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From be12f82cf1ca652b06995e84971c878621315d24 Mon Sep 17 00:00:00 2001
From: Lukas Slebodnik <lslebodn@redhat.com>
Date: Tue, 6 Dec 2016 18:07:43 +0100
Subject: [PATCH 3/4] WAF: Fix detection os sysname ...
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Detection of sysname failed with stricter CFLAGS
"-Werrorr=implicit-function-declaration -Werror=implicit-int"

  Checking uname sysname type              : not found
  Checking uname machine type              : not found
  Checking uname release type              : not found
  Checking uname version type              : not found

../test.c: In function ‘main’:
../test.c:8:32: error: implicit declaration of function ‘printf’
    [-Werror=implicit-function-declaration]
                                printf("%s", n.sysname);
                                ^~~~~~
../test.c:8:32: warning: incompatible implicit declaration
    of built-in function ‘printf’
../test.c:8:32: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’

Signed-off-by: Lukas Slebodnik <lslebodn@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
---
 buildtools/wafsamba/samba_conftests.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/buildtools/wafsamba/samba_conftests.py b/buildtools/wafsamba/samba_conftests.py
index c9f8fdc0131838b44dc92196fa95c6b2f7aea506..72e432164984c7faa9bc93745d401b5c38849d37 100644
--- a/buildtools/wafsamba/samba_conftests.py
+++ b/buildtools/wafsamba/samba_conftests.py
@@ -438,6 +438,7 @@ def CHECK_UNAME(conf):
     ret = True
     for v in "sysname machine release version".split():
         if not conf.CHECK_CODE('''
+                               int printf(const char *format, ...);
                                struct utsname n;
                                if (uname(&n) == -1) return -1;
                                printf("%%s", n.%s);
-- 
2.11.1