AC_DEFUN([AC_C_MALLINFO],
[AC_CACHE_CHECK([for mallinfo], ac_cv_c_mallinfo,
[AC_LINK_IFELSE(
- [AC_LANG_SOURCE(
- [[#include <malloc.h>
- int main(int argc, char **argv) {
- struct mallinfo mi = mallinfo();
- printf("%d%d%d\n", mi.uordblks, mi.hblkhd, mi.arena);
- }
- ]])],
- [ac_cv_c_mallinfo=yes],
- [ac_cv_c_mallinfo=no])])
+ [AC_LANG_PROGRAM(
+ [[#include <malloc.h>]],
+ [[
+ struct mallinfo mi = mallinfo();
+ /* make sure that fields exists */
+ mi.uordblks = 0;
+ mi.hblkhd = 0;
+ mi.arena = 0;
+ ]]
+ )],
+ [ac_cv_c_mallinfo=yes],
+ [ac_cv_c_mallinfo=no])])
if test $ac_cv_c_mallinfo = yes; then
AC_DEFINE([HAVE_C_MALLINFO], 1,
[Define to 1 if glibc mallinfo exists.])