diff options
Diffstat (limited to 'm4/ax_c_mallinfo.m4')
| -rwxr-xr-x | m4/ax_c_mallinfo.m4 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/m4/ax_c_mallinfo.m4 b/m4/ax_c_mallinfo.m4 new file mode 100755 index 000000000..af8d0481e --- /dev/null +++ b/m4/ax_c_mallinfo.m4 @@ -0,0 +1,24 @@ +# AC_C_MALLINFO +# ------------- +# Define HAVE_C_MALLINFO if mallinfo() works. +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_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.]) +fi +])# AC_C_MALLINFO |