AC_MSG_CHECKING([Setting up $2, $3, $4 and $5])
case $$1 in
i386-apple-darwin)
- # By default, gcc on OS X will generate SSE
- # instructions, which need things 16-byte aligned,
- # but we don't 16-byte align things. Thus drop
- # back to generic i686 compatibility. Trac #2983.
- $2="$$2 -march=i686 -m32"
- $3="$$3 -march=i686 -m32"
+ $2="$$2 -m32"
+ $3="$$3 -m32"
$4="$$4 -arch i386"
- $5="$$5 -march=i686 -m32"
+ $5="$$5 -m32"
;;
x86_64-apple-darwin)
$2="$$2 -m64"
;;
esac
- case $$1 in
- i386-apple-darwin|x86_64-apple-darwin)
- # We support back to OS X 10.5
- $2="$$2 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
- $3="$$3 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
- $4="$$4 -macosx_version_min 10.5"
- $5="$$5 -isysroot /Developer/SDKs/MacOSX10.5.sdk -mmacosx-version-min=10.5"
- ;;
- esac
-
# If gcc knows about the stack protector, turn it off.
# Otherwise the stack-smash handler gets triggered.
echo 'int main(void) {return 0;}' > conftest.c
])# FP_PROG_LD_X
+# FP_PROG_LD_BUILD_ID
+# ------------
+
+# Sets the output variable LdHasBuildId to YES if ld supports
+# --build-id, or NO otherwise.
+AC_DEFUN([FP_PROG_LD_BUILD_ID],
+[
+AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id],
+[echo 'foo() {}' > conftest.c
+${CC-cc} -c conftest.c
+if ${LdCmd} -r --build-id=none -o conftest2.o conftest.o > /dev/null 2>&1; then
+ fp_cv_ld_build_id=yes
+else
+ fp_cv_ld_build_id=no
+fi
+rm -rf conftest*])
+if test "$fp_cv_ld_build_id" = yes; then
+ LdHasBuildId=YES
+else
+ LdHasBuildId=NO
+fi
+AC_SUBST([LdHasBuildId])
+])# FP_PROG_LD_BUILD_ID
+
+
# FP_PROG_LD_IS_GNU
# -----------------
# Sets the output variable LdIsGNULd to YES or NO, depending on whether it is
# Determine which extra flags we need to pass gcc when we invoke it
# to compile .hc code.
#
-# Some OSs (Mandrake Linux, in particular) configure GCC with
-# -momit-leaf-frame-pointer on by default. If this is the case, we
-# need to turn it off for mangling to work. The test is currently a
-# bit crude, using only the version number of gcc.
-#
# -fwrapv is needed for gcc to emit well-behaved code in the presence of
# integer wrap around. (Trac #952)
#
-# -fno-unit-at-a-time or -fno-toplevel-reoder is necessary to avoid gcc
-# reordering things in the module and confusing the manger and/or splitter.
-# (eg. Trac #1427)
-#
AC_DEFUN([FP_GCC_EXTRA_FLAGS],
[AC_REQUIRE([FP_HAVE_GCC])
AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_extra_opts],
FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
[fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fwrapv"],
[])
- case $TargetPlatform in
- i386-*|x86_64-*)
- FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.2],
- [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -mno-omit-leaf-frame-pointer"],
- [])
- FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [3.4],
- [FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
- [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
- [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-unit-at-a-time"]
- )],
- [])
- ;;
- sparc-*-solaris2)
- FP_COMPARE_VERSIONS([$fp_cv_gcc_version], [-ge], [4.2],
- [fp_cv_gcc_extra_opts="$fp_cv_gcc_extra_opts -fno-toplevel-reorder"],
- [])
- ;;
- esac
])
AC_SUBST([GccExtraViaCOpts],$fp_cv_gcc_extra_opts)
])
hppa*)
$2="hppa"
;;
- i386)
+ i386|i486|i586|i686)
$2="i386"
;;
ia64)
# --------------------------------
# converts vendor from gnu to ghc naming, and assigns the result to $target_var
AC_DEFUN([GHC_CONVERT_VENDOR],[
-$2="$1"
+ case "$1" in
+ pc|gentoo) # like i686-pc-linux-gnu and i686-gentoo-freebsd8
+ $2="unknown"
+ ;;
+ *)
+ #pass thru by default
+ $2="$1"
+ ;;
+ esac
])
# GHC_CONVERT_OS(os, target_var)
freebsd|netbsd|openbsd|dragonfly|osf1|osf3|hpux|linuxaout|kfreebsdgnu|freebsd2|solaris2|cygwin32|mingw32|darwin|gnu|nextstep2|nextstep3|sunos4|ultrix|irix|aix|haiku)
$2="$1"
;;
+ freebsd8) # like i686-gentoo-freebsd8
+ $2="freebsd"
+ ;;
*)
echo "Unknown OS $1"
exit 1