[gnome-continuous-yocto/gnomeostree-3.28-rocko: 2294/8267] cmake.bbclass: avoid treating imports as system includes

[Emmanuele Bassi <ebassi src gnome org>]

commit 79d45bf56d6cabbe3b66859833c7c3ea93465728
Author: Andreas Müller <schnitzeltony googlemail com>
Date:   Tue Sep 6 23:41:23 2016 +0200

    cmake.bbclass: avoid treating imports as system includes
    
    CMake sets all imported headers as system headers. This causes trouble for c++
    projects [1].
    
    Thanks to Jack Mitchell for pointing to the setting [2]. Build tested upon
    meta-qt5-extra-world which had lots of fallout before.
    
    [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70129
    [2] http://lists.openembedded.org/pipermail/openembedded-core/2016-September/126067.html
    
    (From OE-Core rev: a5bf690e27a32c5470a4e110ab58ed0a92b9d039)
    
    Signed-off-by: Andreas Müller <schnitzeltony googlemail com>
    Signed-off-by: Ross Burton <ross burton intel com>
    Signed-off-by: Richard Purdie <richard purdie linuxfoundation org>

 meta/classes/cmake.bbclass |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/meta/classes/cmake.bbclass b/meta/classes/cmake.bbclass
index 5203d8a..7091f8b 100644
--- a/meta/classes/cmake.bbclass
+++ b/meta/classes/cmake.bbclass
@@ -120,6 +120,7 @@ cmake_do_configure() {
          -DCMAKE_INSTALL_SO_NO_EXE=0 \
          -DCMAKE_TOOLCHAIN_FILE=${WORKDIR}/toolchain.cmake \
          -DCMAKE_VERBOSE_MAKEFILE=1 \
+         -DCMAKE_NO_SYSTEM_FROM_IMPORTED=1 \
          ${EXTRA_OECMAKE} \
          -Wno-dev
 }