[PATCH v4 3/4] cmake.bbclass: move CMAKE_NO_SYSTEM_FROM_IMPORTED to toolchain.cmake

[Pascal Bach <pascal.bach@siemens.com>]

The setting influences the build like other settings already in toolchain.cmake.
It is more appropriate to set it there instead of providing it as a random
command line parameter to CMake.

It also makes it easier to use the toolchain.cmake file independent of bitbake.
Like the devshell for example.

Signed-off-by: Pascal Bach <pascal.bach@siemens.com>
---
 meta/classes/cmake.bbclass | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/meta/classes/cmake.bbclass b/meta/classes/cmake.bbclass
index ce3c0278ff..0ef63795eb 100644
--- a/meta/classes/cmake.bbclass
+++ b/meta/classes/cmake.bbclass
@@ -108,6 +108,9 @@ list(APPEND CMAKE_MODULE_PATH "${STAGING_DATADIR}/cmake/Modules/")
 # add for non /usr/lib libdir, e.g. /usr/lib64
 set( CMAKE_SYSTEM_LIBRARY_PATH ${libdir} ${base_libdir})
 
+# avoid treating imports as system includes
+set( CMAKE_NO_SYSTEM_FROM_IMPORTED ON)
+
 EOF
 }
 
@@ -152,7 +155,6 @@ 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
 }
-- 
2.11.0