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tentative_cc=gcc
;;
m88k-dg-dgux*)
tentative_cc="gcc -Wall -ansi -D__using_DGUX"
;;
m88k-harris-cxux*)
# Under CX/UX, we want to tell the compiler to use ANSI mode.
tentative_cc="cc -Xa"
host_makefile_frag="config/mh-cxux"
;;
m88k-motorola-sysv*)
;;
mips*-dec-ultrix*)
tentative_cc="cc -Wf,-XNg1000"
host_makefile_frag="config/mh-decstation"
;;
mips*-nec-sysv4*)
# The C compiler on NEC MIPS SVR4 needs bigger tables.
tentative_cc="cc -ZXNd=5000 -ZXNg=1000"
host_makefile_frag="config/mh-necv4"
;;
mips*-sgi-irix4*)
# Tell compiler to use K&R C. We can't compile under the SGI Ansi
# environment. Also bump switch table size so that cp-parse will
# compile. Bump string length limit so linker builds.
tentative_cc="cc -cckr -Wf,-XNg1500 -Wf,-XNk1000 -Wf,-XNh2000 -Wf,-XNl8192"
;;
mips*-*-sysv4*)
host_makefile_frag="config/mh-sysv4"
;;
mips*-*-sysv*)
# This is for a MIPS running RISC/os 4.52C.
# This is needed for GDB, but needs to be in the top-level make because
# if a library is compiled with the bsd headers and gets linked with the
# sysv system libraries all hell can break loose (e.g. a jmp_buf might be
# a different size).
# ptrace(2) apparently has problems in the BSD environment. No workaround is
# known except to select the sysv environment. Could we use /proc instead?
# These "sysv environments" and "bsd environments" often end up being a pain.
#
# This is not part of CFLAGS because perhaps not all C compilers have this
# option.
tentative_cc="cc -systype sysv"
;;
i370-ibm-opened*)
tentative_cc="c89"
;;
i[[3456789]]86-*-sysv5*)
host_makefile_frag="config/mh-sysv5"
;;
i[[3456789]]86-*-dgux*)
tentative_cc="gcc -Wall -ansi -D__using_DGUX"
host_makefile_frag="config/mh-dgux386"
;;
i[[3456789]]86-ncr-sysv4.3*)
# The MetaWare compiler will generate a copyright message unless you
# turn it off by adding the -Hnocopyr flag.
tentative_cc="cc -Hnocopyr"
;;
i[[3456789]]86-ncr-sysv4*)
# for an NCR 3000 (i486/SVR4) system.
# The NCR 3000 ships with a MetaWare compiler installed as /bin/cc.
# This compiler not only emits obnoxious copyright messages every time
# you run it, but it chokes and dies on a whole bunch of GNU source
# files. Default to using the AT&T compiler installed in /usr/ccs/ATT/cc.
tentative_cc="/usr/ccs/ATT/cc"
host_makefile_frag="config/mh-ncr3000"
;;
i[[3456789]]86-*-sco3.2v5*)
i[[3456789]]86-*-sco*)
