#
# 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
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+# along with this program; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
##############################################################################
### WARNING: this file contains embedded tabs. Do not run untabify on this file.
m4_include(config/proginstall.m4)
AC_INIT(move-if-change)
-AC_PREREQ(2.59)
+AC_PREREQ(2.64)
+AC_DISABLE_OPTION_CHECKING
progname=$0
# if PWD already has a value, it is probably wrong.
AC_PROG_INSTALL
ACX_PROG_LN
AC_PROG_LN_S
+AC_PROG_SED
+AC_PROG_AWK
### we might need to use some other shell than /bin/sh for running subshells
### If we are on Windows, search for the shell. This will permit people
# 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 ppl cloog libiconv"
+host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libiconv"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
# Find the build and target subdir names.
GCC_TOPLEV_SUBDIRS
+# Be sure to cover against remnants of an in-tree build.
+if test $srcdir != . && test -d $srcdir/host-${host_noncanonical}; then
+ AC_MSG_ERROR([building out of tree but $srcdir contains host-${host_noncanonical}.
+Use a pristine source tree when building in a separate tree])
+fi
# Skipdirs are removed silently.
skipdirs=
noconfigdirs="$noconfigdirs gas"
fi
+use_included_zlib=
+# Make sure we don't let ZLIB be added if we didn't want it.
+if test x$with_system_zlib = xyes ; then
+ use_included_zlib=no
+ noconfigdirs="$noconfigdirs zlib"
+fi
+
# some tools are so dependent upon X11 that if we're not building with X,
# it's not even worth trying to configure, much less build, that tool.
noconfigdirs="$noconfigdirs ld gas gdb gprof"
noconfigdirs="$noconfigdirs sim target-rda"
;;
- i[[3456789]]86-*-darwin* | x86_64-*-darwin9*)
+ i[[3456789]]86-*-darwin*)
+ noconfigdirs="$noconfigdirs ld gprof"
+ noconfigdirs="$noconfigdirs sim target-rda"
+ ;;
+ x86_64-*-darwin[[912]]*)
noconfigdirs="$noconfigdirs ld gas gprof"
noconfigdirs="$noconfigdirs sim target-rda"
;;
noconfigdirs="$noconfigdirs target-libiberty target-libstdc++-v3 ${libgcj} target-libssp"
;;
bfin-*-*)
- noconfigdirs="$noconfigdirs gdb"
+ unsupported_languages="$unsupported_languages java"
+ noconfigdirs="$noconfigdirs target-boehm-gc gdb"
if test x${is_cross_compiler} != xno ; then
target_configdirs="${target_configdirs} target-bsp target-cygmon"
fi
;;
*-*-cygwin*)
target_configdirs="$target_configdirs target-libtermcap target-winsup"
- noconfigdirs="$noconfigdirs target-gperf target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs target-gperf target-libgloss"
# always build newlib if winsup directory is present.
if test -d "$srcdir/winsup/cygwin"; then
skipdirs=`echo " ${skipdirs} " | sed -e 's/ target-newlib / /'`
;;
powerpc-*-aix*)
# copied from rs6000-*-* entry
- noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
;;
powerpc*-*-winnt* | powerpc*-*-pe* | ppc*-*-pe)
target_configdirs="$target_configdirs target-winsup"
noconfigdirs="$noconfigdirs target-newlib gprof ${libgcj}"
;;
rs6000-*-aix*)
- noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp ${libgcj}"
+ noconfigdirs="$noconfigdirs gprof target-libgloss target-libssp target-newlib ${libgcj}"
;;
rs6000-*-*)
noconfigdirs="$noconfigdirs gprof ${libgcj}"
m68k-apollo-*)
noconfigdirs="$noconfigdirs ld binutils gprof target-libgloss ${libgcj}"
;;
+ microblaze*)
+ noconfigdirs="$noconfigdirs gprof ${libgcj}"
+ ;;
mips*-sde-elf*)
skipdirs="$skipdirs target-libiberty"
noconfigdirs="$noconfigdirs ${libgcj}"
i[[3456789]]86-*-msdosdjgpp*) ;; # don't add gprof back in
*) skipdirs=`echo " ${skipdirs} " | sed -e 's/ gprof / /'` ;;
esac
- noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
+ case "${target}" in
+ sh*-*-elf)
+ noconfigdirs="$noconfigdirs ${libgcj}" ;;
+ *)
+ noconfigdirs="$noconfigdirs target-libgloss ${libgcj}" ;;
+ esac
;;
sparclet-*-aout* | sparc86x-*-*)
libgloss_dir=sparc
ACX_PROG_GNAT
ACX_PROG_CMP_IGNORE_INITIAL
-# Check for GMP and MPFR
+# See if we are building gcc with C++.
