[oe] [meta-qt5][PATCH] qtwebengine: disable SECURITY_STRINGFORMAT to fix the build

[Martin Jansa]

* meta/conf/distro/include/security_flags.inc adds -Wformat and
  -Wformat-security, but openh264 adds -Wno-format after that causing
  build to fail

Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com>
---
 recipes-qt/qt5/qtwebengine_git.bb | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/recipes-qt/qt5/qtwebengine_git.bb b/recipes-qt/qt5/qtwebengine_git.bb
index 45b885c..830e640 100644
--- a/recipes-qt/qt5/qtwebengine_git.bb
+++ b/recipes-qt/qt5/qtwebengine_git.bb
@@ -34,6 +34,14 @@ EXTRA_QMAKEVARS_PRE += "GYP_CONFIG+=use_system_yasm \
 "
 EXTRA_QMAKEVARS_CONFIGURE += "-feature-system-ninja -no-feature-system-gn"
 
+# chromium/third_party/openh264/openh264.gyp adds
+# -Wno-format to openh264_cflags_add
+# similarly chromium/third_party/openh264/BUILD.gn for newer qtwebengine
+# causing following error, because -Wformat-security cannot be used together with -Wno-format
+# cc1plus: error: -Wformat-security ignored without -Wformat [-Werror=format-security]
+# http://errors.yoctoproject.org/Errors/Details/150333/
+SECURITY_STRINGFORMAT = ""
+
 # To use system ffmpeg you need to enable also libwebp, opus, vpx											    
 # Only depenedencies available in oe-core are enabled by default
 PACKAGECONFIG ??= "libwebp flac libevent libxslt speex nss"
-- 
2.14.0