# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
-# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
-# Free Software Foundation, Inc.
+# 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
+# 2014, 2015, 2016 Free Software Foundation, Inc.
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
m4_include([ltsugar.m4])
m4_include([ltversion.m4])
m4_include([lt~obsolete.m4])
-m4_include([config/cloog.m4])
+m4_include([config/isl.m4])
AC_INIT(move-if-change)
AC_PREREQ(2.64)
# these library is used by various programs built for the build
# environment
#
-build_libs="build-libiberty"
+build_libs="build-libiberty build-libcpp"
# these tools are built for the build environment
-build_tools="build-texinfo build-byacc build-flex build-bison build-m4 build-fixincludes"
+build_tools="build-texinfo build-flex build-bison build-m4 build-fixincludes"
# these libraries are used by various programs built for the host environment
-#
-host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
+#f
+host_libs="intl libiberty opcodes bfd readline tcl tk itcl libgui zlib libbacktrace libcpp libdecnumber gmp mpfr mpc isl libelf libiconv"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
# binutils, gas and ld appear in that order because it makes sense to run
# "make check" in that particular order.
# If --enable-gold is used, "gold" may replace "ld".
-host_tools="texinfo byacc flex bison binutils gas ld fixincludes gcc cgen sid sim gdb make patch prms send-pr gprof etc expect dejagnu ash bash bzip2 m4 autoconf automake libtool diff rcs fileutils shellutils time textutils wdiff find uudecode hello tar gzip indent recode release sed utils guile perl gawk findutils gettext zip fastjar gnattools"
+host_tools="texinfo flex bison binutils gas ld fixincludes gcc cgen sid sim gdb gprof etc expect dejagnu m4 utils guile fastjar gnattools libcc1 gotools"
# libgcj represents the runtime libraries only used by gcj.
libgcj="target-libffi \
target-zlib \
- target-qthreads \
target-libjava"
# these libraries are built for the target environment, and are built after
# the host libraries and the host tools (which may be a cross compiler)
-#
+# Note that libiberty is not a target library.
target_libraries="target-libgcc \
- target-libiberty \
+ target-libbacktrace \
target-libgloss \
target-newlib \
target-libgomp \
+ target-libcilkrts \
+ target-liboffloadmic \
+ target-libatomic \
+ target-libitm \
target-libstdc++-v3 \
- target-libmudflap \
+ target-libsanitizer \
+ target-libvtv \
+ target-libmpx \
target-libssp \
target-libquadmath \
target-libgfortran \
# note: any program that *uses* libraries that are in the "target_libraries"
# list belongs in this list.
#
-target_tools="target-examples target-gperf target-rda"
+target_tools="target-rda"
################################################################################
fi
use_included_zlib=
+AC_ARG_WITH(system-zlib,
+[AS_HELP_STRING([--with-system-zlib], [use installed libz])])
# Make sure we don't let ZLIB be added if we didn't want it.
if test x$with_system_zlib = xyes ; then
use_included_zlib=no
yes) skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'` ;;
esac
+AC_ARG_ENABLE(as-accelerator-for,
+[AS_HELP_STRING([--enable-as-accelerator-for=ARG],
+ [build as offload target compiler.
+ Specify offload host triple by ARG])])
+
+AC_ARG_ENABLE(offload-targets,
+[AS_HELP_STRING([--enable-offload-targets=LIST],
+ [enable offloading to devices from comma-separated LIST of
+ TARGET[=DIR]. Use optional path to find offload target compiler
+ during the build])],
+[
+ if test x"$enable_offload_targets" = x; then
+ AC_MSG_ERROR([no offload targets specified])
+ fi
+], [enable_offload_targets=])
+
# Handle --enable-gold, --enable-ld.
# --disable-gold [--enable-ld]
# Build only ld. Default option.
is_elf=no
case "${target}" in
*-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
- | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
+ | *-*-linux* | *-*-gnu* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
| *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-dragonfly* \
- | *-*-solaris2* | *-*-nto*)
+ | *-*-solaris2* | *-*-nto* | *-*-nacl*)
case "${target}" in
*-*-linux*aout* | *-*-linux*oldld*)
;;
if test "$is_elf" = "yes"; then
# Check for target supported by gold.
case "${target}" in
- i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
+ i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-* \
+ | aarch64*-*-* | tilegx*-*-*)
configdirs="$configdirs gold"
if test x${ENABLE_GOLD} = xdefault; then
default_ld=gold
;;
esac
+# PR gas/19109
+# Decide the default method for compressing debug sections.
+# Provide a configure time option to override our default.
+AC_ARG_ENABLE(compressed_debug_sections,
+[AS_HELP_STRING([--enable-compressed-debug-sections={all,gas,gold,ld,none}],
+ [Enable compressed debug sections for gas, gold or ld by
+ default])],
+[
+ if test x"$enable_compressed_debug_sections" = xyes; then
+ AC_MSG_ERROR([no program with compressed debug sections specified])
+ fi
+], [enable_compressed_debug_sections=])
+
# Configure extra directories which are host specific
case "${host}" in
ENABLE_LIBSSP=$enableval,
ENABLE_LIBSSP=yes)
+AC_ARG_ENABLE(libstdcxx,
+AS_HELP_STRING([--disable-libstdcxx],
+ [do not build libstdc++-v3 directory]),
+ENABLE_LIBSTDCXX=$enableval,
+ENABLE_LIBSTDCXX=default)
+[if test "${ENABLE_LIBSTDCXX}" = "no" ; then
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+fi]
+
+# If this is accelerator compiler and its target is intelmic we enable
+# target liboffloadmic by default. If this is compiler with offloading
+# for intelmic we enable host liboffloadmic by default. Otherwise
+# liboffloadmic is disabled by default.
+AC_ARG_ENABLE([liboffloadmic],
+AC_HELP_STRING([[--enable-liboffloadmic[=ARG]]],
+ [build liboffloadmic @<:@ARG={no,host,target}@:>@]),
+[case "$enableval" in
+ no | host | target)
+ enable_liboffloadmic=$enableval ;;
+ *)
+ AC_MSG_ERROR([--enable-liboffloadmic=no/host/target]) ;;
+esac],
+[if test x"$enable_as_accelerator_for" != x; then
+ case "${target}" in
+ *-intelmic-* | *-intelmicemul-*)
+ enable_liboffloadmic=target
+ extra_liboffloadmic_configure_flags="--enable-liboffloadmic=target"
+ ;;
+ *)
+ enable_liboffloadmic=no
+ ;;
+ esac
+else
+ case "${enable_offload_targets}" in
+ *-intelmic-* | *-intelmicemul-*)
+ enable_liboffloadmic=host
+ extra_liboffloadmic_configure_flags="--enable-liboffloadmic=host"
+ ;;
+ *)
+ enable_liboffloadmic=no
+ ;;
+ esac
+fi])
+AC_SUBST(extra_liboffloadmic_configure_flags)
+
# Save it here so that, even in case of --enable-libgcj, if the Java
# front-end isn't enabled, we still get libgcj disabled.
libgcj_saved=$libgcj
;;
esac
+AC_ARG_ENABLE(static-libjava,
+[AS_HELP_STRING([[--enable-static-libjava[=ARG]]],
+ [build static libjava @<:@default=no@:>@])],
+ENABLE_STATIC_LIBJAVA=$enableval,
+ENABLE_STATIC_LIBJAVA=no)
+enable_static_libjava=
+if test "${ENABLE_STATIC_LIBJAVA}" = "yes" ; then
+ enable_static_libjava=yes
+fi
-# Disable libmudflap on some systems.
-if test x$enable_libmudflap = x ; then
- case "${target}" in
- *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux* | *-*-kopensolaris*-gnu)
- # Enable libmudflap by default in GNU and friends.
- ;;
- *-*-freebsd*)
- # Enable libmudflap by default in FreeBSD.
- ;;
- *)
- # Disable it by default everywhere else.
- noconfigdirs="$noconfigdirs target-libmudflap"
- ;;
- esac
+if test x$enable_static_libjava != xyes ; then
+ EXTRA_CONFIGARGS_LIBJAVA=--disable-static
fi
+AC_SUBST(EXTRA_CONFIGARGS_LIBJAVA)
-# Disable libgomp on non POSIX hosted systems.
+# Enable libgomp by default on hosted POSIX systems, and a few others.
if test x$enable_libgomp = x ; then
- # Enable libgomp by default on hosted POSIX systems.
case "${target}" in
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
;;
*-*-netbsd* | *-*-freebsd* | *-*-openbsd* | *-*-dragonfly*)
;;
- *-*-solaris2* | *-*-irix6* | *-*-osf* | *-*-hpux11*)
+ *-*-solaris2* | *-*-hpux11*)
;;
*-*-darwin* | *-*-aix*)
;;
+ nvptx*-*-*)
+ ;;
*)
noconfigdirs="$noconfigdirs target-libgomp"
;;
esac
fi
+# Disable libatomic on unsupported systems.
+if test -d ${srcdir}/libatomic; then
+ if test x$enable_libatomic = x; then
+ AC_MSG_CHECKING([for libatomic support])
+ if (srcdir=${srcdir}/libatomic; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libatomic"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+# Disable libcilkrts on unsupported systems.
+if test -d ${srcdir}/libcilkrts; then
+ if test x$enable_libcilkrts = x; then
+ AC_MSG_CHECKING([for libcilkrts support])
+ if (srcdir=${srcdir}/libcilkrts; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libcilkrts"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+# Disable liboffloadmic on unsupported systems.
+if test -d ${srcdir}/liboffloadmic; then
+ if test x$enable_liboffloadmic != xno; then
+ AC_MSG_CHECKING([for liboffloadmic support])
+ if (srcdir=${srcdir}/liboffloadmic; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-liboffloadmic"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+# Disable libitm on unsupported systems.
+if test -d ${srcdir}/libitm; then
+ if test x$enable_libitm = x; then
+ AC_MSG_CHECKING([for libitm support])
+ if (srcdir=${srcdir}/libitm; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libitm"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+# Disable libsanitizer on unsupported systems.