# The native C compiler botches some simple uses of const. Unfortunately,
# it doesn't defined anything like "__sco__" for us to test for in ansidecl.h.
tentative_cc="cc -Dconst="
host_makefile_frag="config/mh-sco"
;;
i[[3456789]]86-*-udk*)
host_makefile_frag="config/mh-sysv5"
;;
i[[3456789]]86-*-solaris2*)
host_makefile_frag="config/mh-sysv4"
;;
i[[3456789]]86-*-msdosdjgpp*)
host_makefile_frag="config/mh-djgpp"
;;
*-cygwin*)
Nick Clifton
committed
ACX_CHECK_CYGWIN_CAT_WORKS
host_makefile_frag="config/mh-cygwin"
;;
host_makefile_frag="config/mh-mingw"
*-interix*)
host_makefile_frag="config/mh-interix"
;;
vax-*-ultrix2*)
# The old BSD pcc isn't up to compiling parts of gdb so use gcc
tentative_cc=gcc
;;
*-*-solaris2*)
host_makefile_frag="config/mh-solaris"
;;
m68k-sun-sunos*)
# Sun's C compiler needs the -J flag to be able to compile cp-parse.c
# without overflowing the jump tables (-J says to use a 32 bit table)
tentative_cc="cc -J"
;;
tentative_cc="cc -Wp,-H256000"
host_makefile_frag="config/mh-pa-hpux10"
hppa*-hp-hpux* | hppa*-*-hiux*)
tentative_cc="cc -Wp,-H256000"
host_makefile_frag="config/mh-pa"
;;
hppa*-*)
host_makefile_frag="config/mh-pa"
;;
*-hp-hpux* | *-*-hiux*)
tentative_cc="cc -Wp,-H256000"
;;
rs6000-*-lynxos*)
# /bin/cc is less than useful for our purposes. Always use GCC
tentative_cc="/usr/cygnus/progressive/bin/gcc"
host_makefile_frag="config/mh-lynxrs6k"
;;
host_makefile_frag="config/mh-ppc-darwin"
;;
powerpc-*-aix*)
host_makefile_frag="config/mh-ppc-aix"
;;
rs6000-*-aix*)
host_makefile_frag="config/mh-ppc-aix"
;;
*-*-lynxos*)
# /bin/cc is less than useful for our purposes. Always use GCC
tentative_cc="/bin/gcc"
;;
*-*-sysv4*)
host_makefile_frag="config/mh-sysv4"
;;
# This is placed last to prevent interfering with the cases above.
i[[3456789]]86-*-*)
# Build the stage2 and stage3 compilers with -fomit-frame-pointer.
host_makefile_frag="config/mh-x86omitfp"
;;
# If we aren't going to be using gcc, see if we can extract a definition
# of CC from the fragment.
# Actually, use the 'pre-extracted' version above.
if test -z "${CC}" && test "${build}" = "${host}" ; then
IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}:"
found=
for dir in $PATH; do
test -z "$dir" && dir=.
if test -f $dir/gcc; then
found=yes
break
fi
done
IFS="$save_ifs"
if test -z "${found}" && test -n "${tentative_cc}" ; then
CC=$tentative_cc
fi
fi
if test "${build}" != "${host}" ; then
AR_FOR_BUILD=${AR_FOR_BUILD-ar}
AS_FOR_BUILD=${AS_FOR_BUILD-as}
CXX_FOR_BUILD=${CXX_FOR_BUILD-g++}
GCJ_FOR_BUILD=${GCJ_FOR_BUILD-gcj}
GFORTRAN_FOR_BUILD=${GFORTRAN_FOR_BUILD-gfortran}
DLLTOOL_FOR_BUILD=${DLLTOOL_FOR_BUILD-dlltool}
LD_FOR_BUILD=${LD_FOR_BUILD-ld}
NM_FOR_BUILD=${NM_FOR_BUILD-nm}
RANLIB_FOR_BUILD=${RANLIB_FOR_BUILD-ranlib}
WINDRES_FOR_BUILD=${WINDRES_FOR_BUILD-windres}
WINDMC_FOR_BUILD=${WINDMC_FOR_BUILD-windmc}
AR_FOR_BUILD="\$(AR)"
AS_FOR_BUILD="\$(AS)"
CXX_FOR_BUILD="\$(CXX)"
GCJ_FOR_BUILD="\$(GCJ)"
GFORTRAN_FOR_BUILD="\$(GFORTRAN)"
DLLTOOL_FOR_BUILD="\$(DLLTOOL)"
LD_FOR_BUILD="\$(LD)"
NM_FOR_BUILD="\$(NM)"
RANLIB_FOR_BUILD="\$(RANLIB)"
WINDRES_FOR_BUILD="\$(WINDRES)"
WINDMC_FOR_BUILD="\$(WINDMC)"
fi
AC_PROG_CC
AC_PROG_CXX
# We must set the default linker to the linker used by gcc for the correct
# operation of libtool. If LD is not defined and we are using gcc, try to
# set the LD default to the ld used by gcc.
if test -z "$LD"; then
if test "$GCC" = yes; then
case $build in
*-*-mingw*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1 | tr -d '\015'` ;;
*)
gcc_prog_ld=`$CC -print-prog-name=ld 2>&1` ;;
esac
case $gcc_prog_ld in
# Accept absolute paths.
[[\\/]* | [A-Za-z]:[\\/]*)]
LD="$gcc_prog_ld" ;;
esac
fi
ACX_PROG_CMP_IGNORE_INITIAL
# 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=$enableval,
ENABLE_BUILD_WITH_CXX=no)
# Check for GMP, MPFR and MPC
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mpcinc=
have_mpc=no
# Specify a location for mpc
# check for this first so it ends up on the link line before mpfr.
AC_ARG_WITH(mpc, [ --with-mpc=PATH specify prefix directory for installed MPC package.
