* m4/getdate.m4 (gl_C_COMPOUND_LITERALS): New macro.

[gnulib.git] / m4 / mkstemp.m4

diff --git a/m4/mkstemp.m4 b/m4/mkstemp.m4
index 66bf0b4..fb6cfcd 100644 (file)
--- a/m4/mkstemp.m4
+++ b/m4/mkstemp.m4
@@ -1,49 +1,59 @@
-#serial 2
+#serial 11
+
+# Copyright (C) 2001, 2003, 2004, 2005 Free Software Foundation, Inc.
+# This file is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
 
 # On some hosts (e.g., HP-UX 10.20, SunOS 4.1.4, Solaris 2.5.1), mkstemp has a
 # silly limit that it can create no more than 26 files from a given template.
-# Other systems lack mkstemp altogether.  On either type of system, arrange
-# to use the replacement function.
-AC_DEFUN([UTILS_FUNC_MKSTEMP],
+# Other systems lack mkstemp altogether.
+# On OSF1/Tru64 V4.0F, the system-provided mkstemp function can create
+# only 32 files per process.
+# On systems like the above, arrange to use the replacement function.
+AC_DEFUN([gl_FUNC_MKSTEMP],
 [dnl
   AC_REPLACE_FUNCS(mkstemp)
   if test $ac_cv_func_mkstemp = no; then
-    utils_cv_func_mkstemp_limitations=yes
+    gl_cv_func_mkstemp_limitations=yes
   else
     AC_CACHE_CHECK([for mkstemp limitations],
-      utils_cv_func_mkstemp_limitations,
+      gl_cv_func_mkstemp_limitations,
       [
+        mkdir conftest.mkstemp
        AC_TRY_RUN([
-#         include <stdlib.h>
-         int main ()
-         {
-           int i;
-           for (i = 0; i < 30; i++)
-             {
-               char template[] = "conftestXXXXXX";
-               int fd = mkstemp (template);
-               if (fd == -1)
-                 exit (1);
-               close (fd);
-             }
-           exit (0);
-         }
-         ],
-       utils_cv_func_mkstemp_limitations=no,
-       utils_cv_func_mkstemp_limitations=yes,
-       utils_cv_func_mkstemp_limitations=yes
-       )
+#           include <stdlib.h>
+#           include <unistd.h>
+           int main ()
+           {
+             int i;
+             for (i = 0; i < 70; i++)
+               {
+                 char template[] = "conftest.mkstemp/coXXXXXX";
+                 int fd = mkstemp (template);
+                 if (fd == -1)
+                   exit (1);
+                 close (fd);
+               }
+             exit (0);
+           }
+           ],
+         gl_cv_func_mkstemp_limitations=no,
+         gl_cv_func_mkstemp_limitations=yes,
+         gl_cv_func_mkstemp_limitations=yes
+         )
+        rm -rf conftest.mkstemp
       ]
     )
   fi
 
-  if test $utils_cv_func_mkstemp_limitations = yes; then
+  if test $gl_cv_func_mkstemp_limitations = yes; then
     AC_LIBOBJ(mkstemp)
     AC_LIBOBJ(tempname)
     AC_DEFINE(mkstemp, rpl_mkstemp,
       [Define to rpl_mkstemp if the replacement function should be used.])
     gl_PREREQ_MKSTEMP
-    jm_PREREQ_TEMPNAME
+    gl_PREREQ_TEMPNAME
   fi
 ])
 
@@ -53,13 +63,10 @@ AC_DEFUN([gl_PREREQ_MKSTEMP],
 ])
 
 # Prerequisites of lib/tempname.c.
-AC_DEFUN([jm_PREREQ_TEMPNAME],
+AC_DEFUN([gl_PREREQ_TEMPNAME],
 [
-  AC_REQUIRE([AC_HEADER_STDC])
-  AC_REQUIRE([AC_HEADER_STAT])
-  AC_CHECK_HEADERS_ONCE(fcntl.h sys/time.h unistd.h)
-  AC_CHECK_HEADERS(stdint.h)
+  AC_CHECK_HEADERS_ONCE(sys/time.h stdint.h unistd.h)
   AC_CHECK_FUNCS(__secure_getenv gettimeofday)
   AC_CHECK_DECLS_ONCE(getenv)
-  AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
+  AC_REQUIRE([gl_AC_TYPE_UINTMAX_T])
 ])