+if test -d ${srcdir}/libsanitizer; then
+ if test x$enable_libsanitizer = x; then
+ AC_MSG_CHECKING([for libsanitizer support])
+ if (srcdir=${srcdir}/libsanitizer; \
+ . ${srcdir}/configure.tgt; \
+ test -n "$UNSUPPORTED")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libsanitizer"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+# Disable libvtv on unsupported systems.
+if test -d ${srcdir}/libvtv; then
+ if test x$enable_libvtv = x; then
+ AC_MSG_CHECKING([for libvtv support])
+ if (srcdir=${srcdir}/libvtv; \
+ . ${srcdir}/configure.tgt; \
+ test "$VTV_SUPPORTED" != "yes")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libvtv"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+
+# Enable libmpx on supported systems by request.
+if test -d ${srcdir}/libmpx; then
+ if test x$enable_libmpx = x; then
+ AC_MSG_CHECKING([for libmpx support])
+ if (srcdir=${srcdir}/libmpx; \
+ . ${srcdir}/configure.tgt; \
+ test "$LIBMPX_SUPPORTED" != "yes")
+ then
+ AC_MSG_RESULT([no])
+ noconfigdirs="$noconfigdirs target-libmpx"
+ else
+ AC_MSG_RESULT([yes])
+ fi
+ fi
+fi
+
+
+
+# Disable libquadmath for some systems.
+case "${target}" in
+ avr-*-*)
+ noconfigdirs="$noconfigdirs target-libquadmath"
+ ;;
+ # libquadmath is unused on AIX and libquadmath build process use of
+ # LD_LIBRARY_PATH can break AIX bootstrap.
+ powerpc-*-aix* | rs6000-*-aix*)
+ noconfigdirs="$noconfigdirs target-libquadmath"
+ ;;
+esac
+
# Disable libssp for some systems.
case "${target}" in
avr-*-*)
powerpc-*-aix* | rs6000-*-aix*)
noconfigdirs="$noconfigdirs target-libssp"
;;
+ rl78-*-*)
+ # libssp uses a misaligned load to trigger a fault, but the RL78
+ # doesn't fault for those - instead, it gives a build-time error
+ # for explicit misaligned loads.
+ noconfigdirs="$noconfigdirs target-libssp"
+ ;;
+ visium-*-*)
+ # No hosted I/O support.
+ noconfigdirs="$noconfigdirs target-libssp"
+ ;;
esac
-# Disable target libiberty for some systems.
+# Disable libstdc++-v3 for some systems.
+# Allow user to override this if they pass --enable-libstdc++-v3
+if test "${ENABLE_LIBSTDCXX}" = "default" ; then
+ case "${target}" in
+ *-*-vxworks*)
+ # VxWorks uses the Dinkumware C++ library.
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ arm*-wince-pe*)
+ # the C++ libraries don't build on top of CE's C libraries
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ avr-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ;;
+ esac
+fi
+
+# Disable Fortran for some systems.
case "${target}" in
- *-*-kaos*)
- # Remove unsupported stuff on all kaOS configurations.
- skipdirs="target-libiberty"
+ mmix-*-*)
+ # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
+ unsupported_languages="$unsupported_languages fortran"
;;
- *-*-netbsd*)
- # Skip some stuff on all NetBSD configurations.
- noconfigdirs="$noconfigdirs target-libiberty"
+esac
+
+# Disable Java if libffi is not supported.
+case "${target}" in
+ aarch64-*-*)
+ ;;
+ alpha*-*-*)
+ ;;
+ arm*-*-*)
+ ;;
+ cris-*-*)
+ ;;
+ frv-*-*)
+ ;;
+ hppa*-*-linux*)
+ ;;
+ hppa*-*-hpux*)
+ ;;
+ i?86-*-*)
+ ;;
+ ia64*-*-*)
+ ;;
+ m32r*-*-*)
+ ;;
+ m68k-*-*)
+ ;;
+ mips*-*-rtems*)
+ ;;
+ mips*-*-linux*)
+ ;;
+ powerpc*-*-linux*)
+ ;;
+ powerpc-*-darwin*)
+ ;;
+ powerpc-*-aix* | rs6000-*-aix*)
+ ;;
+ powerpc-*-freebsd*)
+ ;;
+ powerpc64-*-freebsd*)
+ ;;
+ powerpc*-*-rtems*)
+ ;;
+ s390-*-* | s390x-*-*)
+ ;;
+ sh-*-* | sh[[34]]*-*-*)
+ ;;
+ sh64-*-* | sh5*-*-*)
+ ;;
+ sparc*-*-*)
+ ;;
+ x86_64-*-*)
+ ;;
+ *-*-*)
+ unsupported_languages="$unsupported_languages java"
+ ;;
+esac
+
+# Disable Java, libgcj or related libraries for some systems.
+case "${target}" in
+ powerpc-*-darwin*)
+ ;;
+ i[[3456789]]86-*-darwin*)
+ ;;
+ x86_64-*-darwin[[912]]*)
+ ;;
+ *-*-darwin*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
*-*-netware*)
- noconfigdirs="$noconfigdirs target-libiberty"
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
*-*-rtems*)
- skipdirs="${skipdirs} target-libiberty"
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
*-*-tpf*)
- noconfigdirs="$noconfigdirs target-libiberty"
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ *-*-uclinux*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
*-*-vxworks*)
- noconfigdirs="$noconfigdirs target-libiberty"
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
- sh*-*-pe|mips*-*-pe|*arm-wince-pe)
- noconfigdirs="$noconfigdirs target-libiberty"
+ alpha*-*-*vms*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ arm*-*-freebsd*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ arm-wince-pe)
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
arm*-*-symbianelf*)
- noconfigdirs="$noconfigdirs target-libiberty"
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
- avr-*-*)
- noconfigdirs="$noconfigdirs target-libiberty"
+ bfin-*-*)
+ noconfigdirs="$noconfigdirs target-boehm-gc"
;;
- m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
- noconfigdirs="$noconfigdirs target-libiberty"
+ cris-*-* | crisv32-*-*)
+ unsupported_languages="$unsupported_languages java"
+ case "${target}" in
+ *-*-linux*)
+ ;;
+ *) # See PR46792 regarding target-libffi.
+ noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
+ esac
;;
- picochip-*-*)
- noconfigdirs="$noconfigdirs target-libiberty"
+ hppa*64*-*-linux*)
+ # In this case, it's because the hppa64-linux target is for
+ # the kernel only at this point and has no libc, and thus no
+ # headers, crt*.o, etc., all of which are needed by these.
+ unsupported_languages="$unsupported_languages java"
;;
- mips*-sde-elf*)
- skipdirs="$skipdirs target-libiberty"
+ hppa*64*-*-hpux*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
- ip2k-*-*)
- noconfigdirs="$noconfigdirs target-libiberty"
+ hppa*-hp-hpux11*)
;;
-esac
-
-# Disable libstdc++-v3 for some systems.
-case "${target}" in
- *-*-vxworks*)
- # VxWorks uses the Dinkumware C++ library.
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ hppa*-*-hpux*)
+ # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
+ # build on HP-UX 10.20.
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
- arm*-wince-pe*)
- # the C++ libraries don't build on top of CE's C libraries
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ ia64*-*-*vms*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
- avr-*-*)
- noconfigdirs="$noconfigdirs target-libstdc++-v3"
+ i[[3456789]]86-w64-mingw*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ i[[3456789]]86-*-mingw*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ x86_64-*-mingw*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ mmix-*-*)
+ noconfigdirs="$noconfigdirs target-libffi target-boehm-gc"
+ ;;
+ powerpc-*-aix*)
+ # copied from rs6000-*-* entry
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ rs6000-*-aix*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
+ ;;
+ *-*-lynxos*)
+ noconfigdirs="$noconfigdirs ${libgcj}"
;;
esac
-# Disable Fortran for some systems.
+# Disable the go frontend on systems where it is known to not work. Please keep
+# this in sync with contrib/config-list.mk.
case "${target}" in
- mmix-*-*)
- # See <http://gcc.gnu.org/ml/gcc-patches/2004-11/msg00572.html>.
- unsupported_languages="$unsupported_languages fortran"
+*-*-darwin* | *-*-cygwin* | *-*-mingw* | *-*-aix*)
+ unsupported_languages="$unsupported_languages go"
;;
esac
+# Disable libgo for some systems where it is known to not work.
+# For testing, you can easily override this with --enable-libgo.
+if test x$enable_libgo = x; then
+ case "${target}" in
+ *-*-darwin*)
+ # PR 46986
+ noconfigdirs="$noconfigdirs target-libgo"
+ ;;
+ *-*-cygwin* | *-*-mingw*)
+ noconfigdirs="$noconfigdirs target-libgo"
+ ;;
+ *-*-aix*)
+ noconfigdirs="$noconfigdirs target-libgo"
+ ;;
+ esac
+fi
+
# Default libgloss CPU subdirectory.
libgloss_dir="$target_cpu"
case "${target}" in
+ sh*-*-pe|mips*-*-pe|*arm-wince-pe)
+ libgloss_dir=wince
+ ;;
+ aarch64*-*-* )
+ libgloss_dir=aarch64
+ ;;
+ arm*-*-*)
+ libgloss_dir=arm
+ ;;
+ cris-*-* | crisv32-*-*)
+ libgloss_dir=cris
+ ;;
+ hppa*-*-*)
+ libgloss_dir=pa
+ ;;
+ i[[3456789]]86-*-*)
+ libgloss_dir=i386
+ ;;
+ m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
+ libgloss_dir=m68hc11
+ ;;
+ m68*-*-* | fido-*-*)
+ libgloss_dir=m68k
+ ;;
+ mips*-*-*)
+ libgloss_dir=mips
+ ;;
+ powerpc*-*-*)
+ libgloss_dir=rs6000
+ ;;
+ sparc*-*-*)
+ libgloss_dir=sparc
+ ;;
+esac
+
+# Disable newlib and libgloss for various target OSes.
+case "${target}" in
+ alpha*-dec-osf*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ i[[3456789]]86-*-linux*)
+ # This section makes it possible to build newlib natively on linux.
+ # If we are using a cross compiler then don't configure newlib.
