m4_include(config/acx.m4)
m4_include(config/override.m4)
m4_include(config/proginstall.m4)
+m4_include(config/elf.m4)
+m4_include([libtool.m4])
+m4_include([ltoptions.m4])
+m4_include([ltsugar.m4])
+m4_include([ltversion.m4])
+m4_include([lt~obsolete.m4])
AC_INIT(move-if-change)
AC_PREREQ(2.64)
# 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 libiconv"
+host_libs="intl mmalloc libiberty opcodes bfd readline tcl tk itcl libgui zlib libcpp libdecnumber gmp mpfr mpc ppl cloog libelf libiconv"
# these tools are built for the host environment
# Note, the powerpc-eabi build depends on sim occurring before gdb in order to
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="$noconfigdirs zlib"
+fi
+
# some tools are so dependent upon X11 that if we're not building with X,
# it's not even worth trying to configure, much less build, that tool.
# if the --with-newlib option has been given, because otherwise
# 'target-newlib' will appear in skipdirs.
;;
- i[[3456789]]86-*-mingw32*)
+ i[[3456789]]86-w64-mingw*)
+ noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
+ ;;
+ i[[3456789]]86-*-mingw*)
target_configdirs="$target_configdirs target-winsup"
noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
- ;;
+ ;;
x86_64-*-mingw*)
- target_configdirs="$target_configdirs target-winsup"
noconfigdirs="$noconfigdirs expect target-libgloss target-newlib ${libgcj}"
- ;;
+ ;;
*-*-cygwin*)
target_configdirs="$target_configdirs target-libtermcap target-winsup"
noconfigdirs="$noconfigdirs target-gperf target-libgloss"
elif test -d "$srcdir/newlib"; then
echo "Warning: winsup/cygwin is missing so newlib can't be built."
fi
- ;;
+ ;;
i[[3456789]]86-moss-msdos | i[[3456789]]86-*-moss* | \
i[[3456789]]86-*-uwin* | i[[3456789]]86-*-interix* )
;;
ENABLE_BUILD_WITH_CXX=$enableval,
ENABLE_BUILD_WITH_CXX=no)
+# Used for setting $lt_cv_objdir
+_LT_CHECK_OBJDIR
+
# Check for GMP, MPFR and MPC
-gmplibs="-lmpfr -lgmp"
+gmplibs="-lmpc -lmpfr -lgmp"
gmpinc=
have_gmp=no
-mpclibs=-lmpc
-mpcinc=
-have_mpc=no
# Specify a location for mpc
# check for this first so it ends up on the link line before mpfr.
AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
if test "x$with_mpc" != x; then
- mpclibs="-L$with_mpc/lib -lmpc"
- mpcinc="-I$with_mpc/include $mpcinc"
+ gmplibs="-L$with_mpc/lib $gmplibs"
+ gmpinc="-I$with_mpc/include $gmpinc"
fi
if test "x$with_mpc_include" != x; then
- mpcinc="-I$with_mpc_include $mpcinc"
+ gmpinc="-I$with_mpc_include $gmpinc"
fi
if test "x$with_mpc_lib" != x; then
- mpclibs="-L$with_mpc_lib -lmpc"
+ gmplibs="-L$with_mpc_lib $gmplibs"
fi
if test "x$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$$s/mpc/src '"$mpcinc"
+ gmplibs='-L$$r/$(HOST_SUBDIR)/mpc/src/'"$lt_cv_objdir $gmplibs"
+ gmpinc='-I$$s/mpc/src '"$gmpinc"
# Do not test the mpc version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below
# hence making the test fail.
- have_mpc=yes
+ have_gmp=yes
fi
# Specify a location for mpfr
if test "x$with_mpfr" != x; then
gmplibs="-L$with_mpfr/lib $gmplibs"
- gmpinc="-I$with_mpfr/include"
+ gmpinc="-I$with_mpfr/include $gmpinc"
fi
if test "x$with_mpfr_include" != x; then
- gmpinc="-I$with_mpfr_include"
+ gmpinc="-I$with_mpfr_include $gmpinc"
fi
if test "x$with_mpfr_lib" != x; then
gmplibs="-L$with_mpfr_lib $gmplibs"
fi
if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
- gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
+ gmplibs='-L$$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=$$s/mpfr'
+ extra_mpc_mpfr_configure_flags='--with-mpfr-include=$$s/mpfr --with-mpfr-lib=$$r/$(HOST_SUBDIR)/mpfr/'"$lt_cv_objdir"
# Do not test the mpfr version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below
gmplibs="-L$with_gmp_lib $gmplibs"
fi
if test "x$with_gmp$with_gmp_include$with_gmp_lib" = x && test -d ${srcdir}/gmp; then
- gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/gmp/_libs '"$gmplibs"
+ gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir $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'
+ extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/'"$lt_cv_objdir"
