it provokes warnings in cat.c, dd.c, truncate.c + gl_WARN_ADD([-Wno-logical-op]) + gl_WARN_ADD([-fdiagnostics-show-option]) + gl_WARN_ADD([-funit-at-a-time]) AC_SUBST([WARN_CFLAGS]) AC_DEFINE([lint], [1], [Define to 1 if the compiler is checking for lint.]) - AC_DEFINE([_FORTIFY_SOURCE], [2], - [enable compile-time and run-time bounds-checking, and some warnings]) + AH_VERBATIM([FORTIFY_SOURCE], + [/* Enable compile-time and run-time bounds-checking, and some warnings, + without upsetting glibc 2.15+. */ + #if !defined _FORTIFY_SOURCE && defined __OPTIMIZE__ && __OPTIMIZE__ + # define _FORTIFY_SOURCE 2 + #endif + ]) AC_DEFINE([GNULIB_PORTCHECK], [1], [enable some gnulib portability checks]) + + # We use a slightly smaller set of warning options for lib/. + # Remove the following and save the result in GNULIB_WARN_CFLAGS. + nw= + nw="$nw -Wstrict-overflow" + nw="$nw -Wuninitialized" + nw="$nw -Wunused-macros" + nw="$nw -Wmissing-prototypes" + nw="$nw -Wold-style-definition" + # FIXME: it may be easy to remove this, since it affects only one file: + # the snprintf call at ftoastr.c:132. + nw="$nw -Wdouble-promotion" + gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw]) + AC_SUBST([GNULIB_WARN_CFLAGS]) + + # For gnulib-tests, the set is slightly smaller still. + nw= + nw="$nw -Wstrict-prototypes" + # It's not worth being this picky about test programs. + nw="$nw -Wsuggest-attribute=const" + nw="$nw -Wsuggest-attribute=pure" + gl_MANYWARN_COMPLEMENT([GNULIB_TEST_WARN_CFLAGS], + [$GNULIB_WARN_CFLAGS], [$nw]) + AC_SUBST([GNULIB_TEST_WARN_CFLAGS]) fi AC_FUNC_FORK optional_bin_progs= -AC_CHECK_FUNCS([uname], - gl_ADD_PROG([optional_bin_progs], [uname])) AC_CHECK_FUNCS([chroot], - gl_ADD_PROG([optional_bin_progs], [chroot])) + gl_ADD_PROG([optional_bin_progs], [chroot])) AC_CHECK_FUNCS([gethostid], - gl_ADD_PROG([optional_bin_progs], [hostid])) + gl_ADD_PROG([optional_bin_progs], [hostid])) gl_WINSIZE_IN_PTEM @@ -138,27 +234,27 @@ int main() time_t now = time ((time_t *) 0); int hour_GMT0, hour_unset; if (putenv ("TZ=GMT0") != 0) - exit (1); + return 1; hour_GMT0 = localtime (&now)->tm_hour; unset_TZ (); hour_unset = localtime (&now)->tm_hour; if (putenv ("TZ=PST8") != 0) - exit (1); + return 1; if (localtime (&now)->tm_hour == hour_GMT0) - exit (1); + return 1; unset_TZ (); if (localtime (&now)->tm_hour != hour_unset) - exit (1); - exit (0); + return 1; + return 0; }]])], [utils_cv_localtime_cache=no], [utils_cv_localtime_cache=yes], [# If we have tzset, assume the worst when cross-compiling. utils_cv_localtime_cache=yes]) else - # If we lack tzset, report that localtime does not cache TZ, - # since we can't invalidate the cache if we don't have tzset. - utils_cv_localtime_cache=no + # If we lack tzset, report that localtime does not cache TZ, + # since we can't invalidate the cache if we don't have tzset. + utils_cv_localtime_cache=no fi])dnl AC_MSG_RESULT([$utils_cv_localtime_cache]) if test $utils_cv_localtime_cache = yes; then @@ -185,7 +281,7 @@ AC_CACHE_CHECK([for 3-argument setpriority function], [AC_LINK_IFELSE( [AC_LANG_PROGRAM( [[#include - #include + #include ]], [[setpriority (0, 0, 0);]])], [utils_cv_func_setpriority=yes], @@ -305,7 +401,6 @@ AC_CHECK_DECLS([strsignal, sys_siglist, _sys_siglist, __sys_siglist], , , [AC_INCLUDES_DEFAULT #include ]) -cu_LIB_CHECK cu_GMP # Build df only if there's a point to it. @@ -313,103 +408,84 @@ if test $gl_cv_list_mounted_fs = yes && test $gl_cv_fs_space = yes; then gl_ADD_PROG([optional_bin_progs], [df]) fi +# Limit stdbuf to ELF systems with GCC +AC_MSG_CHECKING([whether this is an ELF system]) +AC_EGREP_CPP([yes], [#if __ELF__ +yes +#endif], [elf_sys=yes], [elf_sys=no]) +AC_MSG_RESULT([$elf_sys]) +if test "$elf_sys" = "yes" && \ + test "$GCC" = "yes"; then + gl_ADD_PROG([optional_bin_progs], [stdbuf]) +fi + ############################################################################ -mk="$srcdir/src/Makefile.am" -# Extract all literal names from the definition of $(EXTRA_PROGRAMS) -# in $mk but don't expand the variable references. -# Append each literal name to $optional_bin_progs. -v=EXTRA_PROGRAMS -for gl_i in `sed -n '/^'$v' =/,/[[^\]]$/p' $mk \ - | sed 's/^ *//;/^\$.*/d;/^'$v' =/d' \ - | tr -s '\\015\\012\\\\' ' '`; do - gl_ADD_PROG([optional_bin_progs], $gl_i) -done - -# As above, extract literal names from the definition of $(no_install__progs) -# in $mk but don't expand the variable references. -v=no_install__progs -t=`sed -n '/^'$v' =/,/[[^\]]$/p' $mk \ - | sed 's/^ *//;/^\$.*/d;/^'$v' =/d' \ - | tr -s '\\015\\012\\\\' ' '` -# Remove any trailing space. -no_install_progs_default=`echo "$t"|sed 's/ $//'` - -# Unfortunately, due to the way autoconf's AS_HELP_STRING works, the list -# of default-not-installed programs, "arch hostname su", must appear in two -# places: in this file below, and in $mk. Using "$no_install_progs_default" -# below cannot work. And we can't substitute the names into $mk because -# automake needs the literals, too. -# The compromise is to ensure that the space-separated list extracted -# above matches the literal 2nd argument below. -c="$srcdir/configure.ac" -re='^g''l_INCLUDE_EXCLUDE_PROG(.* [\[\(.*\)\]])' -t=`sed -n '/'"$re"'/{s/'"$re"'/\1/;s/,/ /gp -}' $c` -case $t in - $no_install_progs_default) ;; - *) AC_MSG_ERROR([[internal error: g'l_INCLUDE_EXCLUDE_PROG's 2nd arg, $t, - does not match the list of default-not-installed programs - ($no_install_progs_default) also recorded in $mk]], - 1) ;; -esac -# Given the name of a variable containing a space-separated list of -# install-by-default programs and the actual list do-not-install-by-default -# programs, modify the former variable to reflect any "do-install" and -# "don't-install" requests. -# I.e., add any program name specified via --enable-install-program=..., and -# remove any program name specified via --enable-no-install-program=... -# Note how the second argument below is a literal, with "," separators. -# That is required due to the way the macro works, and since the -# corresponding ./configure option argument is comma-separated on input. -gl_INCLUDE_EXCLUDE_PROG([optional_bin_progs], [arch,hostname,su]) - -# Set INSTALL_SU if su installation has been requested via -# --enable-install-program=su. -AC_SUBST([INSTALL_SU]) +dnl Autogenerated by the 'gen-lists-of-programs.sh' auxiliary script. +dnl Issue proper calls to the macros gl_INCLUDE_EXCLUDE_PROG and +dnl gl_ADD_PROG (updating $optional_bin_progs), and generate the list +dnl of coreutils programs to be built