diff options
Diffstat (limited to 'gnulib-m4/multiarch.m4')
-rw-r--r-- | gnulib-m4/multiarch.m4 | 69 |
1 files changed, 36 insertions, 33 deletions
diff --git a/gnulib-m4/multiarch.m4 b/gnulib-m4/multiarch.m4 index 38a11cc..5d94276 100644 --- a/gnulib-m4/multiarch.m4 +++ b/gnulib-m4/multiarch.m4 @@ -1,5 +1,5 @@ -# multiarch.m4 serial 7 -dnl Copyright (C) 2008-2018 Free Software Foundation, Inc. +# multiarch.m4 serial 9 +dnl Copyright (C) 2008-2022 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -21,37 +21,40 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN_ONCE([gl_MULTIARCH], [ dnl Code similar to autoconf-2.63 AC_C_BIGENDIAN. - gl_cv_c_multiarch=no - AC_COMPILE_IFELSE( - [AC_LANG_SOURCE( - [[#ifndef __APPLE_CC__ - not a universal capable compiler - #endif - typedef int dummy; - ]])], - [ - dnl Check for potential -arch flags. It is not universal unless - dnl there are at least two -arch flags with different values. - arch= - prev= - for word in ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}; do - if test -n "$prev"; then - case $word in - i?86 | x86_64 | ppc | ppc64) - if test -z "$arch" || test "$arch" = "$word"; then - arch="$word" - else - gl_cv_c_multiarch=yes - fi - ;; - esac - prev= - else - if test "x$word" = "x-arch"; then - prev=arch - fi - fi - done + AC_CACHE_CHECK([whether the compiler produces multi-arch binaries], + [gl_cv_c_multiarch], + [gl_cv_c_multiarch=no + AC_COMPILE_IFELSE( + [AC_LANG_SOURCE( + [[#ifndef __APPLE_CC__ + not a universal capable compiler + #endif + typedef int dummy; + ]])], + [ + dnl Check for potential -arch flags. It is not universal unless + dnl there are at least two -arch flags with different values. + arch= + prev= + for word in ${CC} ${CFLAGS} ${CPPFLAGS} ${LDFLAGS}; do + if test -n "$prev"; then + case $word in + i?86 | x86_64 | ppc | ppc64 | arm | arm64) + if test -z "$arch" || test "$arch" = "$word"; then + arch="$word" + else + gl_cv_c_multiarch=yes + fi + ;; + esac + prev= + else + if test "x$word" = "x-arch"; then + prev=arch + fi + fi + done + ]) ]) if test $gl_cv_c_multiarch = yes; then APPLE_UNIVERSAL_BUILD=1 |