+ if test x${is_cross_compiler} != xno ; then
+ noconfigdirs="$noconfigdirs target-newlib"
+ fi
+ noconfigdirs="$noconfigdirs target-libgloss"
+ # If we are not using a cross compiler, do configure newlib.
+ # Note however, that newlib will only be configured in this situation
+ # if the --with-newlib option has been given, because otherwise
+ # 'target-newlib' will appear in skipdirs.
+ ;;
+ i[[3456789]]86-*-rdos*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ sh*-*-pe|mips*-*-pe|arm-wince-pe)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ sparc-*-sunos4*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-aix*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-beos*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
*-*-chorusos)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
+ *-*-dragonfly*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-freebsd*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-lynxos*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-mingw*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-netbsd*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-netware*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-tpf*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-uclinux*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ *-*-vxworks*)
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+esac
+
+case "${target}" in
+ *-*-chorusos)
+ ;;
+ aarch64-*-darwin*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
+ arm-*-darwin*)
+ noconfigdirs="$noconfigdirs ld gas gdb gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
powerpc-*-darwin*)
noconfigdirs="$noconfigdirs ld gas gdb gprof"
noconfigdirs="$noconfigdirs sim target-rda"
*-*-darwin*)
noconfigdirs="$noconfigdirs ld gas gdb gprof"
noconfigdirs="$noconfigdirs sim target-rda"
- noconfigdirs="$noconfigdirs ${libgcj}"
;;
*-*-dragonfly*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
*-*-freebsd*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss"
if test "x$with_gmp" = x && test "x$with_gmp_dir" = x \
&& test -f /usr/local/include/gmp.h; then
with_gmp=/usr/local
fi
-
- # Skip some stuff that's unsupported on some FreeBSD configurations.
- case "${target}" in
- i*86-*-*) ;;
- alpha*-*-*) ;;
- x86_64-*-*) ;;
- *)
- noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
- esac
;;
*-*-kaos*)
# Remove unsupported stuff on all kaOS configurations.
noconfigdirs="$noconfigdirs target-libgloss"
;;
*-*-netbsd*)
- # Skip some stuff on all NetBSD configurations.
- noconfigdirs="$noconfigdirs target-newlib target-libgloss"
-
- # Skip some stuff that's unsupported on some NetBSD configurations.
- case "${target}" in
- i*86-*-netbsdelf*) ;;
- arm*-*-netbsdelf*) ;;
- *)
- noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
- esac
;;
*-*-netware*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
*-*-rtems*)
- noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libgloss"
+ # this is not caught below because this stanza matches earlier
+ case $target in
+ or1k*-*-*) noconfigdirs="$noconfigdirs gdb" ;;
+ esac
;;
# The tpf target doesn't support gdb yet.
*-*-tpf*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj} gdb tcl tk libgui itcl"
+ noconfigdirs="$noconfigdirs gdb tcl tk libgui itcl"
;;
*-*-uclinux*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss target-rda ${libgcj}"
+ noconfigdirs="$noconfigdirs target-rda"
;;
*-*-vxworks*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
;;
alpha*-dec-osf*)
# ld works, but does not support shared libraries.
- # newlib is not 64 bit ready.
# gas doesn't generate exception information.
- noconfigdirs="$noconfigdirs gas ld target-newlib target-libgloss"
+ noconfigdirs="$noconfigdirs gas ld"
;;
alpha*-*-*vms*)
- noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
- ;;
- alpha*-*-linux*)
- # newlib is not 64 bit ready
- noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
;;
alpha*-*-*)
# newlib is not 64 bit ready
- noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
- ;;
- am33_2.0-*-linux*)
- noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
- sh-*-linux*)
- noconfigdirs="$noconfigdirs ${libgcj} target-newlib target-libgloss"
- ;;
sh*-*-pe|mips*-*-pe|*arm-wince-pe)
- noconfigdirs="$noconfigdirs ${libgcj}"
noconfigdirs="$noconfigdirs tcl tk itcl libgui sim"
- noconfigdirs="$noconfigdirs target-newlib"
- libgloss_dir=wince
;;
- arc-*-*)
+ arc-*-*|arceb-*-*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
- arm-*-coff)
- libgloss_dir=arm
- ;;
- arm-*-elf* | arm*-*-eabi* )
- noconfigdirs="$noconfigdirs target-libffi"
- libgloss_dir=arm
- ;;
- arm*-*-linux-gnueabi)
- case ${with_newlib} in
- no) noconfigdirs="$noconfigdirs target-newlib target-libgloss"
- esac
- libgloss_dir=arm
- ;;
- arm*-*-symbianelf*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- libgloss_dir=arm
- ;;
arm-*-pe*)
- noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libgloss"
;;
arm-*-riscix*)
noconfigdirs="$noconfigdirs ld target-libgloss"
;;
- avr-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ avr-*-rtems*)
;;
- bfin-*-*)
- unsupported_languages="$unsupported_languages java"
- noconfigdirs="$noconfigdirs target-boehm-gc"
+ avr-*-*)
+ if test x${with_avrlibc} != xno; then
+ noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ fi
;;
c4x-*-* | tic4x-*-*)
noconfigdirs="$noconfigdirs target-libgloss"
tic54x-*-*)
noconfigdirs="$noconfigdirs target-libgloss gdb"
;;
- cr16-*-*)
- noconfigdirs="$noconfigdirs ${libgcj} gdb"
- ;;
- cris-*-* | crisv32-*-*)
- unsupported_languages="$unsupported_languages java"
- case "${target}" in
- *-*-linux*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss";;
- *) # See PR46792 regarding target-libffi.
- noconfigdirs="$noconfigdirs target-libffi target-boehm-gc";;
- esac
- libgloss_dir=cris
- ;;
d10v-*-*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
noconfigdirs="$noconfigdirs gdb"
;;
fr30-*-elf*)
- noconfigdirs="$noconfigdirs ${libgcj} gdb"
+ noconfigdirs="$noconfigdirs gdb"
;;
- frv-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ ft32-*-*)
+ noconfigdirs="$noconfigdirs target-rda gprof"
;;
moxie-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- noconfigdirs="$noconfigdirs gprof"
+ noconfigdirs="$noconfigdirs"
;;
h8300*-*-*)
- noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs target-libgloss"
;;
h8500-*-*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
hppa1.1-*-osf* | hppa1.1-*-bsd* )
;;
+ hppa*64*-*-hpux*)
+ noconfigdirs="$noconfigdirs gdb"
+ ;;
+ hppa*-*-hpux11*)
+ noconfigdirs="$noconfigdirs gdb ld"
+ ;;
hppa*64*-*-linux*)
- # In this case, it's because the hppa64-linux target is for
- # the kernel only at this point and has no libc, and thus no
- # headers, crt*.o, etc., all of which are needed by these.
- noconfigdirs="$noconfigdirs target-zlib"
;;
hppa*-*-linux*)
;;
hppa*-*-lites* | \
hppa*-*-openbsd* | \
hppa*64*-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
- hppa*-hp-hpux11*)
- noconfigdirs="$noconfigdirs ld"
;;
hppa*-*-pro*)
- libgloss_dir=pa
;;
hppa*-*-*)
- # According to Alexandre Oliva <aoliva@redhat.com>, libjava won't
- # build on HP-UX 10.20.
- noconfigdirs="$noconfigdirs ld ${libgcj}"
+ noconfigdirs="$noconfigdirs ld"
;;
i960-*-*)
noconfigdirs="$noconfigdirs gdb"
;;
ia64*-**-hpux*)
# No ld support yet.
- noconfigdirs="$noconfigdirs ${libgcj} libgui itcl ld"
+ noconfigdirs="$noconfigdirs gdb libgui itcl ld"
;;
ia64*-*-*vms*)
- # No gdb or ld support yet.
- noconfigdirs="$noconfigdirs ${libgcj} readline libgui itcl gdb ld"
- ;;
- i[[3456789]]86-*-coff | i[[3456789]]86-*-elf)
- noconfigdirs="$noconfigdirs ${libgcj}"
- libgloss_dir=i386
- ;;
- i[[3456789]]86-*-linux*)
- # This section makes it possible to build newlib natively on linux.
- # If we are using a cross compiler then don't configure newlib.
- if test x${is_cross_compiler} != xno ; then
- noconfigdirs="$noconfigdirs target-newlib"
- fi
- noconfigdirs="$noconfigdirs target-libgloss"
- # If we are not using a cross compiler, do configure newlib.
- # Note however, that newlib will only be configured in this situation
- # if the --with-newlib option has been given, because otherwise
- # 'target-newlib' will appear in skipdirs.
+ # No ld support yet.
+ noconfigdirs="$noconfigdirs libgui itcl ld"
;;
i[[3456789]]86-w64-mingw*)
- noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
;;
i[[3456789]]86-*-mingw*)
target_configdirs="$target_configdirs target-winsup"
- noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
- ;;
- x86_64-*-mingw*)
- noconfigdirs="$noconfigdirs target-libgloss target-newlib ${libgcj}"
;;
*-*-cygwin*)
target_configdirs="$target_configdirs target-libtermcap target-winsup"
echo "Warning: winsup/cygwin is missing so newlib can't be built."
