From 64d4ff5dcc24d8dfd104b340816d2c89b7735a85 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sun, 24 Sep 2006 02:29:12 +0000
Subject: r18864: merge lib/replace changes from samba4 (This used to be commit
 6d5f507136be327558e98214b64eca225ca23d66)

---
 source3/lib/replace/README           |  7 +++++++
 source3/lib/replace/libreplace.m4    |  8 ++++----
 source3/lib/replace/libreplace_cc.m4 | 27 +++++++++++++++++++++++++++
 source3/lib/replace/replace.h        |  4 ++--
 4 files changed, 40 insertions(+), 6 deletions(-)

(limited to 'source3/lib')

diff --git a/source3/lib/replace/README b/source3/lib/replace/README
index fd630ddc45..182a276116 100644
--- a/source3/lib/replace/README
+++ b/source3/lib/replace/README
@@ -65,6 +65,12 @@ Constants:
 PATH_NAME_MAX
 UINT{16,32,64}_MAX
 INT32_MAX
+RTLD_LAZY
+HOST_NAME_MAX
+UINT16_MAX
+UINT32_MAX
+UINT64_MAX
+CHAR_BIT
 
 Macros:
 va_copy
@@ -72,6 +78,7 @@ __FUNCTION__
 __STRING
 MIN
 MAX
+QSORT_CAST
 
 Prerequisites:
 memset (for bzero)
diff --git a/source3/lib/replace/libreplace.m4 b/source3/lib/replace/libreplace.m4
index 6c26f7b904..804f998b9e 100644
--- a/source3/lib/replace/libreplace.m4
+++ b/source3/lib/replace/libreplace.m4
@@ -267,10 +267,10 @@ AC_CHECK_FUNCS(strnlen setenv)
 AC_CHECK_FUNCS(strtoull __strtoull strtouq strtoll __strtoll strtoq)
 
 # this test disabled as we don't actually need __VA_ARGS__ yet
-# AC_TRY_CPP([
-# #define eprintf(...) fprintf(stderr, __VA_ARGS__)
-# eprintf("bla", "bar");
-# ], [], [AC_MSG_ERROR([__VA_ARGS__ is required])])
+AC_TRY_CPP([
+#define eprintf(...) fprintf(stderr, __VA_ARGS__)
+eprintf("bla", "bar");
+], AC_DEFINE(HAVE__VA_ARGS__MACRO, 1, [Whether the __VA_ARGS__ macro is available]))
 
 # Check prerequisites
 AC_CHECK_FUNCS([memset printf syslog], [], 
diff --git a/source3/lib/replace/libreplace_cc.m4 b/source3/lib/replace/libreplace_cc.m4
index aa0465983a..352d115547 100644
--- a/source3/lib/replace/libreplace_cc.m4
+++ b/source3/lib/replace/libreplace_cc.m4
@@ -28,7 +28,13 @@ ac_cv_prog_cc_Ae=no
 savedCFLAGS=$CFLAGS
 AC_PROG_CC
 CFLAGS=$savedCFLAGS
+
+dnl don't try for C99 if we are using gcc, as otherwise we 
+dnl lose immediate structure constants
+if test x"$GCC" = x"no" ; then
 AC_PROG_CC_C99
+fi
+
 if test x"$GCC" = x"yes" ; then
 	AC_MSG_CHECKING([for version of gcc])
 	GCC_VERSION=`$CC -dumpversion`
@@ -122,5 +128,26 @@ if test $ac_cv_sizeof_long_long -lt 8;then
 	AC_MSG_ERROR([LIBREPLACE needs sizeof(long long) >= 8])
 fi
 
+############################################
+# check if the compiler can do immediate structures
+AC_CACHE_CHECK([for immediate structures],samba_cv_immediate_structures, [
+    AC_TRY_COMPILE([
+#include <stdio.h>],
+[
+   typedef struct {unsigned x;} FOOBAR;
+   #define X_FOOBAR(x) ((FOOBAR) { x })
+   #define FOO_ONE X_FOOBAR(1)
+   FOOBAR f = FOO_ONE;   
+   static const struct {
+	FOOBAR y; 
+	} f2[] = {
+		{FOO_ONE}
+	};   
+],
+	samba_cv_immediate_structures=yes,samba_cv_immediate_structures=no)])
+if test x"$samba_cv_immediate_structures" = x"yes"; then
+   AC_DEFINE(HAVE_IMMEDIATE_STRUCTURES,1,[Whether the compiler supports immediate structures])
+fi
+
 AC__LIBREPLACE_ONLY_CC_CHECKS_END
 ]) dnl end AC_LIBREPLACE_CC_CHECKS
diff --git a/source3/lib/replace/replace.h b/source3/lib/replace/replace.h
index edcdebe6bd..01f626390c 100644
--- a/source3/lib/replace/replace.h
+++ b/source3/lib/replace/replace.h
@@ -357,10 +357,10 @@ typedef int bool;
 #endif
 
 #ifndef _TRUE
-#define _TRUE
+#define _TRUE true
 #endif
 #ifndef _FALSE
-#define _FALSE
+#define _FALSE false
 #endif
 
 #ifndef HAVE_FUNCTION_MACRO
-- 
cgit