Equivalent to --with-mpc-include=PATH/include
plus --with-mpc-lib=PATH/lib])
AC_ARG_WITH(mpc_include, [ --with-mpc-include=PATH
specify directory for installed MPC include files])
AC_ARG_WITH(mpc_lib, [ --with-mpc-lib=PATH specify directory for the installed MPC library])
if test "x$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$$s/mpc/src '"$mpcinc"
# Do not test the mpc version. Assume that it is sufficient, since
# it is in the source tree, and the library has not been built yet
# but it would be included on the link line in the version check below
# hence making the test fail.
have_mpc=yes
fi
# Specify a location for mpfr
# check for this first so it ends up on the link line before gmp.
AC_ARG_WITH(mpfr-dir, [ --with-mpfr-dir=PATH this option has been REMOVED],
AC_MSG_ERROR([The --with-mpfr-dir=PATH option has been removed.
Use --with-mpfr=PATH or --with-mpfr-include=PATH plus --with-mpfr-lib=PATH]))
AC_ARG_WITH(mpfr, [ --with-mpfr=PATH specify prefix directory for installed MPFR package.
Equivalent to --with-mpfr-include=PATH/include
plus --with-mpfr-lib=PATH/lib])
AC_ARG_WITH(mpfr_include, [ --with-mpfr-include=PATH
specify directory for installed MPFR include files])
AC_ARG_WITH(mpfr_lib, [ --with-mpfr-lib=PATH specify directory for the installed MPFR library])
if test "x$with_mpfr" != x; then
gmplibs="-L$with_mpfr/lib $gmplibs"
gmpinc="-I$with_mpfr/include"
fi
if test "x$with_mpfr_include" != x; then
gmpinc="-I$with_mpfr_include"
fi
if test "x$with_mpfr_lib" != x; then
gmplibs="-L$with_mpfr_lib $gmplibs"
fi
if test "x$with_mpfr$with_mpfr_include$with_mpfr_lib" = x && test -d ${srcdir}/mpfr; then
gmplibs='-L$$r/$(HOST_SUBDIR)/mpfr/.libs -L$$r/$(HOST_SUBDIR)/mpfr/_libs '"$gmplibs"
gmpinc='-I$$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
# hence making the test fail.
have_gmp=yes
fi
# Specify a location for gmp
AC_ARG_WITH(gmp-dir, [ --with-gmp-dir=PATH this option has been REMOVED],
AC_MSG_ERROR([The --with-gmp-dir=PATH option has been removed.
Use --with-gmp=PATH or --with-gmp-include=PATH plus --with-gmp-lib=PATH]))
AC_ARG_WITH(gmp, [ --with-gmp=PATH specify prefix directory for the installed GMP package.
Equivalent to --with-gmp-include=PATH/include
plus --with-gmp-lib=PATH/lib])
AC_ARG_WITH(gmp_include, [ --with-gmp-include=PATH specify directory for installed GMP include files])
AC_ARG_WITH(gmp_lib, [ --with-gmp-lib=PATH specify directory for the installed GMP library])
if test "x$with_gmp" != x; then
gmplibs="-L$with_gmp/lib $gmplibs"
gmpinc="-I$with_gmp/include $gmpinc"
if test "x$with_gmp_include" != x; then
gmpinc="-I$with_gmp_include $gmpinc"
fi
if test "x$with_gmp_lib" != x; then
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"
gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp '"$gmpinc"
Kaveh R. Ghazi
committed
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
# hence making the test fail.
have_gmp=yes
fi
if test -d ${srcdir}/gcc && test "x$have_gmp" = xno; then
have_gmp=yes
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $gmpinc"
# Check GMP actually works
AC_MSG_CHECKING([for correct version of gmp.h])
AC_TRY_COMPILE([#include "gmp.h"],[
#if __GNU_MP_VERSION < 4 || (__GNU_MP_VERSION == 4 && __GNU_MP_VERSION_MINOR < 2)
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
# If we have GMP, check the MPFR version.
dnl MPFR 2.3.1 is acceptable, but MPFR 2.3.2 is better.
