diff options
Diffstat (limited to 'tool/m4/ruby_default_arch.m4')
| -rw-r--r-- | tool/m4/ruby_default_arch.m4 | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/tool/m4/ruby_default_arch.m4 b/tool/m4/ruby_default_arch.m4 index 03e52f7776..2f25ba81ee 100644 --- a/tool/m4/ruby_default_arch.m4 +++ b/tool/m4/ruby_default_arch.m4 @@ -1,11 +1,21 @@ dnl -*- Autoconf -*- AC_DEFUN([RUBY_DEFAULT_ARCH], [ +# Set ARCH_FLAG for different width but family CPU AC_MSG_CHECKING([arch option]) -AS_CASE([$1], - [arm64], [], - [*64], [ARCH_FLAG=-m64], - [[i[3-6]86]], [ARCH_FLAG=-m32], - [AC_MSG_ERROR(unknown target architecture: $target_archs)] - ) -AC_MSG_RESULT([$ARCH_FLAG]) +AS_CASE([$1:"$host_cpu"], + [arm64:arm*], [ARCH_FLAG=-m64], + [arm*:arm*], [ARCH_FLAG=-m32], + [x86_64:[i[3-6]86]], [ARCH_FLAG=-m64], + [x64:x86_64], [], + [[i[3-6]86]:x86_64], [ARCH_FLAG=-m32], + [ppc64:ppc*], [ARCH_FLAG=-m64], + [ppc*:ppc64], [ARCH_FLAG=-m32], + [ + ARCH_FLAG= + for flag in "-arch "$1 -march=$1; do + _RUBY_TRY_CFLAGS([$]flag, [ARCH_FLAG="[$]flag"]) + test x"$ARCH_FLAG" = x || break + done] +) +AC_MSG_RESULT([${ARCH_FLAG:-'(none)'}]) ])dnl |