fi
;;
- i[[3456789]]86-*-interix* )
- ;;
i[[3456789]]86-*-pe)
noconfigdirs="$noconfigdirs target-libgloss"
;;
i[[3456789]]86-*-sco*)
noconfigdirs="$noconfigdirs gprof target-libgloss"
;;
- i[[3456789]]86-*-solaris2*)
+ i[[3456789]]86-*-solaris2* | x86_64-*-solaris2.1[[0-9]]*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
i[[3456789]]86-*-sysv4*)
noconfigdirs="$noconfigdirs target-libgloss"
;;
i[[3456789]]86-*-beos*)
- noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
+ noconfigdirs="$noconfigdirs gdb"
;;
i[[3456789]]86-*-rdos*)
- noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
- ;;
- m32r-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
- m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)
- libgloss_dir=m68hc11
- ;;
- m68k-*-elf*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
- m68*-*-* | fido-*-*)
- libgloss_dir=m68k
+ noconfigdirs="$noconfigdirs gdb"
;;
mmix-*-*)
- noconfigdirs="$noconfigdirs target-libffi target-boehm-gc gdb"
- unsupported_languages="$unsupported_languages java"
+ noconfigdirs="$noconfigdirs gdb"
;;
mt-*-*)
noconfigdirs="$noconfigdirs sim"
;;
powerpc-*-aix*)
# copied from rs6000-*-* entry
- noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof"
;;
powerpc*-*-winnt* | powerpc*-*-pe*)
target_configdirs="$target_configdirs target-winsup"
# This is temporary until we can link against shared libraries
powerpcle-*-solaris*)
noconfigdirs="$noconfigdirs gdb sim tcl tk itcl"
- libgloss_dir=rs6000
;;
powerpc-*-beos*)
- noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
- ;;
- powerpc-*-eabi)
- noconfigdirs="$noconfigdirs ${libgcj}"
- libgloss_dir=rs6000
- ;;
- powerpc-*-eabi* | powerpcle-*-eabi* | powerpc-*-rtems* )
- libgloss_dir=rs6000
+ noconfigdirs="$noconfigdirs gdb"
;;
rs6000-*-lynxos*)
- noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof"
;;
rs6000-*-aix*)
- noconfigdirs="$noconfigdirs gprof target-libgloss target-newlib ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof"
;;
rs6000-*-*)
- noconfigdirs="$noconfigdirs gprof ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof"
;;
m68k-apollo-*)
noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss"
;;
microblaze*)
- noconfigdirs="$noconfigdirs gprof ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof"
;;
- mips*-sde-elf*)
- noconfigdirs="$noconfigdirs ${libgcj}"
+ mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
if test x$with_newlib = xyes; then
noconfigdirs="$noconfigdirs gprof"
fi
- libgloss_dir=mips
;;
mips*-*-irix5*)
noconfigdirs="$noconfigdirs gprof target-libgloss"
;;
mips*-*-irix6*)
- # Linking libjava exceeds command-line length limits on at least
- # IRIX 6.2, but not on IRIX 6.5.
- # Also, boehm-gc won't build on IRIX 6.5, according to Jeffrey Oldham
- # <oldham@codesourcery.com>
- noconfigdirs="$noconfigdirs gprof target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof target-libgloss"
;;
mips*-*-bsd*)
- noconfigdirs="$noconfigdirs gprof target-libgloss"
+ noconfigdirs="$noconfigdirs ld gas gprof target-libgloss"
;;
mips*-*-linux*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss"
+ ;;
+ mips*-*-ultrix* | mips*-*-osf* | mips*-*-ecoff* | mips*-*-pe* \
+ | mips*-*-irix* | mips*-*-lnews* | mips*-*-riscos*)
+ noconfigdirs="$noconfigdirs ld gas gprof"
;;
mips*-*-*)
- noconfigdirs="$noconfigdirs gprof ${libgcj}"
- libgloss_dir=mips
+ noconfigdirs="$noconfigdirs gprof"
+ ;;
+ nds32*-*-*)
+ noconfigdirs="$noconfigdirs gdb"
+ ;;
+ nvptx*-*-*)
+ noconfigdirs="$noconfigdirs target-libssp target-libstdc++-v3 target-libobjc"
+ ;;
+ or1k*-*-*)
+ noconfigdirs="$noconfigdirs gdb"
;;
sh-*-* | sh64-*-*)
case "${target}" in
sh*-*-elf)
- noconfigdirs="$noconfigdirs ${libgcj}" ;;
+ ;;
*)
- noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
+ noconfigdirs="$noconfigdirs target-libgloss" ;;
esac
;;
- sparclet-*-aout* | sparc86x-*-*)
- libgloss_dir=sparc
- ;;
- sparc-*-elf*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
- sparc64-*-elf*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- libgloss_dir=sparc
- ;;
- sparclite-*-*)
- libgloss_dir=sparc
- ;;
sparc-*-sunos4*)
- if test x${is_cross_compiler} != xno ; then
- noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss"
- else
+ if test x${is_cross_compiler} = xno ; then
use_gnu_ld=no
fi
;;
- sparc-*-solaris* | sparc64-*-solaris* | sparcv9-*-solaris*)
- ;;
tic6x-*-*)
- noconfigdirs="$noconfigdirs gdb sim ${libgcj}"
+ noconfigdirs="$noconfigdirs sim"
+ ;;
+ tilepro*-*-* | tilegx*-*-*)
+ noconfigdirs="$noconfigdirs sim"
;;
v810-*-*)
noconfigdirs="$noconfigdirs bfd binutils gas gdb ld opcodes target-libgloss"
;;
vax-*-*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
- ;;
- *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
noconfigdirs="$noconfigdirs target-newlib target-libgloss"
;;
- *-*-lynxos*)
- noconfigdirs="$noconfigdirs target-newlib target-libgloss ${libgcj}"
- ;;
- *-*-*)
- noconfigdirs="$noconfigdirs ${libgcj}"
- ;;
esac
# If we aren't building newlib, then don't build libgloss, since libgloss
*-mingw*)
host_makefile_frag="config/mh-mingw"
;;
- *-interix*)
- host_makefile_frag="config/mh-interix"
+ alpha*-linux*)
+ host_makefile_frag="config/mh-alpha-linux"
;;
hppa*-hp-hpux10*)
host_makefile_frag="config/mh-pa-hpux10"
fi
fi
+# Check whether -static-libstdc++ -static-libgcc is supported.
+have_static_libs=no
+if test "$GCC" = yes; then
+ saved_LDFLAGS="$LDFLAGS"
+
+ LDFLAGS="$LDFLAGS -static-libstdc++ -static-libgcc"
+ AC_MSG_CHECKING([whether g++ accepts -static-libstdc++ -static-libgcc])
+ AC_LANG_PUSH(C++)
+ AC_LINK_IFELSE([
+#if (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
+#error -static-libstdc++ not implemented
+#endif
+int main() {}],
+ [AC_MSG_RESULT([yes]); have_static_libs=yes],
+ [AC_MSG_RESULT([no])])
+ AC_LANG_POP(C++)
+
+ LDFLAGS="$saved_LDFLAGS"
+fi
+
ACX_PROG_GNAT
ACX_PROG_CMP_IGNORE_INITIAL
-# See if we are building gcc with C++.
-AC_ARG_ENABLE(build-with-cxx,
-[AS_HELP_STRING([--enable-build-with-cxx],
- [build with C++ compiler instead of C compiler])],
-ENABLE_BUILD_WITH_CXX=$enableval,
-ENABLE_BUILD_WITH_CXX=no)
+AC_ARG_ENABLE([bootstrap],
+[AS_HELP_STRING([--enable-bootstrap],
+ [enable bootstrapping @<:@yes if native build@:>@])],,
+enable_bootstrap=default)
+
+# Issue errors and warnings for invalid/strange bootstrap combinations.
+if test -r $srcdir/gcc/configure; then
+ have_compiler=yes
+else
+ have_compiler=no
+fi
+
+case "$have_compiler:$host:$target:$enable_bootstrap" in
+ *:*:*:no) ;;
+
+ # Default behavior. Enable bootstrap if we have a compiler
+ # and we are in a native configuration.
+ yes:$build:$build:default)
+ enable_bootstrap=yes ;;
+
+ *:*:*:default)
+ enable_bootstrap=no ;;
+
+ # We have a compiler and we are in a native configuration, bootstrap is ok
+ yes:$build:$build:yes)
+ ;;
+
+ # Other configurations, but we have a compiler. Assume the user knows
+ # what he's doing.
+ yes:*:*:yes)
+ AC_MSG_WARN([trying to bootstrap a cross compiler])
+ ;;
+
+ # No compiler: if they passed --enable-bootstrap explicitly, fail
+ no:*:*:yes)
+ AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
+
+ # Fail if wrong command line
+ *)
+ AC_MSG_ERROR([invalid option for --enable-bootstrap])
+ ;;
+esac
+
+# When bootstrapping with GCC, build stage 1 in C++98 mode to ensure that a
+# C++98 compiler can still start the bootstrap.
+if test "$enable_bootstrap:$GXX" = "yes:yes"; then
+ CXX="$CXX -std=gnu++98"
+fi
# Used for setting $lt_cv_objdir
_LT_CHECK_OBJDIR
gmplibs="-L$with_mpfr_lib $gmplibs"
fi
if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
- gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
- gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
- extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
+ # MPFR v3.1.0 moved the sources into a src sub-directory.
+ if test -d ${srcdir}/mpfr/src; then
+ gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir $gmplibs"
+ gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src '"$gmpinc"
+ extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr/src --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/src/'"$lt_cv_objdir"
+ else
+ gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir $gmplibs"
+ gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
+ extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
+ fi
# Do not test the mpfr version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below
gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
+ extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp'
# Do not test the gmp version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below
AC_TRY_COMPILE([#include "gmp.h"],[
#define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
#define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
- #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
+ #if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,3)
choke me
#endif
], [AC_TRY_COMPILE([#include <gmp.h>],[
AC_MSG_CHECKING([for the correct version of mpfr.h])
AC_TRY_COMPILE([#include <gmp.h>
#include <mpfr.h>],[
- #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
+ #if MPFR_VERSION < MPFR_VERSION_NUM(2,4,0)
choke me
#endif
], [AC_TRY_COMPILE([#include <gmp.h>
# The library versions listed in the error message below should match
# the HARD-minimums enforced above.
if test x$have_gmp != xyes; then
- AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.1+ and MPC 0.8.0+.
+ AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.4.0+ and MPC 0.8.0+.
Try the --with-gmp, --with-mpfr and/or --with-mpc options to specify
their locations. Source code for these libraries can be found at
their respective hosting sites as well as at
AC_SUBST(extra_mpfr_configure_flags)
AC_SUBST(extra_mpc_gmp_configure_flags)
AC_SUBST(extra_mpc_mpfr_configure_flags)
-
-# Allow host libstdc++ to be specified for static linking with PPL.
-AC_ARG_WITH(host-libstdcxx,
-[AS_HELP_STRING([--with-host-libstdcxx=L],
- [use linker arguments L to link with libstdc++
- when linking with PPL])])
-
-case $with_host_libstdcxx in
- no|yes)
- AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
- ;;
-esac
-
-# Linker flags to use for stage1 or when not boostrapping.
