diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/configure.ac b/configure.ac index 1d403cbd4..11beee518 100644 --- a/configure.ac +++ b/configure.ac @@ -47,31 +47,19 @@ export CFLAGS AC_PROG_GCC_TRADITIONAL AC_SYS_LARGEFILE -dnl Does this platform require array notation to assign to a va_list? -dnl If cross-compiling, we assume va_list is "normal". If this breaks -dnl you, set ac_cv_valistisarray=true and maybe define HAVE_VA_LIST_AS_ARRAY -dnl also just to be sure. -AC_MSG_CHECKING(whether va_list assignments need array notation) -AC_CACHE_VAL(ac_cv_valistisarray, - [AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdlib.h> - #include <stdarg.h> - void foo(int i, ...) { - va_list ap1, ap2; - va_start(ap1, i); - ap2 = ap1; - if (va_arg(ap2, int) != 123 || va_arg(ap1, int) != 123) - { exit(1); } - va_end(ap1); va_end(ap2); - } - int main() { foo(0, 123); return(0); }]])],[ac_cv_valistisarray=false],[ac_cv_valistisarray=true],[ac_cv_valistisarray=false])]) - -if test "$ac_cv_valistisarray" = true ; then - AC_DEFINE(HAVE_VA_LIST_AS_ARRAY, 1, - [Define as 1 if your va_list type is an array]) - AC_MSG_RESULT(yes) -else - AC_MSG_RESULT(no) -fi +AC_CHECK_HEADER([stdarg.h]) +AC_MSG_CHECKING([for va_copy]) +AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[ +#include <stdarg.h> +void foo(int i, ...) { + va_list ap, aq; + va_start(ap, i); + va_copy(aq,ap); + va_end(aq); +}]], [[ + foo(1,2,3,4); +]])],[ac_cv_va_copy=yes],[ac_cv_va_copy=no]) +AC_MSG_RESULT([$ac_cv_va_copy]) RPMUSER=rpm RPMUID=37 |