1 files changed, 38 insertions, 0 deletions
diff --git a/media-gfx/luminance-hdr/files/luminance-hdr-2.3.1-openmp-automagic.patch b/media-gfx/luminance-hdr/files/luminance-hdr-2.3.1-openmp-automagic.patch
new file mode 100644
index 000000000000..d83e64e0c21f
--- /dev/null
+++ b/media-gfx/luminance-hdr/files/luminance-hdr-2.3.1-openmp-automagic.patch
@@ -0,0 +1,38 @@
+--- luminance-hdr-2.3.1/cmake/CompilerSettings.cmake
++++ luminance-hdr-2.3.1/cmake/CompilerSettings.cmake
+@@ -8,6 +8,8 @@
+ ENDIF()
+ ENDIF()
+ 
++OPTION(USE_OPENMP "Use openmp threading support." ON)
++
+ #Activate C++11 support, when available
+ if("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
+     execute_process(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
+@@ -39,16 +41,18 @@
+ endif()
+ 
+ #OpenMP Support under Linux, Windows with MSVC & MacOS X with GCC >= 4.3
+-IF(MSVC)
+-    FIND_PACKAGE(OpenMP REQUIRED)
+-    SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+-    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
+-ELSEIF(CMAKE_COMPILER_IS_GNUCC AND UNIX)
+-    EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
+-    IF(GCC_VERSION VERSION_GREATER 4.3 OR GCC_VERSION VERSION_EQUAL 4.3)
+-        MESSAGE(STATUS "GCC >= 4.3")
++IF(USE_OPENMP)
++    IF(MSVC)
+         FIND_PACKAGE(OpenMP REQUIRED)
+         SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
+         SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
++    ELSEIF(CMAKE_COMPILER_IS_GNUCC AND UNIX)
++        EXECUTE_PROCESS(COMMAND ${CMAKE_CXX_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
++        IF(GCC_VERSION VERSION_GREATER 4.3 OR GCC_VERSION VERSION_EQUAL 4.3)
++            MESSAGE(STATUS "GCC >= 4.3")
++            FIND_PACKAGE(OpenMP REQUIRED)
++            SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
++            SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${OpenMP_C_FLAGS}")
++        ENDIF()
+     ENDIF()
+ ENDIF()