-AC_ARG_WITH(stage1-ldflags,
-[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
-[if test "$withval" = "no" -o "$withval" = "yes"; then
- stage1_ldflags=
- else
- stage1_ldflags=$withval
- fi],
-[stage1_ldflags=])
-AC_SUBST(stage1_ldflags)
+AC_SUBST(extra_isl_gmp_configure_flags)
# Libraries to use for stage1 or when not bootstrapping.
AC_ARG_WITH(stage1-libs,
else
stage1_libs=$withval
fi],
-[stage1_libs=$with_host_libstdcxx])
+[stage1_libs=])
AC_SUBST(stage1_libs)
-# Libraries to use for stage2 and later builds. This defaults to the
-# argument passed to --with-host-libstdcxx.
+# Linker flags to use for stage1 or when not bootstrapping.
+AC_ARG_WITH(stage1-ldflags,
+[AS_HELP_STRING([--with-stage1-ldflags=FLAGS], [linker flags for stage1])],
+[if test "$withval" = "no" -o "$withval" = "yes"; then
+ stage1_ldflags=
+ else
+ stage1_ldflags=$withval
+ fi],
+[stage1_ldflags=
+ # In stage 1, default to linking libstdc++ and libgcc statically with GCC
+ # if supported. But if the user explicitly specified the libraries to use,
+ # trust that they are doing what they want.
+ if test "$stage1_libs" = "" -a "$have_static_libs" = yes; then
+ stage1_ldflags="-static-libstdc++ -static-libgcc"
+ fi])
+AC_SUBST(stage1_ldflags)
+
+# Libraries to use for stage2 and later builds.
AC_ARG_WITH(boot-libs,
[AS_HELP_STRING([--with-boot-libs=LIBS], [libraries for stage2 and later])],
[if test "$withval" = "no" -o "$withval" = "yes"; then
else
poststage1_libs=$withval
fi],
-[poststage1_libs=$with_host_libstdcxx])
+[poststage1_libs=])
AC_SUBST(poststage1_libs)
# Linker flags to use for stage2 and later builds.
[if test "$withval" = "no" -o "$withval" = "yes"; then
poststage1_ldflags=
else
- poststage1_ldflags=$withval
- fi],
-[poststage1_ldflags=
- # In stages 2 and 3, default to linking libstdc++ and libgcc
- # statically. But if the user explicitly specified the libraries to
- # use, trust that they are doing what they want.
- if test "$poststage1_libs" = ""; then
- poststage1_ldflags="-static-libstdc++ -static-libgcc"
- fi])
-AC_SUBST(poststage1_ldflags)
-
-# Check for PPL
-ppllibs=
-pplinc=
-pwllib=
-
-AC_ARG_WITH(ppl,
-[AS_HELP_STRING([--with-ppl=PATH],
- [specify prefix directory for the installed PPL package.
- Equivalent to --with-ppl-include=PATH/include
- plus --with-ppl-lib=PATH/lib])])
-AC_ARG_WITH(ppl-include,
-[AS_HELP_STRING([--with-ppl-include=PATH],
- [specify directory for installed PPL include files])])
-AC_ARG_WITH(ppl-lib,
-[AS_HELP_STRING([--with-ppl-lib=PATH],
- [specify directory for the installed PPL library])])
-
-AC_ARG_ENABLE(ppl-version-check,
-[AS_HELP_STRING([--disable-ppl-version-check],
- [disable check for PPL version])])
-
-case $with_ppl in
- yes | no | "")
- ;;
- *)
- ppllibs="-L$with_ppl/lib"
- pplinc="-I$with_ppl/include $pplinc"
- if test -d "$with_ppl/lib" && test -d "$with_ppl/include"; then
- with_ppl=yes
- else
- AC_MSG_ERROR([cannot find directories "$with_ppl/lib" or "$with_ppl/include"])
- fi
- ;;
-esac
-
-if test x"$with_ppl_include" != x; then
- pplinc="-I$with_ppl_include $pplinc"
- with_ppl=yes
-fi
-
-if test "x$with_ppl_lib" != x; then
- ppllibs="-L$with_ppl_lib"
- with_ppl=yes
-fi
-
-if test x"$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
- if test x"$enable_watchdog" = xyes; then
- pwllib="-lpwl"
- fi
- ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"
- pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
- enable_ppl_version_check=no
- with_ppl=yes
-fi
-
-if test "x$with_ppl" != xno; then
- if test "x$pwllib" = x; then
- saved_LIBS="$LIBS"
- LIBS="$LIBS $ppllibs -lstdc++ -lm"
- AC_CHECK_LIB(pwl, PWL_handle_timeout, [pwllib="-lpwl"])
- LIBS="$saved_LIBS"
- fi
-
- ppllibs="$ppllibs -lppl_c -lppl $pwllib -lgmpxx"
+ poststage1_ldflags=$withval
+ fi],
+[poststage1_ldflags=
+ # In stages 2 and 3, default to linking libstdc++ and libgcc
+ # statically. But if the user explicitly specified the libraries to
+ # use, trust that they are doing what they want.
+ if test "$poststage1_libs" = ""; then
+ poststage1_ldflags="-static-libstdc++ -static-libgcc"
+ fi])
+AC_SUBST(poststage1_ldflags)
- if test "$enable_ppl_version_check" != no; then
- saved_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS $pplinc $gmpinc"
- AC_MSG_CHECKING([for version 0.11 (revision 0 or later) of PPL])
- AC_TRY_COMPILE([#include "ppl_c.h"],[
- #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 11
- choke me
- #endif
- ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
- CFLAGS="$saved_CFLAGS"
- fi
+# GCC GRAPHITE dependency isl.
+# Basic setup is inlined here, actual checks are in config/isl.m4
+
+AC_ARG_WITH(isl,
+ [AS_HELP_STRING(
+ [--with-isl=PATH],
+ [Specify prefix directory for the installed isl package.
+ Equivalent to --with-isl-include=PATH/include
+ plus --with-isl-lib=PATH/lib])])
+
+# Treat --without-isl as a request to disable
+# GRAPHITE support and skip all following checks.
+if test "x$with_isl" != "xno"; then
+ # Check for isl
+ dnl Provide configure switches and initialize islinc & isllibs
+ dnl with user input.
+ ISL_INIT_FLAGS
+ dnl The versions of isl that work for Graphite
+ ISL_CHECK_VERSION()
+ dnl Only execute fail-action, if isl has been requested.
+ ISL_IF_FAILED([
+ AC_MSG_ERROR([Unable to find a usable isl. See config.log for details.])])
fi
-# Flags needed for PPL
-AC_SUBST(ppllibs)
-AC_SUBST(pplinc)
-
-
-# Check for CLOOG
-
-dnl Provide configure switches and initialize clooginc & clooglibs
-dnl with user input.
-CLOOG_INIT_FLAGS
-if test "x$with_ppl" = "xno"; then
- dnl Only execute fail-action, if CLooG has been requested.
- CLOOG_REQUESTED([graphite_requested=yes], [graphite_requested=no])
- if test "${graphite_requested}" = yes; then
- AC_MSG_ERROR([Unable to find a usable PPL. See config.log for details.])
- fi
- with_cloog=no
-fi
-if test "x${with_cloog}" = x && test "x${with_cloog_include}" = x \
- && test "x${with_cloog_lib}" = x && test -d ${srcdir}/cloog; then
- clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' '
- clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include '
+# If the isl check failed, disable builds of in-tree variant of isl
+if test "x$with_isl" = xno ||
+ test "x$gcc_cv_isl" = xno; then
+ noconfigdirs="$noconfigdirs isl"
+ islinc=
fi
-if test "x$with_cloog" != "xno"; then
- dnl The minimal version of CLooG required for Graphite.
- dnl
- dnl If we use CLooG-Legacy, the provided version information is
- dnl ignored.
- CLOOG_CHECK_VERSION(0,16,1)
- dnl Only execute fail-action, if CLooG has been requested.
- CLOOG_IF_FAILED([
- AC_MSG_ERROR([Unable to find a usable CLooG. See config.log for details.])])
-fi
+AC_SUBST(isllibs)
+AC_SUBST(islinc)
# Check for LTO support.
AC_ARG_ENABLE(lto,
build_lto_plugin=yes
],[if test x"$default_enable_lto" = x"yes" ; then
case $target in
- *-apple-darwin9 | *-cygwin* | *-mingw*) ;;
+ *-apple-darwin9* | *-cygwin* | *-mingw* | *djgpp*) ;;
# On other non-ELF platforms, LTO has yet to be validated.
*) enable_lto=no ;;
esac
# warn during gcc/ subconfigure; unless you're bootstrapping with
# -flto it won't be needed until after installation anyway.
case $target in
- *-cygwin* | *-mingw* | *-apple-darwin*) ;;
+ *-cygwin* | *-mingw* | *-apple-darwin* | *djgpp*) ;;
*) if test x"$enable_lto" = x"yes"; then
AC_MSG_ERROR([LTO support is not enabled for this target.])
fi
esac
])
-
-# By default, C is the only stage 1 language.
+AC_ARG_ENABLE(linker-plugin-configure-flags,
+ [AS_HELP_STRING([[--enable-linker-plugin-configure-flags=FLAGS]],
+ [additional flags for configuring linker plugins @<:@none@:>@])],
+ extra_linker_plugin_configure_flags=$enableval,
+ extra_linker_plugin_configure_flags=)
+AC_SUBST(extra_linker_plugin_configure_flags)
+AC_ARG_ENABLE(linker-plugin-flags,
+ [AS_HELP_STRING([[--enable-linker-plugin-flags=FLAGS]],
+ [additional flags for configuring and building linker plugins @<:@none@:>@])],
+ extra_linker_plugin_flags=$enableval,
+ extra_linker_plugin_flags=)
+AC_SUBST(extra_linker_plugin_flags)
+
+
+# By default, C and C++ are the only stage 1 languages.
stage1_languages=,c,
# Target libraries that we bootstrap.
if test x"${enable_languages+set}" != xset; then
if test x"${LANGUAGES+set}" = xset; then
enable_languages="${LANGUAGES}"
- echo configure.in: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
+ echo configure.ac: warning: setting LANGUAGES is deprecated, use --enable-languages instead 1>&2
else
enable_languages=all
fi
if test x"${enable_languages}" = x ||
test x"${enable_languages}" = xyes;
then
- echo configure.in: --enable-languages needs at least one language argument 1>&2
+ echo configure.ac: --enable-languages needs at least one language argument 1>&2
exit 1
fi
fi
# and make the substitution.
case ,${enable_languages}, in
*,f95,*)
- echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
+ echo configure.ac: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
;;
esac
+ # If bootstrapping, C++ must be enabled.
