diff options
Diffstat (limited to 'src/configure.ac')
| -rw-r--r-- | src/configure.ac | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/src/configure.ac b/src/configure.ac index c78e0b0..f3647d0 100644 --- a/src/configure.ac +++ b/src/configure.ac @@ -137,6 +137,55 @@ dnl Checks for library functions. AC_FUNC_MMAP AC_CHECK_FUNCS(select socket strerror) + +dnl checks for fat-binary +AC_ARG_ENABLE(fat-binary, + [ --enable-fat-binary=ARCHS + build an Apple Multi Architecture Binary (MAB); + ARCHS is a comma-delimited list of architectures for + which to build; if ARCHS is omitted, then the package + will be built for all architectures supported by the + platform (e.g. "ppc,i386" for MacOS/X and Darwin; + if this option is disabled or omitted entirely, then + the package will be built only for the target + platform], + [fat_binary=$enableval], [fat_binary=no]) +if test "$fat_binary" != no; then + AC_MSG_CHECKING([target architectures]) + + # Respect TARGET_ARCHS setting from environment if available. + if test -z "$TARGET_ARCHS"; then + # Respect ARCH given to --enable-fat-binary if present. + if test "$fat_binary" != yes; then + TARGET_ARCHS=`echo "$fat_binary" | tr ',' ' '` + else + # Choose a default set of architectures based upon platform. + TARGET_ARCHS="ppc i386" + fi + fi + AC_MSG_RESULT([$TARGET_ARCHS]) + + # /usr/lib/arch_tool -archify_list $TARGET_ARCHS + ARCH_FLAG= + for archs in $TARGET_ARCHS + do + ARCH_FLAG="$ARCH_FLAG -arch $archs" + done + + if test "x$ARCH_FLAG" != "x"; then + tmp_arch_cflags="$CFLAGS" + AC_CHECK_CFLAGS([$ARCH_FLAG],,ARCH_FLAG="") + CFLAGS="$tmp_arch_cflags" + fi + + if test "x$ARCH_FLAG" != "x"; then + tmp_arch_ldflags="$LDFLAGS" + AC_CHECK_LDFLAGS([$ARCH_FLAG],,ARCH_FLAG="") + LDFLAGS="$tmp_arch_ldflags" + fi +fi +AC_SUBST(ARCH_FLAG) + dnl check for "-mms-bitfields" cflag dnl why is there no generic compiler-check for a given flag ? dnl it would make things so easy: AC_CHECK_FLAG([-mms-bitfields],,) |