Update ax_check_compile_flag.m4

This commit is contained in:
Tatsuhiro Tsujikawa 2016-01-22 23:21:06 +09:00
parent 2f80c453bb
commit a964426fbc
1 changed files with 3 additions and 3 deletions

View File

@ -55,10 +55,10 @@
# modified version of the Autoconf Macro, you may extend this special # modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well. # exception to the GPL to apply to your modified version as well.
#serial 3 #serial 4
AC_DEFUN([AX_CHECK_COMPILE_FLAG], AC_DEFUN([AX_CHECK_COMPILE_FLAG],
[AC_PREREQ(2.59)dnl for _AC_LANG_PREFIX [AC_PREREQ(2.64)dnl for _AC_LANG_PREFIX and AS_VAR_IF
AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl AS_VAR_PUSHDEF([CACHEVAR],[ax_cv_check_[]_AC_LANG_ABBREV[]flags_$4_$1])dnl
AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [ AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS ax_check_save_flags=$[]_AC_LANG_PREFIX[]FLAGS
@ -67,7 +67,7 @@ AC_CACHE_CHECK([whether _AC_LANG compiler accepts $1], CACHEVAR, [
[AS_VAR_SET(CACHEVAR,[yes])], [AS_VAR_SET(CACHEVAR,[yes])],
[AS_VAR_SET(CACHEVAR,[no])]) [AS_VAR_SET(CACHEVAR,[no])])
_AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags]) _AC_LANG_PREFIX[]FLAGS=$ax_check_save_flags])
AS_IF([test x"AS_VAR_GET(CACHEVAR)" = xyes], AS_VAR_IF(CACHEVAR,yes,
[m4_default([$2], :)], [m4_default([$2], :)],
[m4_default([$3], :)]) [m4_default([$3], :)])
AS_VAR_POPDEF([CACHEVAR])dnl AS_VAR_POPDEF([CACHEVAR])dnl