# know that we are building the simulator.
# 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" will replace "ld".
+# 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"
# libgcj represents the runtime libraries only used by gcj.
esac
# Handle --enable-gold.
+# --enable-gold Build only gold
+# --disable-gold [default] Build only ld
+# --enable-gold=both Build both gold and ld, ld is default
+# --enable-gold=both/ld Same
+# --enable-gold=both/gold Build both gold and ld, gold is default, ld is renamed ld.bfd
AC_ARG_ENABLE(gold,
-[ --enable-gold use gold instead of ld],
+[[ --enable-gold[=ARG] build gold [ARG={both}[/{gold,ld}]]]],
ENABLE_GOLD=$enableval,
ENABLE_GOLD=no)
-if test "${ENABLE_GOLD}" = "yes"; then
- # Check for ELF target.
- is_elf=no
- case "${target}" in
- *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
- | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
- | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
+ case "${ENABLE_GOLD}" in
+ yes|both|both/gold|both/ld)
+ # Check for ELF target.
+ is_elf=no
+ case "${target}" in
+ *-*-elf* | *-*-sysv4* | *-*-unixware* | *-*-eabi* | hppa*64*-*-hpux* \
+ | *-*-linux* | frv-*-uclinux* | *-*-irix5* | *-*-irix6* \
+ | *-*-netbsd* | *-*-openbsd* | *-*-freebsd* | *-*-solaris2* | *-*-nto*)
+ case "${target}" in
+ *-*-linux*aout* | *-*-linux*oldld*)
+ ;;
+ *)
+ is_elf=yes
+ ;;
+ esac
+ esac
+
+ if test "$is_elf" = "yes"; then
+ # Check for target supported by gold.
case "${target}" in
- *-*-linux*aout* | *-*-linux*oldld*)
- ;;
- *)
- is_elf=yes
+ i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
+ case "${ENABLE_GOLD}" in
+ both*)
+ configdirs="$configdirs gold"
+ ;;
+ *)
+ configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
+ ;;
+ esac
+ ENABLE_GOLD=yes
;;
esac
+ fi
+ ;;
+ no)
+ ;;
+ *)
+ AC_MSG_ERROR([invalid --enable-gold argument])
+ ;;
esac
- if test "$is_elf" = "yes"; then
- # Check for target supported by gold.
- case "${target}" in
- i?86-*-* | x86_64-*-* | sparc*-*-* | powerpc*-*-* | arm*-*-*)
- configdirs="`echo " ${configdirs} " | sed -e 's/ ld / gold /'`"
- ;;
- esac
- fi
-fi
-
# Configure extra directories which are host specific
case "${host}" in
noconfigdirs="$noconfigdirs target-newlib target-libiberty target-libgloss ${libgcj} target-libmudflap"
;;
*-*-rtems*)
+ skipdirs="${skipdirs} target-libiberty"
noconfigdirs="$noconfigdirs target-libgloss ${libgcj}"
;;
# The tpf target doesn't support gdb yet.
noconfigdirs="$noconfigdirs gas ld fileutils target-newlib target-libgloss"
;;
alpha*-*-*vms*)
- noconfigdirs="$noconfigdirs gdb ld target-newlib target-libgloss ${libgcj}"
+ noconfigdirs="$noconfigdirs gdb target-newlib target-libgloss ${libgcj}"
;;
alpha*-*-linux*)
# newlib is not 64 bit ready
#if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,2,0)
choke me
#endif
- ], AC_TRY_COMPILE([#include <gmp.h>],[
+ ], [AC_TRY_COMPILE([#include <gmp.h>],[
#define GCC_GMP_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c))
#define GCC_GMP_VERSION GCC_GMP_VERSION_NUM(__GNU_MP_VERSION,__GNU_MP_VERSION_MINOR,__GNU_MP_VERSION_PATCHLEVEL)
#if GCC_GMP_VERSION < GCC_GMP_VERSION_NUM(4,3,2)
choke me
#endif
- ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
[AC_MSG_RESULT([no]); have_gmp=no])
