From 179df26359e81706267137692a42b90912995c35 Mon Sep 17 00:00:00 2001
From: Ghislain MARY <ghislain.mary@belledonne-communications.com>
Date: Mon, 23 May 2016 14:17:51 +0200
Subject: [PATCH] Prevent CMake from using -isystem instead of -I for include
 directories of targets imported by find_package().

---
 cmake/CMakeLists.txt | 1 +
 prepare.py           | 1 +
 2 files changed, 2 insertions(+)

diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 32710b2..4b702d4 100755
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -98,6 +98,7 @@ list(APPEND LINPHONE_BUILDER_EP_VARS
 	CMAKE_MODULE_LINKER_FLAGS:STRING
 	CMAKE_MODULE_PATH:PATH
 	CMAKE_NO_BUILD_TYPE:BOOL
+	CMAKE_NO_SYSTEM_FROM_IMPORTED:BOOL
 	CMAKE_PREFIX_PATH:STRING
 	CMAKE_PROGRAM_PATH:STRING
 	CMAKE_RUNTIME_OUTPUT_DIRECTORY:PATH
diff --git a/prepare.py b/prepare.py
index 385f20c..298b435 100755
--- a/prepare.py
+++ b/prepare.py
@@ -65,6 +65,7 @@ class Target:
             cmd += ['-A', self.platform_name]
         cmd += ['-DCMAKE_BUILD_TYPE=' + build_type]
         cmd += ['-DCMAKE_PREFIX_PATH=' + self.output_dir(), '-DCMAKE_INSTALL_PREFIX=' + self.output_dir()]
+        cmd += ['-DCMAKE_NO_SYSTEM_FROM_IMPORTED=YES']
         cmd += ['-DLINPHONE_BUILDER_WORK_DIR=' + self.abs_work_dir]
         if self.toolchain_file is not None:
             cmd += ['-DCMAKE_TOOLCHAIN_FILE=' + self.toolchain_file]
-- 
2.21.0