diff options
| author | Costa Tsaousis (ktsaou) <costa@tsaousis.gr> | 2016-10-02 12:55:59 +0300 |
|---|---|---|
| committer | Costa Tsaousis (ktsaou) <costa@tsaousis.gr> | 2016-10-02 12:55:59 +0300 |
| commit | 07fd010de45f16973bf8b236c818e9e9171d2d58 (patch) | |
| tree | a01c23aa83c97f114832167bdb176dc53eccd4bb /m4 | |
| parent | eb927d506e44b20b75b44916d2b74857b25ff4be (diff) | |
best practices
Diffstat (limited to 'm4')
| -rwxr-xr-x | m4/ax_c_mallinfo.m4 | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/m4/ax_c_mallinfo.m4 b/m4/ax_c_mallinfo.m4 index a8f8cc2447..af8d0481e5 100755 --- a/m4/ax_c_mallinfo.m4 +++ b/m4/ax_c_mallinfo.m4 @@ -5,15 +5,18 @@ AN_IDENTIFIER([mallinfo], [AC_C_MALLINFO]) 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.]) |