+AC_ARG_ENABLE(build-with-cxx,
+[ --enable-build-with-cxx build with C++ compiler instead of C compiler],
+ENABLE_BUILD_WITH_CXX=$enableval,
+ENABLE_BUILD_WITH_CXX=no)
+
+# Check for GMP, MPFR and MPC
gmplibs="-lmpfr -lgmp"
gmpinc=
have_gmp=no
+mpclibs=-lmpc
+mpcinc=
+have_mpc=no
+
+# Specify a location for mpc
+# check for this first so it ends up on the link line before mpfr.
+AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
+ Equivalent to --with-mpc-include=PATH/include
+ plus --with-mpc-lib=PATH/lib])
+AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
+ specify directory for installed MPC include files])
+AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
+
+if test "x$with_mpc" != x; then
+ mpclibs="-L$with_mpc/lib -lmpc"
+ mpcinc="-I$with_mpc/include $mpcinc"
+fi
+if test "x$with_mpc_include" != x; then
+ mpcinc="-I$with_mpc_include $mpcinc"
+fi
+if test "x$with_mpc_lib" != x; then
+ mpclibs="-L$with_mpc_lib -lmpc"
+fi
+if test "x$with_mpc$with_mpc_include$with_mpc_lib" = x && test -d ${srcdir}/mpc; then
+ mpclibs='-L$$r/$(HOST_SUBDIR)/mpc/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/_libs -lmpc'
+ mpcinc='-I$$s/mpc/src '"$mpcinc"
+ # Do not test the mpc version. Assume that it is sufficient, since
+ # it is in the source tree, and the library has not been built yet
+ # but it would be included on the link line in the version check below
+ # hence making the test fail.
+ have_mpc=yes
+fi
# Specify a location for mpfr
# check for this first so it ends up on the link line before gmp.
if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
gmpinc='-I$$r/$(HOST_SUBDIR)/mpfr -I$$s/mpfr '"$gmpinc"
+ extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr'
# 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
if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
+ extra_mpfr_configure_flags='--with-gmp-build=$$r/$(HOST_SUBDIR)/gmp'
+ extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp'
# Do not test the gmp version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
+ # If we have GMP, check the MPFR version.
if test x"$have_gmp" = xyes; then
- saved_LIBS="$LIBS"
- LIBS="$LIBS $gmplibs"
dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
AC_MSG_CHECKING([for correct version of mpfr.h])
- AC_TRY_LINK([#include <gmp.h>
+ AC_TRY_COMPILE([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
choke me
#endif
+ ], AC_TRY_COMPILE([#include <gmp.h>
+ #include <mpfr.h>],[
+ #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
+ choke me
+ #endif
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
+ [AC_MSG_RESULT([no]); have_gmp=no])
+ fi
+
+ # Check for the MPC header version.
