| 123456789101112131415161718 |
- #
- # Check for supported __attribute__ features
- #
- # AC_C_ATTRIBUTE(FEATURE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
- #
- AC_DEFUN([AC_C_ATTRIBUTE],
- [AS_VAR_PUSHDEF([CACHEVAR], [ax_cv_c_attribute_$1])dnl
- AC_CACHE_CHECK([for __attribute__ (($1))],
- CACHEVAR,[
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
- [[ void foo(void) __attribute__ (($1)); ]])],
- [AS_VAR_SET(CACHEVAR, [yes])],
- [AS_VAR_SET(CACHEVAR, [no])])])
- AS_VAR_IF(CACHEVAR,yes,
- [m4_default([$2], :)],
- [m4_default([$3], :)])
- AS_VAR_POPDEF([CACHEVAR])dnl
- ])dnl
|
