diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index ebd8b997f..972271069 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -68,7 +68,7 @@ AC_SUBST([PBX_LIB$1]) AC_DEFUN( -[AST_CHECK_GNU_MAKE], [ AC_CACHE_CHECK( for GNU make, GNU_MAKE, +[AST_CHECK_GNU_MAKE], [AC_CACHE_CHECK(for GNU make, GNU_MAKE, GNU_MAKE='Not Found' ; for a in make gmake gnumake ; do if test -z "$a" ; then continue ; fi ; @@ -83,4 +83,19 @@ if test "x$GNU_MAKE" = "xNot Found" ; then exit 1 fi AC_SUBST([GNU_MAKE]) -] ) +]) + +AC_DEFUN( +[AST_C_ATTRIBUTE], +[AC_CACHE_CHECK([for $1 attribute support], + [ac_cv_attribute_$1], + AC_COMPILE_IFELSE( + AC_LANG_PROGRAM( + [[static void foo(void) __attribute__ (($1));xyz]], + []), + have_attribute_$1=1, have_attribute_$1=0) + ) + if test "$have_attribute_$1" = "1"; then + AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to indicate the compiler supports __attribute__ (($1))]) + fi +]) |