diff options
Diffstat (limited to 'm4/macros/c_void_p.m4')
| -rw-r--r-- | m4/macros/c_void_p.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/m4/macros/c_void_p.m4 b/m4/macros/c_void_p.m4 new file mode 100644 index 000000000000..3977c9be86c8 --- /dev/null +++ b/m4/macros/c_void_p.m4 @@ -0,0 +1,22 @@ +dnl ###################################################################### +dnl check if compiler can handle "void *" +AC_DEFUN([AMU_C_VOID_P], +[ +AC_CACHE_CHECK(if compiler can handle void *, +ac_cv_c_void_p, +[ +# try to compile a program which uses void * +AC_TRY_COMPILE( +[ ], +[ +void *vp; +], ac_cv_c_void_p=yes, ac_cv_c_void_p=no) +]) +if test "$ac_cv_c_void_p" = yes +then + AC_DEFINE(voidp, void *) +else + AC_DEFINE(voidp, char *) +fi +]) +dnl ====================================================================== |