+ case ",$enable_languages,:$enable_bootstrap" in
+ *,c++,*:*) ;;
+ *:yes)
+ if test -f ${srcdir}/gcc/cp/config-lang.in; then
+ enable_languages="${enable_languages},c++"
+ else
+ AC_MSG_ERROR([bootstrapping requires c++ sources])
+ fi
+ ;;
+ esac
+
# First scan to see if an enabled language requires some other language.
# We assume that a given config-lang.in will list all the language
# front ends it requires, even if some are required indirectly.
new_enable_languages=,c,
# If LTO is enabled, add the LTO front end.
- extra_host_libiberty_configure_flags=
if test "$enable_lto" = "yes" ; then
case ,${enable_languages}, in
*,lto,*) ;;
esac
if test "${build_lto_plugin}" = "yes" ; then
configdirs="$configdirs lto-plugin"
- extra_host_libiberty_configure_flags=--enable-shared
fi
fi
- AC_SUBST(extra_host_libiberty_configure_flags)
+
+ # If we're building an offloading compiler, add the LTO front end.
+ if test x"$enable_as_accelerator_for" != x ; then
+ case ,${enable_languages}, in
+ *,lto,*) ;;
+ *) enable_languages="${enable_languages},lto" ;;
+ esac
+ fi
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
exit 1
fi
- if test "$language" = "c++" \
- && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
+ if test "$language" = "c++"; then
boot_language=yes
fi
+ add_this_lang=no
case ,${enable_languages}, in
*,${language},*)
- # Language was explicitly selected; include it.
- add_this_lang=yes
+ # Language was explicitly selected; include it
+ # unless it is C, which is enabled by default.
+ if test "$language" != "c"; then
+ add_this_lang=yes
+ fi
;;
*,all,*)
# 'all' was selected, select it if it is a default language
- add_this_lang=${build_by_default}
- ;;
- *)
- add_this_lang=no
+ if test "$language" != "c"; then
+ add_this_lang=${build_by_default}
+ fi
;;
esac
;;
esac
+# Disable libcilkrts, libitm, libsanitizer, libvtv, liboffloadmic if we're not building C++
+case ,${enable_languages}, in
+ *,c++,*)
+ # Disable libcilkrts, libitm, libsanitizer if we're not building libstdc++
+ case "${noconfigdirs}" in
+ *target-libstdc++-v3*)
+ noconfigdirs="$noconfigdirs target-libcilkrts target-libitm target-libsanitizer"
+ ;;
+ *) ;;
+ esac
+ ;;
+ *)
+ noconfigdirs="$noconfigdirs target-libcilkrts target-liboffloadmic target-libitm target-libsanitizer target-libvtv"
+ ;;
+esac
+
# Remove the entries in $skipdirs and $noconfigdirs from $configdirs,
# $build_configdirs and $target_configdirs.
# If we have the source for $noconfigdirs entries, add them to $notsupp.
fi
done
-# Sometimes the tools are distributed with libiberty but with no other
-# libraries. In that case, we don't want to build target-libiberty.
-# Don't let libgcc imply libiberty either.
-if test -n "${target_configdirs}" ; then
- libgcc=
- others=
- for i in `echo ${target_configdirs} | sed -e s/target-//g` ; do
- if test "$i" = "libgcc"; then
- libgcc=target-libgcc
- elif test "$i" != "libiberty" ; then
- if test -r $srcdir/$i/configure ; then
- others=yes;
- break;
- fi
- fi
- done
- if test -z "${others}" ; then
- target_configdirs=$libgcc
- fi
-fi
-
# Quietly strip out all directories which aren't configurable in this tree.
# This relies on all configurable subdirectories being autoconfiscated, which
# is now the case.
fi
done
+# Exclude target-zlib if target-libjava isn't built.
+case ${target_configdirs} in
+*target-libjava*)
+ ;;
+*)
+ target_configdirs="`echo ${target_configdirs} | sed -e 's/target-zlib//'`"
+ ;;
+esac
+
+# libiberty-linker-plugin is special: it doesn't have its own source directory,
+# so we have to add it after the preceding checks.
+if test x"$extra_linker_plugin_flags$extra_linker_plugin_configure_flags" != x
+then
+ case " $configdirs " in
+ *" libiberty "*)
+ # If we can build libiberty, we can also build libiberty-linker-plugin.
+ configdirs="$configdirs libiberty-linker-plugin"
+ extra_linker_plugin_configure_flags="$extra_linker_plugin_configure_flags \
+ --with-libiberty=../libiberty-linker-plugin";;
+ *)
+ AC_MSG_ERROR([libiberty missing]);;
+ esac
+fi
+
+# Sometimes we have special requirements for the host libiberty.
+extra_host_libiberty_configure_flags=
+extra_host_zlib_configure_flags=
+case " $configdirs " in
+ *" lto-plugin "* | *" libcc1 "*)
+ # When these are to be built as shared libraries, the same applies to
+ # libiberty.
+ extra_host_libiberty_configure_flags=--enable-shared
+ ;;
+ *" bfd "*)
+ # When bfd is to be built as a shared library, the same applies to
+ # zlib.
+ if test "$enable_shared" = "yes"; then
+ extra_host_zlib_configure_flags=--enable-host-shared
+ fi
+ ;;
+esac
+AC_SUBST(extra_host_libiberty_configure_flags)
+AC_SUBST(extra_host_zlib_configure_flags)
+
# Produce a warning message for the subdirs we can't configure.
# This isn't especially interesting in the Cygnus tree, but in the individual
# FSF releases, it's important to let people know when their machine isn't
# gcc) are built with "-O2 -g", so include those options when setting
# CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET.
if test "x$CFLAGS_FOR_TARGET" = x; then
- CFLAGS_FOR_TARGET=$CFLAGS
- case " $CFLAGS " in
- *" -O2 "*) ;;
- *) CFLAGS_FOR_TARGET="-O2 $CFLAGS" ;;
- esac
- case " $CFLAGS " in
- *" -g "* | *" -g3 "*) ;;
- *) CFLAGS_FOR_TARGET="-g $CFLAGS" ;;
- esac
+ if test "x${is_cross_compiler}" = xyes; then
+ CFLAGS_FOR_TARGET="-g -O2"
+ else
+ CFLAGS_FOR_TARGET=$CFLAGS
+ case " $CFLAGS " in
+ *" -O2 "*) ;;
+ *) CFLAGS_FOR_TARGET="-O2 $CFLAGS_FOR_TARGET" ;;
+ esac
+ case " $CFLAGS " in
+ *" -g "* | *" -g3 "*) ;;
+ *) CFLAGS_FOR_TARGET="-g $CFLAGS_FOR_TARGET" ;;
+ esac
+ fi
fi
AC_SUBST(CFLAGS_FOR_TARGET)
if test "x$CXXFLAGS_FOR_TARGET" = x; then
- CXXFLAGS_FOR_TARGET=$CXXFLAGS
- case " $CXXFLAGS " in
- *" -O2 "*) ;;
- *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS" ;;
- esac
- case " $CXXFLAGS " in
- *" -g "* | *" -g3 "*) ;;
- *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS" ;;
- esac
+ if test "x${is_cross_compiler}" = xyes; then
+ CXXFLAGS_FOR_TARGET="-g -O2"
+ else
+ CXXFLAGS_FOR_TARGET=$CXXFLAGS
+ case " $CXXFLAGS " in
+ *" -O2 "*) ;;
+ *) CXXFLAGS_FOR_TARGET="-O2 $CXXFLAGS_FOR_TARGET" ;;
+ esac
+ case " $CXXFLAGS " in
+ *" -g "* | *" -g3 "*) ;;
+ *) CXXFLAGS_FOR_TARGET="-g $CXXFLAGS_FOR_TARGET" ;;
+ esac
+ fi
fi
AC_SUBST(CXXFLAGS_FOR_TARGET)
+AC_SUBST(LDFLAGS_FOR_TARGET)
+
# Handle --with-headers=XXX. If the value is not "yes", the contents of
# the named directory are copied to $(tooldir)/sys-include.
if test x"${with_headers}" != x && test x"${with_headers}" != xno ; then
# have requested that this magic not happen.
#
# The command line options always override the explicit settings in
-# configure.in, and the settings in configure.in override this magic.
+# configure.ac, and the settings in configure.ac override this magic.
#
# If the default for a toolchain is to use GNU as and ld, and you don't
# want to do that, then you should use the --without-gnu-as and
spu-*-*)
target_makefile_frag="config/mt-spu"
;;
- mips*-sde-elf*)
+ mips*-sde-elf* | mips*-mti-elf* | mips*-img-elf*)
target_makefile_frag="config/mt-sde"
;;
mipsisa*-*-elfoabi*)
mips*-*-*linux* | mips*-*-gnu*)
target_makefile_frag="config/mt-mips-gnu"
;;
+ nios2-*-elf*)
+ target_makefile_frag="config/mt-nios2-elf"
+ ;;
*-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-kopensolaris*-gnu)
target_makefile_frag="config/mt-gnu"
;;
extra_arflags_for_target=" -X32_64"
extra_nmflags_for_target=" -B -X32_64"
;;
- *-*-darwin[[3-9]]*)
- # ranlib before Darwin10 requires the -c flag to look at common symbols.
