build: avoid -Wtautological-compare errors from gcc6+ by disabling it globally

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Jul 15 04:31:27 CEST 2016 on sn-devel-144

diff --git a/buildtools/wafsamba/samba_autoconf.py b/buildtools/wafsamba/samba_autoconf.py
index 09ce2189d8a3a849099fd6a840024b7803c07181..5f35d77615334347ba7660d54a93bc829c2b691a 100644 (file)
--- a/buildtools/wafsamba/samba_autoconf.py
+++ b/buildtools/wafsamba/samba_autoconf.py
@@ -725,6 +725,7 @@ int main(void) {
 
     if Options.options.picky_developer:
         conf.ADD_NAMED_CFLAGS('PICKY_CFLAGS', '-Werror -Wno-error=deprecated-declarations', testflags=True)
+        conf.ADD_NAMED_CFLAGS('PICKY_CFLAGS', '-Wno-error=tautological-compare', testflags=True)
 
     if Options.options.fatal_errors:
         conf.ADD_CFLAGS('-Wfatal-errors', testflags=True)