only upon explicit user request, +dnl saving that list in the $no_install_progs_default shell variable. +m4_include([m4/cu-progs.m4]) + +# Now that we know which programs will actually be built, determine +# which optional helper progs should be compiled. case " $optional_bin_progs " in - *' su '*) INSTALL_SU=yes ;; - *) INSTALL_SU=no ;; + *' stdbuf '*) pkglibexec_PROGRAMS='src/libstdbuf.so';; + *) pkglibexec_PROGRAMS='';; esac -MAN=`echo "$optional_bin_progs "|sed 's/ /.1 /g;s/ $//'|tr -d '\\015\\012'` - -# Change ginstall.1 to "install.h" in $MAN. -MAN=`for m in $MAN; do test $m = ginstall.1 && m=install.1; echo $m; done \ - | tr '\015\012' ' '; echo` - -# Remove [.1, since writing a portable rule for it in man/Makefile.am -# is not practical. The sed LHS below uses the autoconf quadrigraph -# representing '['. -MAN=`echo "$MAN"|sed 's/\@<:@\.1//'` - -OPTIONAL_BIN_PROGS=`echo "$optional_bin_progs "|sed 's/ /\$(EXEEXT) /g;s/ $//'` -AC_SUBST([OPTIONAL_BIN_PROGS]) -NO_INSTALL_PROGS_DEFAULT=$no_install_progs_default -AC_SUBST([NO_INSTALL_PROGS_DEFAULT]) +man1_MANS=` + for p in $optional_bin_progs; do + # Change "ginstall.1" to "install.1". + test $p = ginstall && p=install + # Ignore the "[" program, since writing a portable make rule to + # generate its manpage is not practical. + dnl Use the autoconf-provided quadrigraph to represent "[", + dnl otherwise we will incur in dreadful quoting issues. + test x$p = x'@<:@' && continue + echo "man/$p.1" + done` + +# Not installed by "make install", but must be built when creating +# a distribution tarball. +EXTRA_MANS=`for p in $no_install_progs_default; do echo man/$p.1; done` + +# The programs built and installed by "make && make install". +# Since this is AC_SUBST'd, Automake won't be able to perform rewrite +# with $(EXEEXT) appending on it, so we have to do it ourselves -- in +# this case, only for $(bin_PROGRAMS). +bin_PROGRAMS=` + for p in $optional_bin_progs; do echo src/"$p"'$(EXEEXT)'; done` + +# Normalize whitespace. +man1_MANS=`echo $man1_MANS` +EXTRA_MANS=`echo $EXTRA_MANS` +bin_PROGRAMS=`echo $bin_PROGRAMS` +pkglibexec_PROGS=`echo $pkglibexec_PROGRAMS` + +AC_SUBST([bin_PROGRAMS]) AM_SUBST_NOTMAKE([bin_PROGRAMS]) +AC_SUBST([pkglibexec_PROGRAMS]) AM_SUBST_NOTMAKE([pkglibexec_PROGRAMS]) +AC_SUBST([man1_MANS]) AM_SUBST_NOTMAKE([man1_MANS]) +AC_SUBST([EXTRA_MANS]) AM_SUBST_NOTMAKE([EXTRA_MANS]) + +AC_SUBST([built_programs], [$optional_bin_progs]) AM_CONDITIONAL([CROSS_COMPILING], [test "$cross_compiling" = yes]) -# Arrange to rerun configure whenever the file, src/Makefile.am, -# containing the list of program names changes. -CONFIG_STATUS_DEPENDENCIES='$(top_srcdir)/src/Makefile.am' -AC_SUBST([CONFIG_STATUS_DEPENDENCIES]) ############################################################################ +# As long as "grep 'PRI[diouxX]' po/*.pot" reports matches in +# translatable strings, we must use need-formatstring-macros here. AM_GNU_GETTEXT([external], [need-formatstring-macros]) -AM_GNU_GETTEXT_VERSION([0.15]) +AM_GNU_GETTEXT_VERSION([0.18.1]) # For a test of uniq: it uses the $LOCALE_FR envvar. gt_LOCALE_FR AC_CONFIG_FILES( Makefile - doc/Makefile - lib/Makefile - man/Makefile po/Makefile.in - src/Makefile - tests/Makefile gnulib-tests/Makefile ) AC_OUTPUT