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[gnulib.git]
/
m4
/
realloc.m4
diff --git
a/m4/realloc.m4
b/m4/realloc.m4
index
7e5ca73
..
7695e89
100644
(file)
--- a/
m4/realloc.m4
+++ b/
m4/realloc.m4
@@
-1,18
+1,19
@@
-#serial
4
+#serial
6
dnl From Jim Meyering.
dnl Determine whether realloc works when both arguments are 0.
dnl If it doesn't, arrange to use the replacement function.
dnl
dnl From Jim Meyering.
dnl Determine whether realloc works when both arguments are 0.
dnl If it doesn't, arrange to use the replacement function.
dnl
-AC_DEFUN(
jm_FUNC_REALLOC
,
+AC_DEFUN(
[jm_FUNC_REALLOC]
,
[
dnl xmalloc.c requires that this symbol be defined so it doesn't
dnl mistakenly use a broken realloc -- as it might if this test were omitted.
[
dnl xmalloc.c requires that this symbol be defined so it doesn't
dnl mistakenly use a broken realloc -- as it might if this test were omitted.
- AC_DEFINE
_UNQUOTED
(HAVE_DONE_WORKING_REALLOC_CHECK, 1,
-
[Define if the realloc check has been performed. ])
+ AC_DEFINE(HAVE_DONE_WORKING_REALLOC_CHECK, 1,
+ [Define if the realloc check has been performed. ])
- AC_CACHE_CHECK([for working realloc], jm_cv_func_working_realloc,
+ AC_CACHE_CHECK([whether realloc(0,0) returns a non-NULL pointer],
+ jm_cv_func_working_realloc,
[AC_TRY_RUN([
char *realloc ();
int
[AC_TRY_RUN([
char *realloc ();
int
@@
-23,12
+24,12
@@
AC_DEFUN(jm_FUNC_REALLOC,
],
jm_cv_func_working_realloc=yes,
jm_cv_func_working_realloc=no,
],
jm_cv_func_working_realloc=yes,
jm_cv_func_working_realloc=no,
- dnl When crosscompiling, assume realloc
is broken
.
+ dnl When crosscompiling, assume realloc
(0,0) returns NULL
.
jm_cv_func_working_realloc=no)
])
if test $jm_cv_func_working_realloc = no; then
jm_cv_func_working_realloc=no)
])
if test $jm_cv_func_working_realloc = no; then
- AC_LIBOBJ(
[realloc]
)
- AC_DEFINE
_UNQUOTED
(realloc, rpl_realloc,
+ AC_LIBOBJ(
realloc
)
+ AC_DEFINE(realloc, rpl_realloc,
[Define to rpl_realloc if the replacement function should be used.])
fi
])
[Define to rpl_realloc if the replacement function should be used.])
fi
])