+ if test x"$have_mpc" != xyes ; then
+ CFLAGS="$CFLAGS $mpcinc"
+ AC_MSG_CHECKING([for the correct version of mpc.h])
+ AC_TRY_COMPILE([#include <mpc.h>],[
+ #if MPC_VERSION < MPC_VERSION_NUM (0,7,0)
+ choke me
+ #endif
+ ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
+ [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
+ fi
+
+ # Now check the MPFR library.
+ if test x"$have_gmp" = xyes; then
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $gmplibs"
+ AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
+ AC_TRY_LINK([#include <gmp.h>
+ #include <mpfr.h>],[
mpfr_t n;
mpfr_t x;
int t;
mpfr_atan2 (n, n, x, GMP_RNDN);
mpfr_erfc (n, x, GMP_RNDN);
mpfr_subnormalize (x, t, GMP_RNDN);
- ], [AC_TRY_LINK([#include <gmp.h>
- #include <mpfr.h>],[
- #if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
- choke me
- #endif
- mpfr_t n; mpfr_init(n);
- ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
- [AC_MSG_RESULT([no]); have_gmp=no])
- LIBS="$saved_LIBS"
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
+ LIBS="$saved_LIBS"
fi
+
+ if test x"$have_mpc" = xmaybe; then
+ saved_LIBS="$LIBS"
+ LIBS="$LIBS $mpclibs $gmplibs"
+ AC_MSG_CHECKING([for the correct version of the mpc library])
+ AC_TRY_LINK([#include <mpc.h>],[
+ mpc_t n;
+ mpc_init2 (n, 53);
+ mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
+ mpc_sin (n, n, MPC_RNDNN);
+ mpc_cos (n, n, MPC_RNDNN);
+ mpc_tan (n, n, MPC_RNDNN);
+ mpc_sinh (n, n, MPC_RNDNN);
+ mpc_cosh (n, n, MPC_RNDNN);
+ mpc_tanh (n, n, MPC_RNDNN);
+ mpc_exp (n, n, MPC_RNDNN);
+ mpc_log (n, n, MPC_RNDNN);
+ mpc_sqrt (n, n, MPC_RNDNN);
+ mpc_proj (n, n, MPC_RNDNN);
+ mpc_neg (n, n, MPC_RNDNN);
+ mpc_sqr (n, n, MPC_RNDNN);
+ mpc_pow (n, n, n, MPC_RNDNN);
+ mpc_clear (n);
+ ], [AC_MSG_RESULT([yes]); have_mpc=yes],
+ [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
+ LIBS="$saved_LIBS"
+ fi
+
CFLAGS="$saved_CFLAGS"
if test x$have_gmp != xyes; then
fi
fi
-# Flags needed for both GMP and/or MPFR
+if test x$have_mpc != xyes ; then
+ mpcinc=
+ mpclibs=
+fi
+
+gmpinc="$mpcinc $gmpinc"
+gmplibs="$mpclibs $gmplibs"
+
+# Flags needed for both GMP, MPFR and/or MPC.
AC_SUBST(gmplibs)
AC_SUBST(gmpinc)
+AC_SUBST(extra_mpfr_configure_flags)
+AC_SUBST(extra_mpc_gmp_configure_flags)
+AC_SUBST(extra_mpc_mpfr_configure_flags)
# Allow host libstdc++ to be specified for static linking with PPL.
AC_ARG_WITH(host-libstdcxx, [ --with-host-libstdcxx=L Use linker arguments L to link with libstdc++
;;
esac
+# Linker flags to use for stage1 or when not boostrapping.
+AC_ARG_WITH(stage1-ldflags,
+[ --with-stage1-ldflags=FLAGS Linker flags for stage1],
+[if test "$withval" = "no" -o "$withval" = "yes"; then
+ stage1_ldflags=
+ else
+ stage1_ldflags=$withval
+ fi],
+[stage1_ldflags=])
+AC_SUBST(stage1_ldflags)
+
+# Libraries to use for stage1 or when not bootstrapping.
