From 0b959458ffc9d253b088fbb61c1b701152c5f71b Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Wed, 16 Sep 2015 19:08:26 +0500
Subject: CMake: Don't modify global CFlags when enabling/disabling OpenJpeg

---
 CMakeLists.txt                      | 3 ++-
 extern/libopenjpeg/CMakeLists.txt   | 3 +++
 source/blender/imbuf/CMakeLists.txt | 2 +-
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5b68ef1c26a..01116eec429 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2320,9 +2320,10 @@ endif()
 if(WITH_IMAGE_OPENJPEG)
 	if(WITH_SYSTEM_OPENJPEG)
 		# dealt with above
+		set(OPENJPEG_DEFINES "")
 	else()
 		set(OPENJPEG_INCLUDE_DIRS "${CMAKE_SOURCE_DIR}/extern/libopenjpeg")
-		add_definitions(-DOPJ_STATIC)
+		set(OPENJPEG_DEFINES "-DOPJ_STATIC")
 	endif()
 endif()
 
diff --git a/extern/libopenjpeg/CMakeLists.txt b/extern/libopenjpeg/CMakeLists.txt
index c602ddcabb9..82eeb01b4d4 100644
--- a/extern/libopenjpeg/CMakeLists.txt
+++ b/extern/libopenjpeg/CMakeLists.txt
@@ -31,10 +31,13 @@ set(INC_SYS
 
 )
 
+# TODO(sergey): Handle this via OPENJPEG_DEFINES
 if(WIN32)
 	add_definitions(-DOPJ_STATIC)
 endif()
 
+add_definitions(${OPENJPEG_DEFINES})
+
 set(SRC
 	bio.c
 	cio.c
diff --git a/source/blender/imbuf/CMakeLists.txt b/source/blender/imbuf/CMakeLists.txt
index bdd8230a6ff..295a48dc245 100644
--- a/source/blender/imbuf/CMakeLists.txt
+++ b/source/blender/imbuf/CMakeLists.txt
@@ -120,7 +120,7 @@ if(WITH_IMAGE_OPENJPEG)
 		intern/jp2.c
 	)
 
-	add_definitions(-DWITH_OPENJPEG)
+	add_definitions(-DWITH_OPENJPEG ${OPENJPEG_DEFINES})
 endif()
 
 if(WITH_IMAGE_REDCODE)
-- 
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