AC_TRY_COMPILE([#include <gmp.h>
#if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
], AC_TRY_COMPILE([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,3,2)
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
[AC_MSG_RESULT([no]); have_gmp=no])
fi
# Check for the MPC header version.
if test x"$have_mpc" != xyes ; then
CFLAGS="$CFLAGS $mpcinc"
AC_MSG_CHECKING([for the correct version of mpc.h])
AC_TRY_COMPILE([#include <mpc.h>],[
#if MPC_VERSION < MPC_VERSION_NUM (0,8,0)
choke me
#endif
], [AC_MSG_RESULT([yes]); have_mpc=maybe],
[AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
fi
# Now check the MPFR library.
if test x"$have_gmp" = xyes; then
saved_LIBS="$LIBS"
LIBS="$LIBS $gmplibs"
AC_MSG_CHECKING([for the correct version of the gmp/mpfr libraries])
AC_TRY_LINK([#include <gmp.h>
#include <mpfr.h>],[
mpfr_atan2 (n, n, x, GMP_RNDN);
mpfr_erfc (n, x, GMP_RNDN);
mpfr_subnormalize (x, t, GMP_RNDN);
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); have_gmp=no])
LIBS="$saved_LIBS"
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if test x"$have_mpc" = xmaybe; then
saved_LIBS="$LIBS"
LIBS="$LIBS $mpclibs $gmplibs"
AC_MSG_CHECKING([for the correct version of the mpc library])
AC_TRY_LINK([#include <mpc.h>],[
mpc_t n;
mpc_init2 (n, 53);
mpc_set_ui_ui (n, 1, 1, MPC_RNDNN);
mpc_sin (n, n, MPC_RNDNN);
mpc_cos (n, n, MPC_RNDNN);
mpc_tan (n, n, MPC_RNDNN);
mpc_sinh (n, n, MPC_RNDNN);
mpc_cosh (n, n, MPC_RNDNN);
mpc_tanh (n, n, MPC_RNDNN);
mpc_exp (n, n, MPC_RNDNN);
mpc_log (n, n, MPC_RNDNN);
mpc_sqrt (n, n, MPC_RNDNN);
mpc_proj (n, n, MPC_RNDNN);
mpc_neg (n, n, MPC_RNDNN);
mpc_sqr (n, n, MPC_RNDNN);
mpc_pow (n, n, n, MPC_RNDNN);
mpc_acosh (n, n, MPC_RNDNN);
mpc_clear (n);
], [AC_MSG_RESULT([yes]); have_mpc=yes],
[AC_MSG_RESULT([no]); have_mpc=no; mpclibs= ; mpcinc= ])
LIBS="$saved_LIBS"
fi
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.])
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)
Kaveh R. Ghazi
committed
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++
when linking with PPL])
case $with_host_libstdcxx in
no|yes)
AC_MSG_ERROR([-with-host-libstdcxx needs an argument])
;;
esac
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# Linker flags to use for stage1 or when not boostrapping.