+AC_ARG_WITH(stage1-libs,
+[ -with-stage1-libs=LIBS Libraries for stage1],
+[if test "$withval" = "no" -o "$withval" = "yes"; then
+ stage1_libs=
+ else
+ stage1_libs=$withval
+ fi],
+[stage1_libs=$with_host_libstdcxx])
+AC_SUBST(stage1_libs)
+
+# Linker flags to use for stage2 and later builds.
+AC_ARG_WITH(boot-ldflags,
+[ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
+[if test "$withval" = "no" -o "$withval" = "yes"; then
+ poststage1_ldflags=
+ else
+ poststage1_ldflags=$withval
+ fi],
+[if test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
+ poststage1_ldflags=-static-libstdc++
+ else
+ poststage1_ldflags=
+ fi])
+AC_SUBST(poststage1_ldflags)
+
+# Libraries to use for stage2 and later builds. This defaults to the
+# argument passed to --with-host-libstdcxx.
+AC_ARG_WITH(boot-libs,
+[ --with-boot-libs=LIBS Libraries for stage2 and later],
+[if test "$withval" = "no" -o "$withval" = "yes"; then
+ poststage1_libs=
+ else
+ poststage1_libs=$withval
+ fi],
+[poststage1_libs=$with_host_libstdcxx])
+AC_SUBST(poststage1_libs)
+
# Check for PPL
ppl_major_version=0
ppl_minor_version=10
-ppllibs=" -lppl_c -lppl -lgmpxx $with_host_libstdcxx "
+ppllibs=" -lppl_c -lppl -lgmpxx"
pplinc=
AC_ARG_WITH(ppl, [ --with-ppl=PATH Specify prefix directory for the installed PPL package
Equivalent to --with-ppl-include=PATH/include
- plus --with-ppl-lib=PATH/lib])
+ plus --with-ppl-lib=PATH/lib],, with_ppl=no)
AC_ARG_WITH(ppl_include, [ --with-ppl-include=PATH Specify directory for installed PPL include files])
AC_ARG_WITH(ppl_lib, [ --with-ppl-lib=PATH Specify the directory for the installed PPL library])
ppllibs=
;;
*)
- ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx $with_host_libstdcxx"
+ ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
pplinc="-I$with_ppl/include $pplinc"
LIBS="$ppllibs $LIBS"
;;
pplinc="-I$with_ppl_include $pplinc"
fi
if test "x$with_ppl_lib" != x; then
- ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx $with_host_libstdcxx"
+ ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
LIBS="$ppllibs $LIBS"
fi
if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
- ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '"$with_host_libstdcxx "
+ ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/.libs -L$$r/$(HOST_SUBDIR)/ppl/_libs -lppl_c -lppl -lgmpxx '
pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
LIBS="$ppllibs $LIBS"
fi
AC_ARG_WITH(cloog, [ --with-cloog=PATH Specify prefix directory for the installed CLooG-PPL package
Equivalent to --with-cloog-include=PATH/include
- plus --with-cloog-lib=PATH/lib])
+ plus --with-cloog-lib=PATH/lib],, with_cloog=no)
AC_ARG_WITH(cloog_include, [ --with-cloog-include=PATH Specify directory for installed CLooG include files])
AC_ARG_WITH(cloog_lib, [ --with-cloog-lib=PATH Specify the directory for the installed CLooG library])
AC_SUBST(clooglibs)
AC_SUBST(clooginc)
+# Check for LTO support.
+AC_ARG_ENABLE(lto,
+[ --enable-lto enable link time optimization support],
+enable_lto=$enableval,
+enable_lto=yes; default_enable_lto=yes)
+
+if test x"$enable_lto" = x"yes" ; then
+ # Make sure that libelf.h and gelf.h are available.
+ AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
+ Equivalent to --with-libelf-include=PATH/include
+ plus --with-libelf-lib=PATH/lib])
+
+ AC_ARG_WITH(libelf_include, [ --with-libelf-include=PATH Specify directory for installed libelf include files])
+
+ AC_ARG_WITH(libelf_lib, [ --with-libelf-lib=PATH Specify the directory for the installed libelf library])
+
+ case $with_libelf in
+ "")
+ libelflibs="-lelf"
+ libelfinc="-I/usr/include/libelf"
+ ;;
+ *)
+ libelflibs="-L$with_libelf/lib -lelf"
+ libelfinc="-I$with_libelf/include -I$with_libelf/include/libelf"
+ LIBS="$libelflibs $LIBS"
+ ;;
+ esac
+
+ if test "x$with_libelf_include" != x; then
+ libelfinc="-I$with_libelf_include"
+ fi
+
+ if test "x$with_libelf_lib" != x; then
+ libelflibs="-L$with_libelf_lib -lelf"
+ LIBS="$libelflibs $LIBS"
+ fi
+
+ if test "x$with_libelf$with_libelf_include$with_libelf_lib" = x \
+ && test -d ${srcdir}/libelf; then
+ libelflibs='-L$$r/$(HOST_SUBDIR)/libelf/.libs -L$$r/$(HOST_SUBDIR)/libelf/_libs -lelf '
+ libelfinc='-I$$r/$(HOST_SUBDIR)/libelf/include -I$$s/libelf/include'
+ LIBS="$libelflibs $LIBS"
+ fi
+
+ saved_CFLAGS="$CFLAGS"
+ saved_CPPFLAGS="$CPPFLAGS"
+ saved_LIBS="$LIBS"
+
+ CFLAGS="$CFLAGS $libelfinc"
+ CPPFLAGS="$CPPFLAGS $libelfinc"
+ LIBS="$LIBS $libelflibs"
+
+ AC_CHECK_HEADERS(libelf.h, [have_libelf_h=yes])
+ AC_CHECK_HEADERS(gelf.h, [have_gelf_h=yes])
+
+ AC_CHECK_HEADERS(libelf/libelf.h, [have_libelf_libelf_h=yes])
+ AC_CHECK_HEADERS(libelf/gelf.h, [have_libelf_gelf_h=yes])
+
+ # If we couldn't find libelf.h and the user forced it, emit an error.
+ if test x"$have_libelf_h" != x"yes" \
+ && test x"$have_libelf_libelf_h" != x"yes" ; then
+ if test x"$default_enable_lto" != x"yes" ; then
+ AC_MSG_ERROR([LTO support requires libelf.h or libelf/libelf.h.])
+ else
+ enable_lto=no
+ libelflibs=
+ libelfinc=
+ fi
+ fi
+
+ # If we couldn't find gelf.h and the user forced it, emit an error.
+ if test x"$have_gelf_h" != x"yes" \
+ && test x"$have_libelf_gelf_h" != x"yes" ; then
+ if test x"$default_enable_lto" != x"yes" ; then
+ AC_MSG_ERROR([LTO support requires gelf.h or libelf/gelf.h.])
+ else
+ enable_lto=no
+ libelflibs=
+ libelfinc=
+ fi
+ fi
+
+ # Check that the detected libelf has the functions we need. We cannot
+ # rely on just detecting the headers since they do not include
+ # versioning information. Add functions, if needed.
+ if test x"$enable_lto" = x"yes" ; then
+ AC_MSG_CHECKING([for the correct version of libelf])
+ AC_TRY_LINK(
+ [#include <libelf.h>],[
+ elf_errmsg (0);
+ elf_getscn (0, 0);
+ elf_nextscn (0, 0);
+ elf_strptr (0, 0, 0);
+ elf_getident (0, 0);
+ elf_getshdrstrndx (0, 0);
+ elf_begin (0, 0, 0);
+ elf_ndxscn (0);
+ elf_end (0);
+ ],
+ [AC_MSG_RESULT([yes]);],
+ [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
+ )
+
+ # If we couldn't enable LTO and the user forced it, emit an error.
