diff options
Diffstat (limited to 'm4/ax_check_link_flag.m4')
| -rw-r--r-- | m4/ax_check_link_flag.m4 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/m4/ax_check_link_flag.m4 b/m4/ax_check_link_flag.m4 index db899ddd..eb01a6ce 100644 --- a/m4/ax_check_link_flag.m4 +++ b/m4/ax_check_link_flag.m4 @@ -55,10 +55,11 @@ # modified version of the Autoconf Macro, you may extend this special # exception to the GPL to apply to your modified version as well. -#serial 3 +#serial 4 AC_DEFUN([AX_CHECK_LINK_FLAG], -[AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl +[AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF +AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_ldflags_$4_$1])dnl AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [ ax_check_save_flags=$LDFLAGS LDFLAGS="$LDFLAGS $4 $1" @@ -66,7 +67,7 @@ AC_CACHE_CHECK([whether the linker accepts $1], CACHEVAR, [ [AS_VAR_SET(CACHEVAR,[yes])], [AS_VAR_SET(CACHEVAR,[no])]) LDFLAGS=$ax_check_save_flags]) -AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes], +AS_VAR_IF(CACHEVAR,yes, [m4_default([$2], :)], [m4_default([$3], :)]) AS_VAR_POPDEF([CACHEVAR])dnl |