# If we have GMP, check the MPFR version.
#if MPFR_VERSION < MPFR_VERSION_NUM(2,3,1)
choke me
#endif
- ], AC_TRY_COMPILE([#include <gmp.h>
+ ], [AC_TRY_COMPILE([#include <gmp.h>
#include <mpfr.h>],[
#if MPFR_VERSION < MPFR_VERSION_NUM(2,4,2)
choke me
#endif
- ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
[AC_MSG_RESULT([no]); have_gmp=no])
fi
#if MPC_VERSION < MPC_VERSION_NUM(0,8,0)
choke me
#endif
- ], AC_TRY_COMPILE([#include <mpc.h>],[
+ ], [AC_TRY_COMPILE([#include <mpc.h>],[
#if MPC_VERSION < MPC_VERSION_NUM(0,8,1)
choke me
#endif
- ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])]),
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
[AC_MSG_RESULT([no]); have_gmp=no])
fi
AC_SUBST(poststage1_ldflags)
# Check for PPL
-ppl_major_version=0
-ppl_minor_version=10
ppllibs=" -lppl_c -lppl -lgmpxx"
pplinc=
if test "x$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_MSG_CHECKING([for version 0.10 (or later revision) of PPL])
AC_TRY_COMPILE([#include "ppl_c.h"],[
- #if PPL_VERSION_MAJOR != $ppl_major_version || PPL_VERSION_MINOR != $ppl_minor_version
+ #if PPL_VERSION_MAJOR != 0 || PPL_VERSION_MINOR < 10
choke me
#endif
], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); ppllibs= ; pplinc= ; with_ppl=no ])
#if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 5
choke me
#endif
- ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
+ ], [AC_TRY_COMPILE([#include "cloog/cloog.h"],[
+ #if CLOOG_VERSION_MAJOR != 0 || CLOOG_VERSION_MINOR != 15 || CLOOG_VERSION_REVISION < 9
+ choke me
+ #endif
+ ], [AC_MSG_RESULT([yes])], [AC_MSG_RESULT([buggy but acceptable])])],
+ [AC_MSG_RESULT([no]); clooglibs= ; clooginc= ])
CFLAGS="$saved_CFLAGS"
fi
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
+ACX_ELF_TARGET_IFELSE([if test x"$enable_lto" = x"yes" ; then
# Make sure that libelf.h and gelf.h are available.
AC_ARG_WITH(libelf, [ --with-libelf=PATH Specify prefix directory for the installed libelf package
Equivalent to --with-libelf-include=PATH/include
elf_nextscn (0, 0);
elf_strptr (0, 0, 0);
elf_getident (0, 0);
- elf_getshdrstrndx (0, 0);
elf_begin (0, 0, 0);
elf_ndxscn (0);
elf_end (0);
[AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
)
+ # Check for elf_getshdrstrndx or elf_getshstrndx. The latter's flavor
+ # is determined in gcc/configure.ac.
+ if test x"$enable_lto" = x"yes" ; then
+ AC_MSG_CHECKING([for elf_getshdrstrndx])
+ AC_TRY_LINK(
+ [#include <libelf.h>],[
+ elf_getshdrstrndx (0, 0);
+ ],
+ [AC_MSG_RESULT([yes]);],
+ [AC_MSG_RESULT([no]);
+ AC_MSG_CHECKING([for elf_getshstrndx])
+ AC_TRY_LINK(
+ [#include <libelf.h>],[
+ elf_getshstrndx (0, 0);
+ ],
+ [AC_MSG_RESULT([yes]);],
+ [AC_MSG_RESULT([no]); enable_lto=no; libelflibs= ; libelfinc= ]
+ )]
+ )
+ fi
+
# 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
# Flags needed for libelf.
AC_SUBST(libelflibs)
AC_SUBST(libelfinc)
-fi
+fi],[if test x"$default_enable_lto" = x"yes" ; then
+ # On non-ELF platforms, LTO must be explicitly enabled.
+ enable_lto=no
+ else
+ # Apart from ELF platforms, only Windows supports LTO so far. It
+ # would also be nice to check the binutils support, but we don't
+ # have gcc_GAS_CHECK_FEATURE available here. For now, we'll just
+ # warn during gcc/ subconfigure; unless you're bootstrapping with
+ # -flto it won't be needed until after installation anyway.
+ case $target in
+ *-cygwin*|*-mingw*) ;;
+ *-apple-darwin*) ;;
+ *) if test x"$enable_lto" = x"yes"; then
+ AC_MSG_ERROR([LTO support is not enabled for this target.])
+ fi
+ ;;
+ esac
+ fi
+ default_enable_lto=no])
# By default, C is the only stage 1 language.
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
+ ${srcdir}/contrib/compare-debug conftest.o.g0 conftest.o.g > /dev/null 2>&1; then
:
else
BUILD_CONFIG=
OSDN Git Service
