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ruby_universal_arch.m4
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ruby_universal_arch.m4
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dnl -*- Autoconf -*-
AC_DEFUN([RUBY_UNIVERSAL_ARCH], [
# RUBY_UNIVERSAL_ARCH begin
ARCH_FLAG=`expr " $CXXFLAGS " : ['.* \(-m[0-9][0-9]*\) ']`
test ${CXXFLAGS+set} && CXXFLAGS=`echo "$CXXFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']`
ARCH_FLAG=`expr " $CFLAGS " : ['.* \(-m[0-9][0-9]*\) ']`
test ${CFLAGS+set} && CFLAGS=`echo "$CFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']`
test ${LDFLAGS+set} && LDFLAGS=`echo "$LDFLAGS" | sed [-e 's/ *-arch *[^ ]*//g' -e 's/ *-m32//g' -e 's/ *-m64//g']`
unset universal_binary universal_archnames
AS_IF([test ${target_archs+set}], [
AC_MSG_CHECKING([target architectures])
target_archs=`echo $target_archs | tr , ' '`
# /usr/lib/arch_tool -archify_list $TARGET_ARCHS
for archs in $target_archs
do
AS_CASE([",$universal_binary,"],[*",$archs,"*], [],[
cpu=$archs
cpu=`echo $cpu | sed 's/-.*-.*//'`
universal_binary="${universal_binary+$universal_binary,}$cpu"
universal_archnames="${universal_archnames:+$universal_archnames }${archs}=${cpu}"
ARCH_FLAG="${ARCH_FLAG+$ARCH_FLAG }-arch $archs"
])
done
target_archs="$universal_binary"
unset universal_binary
AS_CASE(["$target_archs"],
[*,*], [universal_binary=yes],
[unset universal_archnames])
AC_MSG_RESULT([$target_archs])
target=`echo $target | sed "s/^$target_cpu-/-/"`
target_alias=`echo $target_alias | sed "s/^$target_cpu-/-/"`
AS_IF([test "${universal_binary-no}" = yes], [
AC_SUBST(try_header,try_compile)
target_cpu=universal
real_cross_compiling=$cross_compiling
], [
AS_IF([test x"$target_cpu" != x"${target_archs}"], [
echo 'int main(){return 0;}' > conftest.c
AS_IF([$CC $CFLAGS $ARCH_FLAG -o conftest conftest.c > /dev/null 2>&1], [
rm -fr conftest.*
], [test -z "$ARCH_FLAG"], [
RUBY_DEFAULT_ARCH($target_archs)
])
])
target_cpu=${target_archs}
])
AS_CASE(["$target"], [-*], [ target="$target_cpu${target}"])
AS_CASE(["$target_alias"], [-*], [ target_alias="$target_cpu${target_alias}"])
], [
AS_IF([test x"$target_alias" = x], [
AS_CASE(["$target_os"],
[darwin*], [
AC_MSG_CHECKING([for real target cpu])
target=`echo $target | sed "s/^$target_cpu-/-/"`
target_cpu=`$CC -E - 2>/dev/null <<EOF |
#ifdef __x86_64__
"processor-name=x86_64"
#endif
#ifdef __i386__
"processor-name=i386"
#endif
#ifdef __ppc__
"processor-name=powerpc"
#endif
#ifdef __ppc64__
"processor-name=powerpc64"
#endif
#ifdef __arm64__
"processor-name=arm64"
#endif
EOF
sed -n 's/^"processor-name=\(.*\)"/\1/p'`
target="$target_cpu${target}"
AC_MSG_RESULT([$target_cpu])
])
])
target_archs="$target_cpu"
])
AS_IF([test "${target_archs}" != "${rb_cv_target_archs-${target_archs}}"], [
AC_MSG_ERROR([target arch(s) has changed from ${rb_cv_target_archs-nothing} to ${target_archs}])
], [
rb_cv_target_archs=${target_archs}
])
AS_IF([test "x${ARCH_FLAG}" != x], [
CFLAGS="${CFLAGS:+$CFLAGS }${ARCH_FLAG}"
LDFLAGS="${LDFLAGS:+$LDFLAGS }${ARCH_FLAG}"
])
# RUBY_UNIVERSAL_ARCH end
])dnl
dnl
AC_DEFUN([RUBY_UNIVERSAL_CHECK_HEADER_COND], [ dnl
AC_CACHE_CHECK([for $2 when $1], [$3],
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[AC_INCLUDES_DEFAULT([$6])[
@%:@if ]$1[
@%:@include <]$2[>
@%:@endif]], [[]])],
[AS_VAR_SET($3, yes)],
[AS_VAR_SET($3, no)]))
AS_VAR_IF([$3], [yes], [dnl
printf "@%:@if %s\n" "$1" >>confdefs.h
AC_DEFINE_UNQUOTED(HAVE_[]AS_TR_CPP($2), 1)dnl
printf "@%:@endif\n" >>confdefs.h dnl
$4], [$5])
])dnl
dnl
dnl RUBY_UNIVERSAL_CHECK_HEADER(CPU-LIST, HEADER,
dnl [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND],
dnl [INCLUDES = DEFAULT-INCLUDES])
AC_DEFUN([RUBY_UNIVERSAL_CHECK_HEADER], [ dnl
m4_if([$# dnl
], [0], [], [ dnl
m4_foreach([rb_Header], [$1],
[AS_CASE([",$target_archs,"], [*,]rb_Header[,*],
[RUBY_UNIVERSAL_CHECK_HEADER_COND]([defined(__[]rb_Header[]__)],
[$2], [rb_cv_header_[]AS_TR_SH($2)_on_[]AS_TR_SH(rb_Header)],
[$3], [$4], [$5])
)
])
])dnl
])dnl