+ if test x"$enable_lto" = x"no" \
+ && test x"$default_enable_lto" != x"yes" ; then
+ AC_MSG_ERROR([To enable LTO, GCC requires libelf v0.8.12+.
+Try the --with-libelf, --with-libelf-include and --with-libelf-lib options
+to specify its location.])
+ fi
+ fi
+
+ CFLAGS="$saved_CFLAGS"
+ CPPFLAGS="$saved_CPPFLAGS"
+ LIBS="$saved_LIBS"
+
+ # Flags needed for libelf.
+ AC_SUBST(libelflibs)
+ AC_SUBST(libelfinc)
+fi
+
# By default, C is the only stage 1 language.
stage1_languages=,c,
+# Target libraries that we bootstrap.
+bootstrap_target_libs=,target-libgcc,
+
# Figure out what language subdirectories are present.
# Look if the user specified --enable-languages="..."; if not, use
# the environment variable $LANGUAGES if defined. $LANGUAGES might
done
new_enable_languages=,c,
+
+ # If LTO is enabled, add the LTO front end.
+ extra_host_libiberty_configure_flags=
+ if test "$enable_lto" = "yes" ; then
+ case ,${enable_languages}, in
+ *,lto,*) ;;
+ *) enable_languages="${enable_languages},lto" ;;
+ esac
+ if test "${ENABLE_GOLD}" = "yes" ; then
+ configdirs="$configdirs lto-plugin"
+ extra_host_libiberty_configure_flags=--enable-shared
+ fi
+ fi
+ AC_SUBST(extra_host_libiberty_configure_flags)
+
missing_languages=`echo ",$enable_languages," | sed -e s/,all,/,/ -e s/,c,/,/ `
potential_languages=,c,
exit 1
fi
+ if test "$language" = "c++" -a "$ENABLE_BUILD_WITH_CXX" = "yes"; then
+ boot_language=yes
+ fi
+
case ,${enable_languages}, in
*,${language},*)
# Language was explicitly selected; include it.
new_enable_languages="${new_enable_languages}${language},"
potential_languages="${potential_languages}${language},"
missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
- case ${boot_language} in
- yes)
+ case "${boot_language}:,$enable_stage1_languages," in
+ yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
# Add to (comma-separated) list of stage 1 languages.
- stage1_languages="${stage1_languages}${language},"
+ case ",$stage1_languages," in
+ *,$language,* | ,yes, | ,all,) ;;
+ *) stage1_languages="${stage1_languages}${language}," ;;
+ esac
+ # We need to bootstrap any supporting libraries.
+ bootstrap_target_libs="${bootstrap_target_libs}${target_libs},"
;;
esac
;;
fi
fi
-# Set with_gnu_as and with_gnu_ld as appropriate.
+# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
#
# This is done by determining whether or not the appropriate directory
# is available, and by checking whether or not specific configurations
#
# 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
-# --without-gnu-ld options for the configure script.
+# --without-gnu-ld options for the configure script. Similarly, if
+# the default is to use the included zlib and you don't want to do that,
+# you should use the --with-system-zlib option for the configure script.
if test x${use_gnu_as} = x &&
echo " ${configdirs} " | grep " gas " > /dev/null 2>&1 ; then
extra_host_args="$extra_host_args --with-gnu-ld"
fi
+if test x${use_included_zlib} = x &&
+ echo " ${configdirs} " | grep " zlib " > /dev/null 2>&1 ; then
+ :
+else
+ with_system_zlib=yes
+ extra_host_args="$extra_host_args --with-system-zlib"
+fi
+
# If using newlib, add --with-newlib to the extra_host_args so that gcc/configure
# can detect this case.
# configuration, so that the top-level Makefile reconfigures them,
# like we used to do when configure itself was recursive.
-# Loop over modules. $extrasub must be used with care, limiting as
-# much as possible the usage of range addresses. That's because autoconf
-# splits the sed script to overcome limits in the number of commands,
-# and relying on carefully-timed sed passes may turn out to be very hard
-# to maintain later. In this particular case, you just have to be careful
-# not to nest @if/@endif pairs, because configure will not warn you at all.
