12345678910111213141516 |
- #!/usr/bin/m4
- dnl Check for compiler attributes
- AC_DEFUN([PAM_ATTRIBUTE_UNUSED], [
- AC_CACHE_CHECK([for __attribute__((unused))], [pam_cv_attribute_unused],
- [AC_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([[int fun(int i __attribute__((unused)));]],
- [[return fun(0);]])],
- [pam_cv_attribute_unused=yes],
- [pam_cv_attribute_unused=no])])
- AS_IF([test "$pam_cv_attribute_unused" = yes],
- [unused='__attribute__((unused))'],
- [unused=])
- AC_DEFINE_UNQUOTED([UNUSED], [$unused],
- [Define if the compiler supports __attribute__((unused))])
- ])
|