From: Erwin Janssen <erwinjanssen@outlook.com>
Date: Sun, 11 Dec 2016 00:49:39 +0000 (+0100)
Subject: Remove definition and usage of HAVE_STDDEF_H
X-Git-Tag: 2.40.1~2^2~1^2^2~16
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fcda80d7c7ae4972980769313ffa686df71b907d;p=graphviz

Remove definition and usage of HAVE_STDDEF_H

The header <stddef.h> is part of the standard C library and is always available,
checking is therefore not needed.
---

diff --git a/configure.ac b/configure.ac
index 3a0ec0109..e5c203188 100644
--- a/configure.ac
+++ b/configure.ac
@@ -425,7 +425,7 @@ dnl -----------------------------------
 dnl Checks for header files
 
 # AC_HEADER_STDC
-AC_CHECK_HEADERS(stddef.h stddef.h malloc.h \
+AC_CHECK_HEADERS(malloc.h \
 	fcntl.h search.h pthread.h values.h float.h limits.h termios.h \
 	errno.h time.h unistd.h strings.h setjmp.h \
 	sys/time.h sys/times.h sys/types.h sys/select.h \
diff --git a/lib/common/render.h b/lib/common/render.h
index 1b31e5d46..61f40010b 100644
--- a/lib/common/render.h
+++ b/lib/common/render.h
@@ -29,9 +29,7 @@ extern "C" {
 #else
 #include <stdlib.h>
 #endif
-#ifdef HAVE_STDDEF_H
 #include <stddef.h>
-#endif
 #ifdef HAVE_STRINGS_H
 #include <strings.h>
 #endif
diff --git a/windows/include/config.h b/windows/include/config.h
index 5a3f1d5d2..412aeb171 100644
--- a/windows/include/config.h
+++ b/windows/include/config.h
@@ -261,9 +261,6 @@
 /* Define to 1 if stdbool.h conforms to C99. */
 //#define HAVE_STDBOOL_H 1
 
-/* Define to 1 if you have the <stddef.h> header file. */
-#define HAVE_STDDEF_H 1
-
 /* Define to 1 if you have the `strcasecmp' function. */
 //#define HAVE_STRCASECMP 1