- extra_ranlibflags_for_target=" -c"
- ;;
esac
alphaieee_frag=/dev/null
:d30v-*)
ospace_frag="config/mt-d30v"
;;
- :m32r-* | :d10v-* | :fr30-*)
+ :m32r-* | :d10v-* | :fr30-* | :i?86*-*-elfiamcu)
ospace_frag="config/mt-ospace"
;;
no:* | :*)
;;
esac
-# Default to using --with-stabs for certain targets.
-if test x${with_stabs} = x ; then
- case "${target}" in
- mips*-*-irix[[56]]*)
- ;;
- mips*-*-* | alpha*-*-osf*)
- with_stabs=yes;
- extra_host_args="${extra_host_args} --with-stabs"
- ;;
- esac
-fi
-
-# hpux11 in 64bit mode has libraries in a weird place. Arrange to find
-# them automatically.
-case "${host}" in
- hppa*64*-*-hpux11*)
- extra_host_args="$extra_host_args -x-libraries=/usr/lib/pa20_64 -x-includes=/usr/X11R6/include"
- ;;
-esac
-
# Some systems (e.g., one of the i386-aix systems the gas testers are
# using) don't handle "\$" correctly, so don't use it here.
tooldir='${exec_prefix}'/${target_noncanonical}
esac
rm -f conftest*
-# The Solaris /usr/ucb/cc compiler does not appear to work.
-case "${host}" in
- sparc-sun-solaris2*)
- CCBASE="`echo ${CC-cc} | sed 's/ .*$//'`"
- if test "`type $CCBASE | sed 's/^[[^/]]*//'`" = "/usr/ucb/cc" ; then
- could_use=
- test -d /opt/SUNWspro/bin && could_use="/opt/SUNWspro/bin"
- if test -d /opt/cygnus/bin ; then
- if test "$could_use" = "" ; then
- could_use="/opt/cygnus/bin"
- else
- could_use="$could_use or /opt/cygnus/bin"
- fi
- fi
- if test "$could_use" = "" ; then
- echo "Warning: compilation may fail because you're using"
- echo "/usr/ucb/cc. You should change your PATH or CC "
- echo "variable and rerun configure."
- else
- echo "Warning: compilation may fail because you're using"
- echo "/usr/ucb/cc, when you should use the C compiler from"
- echo "$could_use. You should change your"
- echo "PATH or CC variable and rerun configure."
- fi
- fi
- ;;
-esac
-
# Decide which environment variable is used to find dynamic libraries.
case "${host}" in
*-*-hpux*) RPATH_ENVVAR=SHLIB_PATH ;;
GCC_SHLIB_SUBDIR=
fi
+# Adjust the toplevel makefile according to whether bootstrap was selected.
+case $enable_bootstrap in
+ yes)
+ bootstrap_suffix=bootstrap
+ BUILD_CONFIG=bootstrap-debug
+ ;;
+ no)
+ bootstrap_suffix=no-bootstrap
+ BUILD_CONFIG=
+ ;;
+esac
+
+AC_MSG_CHECKING(for default BUILD_CONFIG)
+
+AC_ARG_WITH([build-config],
+ [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
+ [use config/NAME.mk build configuration])],
+ [case $with_build_config in
+ yes) with_build_config= ;;
+ no) with_build_config= BUILD_CONFIG= ;;
+ esac])
+
+if test "x${with_build_config}" != x; then
+ BUILD_CONFIG=$with_build_config
+else
+ case $BUILD_CONFIG in
+ bootstrap-debug)
+ if echo "int f (void) { return 0; }" > conftest.c &&
+ ${CC} -c conftest.c &&
+ mv conftest.o conftest.o.g0 &&
+ ${CC} -c -g conftest.c &&
+ mv conftest.o conftest.o.g &&
+ ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
+ :
+ else
+ BUILD_CONFIG=
+ fi
+ rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
+ ;;
+ esac
+fi
+AC_MSG_RESULT($BUILD_CONFIG)
+AC_SUBST(BUILD_CONFIG)
+
+# Use same top-level configure hooks in libgcc/libstdc++/libvtv.
+AC_MSG_CHECKING([for --enable-vtable-verify])
+AC_ARG_ENABLE(vtable-verify,
+[AS_HELP_STRING([--enable-vtable-verify],
+ [Enable vtable verification feature])],
+[case "$enableval" in
+ yes) enable_vtable_verify=yes ;;
+ no) enable_vtable_verify=no ;;
+ *) enable_vtable_verify=no;;
+ esac],
+[enable_vtable_verify=no])
+AC_MSG_RESULT($enable_vtable_verify)
+
# Record target_configdirs and the configure arguments for target and
# build configuration in Makefile.
target_configdirs=`echo "${target_configdirs}" | sed -e 's/target-//g'`
build_configdirs=`echo "${build_configdirs}" | sed -e 's/build-//g'`
+bootstrap_fixincludes=no
# If we are building libgomp, bootstrap it.
if echo " ${target_configdirs} " | grep " libgomp " > /dev/null 2>&1 ; then
bootstrap_target_libs=${bootstrap_target_libs}target-libgomp,
fi
+# If we are building libsanitizer and $BUILD_CONFIG contains bootstrap-asan
+# or bootstrap-ubsan, bootstrap it.
+if echo " ${target_configdirs} " | grep " libsanitizer " > /dev/null 2>&1; then
+ case "$BUILD_CONFIG" in
+ *bootstrap-asan* | *bootstrap-ubsan* )
+ bootstrap_target_libs=${bootstrap_target_libs}target-libsanitizer,
+ bootstrap_fixincludes=yes
+ ;;
+ esac
+fi
+
+# If we are building libvtv and --enable-vtable-verify, bootstrap it.
+if echo " ${target_configdirs} " | grep " libvtv " > /dev/null 2>&1 &&
+ test "$enable_vtable_verify" != no; then
+ bootstrap_target_libs=${bootstrap_target_libs}target-libvtv,
+fi
+
+# If we are building libmpx, bootstrap it.
+if echo " ${target_configdirs} " | grep " libmpx " > /dev/null 2>&1; then
+ bootstrap_target_libs=${bootstrap_target_libs}target-libmpx,
+fi
+
# Determine whether gdb needs tk/tcl or not.
# Use 'maybe' since enable_gdbtk might be true even if tk isn't available
# and in that case we want gdb to be built without tk. Ugh!
# 99 commands in a script, for HP-UX sed.
# Do not nest @if/@endif pairs, because configure will not warn you at all.
-AC_ARG_ENABLE([bootstrap],
-[AS_HELP_STRING([--enable-bootstrap],
- [enable bootstrapping @<:@yes if native build@:>@])],,
-enable_bootstrap=default)
-
-# Issue errors and warnings for invalid/strange bootstrap combinations.
-case "$configdirs" in
- *gcc*) have_compiler=yes ;;
- *) have_compiler=no ;;
-esac
-
-case "$have_compiler:$host:$target:$enable_bootstrap" in
- *:*:*:no) ;;
-
- # Default behavior. Enable bootstrap if we have a compiler
- # and we are in a native configuration.
- yes:$build:$build:default)
- enable_bootstrap=yes ;;
-
- *:*:*:default)
- enable_bootstrap=no ;;
-
- # We have a compiler and we are in a native configuration, bootstrap is ok
- yes:$build:$build:yes)
- ;;
-
- # Other configurations, but we have a compiler. Assume the user knows
- # what he's doing.
- yes:*:*:yes)
- AC_MSG_WARN([trying to bootstrap a cross compiler])
- ;;
-
- # No compiler: if they passed --enable-bootstrap explicitly, fail
- no:*:*:yes)
- AC_MSG_ERROR([cannot bootstrap without a compiler]) ;;
-
- # Fail if wrong command line
- *)
- AC_MSG_ERROR([invalid option for --enable-bootstrap])
- ;;
-esac
-
-case ",$enable_languages,:$ENABLE_BUILD_WITH_CXX:$enable_bootstrap" in
- *,c++,*:yes:yes) ;;
- *:yes:yes)
- AC_MSG_ERROR([bootstrapping with --enable-build-with-cxx requires c++ in --enable-languages])
- ;;
-esac
-
case "$enable_bootstrap:$ENABLE_GOLD: $configdirs :,$stage1_languages," in
yes:yes:*\ gold\ *:*,c++,*) ;;
yes:yes:*\ gold\ *:*)
;;
esac
-# Adjust the toplevel makefile according to whether bootstrap was selected.
-case $enable_bootstrap in
- yes)
- bootstrap_suffix=bootstrap
- BUILD_CONFIG=bootstrap-debug
- ;;
- no)
- bootstrap_suffix=no-bootstrap
- BUILD_CONFIG=
- ;;
-esac
-
-AC_MSG_CHECKING(for default BUILD_CONFIG)
-
-AC_ARG_WITH([build-config],
- [AS_HELP_STRING([--with-build-config='NAME NAME2...'],
- [use config/NAME.mk build configuration])],
- [case $with_build_config in
- yes) with_build_config= ;;
- no) with_build_config= BUILD_CONFIG= ;;
- esac])
-
-if test "x${with_build_config}" != x; then
- BUILD_CONFIG=$with_build_config
-else
- case $BUILD_CONFIG in
- bootstrap-debug)
- if echo "int f (void) { return 0; }" > conftest.c &&
- ${CC} -c conftest.c &&
- mv conftest.o conftest.o.g0 &&
- ${CC} -c -g conftest.c &&
- mv conftest.o conftest.o.g &&
- ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
- :
- else
- BUILD_CONFIG=
- fi
- rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
- ;;
- esac
-fi
-AC_MSG_RESULT($BUILD_CONFIG)
-AC_SUBST(BUILD_CONFIG)
-
extrasub_build=
for module in ${build_configdirs} ; do
if test -z "${no_recursion}" \
fi
done
fi
+ case ${module},${bootstrap_fixincludes} in
+ fixincludes,no) host_bootstrap_suffix=no-bootstrap ;;
+ *) host_bootstrap_suffix=$bootstrap_suffix ;;
+ esac
extrasub_host="$extrasub_host
/^@if $module\$/d
/^@endif $module\$/d
-/^@if $module-$bootstrap_suffix\$/d
-/^@endif $module-$bootstrap_suffix\$/d"
+/^@if $module-$host_bootstrap_suffix\$/d
+/^@endif $module-$host_bootstrap_suffix\$/d"
done
extrasub_target=
for module in ${target_configdirs} ; do
changequote([,])
case $lib in
- mpc | mpfr | gmp | ppl | cloog)
+ mpc | mpfr | gmp | isl)
# If we're processing --with-$lib, --with-$lib-include or
# --with-$lib-lib, for one of the libs above, and target is
# different from host, don't pass the current argument to any
# For the build-side libraries, we just need to pretend we're native,
# and not use the same cache file. Multilibs are neither needed nor
-# desired.