+# Loop over modules. We used to use the "$extrasub" feature from Autoconf
+# but now we're fixing up the Makefile ourselves with the additional
+# commands passed to AC_CONFIG_FILES. Use separate variables
+# extrasub-{build,host,target} not because there is any reason to split
+# the substitutions up that way, but only to remain below the limit of
+# 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],
[ --enable-bootstrap enable bootstrapping @<:@yes if native build@:>@],,
;;
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\ *:*)
+ AC_MSG_ERROR([in a combined tree, bootstrapping with --enable-gold requires c++ in stage1_languages])
+ ;;
+esac
+
# Adjust the toplevel makefile according to whether bootstrap was selected.
-case "$enable_bootstrap" in
+case $enable_bootstrap in
yes)
- bootstrap_suffix=bootstrap ;;
+ bootstrap_suffix=bootstrap
+ BUILD_CONFIG=bootstrap-debug
+ ;;
no)
- bootstrap_suffix=no-bootstrap ;;
+ bootstrap_suffix=no-bootstrap
+ BUILD_CONFIG=
+ ;;
esac
+AC_MSG_CHECKING(for default BUILD_CONFIG)
+
+AC_ARG_WITH([build-config],
+ [--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 &&
+ ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g; then
+ :
+ else
+ BUILD_CONFIG=
+ fi
+ rm -f conftest.c conftest.o conftest.o.g0 conftest.o.g
+ ;;
+ esac
+fi
+AC_MSG_RESULT($BUILD_CONFIG)
+AC_SUBST(BUILD_CONFIG)
+
+extrasub_build=
for module in ${build_configdirs} ; do
if test -z "${no_recursion}" \
&& test -f ${build_subdir}/${module}/Makefile; then
echo 1>&2 "*** removing ${build_subdir}/${module}/Makefile to force reconfigure"
rm -f ${build_subdir}/${module}/Makefile
fi
- extrasub="$extrasub
+ extrasub_build="$extrasub_build
/^@if build-$module\$/d
/^@endif build-$module\$/d
/^@if build-$module-$bootstrap_suffix\$/d
/^@endif build-$module-$bootstrap_suffix\$/d"
done
+extrasub_host=
for module in ${configdirs} ; do
if test -z "${no_recursion}"; then
for file in stage*-${module}/Makefile prev-${module}/Makefile ${module}/Makefile; do
fi
done
fi
- extrasub="$extrasub
+ extrasub_host="$extrasub_host
/^@if $module\$/d
/^@endif $module\$/d
/^@if $module-$bootstrap_suffix\$/d
/^@endif $module-$bootstrap_suffix\$/d"
done
+extrasub_target=
for module in ${target_configdirs} ; do
if test -z "${no_recursion}" \
&& test -f ${target_subdir}/${module}/Makefile; then
echo 1>&2 "*** removing ${target_subdir}/${module}/Makefile to force reconfigure"
rm -f ${target_subdir}/${module}/Makefile
fi
- extrasub="$extrasub
+
+ # We only bootstrap target libraries listed in bootstrap_target_libs.
+ case $bootstrap_target_libs in
+ *,target-$module,*) target_bootstrap_suffix=$bootstrap_suffix ;;
+ *) target_bootstrap_suffix=no-bootstrap ;;
+ esac
+
+ extrasub_target="$extrasub_target
/^@if target-$module\$/d
/^@endif target-$module\$/d
-/^@if target-$module-$bootstrap_suffix\$/d
-/^@endif target-$module-$bootstrap_suffix\$/d"
+/^@if target-$module-$target_bootstrap_suffix\$/d
+/^@endif target-$module-$target_bootstrap_suffix\$/d"
done
-extrasub="$extrasub
+# Do the final fixup along with target modules.