# 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
fi
# Check for the MPC header version.
- if test x"$have_mpc" != xyes ; then
- CFLAGS="$CFLAGS $mpcinc"
+ if test x"$have_gmp" = xyes ; then
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)
+ #if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
choke me
#endif
- ], [AC_MSG_RESULT([yes]); have_mpc=maybe],
- [AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
fi
# Now check the MPFR library.
if test x"$have_gmp" = xyes; then
saved_LIBS="$LIBS"
LIBS="$LIBS $gmplibs"
- AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
- AC_TRY_LINK([#include <gmp.h>
- #include <mpfr.h>],[
+ AC_MSG_CHECKING([for the correct version of the gmp/mpfr/mpc libraries])
+ AC_TRY_LINK([#include <mpc.h>],[
mpfr_t n;
mpfr_t x;
+ mpc_t c;
int t;
mpfr_init (n);
mpfr_init (x);
mpfr_atan2 (n, n, x, GMP_RNDN);
mpfr_erfc (n, x, GMP_RNDN);
mpfr_subnormalize (x, t, GMP_RNDN);
+ mpfr_clear(n);
+ mpfr_clear(x);
+ mpc_init2 (c, 53);
+ mpc_set_ui_ui (c, 1, 1, MPC_RNDNN);
+ mpc_cosh (c, c, MPC_RNDNN);
+ mpc_pow (c, c, c, MPC_RNDNN);
+ mpc_acosh (c, c, MPC_RNDNN);
+ mpc_clear (c);
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
LIBS="$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
- AC_MSG_ERROR([Building GCC requires GMP 4.2+ and MPFR 2.3.2+.
-Try the --with-gmp and/or --with-mpfr options to specify their locations.
-Copies of these libraries' source code can be found at their respective
-hosting sites as well as at ftp://gcc.gnu.org/pub/gcc/infrastructure/.
-See also http://gcc.gnu.org/install/prerequisites.html for additional info.
-If you obtained GMP and/or MPFR from a vendor distribution package, make
-sure that you have installed both the libraries and the header files.
-They may be located in separate packages.])
+ AC_MSG_ERROR([Building GCC requires GMP 4.2+, MPFR 2.3.2+ 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
+ftp://gcc.gnu.org/pub/gcc/infrastructure/. See also
+http://gcc.gnu.org/install/prerequisites.html for additional info. If
+you obtained GMP, MPFR and/or MPC from a vendor distribution package,
+make sure that you have installed both the libraries and the header
+files. They may be located in separate packages.])
fi
fi
-if test x$have_mpc != xyes ; then
- mpcinc=
- mpclibs=
-fi
-
-gmpinc="$mpcinc $gmpinc"
-gmplibs="$mpclibs $gmplibs"
-
# Flags needed for both GMP, MPFR and/or MPC.
AC_SUBST(gmplibs)
AC_SUBST(gmpinc)
[stage1_libs=$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,
[poststage1_libs=$with_host_libstdcxx])
AC_SUBST(poststage1_libs)
+# Linker flags to use for stage2 and later builds.
+AC_ARG_WITH(boot-ldflags,
+[ --with-boot-ldflags=FLAGS Linker flags for stage2 and later],
+[if test "$withval" = "no" -o "$withval" = "yes"; then
+ poststage1_ldflags=
+ else
+ poststage1_ldflags=$withval
+ fi],
+[poststage1_ldflags=
+ # With --enable-build-with-cxx, 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 "$ENABLE_BUILD_WITH_CXX" = "yes" -a "$poststage1_libs" = ""; then
+ poststage1_ldflags="-static-libstdc++ -static-libgcc"
+ fi])
+AC_SUBST(poststage1_ldflags)
+
# Check for PPL
ppl_major_version=0
ppl_minor_version=10
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],, with_ppl=no)
+ plus --with-ppl-lib=PATH/lib])
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])
no)
ppllibs=
;;
+ "" | yes)
+ ;;
*)
ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
pplinc="-I$with_ppl/include $pplinc"
- LIBS="$ppllibs $LIBS"
;;
esac
if test "x$with_ppl_include" != x; then
fi
if test "x$with_ppl_lib" != x; then
ppllibs="-L$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 '
- pplinc='-I$$r/$(HOST_SUBDIR)/ppl/include -I$$s/ppl/include '
- LIBS="$ppllibs $LIBS"
+ ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/'"$lt_cv_objdir"' -L$$r/$(HOST_SUBDIR)/ppl/src/'"$lt_cv_objdir"' -lppl_c -lppl -lgmpxx '
+ pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
+ enable_ppl_version_check=no
fi
AC_ARG_ENABLE(ppl-version-check,
ENABLE_PPL_CHECK=$enableval,
ENABLE_PPL_CHECK=yes)
-if test "${ENABLE_PPL_CHECK}" = "yes"; then
+if test "x$with_ppl" != "xno" -a "${ENABLE_PPL_CHECK}" = "yes"; then
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $pplinc $gmpinc"
AC_MSG_CHECKING([for version $ppl_major_version.$ppl_minor_version of PPL])
#if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
choke me
#endif
- ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ])
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
CFLAGS="$saved_CFLAGS"
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],, with_cloog=no)
