X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=aclocal.m4;h=0e72d22afb856bbce0152614198d64a90902f7d5;hp=c50d3481daafe08b575fd91c17d917d5088129ac;hb=b187c221cc97679e28118ae8ac2997d6a686ba14;hpb=6bb8d64a971afce310df3349e8767b790c2845ee diff --git a/aclocal.m4 b/aclocal.m4 index c50d348..0e72d22 100644 --- a/aclocal.m4 +++ b/aclocal.m4 @@ -4,23 +4,106 @@ # ensure we don't clash with any pre-supplied autoconf ones. +# FPTOOLS_SET_PLATFORM_VARS +# ---------------------------------- +# Set the platform variables +AC_DEFUN([FPTOOLS_SET_PLATFORM_VARS], +[ + # If no argument was given for a configuration variable, then discard + # the guessed canonical system and use the configuration of the + # bootstrapping ghc. If an argument was given, map it from gnu format + # to ghc format. + # + # For why we do it this way, see: #3637, #1717, #2951 + # + # In bindists, we haven't called AC_CANONICAL_{BUILD,HOST,TARGET} + # so this justs uses $bootstrap_target. + + if test "$build_alias" = "" + then + if test "$bootstrap_target" != "" + then + build=$bootstrap_target + echo "Build platform inferred as: $build" + else + echo "Can't work out build platform" + exit 1 + fi + + BuildArch=`echo "$build" | sed 's/-.*//'` + BuildVendor=`echo "$build" | sed -e 's/.*-\(.*\)-.*/\1/'` + BuildOS=`echo "$build" | sed 's/.*-//'` + else + GHC_CONVERT_CPU([$build_cpu], [BuildArch]) + GHC_CONVERT_VENDOR([$build_vendor], [BuildVendor]) + GHC_CONVERT_OS([$build_os], [BuildOS]) + fi + + if test "$host_alias" = "" + then + if test "$bootstrap_target" != "" + then + host=$bootstrap_target + echo "Host platform inferred as: $host" + else + echo "Can't work out host platform" + exit 1 + fi + + HostArch=`echo "$host" | sed 's/-.*//'` + HostVendor=`echo "$host" | sed -e 's/.*-\(.*\)-.*/\1/'` + HostOS=`echo "$host" | sed 's/.*-//'` + else + GHC_CONVERT_CPU([$host_cpu], [HostArch]) + GHC_CONVERT_VENDOR([$host_vendor], [HostVendor]) + GHC_CONVERT_OS([$host_os], [HostOS]) + fi + + if test "$target_alias" = "" + then + if test "$bootstrap_target" != "" + then + target=$bootstrap_target + echo "Target platform inferred as: $target" + else + echo "Can't work out target platform" + exit 1 + fi + + TargetArch=`echo "$target" | sed 's/-.*//'` + TargetVendor=`echo "$target" | sed -e 's/.*-\(.*\)-.*/\1/'` + TargetOS=`echo "$target" | sed 's/.*-//'` + else + GHC_CONVERT_CPU([$target_cpu], [TargetArch]) + GHC_CONVERT_VENDOR([$target_vendor], [TargetVendor]) + GHC_CONVERT_OS([$target_os], [TargetOS]) + fi +]) + + # FPTOOLS_SET_C_LD_FLAGS # ---------------------------------- -# Set the C and LD flags for a given platform +# Set the C, LD and CPP flags for a given platform +# $1 is the platform +# $2 is the name of the CC flags variable +# $3 is the name of the linker flags variable when linking with gcc +# $4 is the name of the linker flags variable when linking with ld +# $5 is the name of the CPP flags variable AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS], [ + 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="$$5 -m32" ;; x86_64-apple-darwin) $2="$$2 -m64" $3="$$3 -m64" + $4="$$4 -arch x86_64" + $5="$$5 -m64" ;; esac @@ -31,7 +114,26 @@ AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS], then $2="$$2 -fno-stack-protector" fi - rm conftest.c conftest.o + rm -f conftest.c conftest.o + AC_MSG_RESULT([done]) +]) + + +# FP_VISIBILITY_HIDDEN +# ---------------------------------- +# Is the visibility hidden attribute supported? +AC_DEFUN([FP_VISIBILITY_HIDDEN], +[ + AC_MSG_CHECKING([whether __attribute__((visibility("hidden"))) is supported]) + echo '__attribute__((visibility("hidden"))) void foo(void) {}' > conftest.c + if $CC -Wall -Werror -c conftest.c > /dev/null 2>&1 + then + AC_MSG_RESULT([yes]) + AC_DEFINE(HAS_VISIBILITY_HIDDEN, 1, [Has visibility hidden]) + else + AC_MSG_RESULT([no]) + fi + rm -f conftest.c conftest.o ]) @@ -378,6 +480,31 @@ AC_SUBST([LdXFlag]) ])# FP_PROG_LD_X +# FP_PROG_LD_BUILD_ID +# ------------ + +# Sets the output variable LdHasBuildId to YES if ld supports +# --build-id, or NO otherwise. +AC_DEFUN([FP_PROG_LD_BUILD_ID], +[ +AC_CACHE_CHECK([whether ld understands --build-id], [fp_cv_ld_build_id], +[echo 'foo() {}' > conftest.c +${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 @@ -963,18 +1090,9 @@ AC_SUBST([GhcPkgCmd]) # 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], @@ -982,24 +1100,6 @@ AC_CACHE_CHECK([for extra options to pass gcc when compiling via C], [fp_cv_gcc_ 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) ]) @@ -1342,7 +1442,7 @@ case "$1" in hppa*) $2="hppa" ;; - i386) + i386|i486|i586|i686) $2="i386" ;; ia64) @@ -1395,7 +1495,15 @@ case "$1" in # -------------------------------- # 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) @@ -1410,6 +1518,9 @@ case "$1" in 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