+extrasub_target="$extrasub_target
/^@if /,/^@endif /d"
# Create the serialization dependencies. This uses a temporary file.
# Base args. Strip norecursion, cache-file, srcdir, host, build,
# target, nonopt, and variable assignments. These are the ones we
-# might not want to pass down to subconfigures. Also strip
-# program-prefix, program-suffix, and program-transform-name, so that
-# we can pass down a consistent program-transform-name.
+# might not want to pass down to subconfigures. The exception being
+# --cache-file=/dev/null, which is used to turn off the use of cache
+# files altogether, and which should be passed on to subconfigures.
+# Also strip program-prefix, program-suffix, and program-transform-name,
+# so that we can pass down a consistent program-transform-name.
baseargs=
keep_next=no
skip_next=no
esac
case "$ac_arg" in
+ --cache-file=/dev/null | \
+ -cache-file=/dev/null )
+ # Handled here to avoid the test to skip args below.
+ baseargs="$baseargs '$ac_arg'"
+ # Assert: $separate_arg should always be no.
+ keep_next=$separate_arg
+ ;;
--no*)
continue
;;
if test "$silent" = yes; then
baseargs="$baseargs --silent"
fi
+baseargs="$baseargs --disable-option-checking"
# For the build-side libraries, we just need to pretend we're native,
# and not use the same cache file. Multilibs are neither needed nor
esac
# This is aimed to mimic bootstrap with a non-GCC compiler to catch problems.
-if test "$GCC" = yes; then
+if test "$GCC" = yes -a "$ENABLE_BUILD_WITH_CXX" != yes; then
saved_CFLAGS="$CFLAGS"
# Pass -fkeep-inline-functions for stage 1 if the GCC version supports it.
esac
AC_SUBST(stage2_werror_flag)
-# Flags needed to enable html installing and building
-AC_ARG_WITH(datarootdir,
-[ --with-datarootdir use datarootdir as the data root directory.],
-[datarootdir="\${prefix}/${withval}"],
-[datarootdir="\${prefix}/share"])
-
-AC_ARG_WITH(docdir,
-[ --with-docdir install documentation in this directory.],
-[docdir="\${prefix}/${withval}"],
-[docdir="\${datarootdir}/doc"])
-
-AC_ARG_WITH(pdfdir,
-[ --with-pdfdir install pdf in this directory.],
-[pdfdir="\${prefix}/${withval}"],
-[pdfdir="\${docdir}"])
-
-AC_ARG_WITH(htmldir,
-[ --with-htmldir install html in this directory.],
-[htmldir="\${prefix}/${withval}"],
-[htmldir="\${docdir}"])
-
-AC_SUBST(datarootdir)
-AC_SUBST(docdir)
-AC_SUBST(pdfdir)
-AC_SUBST(htmldir)
-
-AC_OUTPUT(Makefile)
+# Specify what files to not compare during bootstrap.
+
+compare_exclusions="gcc/cc*-checksum\$(objext) | gcc/ada/*tools/*"
+case "$target" in
+ hppa*64*-*-hpux*) ;;
+ hppa*-*-hpux*) compare_exclusions="gcc/cc*-checksum\$(objext) | */libgcc/lib2funcs* | gcc/ada/*tools/*" ;;
+esac
+AC_SUBST(compare_exclusions)
+
+AC_CONFIG_FILES([Makefile],
+ [sed "$extrasub_build" Makefile |
+ sed "$extrasub_host" |
+ sed "$extrasub_target" > mf$$
+ mv -f mf$$ Makefile],
+ [extrasub_build="$extrasub_build"
+ extrasub_host="$extrasub_host"
+ extrasub_target="$extrasub_target"])
+AC_OUTPUT