-build_configargs="$build_configargs --cache-file=../config.cache ${baseargs}"
+# desired. We can't even use the same cache file for all build-side
+# libraries, as they're compiled differently; some with C, some with
+# C++ or with different feature-enabling options.
+build_configargs="$build_configargs --cache-file=./config.cache ${baseargs}"
# For host modules, accept cache file option, or specification as blank.
case "${cache_file}" in
target_configargs="--with-cross-host=${host_noncanonical} ${target_configargs}"
fi
+# Special user-friendly check for native x86_64-linux build, if
+# multilib is not explicitly enabled.
+case "$target:$have_compiler:$host:$target:$enable_multilib" in
+ x86_64-*linux*:yes:$build:$build:)
+ # Make sure we have a development environment that handles 32-bit
+ dev64=no
+ echo "int main () { return 0; }" > conftest.c
+ ${CC} -m32 -o conftest ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} conftest.c
+ if test $? = 0 ; then
+ if test -s conftest || test -s conftest.exe ; then
+ dev64=yes
+ fi
+ fi
+ rm -f conftest*
+ if test x${dev64} != xyes ; then
+ AC_MSG_ERROR([I suspect your system does not have 32-bit development libraries (libc and headers). If you have them, rerun configure with --enable-multilib. If you do not have them, and want to build a 64-bit-only compiler, rerun configure with --disable-multilib.])
+ fi
+ ;;
+esac
+
# Default to --enable-multilib.
if test x${enable_multilib} = x ; then
target_configargs="--enable-multilib ${target_configargs}"
*" --with-newlib "*)
case "$target" in
*-cygwin*)
- FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/include -isystem $$s/winsup/cygwin/include -isystem $$s/winsup/w32api/include'
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/cygwin -isystem $$s/winsup/cygwin/include'
;;
esac
AC_CHECK_PROGS([YACC], ['bison -y' byacc yacc], [$MISSING bison -y])
case " $build_configdirs " in
*" bison "*) YACC='$$r/$(BUILD_SUBDIR)/bison/tests/bison -y' ;;
- *" byacc "*) YACC='$$r/$(BUILD_SUBDIR)/byacc/byacc' ;;
esac
AC_CHECK_PROGS([BISON], [bison], [$MISSING bison])
NCN_STRICT_CHECK_TOOLS(WINDMC, windmc)
NCN_STRICT_CHECK_TOOLS(OBJCOPY, objcopy)
NCN_STRICT_CHECK_TOOLS(OBJDUMP, objdump)
+NCN_STRICT_CHECK_TOOLS(READELF, readelf)
AC_SUBST(CC)
AC_SUBST(CXX)
AC_SUBST(CFLAGS)
ACX_CHECK_INSTALLED_TARGET_TOOL(LD_FOR_TARGET, ld)
ACX_CHECK_INSTALLED_TARGET_TOOL(LIPO_FOR_TARGET, lipo)
ACX_CHECK_INSTALLED_TARGET_TOOL(NM_FOR_TARGET, nm)
+ACX_CHECK_INSTALLED_TARGET_TOOL(OBJCOPY_FOR_TARGET, objcopy)
ACX_CHECK_INSTALLED_TARGET_TOOL(OBJDUMP_FOR_TARGET, objdump)
ACX_CHECK_INSTALLED_TARGET_TOOL(RANLIB_FOR_TARGET, ranlib)
+ACX_CHECK_INSTALLED_TARGET_TOOL(READELF_FOR_TARGET, readelf)
ACX_CHECK_INSTALLED_TARGET_TOOL(STRIP_FOR_TARGET, strip)
ACX_CHECK_INSTALLED_TARGET_TOOL(WINDRES_FOR_TARGET, windres)
ACX_CHECK_INSTALLED_TARGET_TOOL(WINDMC_FOR_TARGET, windmc)
GCC_TARGET_TOOL(cc, CC_FOR_TARGET, CC, [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
dnl see comments for CXX_FOR_TARGET_FLAG_TO_PASS
GCC_TARGET_TOOL(c++, CXX_FOR_TARGET, CXX,
- [gcc/g++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
+ [gcc/xg++ -B$$r/$(HOST_SUBDIR)/gcc/ -nostdinc++ `if test -f $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags; then $(SHELL) $$r/$(TARGET_SUBDIR)/libstdc++-v3/scripts/testsuite_flags --build-includes; else echo -funconfigured-libstdc++-v3 ; fi` -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
c++)
GCC_TARGET_TOOL(c++ for libstdc++, RAW_CXX_FOR_TARGET, CXX,
- [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs],
+ [gcc/xgcc -shared-libgcc -B$$r/$(HOST_SUBDIR)/gcc -nostdinc++ -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/src/.libs -L$$r/$(TARGET_SUBDIR)/libstdc++-v3/libsupc++/.libs],
c++)
GCC_TARGET_TOOL(dlltool, DLLTOOL_FOR_TARGET, DLLTOOL, [binutils/dlltool])
GCC_TARGET_TOOL(gcc, GCC_FOR_TARGET, , [gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/])
GCC_TARGET_TOOL(ld, LD_FOR_TARGET, LD, [ld/ld-new])
GCC_TARGET_TOOL(lipo, LIPO_FOR_TARGET, LIPO)
GCC_TARGET_TOOL(nm, NM_FOR_TARGET, NM, [binutils/nm-new])
+GCC_TARGET_TOOL(objcopy, OBJCOPY_FOR_TARGET, OBJCOPY, [binutils/objcopy])
GCC_TARGET_TOOL(objdump, OBJDUMP_FOR_TARGET, OBJDUMP, [binutils/objdump])
GCC_TARGET_TOOL(ranlib, RANLIB_FOR_TARGET, RANLIB, [binutils/ranlib])
+GCC_TARGET_TOOL(readelf, READELF_FOR_TARGET, READELF, [binutils/readelf])
GCC_TARGET_TOOL(strip, STRIP_FOR_TARGET, STRIP, [binutils/strip-new])
GCC_TARGET_TOOL(windres, WINDRES_FOR_TARGET, WINDRES, [binutils/windres])
GCC_TARGET_TOOL(windmc, WINDMC_FOR_TARGET, WINDMC, [binutils/windmc])
esac ;;
esac
-# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
-if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
- saved_CFLAGS="$CFLAGS"
-
- # Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
- CFLAGS="$CFLAGS -fkeep-inline-functions"
- AC_MSG_CHECKING([whether -fkeep-inline-functions is supported])
- AC_TRY_COMPILE([
-#if (__GNUC__ < 3) \
- || (__GNUC__ == 3 && (__GNUC_MINOR__ < 3 \
- || (__GNUC_MINOR__ == 3 && __GNUC_PATCHLEVEL__ < 1)))
-#error http://gcc.gnu.org/PR29382
-#endif
- ],,
- [AC_MSG_RESULT([yes]); stage1_cflags="$stage1_cflags -fkeep-inline-functions"],
- [AC_MSG_RESULT([no])])
-
- CFLAGS="$saved_CFLAGS"
-fi
-
AC_SUBST(stage1_cflags)
# Enable --enable-checking in stage1 of the compiler.
[choose additional checking for stage1 of the compiler])],
[stage1_checking=--enable-checking=${enable_stage1_checking}],
[if test "x$enable_checking" = xno || test "x$enable_checking" = x; then
- stage1_checking=--enable-checking=yes,types
+ # For --disable-checking or implicit --enable-checking=release, avoid
+ # setting --enable-checking=gc in the default stage1 checking for LTO
+ # bootstraps. See PR62077.
+ stage1_checking=--enable-checking=release,misc,gimple,rtlflag,tree,types
+ case $BUILD_CONFIG in
+ *lto*)
+ if test "x$enable_checking" = x && \
+ test -d ${srcdir}/gcc && \
+ test x"`cat ${srcdir}/gcc/DEV-PHASE`" = xexperimental; then
+ stage1_checking=--enable-checking=yes,types
+ fi;;
+ *) stage1_checking=--enable-checking=yes,types;;
+ esac
else
stage1_checking=--enable-checking=$enable_checking,types
fi])
esac
AC_SUBST(stage2_werror_flag)
+# Enable --enable-host-shared.
+AC_ARG_ENABLE(host-shared,
+[AS_HELP_STRING([--enable-host-shared],
+ [build host code as shared libraries])],
+[host_shared=$enableval], [host_shared=no])
+AC_SUBST(host_shared)
+
+# PR jit/64780: Require the user to explicitly specify
+# --enable-host-shared if the jit is enabled, hinting
+# that they might want to do a separate configure/build of
+# the jit, to avoid users from slowing down the rest of the
+# compiler by enabling the jit.
+if test ${host_shared} = "no" ; then
+ case "${enable_languages}" in
+ *jit*)
+ AC_MSG_ERROR([
+Enabling language "jit" requires --enable-host-shared.
+
+--enable-host-shared typically slows the rest of the compiler down by
+a few %, so you must explicitly enable it.
+
+If you want to build both the jit and the regular compiler, it is often
+best to do this via two separate configure/builds, in separate
+directories, to avoid imposing the performance cost of
+--enable-host-shared on the regular compiler.])
+ ;;
+ *)
+ ;;
+ esac
+fi
+
# Specify what files to not compare during bootstrap.
compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
case "$target" in
hppa*64*-*-hpux*) ;;
hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
-esac
-case " $configdirs " in
-*" ppl "*) compare_exclusions="$compare_exclusions | ppl/src/ppl-config.o" ;;
+ powerpc*-ibm-aix*) compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/* | *libgomp*\$(objext)" ;;
esac
AC_SUBST(compare_exclusions)