AC_ARG_WITH(stage1-ldflags,
[ --with-stage1-ldflags=FLAGS Linker flags for stage1],
[if test "$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)
# 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)
Ian Lance Taylor
committed
# 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
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])
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])
Sebastian Pop
committed
case $with_ppl in
no)
ppllibs=
;;
;;
Sebastian Pop
committed
*)
ppllibs="-L$with_ppl/lib -lppl_c -lppl -lgmpxx"
Sebastian Pop
committed
pplinc="-I$with_ppl/include $pplinc"
;;
esac
if test "x$with_ppl_include" != x; then
pplinc="-I$with_ppl_include $pplinc"
fi
if test "x$with_ppl_lib" != x; then
ppllibs="-L$with_ppl_lib -lppl_c -lppl -lgmpxx"
fi
if test "x$with_ppl$with_ppl_include$with_ppl_lib" = x && test -d ${srcdir}/ppl; then
ppllibs='-L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/.libs -L$$r/$(HOST_SUBDIR)/ppl/interfaces/C/_libs -L$$r/$(HOST_SUBDIR)/ppl/src/.libs -L$$r/$(HOST_SUBDIR)/ppl/src/_libs -lppl_c -lppl -lgmpxx '
pplinc='-I$$r/$(HOST_SUBDIR)/ppl/src -I$$r/$(HOST_SUBDIR)/ppl/interfaces/C '
enable_ppl_version_check=no
AC_ARG_ENABLE(ppl-version-check,
[ --disable-ppl-version-check disable check for PPL version],
ENABLE_PPL_CHECK=$enableval,
ENABLE_PPL_CHECK=yes)
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])
AC_TRY_COMPILE([#include "ppl_c.h"],[
#if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
CFLAGS="$saved_CFLAGS"
fi
# Flags needed for PPL
AC_SUBST(ppllibs)
AC_SUBST(pplinc)
# Check for CLOOG
clooglibs=" -lcloog "
clooginc=" -DCLOOG_PPL_BACKEND "
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])
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
Sebastian Pop
committed
case $with_cloog in
no)
clooglibs=
clooginc=
;;
;;
Sebastian Pop
committed
*)
clooglibs="-L$with_cloog/lib -lcloog"
clooginc="-I$with_cloog/include -DCLOOG_PPL_BACKEND "
;;
esac
if test "x$with_cloog_include" != x; then
clooginc="-I$with_cloog_include -DCLOOG_PPL_BACKEND "
fi
if test "x$with_cloog_lib" != x; then
clooglibs="-L$with_cloog_lib -lcloog"
fi
if test "x$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 '
clooginc='-I$$r/$(HOST_SUBDIR)/cloog/include -I$$s/cloog/include -DCLOOG_PPL_BACKEND '
AC_ARG_ENABLE(cloog-version-check,
[ --disable-cloog-version-check disable check for CLooG version],
ENABLE_CLOOG_CHECK=$enableval,
ENABLE_CLOOG_CHECK=yes)
if test "x$with_cloog" != "xno" -a "${ENABLE_CLOOG_CHECK}" = "yes"; then
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $clooginc $gmpinc $pplinc"
AC_MSG_CHECKING([for version 0.15.5 (or later revision) of CLooG])
AC_TRY_COMPILE([#include "cloog/cloog.h"],[
#if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
CFLAGS="$saved_CFLAGS"
fi
# Flags needed for CLOOG
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])
saved_CFLAGS="$CFLAGS"
saved_CPPFLAGS="$CPPFLAGS"
saved_LIBS="$LIBS"
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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'
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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,
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# 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
# go away some day.
# NB: embedded tabs in this IF block -- do not untabify
if test -d ${srcdir}/gcc; then
if test x"${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
else
enable_languages=all
fi
else
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
exit 1
fi
fi
enable_languages=`echo "${enable_languages}" | sed -e 's/[[ ,]][[ ,]]*/,/g' -e 's/,$//'`
# 'f95' is the old name for the 'fortran' language. We issue a warning
# and make the substitution.
case ,${enable_languages}, in
*,f95,*)
echo configure.in: warning: 'f95' as language name is deprecated, use 'fortran' instead 1>&2
enable_languages=`echo "${enable_languages}" | sed -e 's/f95/fortran/g'`
;;
esac
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# 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.
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
${srcdir}/gcc/[[*]]/config-lang.in) ;;
*)
# From the config-lang.in, get $language, $lang_requires
language=
lang_requires=
. ${lang_frag}
for other in ${lang_requires} ; do
case ,${enable_languages}, in
*,$other,*) ;;
*,all,*) ;;
*,$language,*)
echo " \`$other' language required by \`$language'; enabling" 1>&2
enable_languages="${enable_languages},${other}"
;;
esac
done
;;
esac
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,
for lang_frag in ${srcdir}/gcc/*/config-lang.in .. ; do
case ${lang_frag} in
..) ;;
# The odd quoting in the next line works around
# an apparent bug in bash 1.12 on linux.
${srcdir}/gcc/[[*]]/config-lang.in) ;;
*)
# From the config-lang.in, get $language, $target_libs,
# $lang_dirs, $boot_language, and $build_by_default
subdir_requires=
boot_language=no
build_by_default=yes
if test x${language} = x; then
echo "${lang_frag} doesn't set \$language." 1>&2
exit 1
fi
if test "$language" = "c++" \
&& test "$ENABLE_BUILD_WITH_CXX" = "yes"; then
boot_language=yes
fi
case ,${enable_languages}, in
*,${language},*)
# Language was explicitly selected; include it.
add_this_lang=yes
;;
*,all,*)
# 'all' was selected, select it if it is a default language
add_this_lang=${build_by_default}
# Disable languages that need other directories if these aren't available.
for i in $subdir_requires; do
test -f "$srcdir/gcc/$i/config-lang.in" && continue
case ,${enable_languages}, in
*,${language},*)
