r18278: move more header checks and _GNU_SOURCE into libreplace

(This used to be commit 77c442cd469ba881215e025c87ce632c876eb617)

source4/include/includes.h

@@ -64,24 +64,12 @@
 #endif
 #endif
 
-#define _GNU_SOURCE /* Use GNU extensions */
-
 /* mark smb_panic() as noreturn, so static analysers know that it is
    used like abort */
 _PUBLIC_ void smb_panic(const char *why) NORETURN_ATTRIBUTE;
 
-#include <sys/types.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <sys/time.h>
-
-#ifdef HAVE_STRING_H
-#include <string.h>
-#endif
-
-#include <signal.h>
-#include <errno.h>
+#include "system/time.h"
+#include "system/wait.h"
 
 #define _PRINTF_ATTRIBUTE(a1, a2) PRINTF_ATTRIBUTE(a1, a2)
 

source4/lib/replace/libreplace.m4

@@ -1,5 +1,6 @@
 dnl needed before AC_TRY_COMPILE
 AC_ISC_POSIX
+AC_USE_SYSTEM_EXTENSIONS
 
 AC_C_INLINE
 
@@ -57,7 +58,7 @@ AC_FUNC_MEMCMP
 
 AC_CHECK_FUNCS(pipe strftime srandom random srand rand usleep setbuffer)
 
-AC_CHECK_HEADERS(stdbool.h)
+AC_CHECK_HEADERS(stdbool.h stddef.h)
 
 AC_CHECK_TYPE(bool, 
 [AC_DEFINE(HAVE_BOOL, 1, [Whether the bool type is available])],,

source4/lib/replace/replace.h

@@ -61,6 +61,14 @@
 #include <strings.h>
 #endif
 
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+
+#ifdef HAVE_STDDEF_H
+#include <stddef.h>
+#endif
+
 #ifndef HAVE_STRERROR
 extern char *sys_errlist[];
 #define strerror(i) sys_errlist[i]