From 38421d61ded65ec7384a4661427bac3b1ed2dde4 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Mon, 7 Feb 2005 16:54:14 +0000
Subject: Use AC_REQUIRE where possible, and _ONCE-suffixed versions of macros.

---
 m4/fts.m4 | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

(limited to 'm4')

diff --git a/m4/fts.m4 b/m4/fts.m4
index 65a872723..a261f713a 100644
--- a/m4/fts.m4
+++ b/m4/fts.m4
@@ -15,24 +15,24 @@ AC_DEFUN([gl_FUNC_FTS],
   dnl Prerequisites of lib/fts.c.
 
   # Checks for header files.
-  AC_HEADER_DIRENT
-  AC_HEADER_STDC
-  AC_CHECK_HEADERS([fcntl.h inttypes.h stddef.h stdint.h
-		    stdlib.h string.h sys/param.h unistd.h])
+  AC_REQUIRE([AC_HEADER_DIRENT])
+  AC_REQUIRE([AC_HEADER_STDC])
+  AC_CHECK_HEADERS_ONCE([fcntl.h inttypes.h stddef.h stdint.h])
+  AC_CHECK_HEADERS_ONCE([stdlib.h string.h sys/param.h unistd.h])
 
   # Checks for typedefs, structures, and compiler characteristics.
-  AM_STDBOOL_H
-  AC_C_CONST
-  AC_TYPE_SIZE_T
+  AC_REQUIRE([AM_STDBOOL_H])
+  AC_REQUIRE([AC_C_CONST])
+  AC_REQUIRE([AC_TYPE_SIZE_T])
+  AC_REQUIRE([gt_INTTYPES_PRI])
   AC_CHECK_TYPES([ptrdiff_t])
-  gt_INTTYPES_PRI
 
   # Checks for library functions.
-  AC_FUNC_CLOSEDIR_VOID
-  AC_FUNC_LSTAT
-  AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
-  AC_FUNC_MALLOC
-  AC_FUNC_REALLOC
-  AC_FUNC_STAT
-  AC_CHECK_FUNCS([fchdir memmove memset strrchr])
+  AC_REQUIRE([AC_FUNC_CLOSEDIR_VOID])
+  AC_REQUIRE([AC_FUNC_LSTAT])
+  AC_REQUIRE([AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
+  AC_REQUIRE([AC_FUNC_MALLOC])
+  AC_REQUIRE([AC_FUNC_REALLOC])
+  AC_REQUIRE([AC_FUNC_STAT])
+  AC_CHECK_FUNCS_ONCE([fchdir memmove memset strrchr])
 ])
-- 
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