# Specifically requested language; tell them.
AC_MSG_ERROR([The gcc/$i directory contains parts of $language but is missing])
;;
*)
# Silently disable.
add_this_lang=unsupported
;;
esac
done
# Disable Ada if no preexisting GNAT is available.
case ,${enable_languages},:${language}:${have_gnat} in
*,${language},*:ada:no)
# Specifically requested language; tell them.
AC_MSG_ERROR([GNAT is required to build $language])
;;
*:ada:no)
# Silently disable.
add_this_lang=unsupported
;;
esac
# Disable a language that is unsupported by the target.
case " $unsupported_languages " in
*" $language "*)
add_this_lang=unsupported
;;
esac
eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
;;
no)
# Remove language-dependent dirs; still show language as supported.
eval noconfigdirs='"$noconfigdirs "'\"$target_libs $lang_dirs\"
potential_languages="${potential_languages}${language},"
;;
yes)
new_enable_languages="${new_enable_languages}${language},"
potential_languages="${potential_languages}${language},"
missing_languages=`echo "$missing_languages" | sed "s/,$language,/,/"`
case "${boot_language}:,$enable_stage1_languages," in
yes:* | *:*,$language,* | *:*,yes, | *:*,all,)
# Add to (comma-separated) list of stage 1 languages.
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
;;
AC_ARG_ENABLE(stage1-languages,
[ --enable-stage1-languages@<:@=all@:>@ choose additional languages to build during
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stage1. Mostly useful for compiler development.],
[case ,${enable_stage1_languages}, in
,no,|,,)
# Set it to something that will have no effect in the loop below
enable_stage1_languages=c ;;
,yes,)
enable_stage1_languages=`echo $new_enable_languages | \
sed -e "s/^,//" -e "s/,$//" ` ;;
*,all,*)
enable_stage1_languages=`echo ,$enable_stage1_languages, | \
sed -e "s/,all,/$new_enable_languages/" -e "s/^,//" -e "s/,$//" ` ;;
esac
# Add "good" languages from enable_stage1_languages to stage1_languages,
# while "bad" languages go in missing_languages. Leave no duplicates.
for i in `echo $enable_stage1_languages | sed 's/,/ /g' `; do
case $potential_languages in
*,$i,*)
case $stage1_languages in
*,$i,*) ;;
*) stage1_languages="$stage1_languages$i," ;;
esac ;;
*)
case $missing_languages in
*,$i,*) ;;
*) missing_languages="$missing_languages$i," ;;
esac ;;
esac
done])
# Remove leading/trailing commas that were added for simplicity
potential_languages=`echo "$potential_languages" | sed -e "s/^,//" -e "s/,$//"`
missing_languages=`echo "$missing_languages" | sed -e "s/^,//" -e "s/,$//"`
stage1_languages=`echo "$stage1_languages" | sed -e "s/^,//" -e "s/,$//"`
new_enable_languages=`echo "$new_enable_languages" | sed -e "s/^,//" -e "s/,$//"`
if test "x$missing_languages" != x; then
AC_MSG_ERROR([
Paul Brook
committed
The following requested languages could not be built: ${missing_languages}
Supported languages are: ${potential_languages}])
fi
if test "x$new_enable_languages" != "x$enable_languages"; then
echo The following languages will be built: ${new_enable_languages}
enable_languages="$new_enable_languages"
AC_SUBST(stage1_languages)
Alexandre Oliva
committed
ac_configure_args=`echo " $ac_configure_args" | sed -e "s/ '--enable-languages=[[^ ]]*'//g" -e "s/$/ '--enable-languages="$enable_languages"'/" `
# Handle --disable-<component> generically.
for dir in $configdirs $build_configdirs $target_configdirs ; do
dirname=`echo $dir | sed -e s/target-//g -e s/build-//g -e s/-/_/g`
varname=`echo $dirname | sed -e s/+/_/g`