+ plus --with-cloog-lib=PATH/lib])
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])
+if test "x$with_ppl" = "xno"; then
+ with_cloog=no
+fi
+
case $with_cloog in
no)
clooglibs=
clooginc=
;;
+ "" | yes)
+ ;;
*)
clooglibs="-L$with_cloog/lib -lcloog"
clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
- LIBS="$clooglibs $LIBS"
;;
esac
if test "x$with_cloog_include" != x; then
fi
if test "x$with_cloog_lib" != x; then
clooglibs="-L$with_cloog_lib -lcloog"
- LIBS="$clooglibs $LIBS"
fi
if test "x$with_cloog$with_cloog_include$with_cloog_lib" = x && test -d ${srcdir}/cloog; then
- clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/.libs -L$$r/$(HOST_SUBDIR)/cloog/_libs -lcloog '
+ clooglibs='-L$$r/$(HOST_SUBDIR)/cloog/'"$lt_cv_objdir"' -lcloog '
clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
- LIBS="$clooglibs $LIBS"
+ enable_cloog_version_check=no
fi
AC_ARG_ENABLE(cloog-version-check,
ENABLE_CLOOG_CHECK=$enableval,
ENABLE_CLOOG_CHECK=yes)
-if test "${ENABLE_CLOOG_CHECK}" = "yes"; then
+if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
- AC_MSG_CHECKING([for correct version of CLooG])
+ AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG])
AC_TRY_COMPILE([#include "cloog/cloog.h"],[
- #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15
+ #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
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)
+
+ACX_ELF_TARGET_IFELSE([],
+if test x"$default_enable_lto" = x"yes" ; then
+ enable_lto=no
+else
+ if test x"$enable_lto" = x"yes"; then
+ AC_MSG_ERROR([LTO support requires an ELF target.])
+ fi
+fi
+default_enable_lto=no)
+
+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])
+
+ saved_CFLAGS="$CFLAGS"
+ saved_CPPFLAGS="$CPPFLAGS"
+ saved_LIBS="$LIBS"
+
+ 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/lib -lelf '
+ libelfinc='-D__LIBELF_INTERNAL__ -I$$r/$(HOST_SUBDIR)/libelf/lib -I$$s/libelf/lib'
+ LIBS="$libelflibs $LIBS"
+
+ else
+
+ CFLAGS="$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="$saved_LIBS"
+
+ fi
+
+ # Flags needed for libelf.
+ AC_SUBST(libelflibs)
+ AC_SUBST(libelfinc)
+fi
+
# By default, C is the only stage 1 language.
stage1_languages=,c,
done
new_enable_languages=,c,
+
+ # If LTO is enabled, add the LTO front end.
+ extra_host_libiberty_configure_flags=
+ if test "$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 "$ENABLE_BUILD_WITH_CXX" = "yes"; then
+ if test "$language" = "c++" \
+ && test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
boot_language=yes
fi
fi
fi
-# Set with_gnu_as and with_gnu_ld as appropriate.
+# Set with_gnu_as, with_gnu_ld, and with_system_zlib as appropriate.
#
# This is done by determining whether or not the appropriate directory
# is available, and by checking whether or not specific configurations
#
# If the default for a toolchain is to use GNU as and ld, and you don't
# want to do that, then you should use the --without-gnu-as and
-# --without-gnu-ld options for the configure script.
+# --without-gnu-ld options for the configure script. Similarly, if
+# the default is to use the included zlib and you don't want to do that,
+# you should use the --with-system-zlib option for the configure script.
if test x${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.
case " $target_configargs " in
*" --with-newlib "*)
case "$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' ;;
+ *-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'
+ ;;
esac
# If we're not building GCC, don't discard standard headers.
esac
;;
esac
+
case "$target" in
-*-mingw*)
- # Can't be handled as Cygwin above since Mingw does not use newlib.
- FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include' ;;
+ x86_64-*mingw* | *-w64-mingw*)
+ # MinGW-w64 does not use newlib, nor does it use winsup. It may,
+ # however, use a symlink named 'mingw' in ${prefix} .
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L${prefix}/${target}/lib -L${prefix}/mingw/lib -isystem ${prefix}/${target}/include -isystem ${prefix}/mingw/include'
+ ;;
+ *-mingw*)
+ # MinGW can't be handled as Cygwin above since it does not use newlib.
+ FLAGS_FOR_TARGET=$FLAGS_FOR_TARGET' -L$$r/$(TARGET_SUBDIR)/winsup/mingw -L$$r/$(TARGET_SUBDIR)/winsup/w32api/lib -isystem $$s/winsup/mingw/include -isystem $$s/winsup/w32api/include'
+ ;;
esac
# Allow the user to override the flags for
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" ;;
+esac
AC_SUBST(compare_exclusions)
AC_CONFIG_FILES([Makefile],
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