diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 34eefe82b..1bd093703 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -1,3 +1,16 @@ +# AST_GCC_ATTRIBUTE([attribute name]) + +AC_DEFUN([AST_GCC_ATTRIBUTE], +[ +AC_MSG_CHECKING(checking for compiler 'attribute $1' support) +AC_COMPILE_IFELSE( + AC_LANG_PROGRAM([static int __attribute__(($1)) test(void) {}], + []), + AC_MSG_RESULT(yes) + AC_DEFINE_UNQUOTED([HAVE_ATTRIBUTE_$1], 1, [Define to 1 if your GCC C compiler supports the '$1' attribute.]), + AC_MSG_RESULT(no)) +]) + # AST_EXT_LIB_SETUP([package symbol name], [package friendly name], [package option name], [additional help text]) AC_DEFUN([AST_EXT_LIB_SETUP], |