diff options
| -rw-r--r-- | m4/malloc.m4 | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/m4/malloc.m4 b/m4/malloc.m4 index bb60947dc..cb5cff3c2 100644 --- a/m4/malloc.m4 +++ b/m4/malloc.m4 @@ -1,4 +1,4 @@ -#serial 5 +#serial 6 dnl From Jim Meyering. dnl Determine whether malloc accepts 0 as its argument. @@ -12,7 +12,8 @@ AC_DEFUN([jm_FUNC_MALLOC], AC_DEFINE(HAVE_DONE_WORKING_MALLOC_CHECK, 1, [Define if the malloc check has been performed. ]) - AC_CACHE_CHECK([for working malloc], jm_cv_func_working_malloc, + AC_CACHE_CHECK([whether malloc(0) returns a non-NULL pointer], + jm_cv_func_working_malloc, [AC_TRY_RUN([ char *malloc (); int @@ -23,7 +24,7 @@ AC_DEFUN([jm_FUNC_MALLOC], ], jm_cv_func_working_malloc=yes, jm_cv_func_working_malloc=no, - dnl When crosscompiling, assume malloc is broken. + dnl When crosscompiling, assume malloc(0) returns NULL. jm_cv_func_working_malloc=no) ]) if test $jm_cv_func_working_malloc = no; then |