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RELEASE THE HOUNDS!... edbus missing m4 macro to detect va args list 

type and that b0rxed edbus on 64bit. this fixes it. tnx to k-s for
pointing at it.



SVN revision: 81878
This commit is contained in:
Carsten Haitzler 2012-12-29 16:03:28 +00:00
parent 1a3f246c5d
commit b730378d18
2 changed files with 50 additions and 0 deletions
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2
configure.ac
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@ -409,6 +409,8 @@ AC_LANG(C)
AC_PROG_CC_C99
AM_PROG_CC_C_O
AC_C_VA_LIST_AS_ARRAY
if test "x${ac_cv_prog_cc_c99}" = "xno" ; then
AC_MSG_ERROR([ecore requires a c99-capable compiler])
fi

48
m4/ac_valist.m4 Normal file
View File

@ -0,0 +1,48 @@
dnl That code is public domain and can be freely used or copied.
dnl Originally snatched from somewhere...
dnl Macro for checking if va_list is an array
dnl Usage: AC_C_VA_LIST_AS_ARRAY
dnl call AC_DEFINE for HAVE_VA_LIST_AS_ARRAY
dnl if for this architecture va_list is defined as an array
AC_DEFUN([AC_C_VA_LIST_AS_ARRAY],
[
AC_MSG_CHECKING([whether va_list is defined as an array])
AC_CACHE_VAL([ac_cv_valistasarray],
[AC_TRY_RUN(
[
#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);
}
int main(void)
{
foo(0, 123);
return(0);
}
],
[ac_cv_valistasarray="no"],
[ac_cv_valistasarray="yes"],
[ac_cv_valistasarray="no"]
)])
AC_MSG_RESULT($ac_cv_valistasarray)
if test "x${ac_cv_valistasarray}" = "xyes" ; then
AC_DEFINE([HAVE_VA_LIST_AS_ARRAY], [1], [Define to 1 if va_list is an array])
fi
])
dnl End of ac_valist.m4