From c6b91498a8ce7095aa214931fc213ffc010383fd Mon Sep 17 00:00:00 2001
From: techyian <ian.auty1@outlook.com>
Date: Fri, 25 Jan 2019 14:12:54 +0000
Subject: [PATCH] libs: added Raspberry Pi SDL support

---
 CMakeLists.txt | 62 ++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 48 insertions(+), 14 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b6a8290..cc8e50ec 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -639,25 +639,59 @@ if(BUNDLED_SDL AND BUILD_CLIENT)
 		set(SDL_WITH_GLES "${FEATURE_RENDERER_GLES}")
 	endif()
 
-	# ${CMAKE_CURRENT_BINARY_DIR}/libs/sdl2
-	# ${PROJECT_BINARY_DIR}/sdl2
-	ExternalProject_Add(bundled_sdl
-		SOURCE_DIR	${CMAKE_CURRENT_LIST_DIR}/sdl2
-		# DOWNLOAD_DIR ${LIBS_DOWNLOAD_DIR}/sdl2
-		# URL https://www.libsdl.org/release/SDL2-2.0.7.tar.gz
-		BINARY_DIR	${LIBS_BINARYDIR_DIR}/sdl2
-		CMAKE_ARGS	-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS} -DCMAKE_CXX_FLAGS_DEBUG=${CMAKE_CXX_FLAGS_DEBUG}
-		-DCMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE} -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS} -DCMAKE_OSX_DEPLOYMENT_TARGET="10.7"
-		-DVIDEO_OPENGLES=${SDL_WITH_GLES} -DSDL_SHARED=OFF -DSDL_RENDER=OFF -DRENDER_D3D=OFF -DFORCE_STATIC_VCRT=ON
-		-DCMAKE_INSTALL_PREFIX=${LIBS_BINARYDIR_DIR}/sdl2
-		PREFIX ${LIBS_BINARYDIR_DIR}/sdl2
-	)
+	if(ARM)
+		#check if we're running on Raspberry Pi
+		if(EXISTS "/opt/vc/include/bcm_host.h")
+			set(BCMHOST found)
+		endif()
+
+		if(DEFINED BCMHOST)
+			if (FEATURE_RENDERER_GLES)
+				ExternalProject_Add(bundled_sdl
+					SOURCE_DIR	${CMAKE_CURRENT_LIST_DIR}/sdl2
+					# DOWNLOAD_DIR ${LIBS_DOWNLOAD_DIR}/sdl2
+					# URL https://www.libsdl.org/release/SDL2-2.0.9.tar.gz
+					BINARY_DIR	${LIBS_BINARYDIR_DIR}/sdl2
+					CMAKE_ARGS	-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS} -DCMAKE_CXX_FLAGS_DEBUG=${CMAKE_CXX_FLAGS_DEBUG}
+					-DCMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE} -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS} -DCMAKE_OSX_DEPLOYMENT_TARGET="10.7"
+					-DVIDEO_OPENGLES=${SDL_WITH_GLES} -DSDL_SHARED=OFF -DSDL_RENDER=OFF -DRENDER_D3D=OFF -DFORCE_STATIC_VCRT=ON
+					-DCMAKE_INSTALL_PREFIX=${LIBS_BINARYDIR_DIR}/sdl2
+					PREFIX ${LIBS_BINARYDIR_DIR}/sdl2
+					CONFIGURE_COMMAND	${CMAKE_CURRENT_LIST_DIR}/sdl2/./configure --host=armv7l-raspberry-linux-gnueabihf --disable-pulseaudio --disable-esd --disable-video-mir --disable-video-wayland --disable-video-x11 --disable-video-opengl --prefix=${LIBS_BINARYDIR_DIR}/sdl2
+				)
+			else()
+				ExternalProject_Add(bundled_sdl
+					SOURCE_DIR	${CMAKE_CURRENT_LIST_DIR}/sdl2
+					# DOWNLOAD_DIR ${LIBS_DOWNLOAD_DIR}/sdl2
+					# URL https://www.libsdl.org/release/SDL2-2.0.9.tar.gz
+					BINARY_DIR	${LIBS_BINARYDIR_DIR}/sdl2
+					CMAKE_ARGS	-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS} -DCMAKE_CXX_FLAGS_DEBUG=${CMAKE_CXX_FLAGS_DEBUG}
+					-DCMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE} -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS} -DCMAKE_OSX_DEPLOYMENT_TARGET="10.7"
+					-DVIDEO_OPENGLES=${SDL_WITH_GLES} -DSDL_SHARED=OFF -DSDL_RENDER=OFF -DRENDER_D3D=OFF -DFORCE_STATIC_VCRT=ON
+					-DCMAKE_INSTALL_PREFIX=${LIBS_BINARYDIR_DIR}/sdl2
+					PREFIX ${LIBS_BINARYDIR_DIR}/sdl2
+					CONFIGURE_COMMAND	${CMAKE_CURRENT_LIST_DIR}/sdl2/./configure --host=armv7l-raspberry-linux-gnueabihf --prefix=${LIBS_BINARYDIR_DIR}/sdl2
+				)
+			endif()
+		endif()
+	else()
+		ExternalProject_Add(bundled_sdl
+			SOURCE_DIR	${CMAKE_CURRENT_LIST_DIR}/sdl2
+			# DOWNLOAD_DIR ${LIBS_DOWNLOAD_DIR}/sdl2
+			# URL https://www.libsdl.org/release/SDL2-2.0.9.tar.gz
+			BINARY_DIR	${LIBS_BINARYDIR_DIR}/sdl2
+			CMAKE_ARGS	-DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS} -DCMAKE_CXX_FLAGS_DEBUG=${CMAKE_CXX_FLAGS_DEBUG}
+			-DCMAKE_CXX_FLAGS_RELEASE=${CMAKE_CXX_FLAGS_RELEASE} -DCMAKE_C_FLAGS=${CMAKE_C_FLAGS} -DCMAKE_OSX_DEPLOYMENT_TARGET="10.7"
+			-DVIDEO_OPENGLES=${SDL_WITH_GLES} -DSDL_SHARED=OFF -DSDL_RENDER=OFF -DRENDER_D3D=OFF -DFORCE_STATIC_VCRT=ON
+			-DCMAKE_INSTALL_PREFIX=${LIBS_BINARYDIR_DIR}/sdl2
+			PREFIX ${LIBS_BINARYDIR_DIR}/sdl2
+		)
+	endif()
 
 	if(CMAKE_SYSTEM MATCHES "Darwin" OR WIN32)
 		set(SDL32_BUNDLED_LIBRARIES optimized "${LIBS_BINARYDIR_DIR}/sdl2/lib/${CMAKE_STATIC_LIBRARY_PREFIX}SDL2main${CMAKE_STATIC_LIBRARY_SUFFIX}" debug "${LIBS_BINARYDIR_DIR}/sdl2/lib/${CMAKE_STATIC_LIBRARY_PREFIX}SDL2maind${CMAKE_STATIC_LIBRARY_SUFFIX}")
 	endif()
 	set(SDL32_BUNDLED_LIBRARIES ${SDL32_BUNDLED_LIBRARIES} optimized "${LIBS_BINARYDIR_DIR}/sdl2/lib/${CMAKE_STATIC_LIBRARY_PREFIX}SDL2${CMAKE_STATIC_LIBRARY_SUFFIX}" debug "${LIBS_BINARYDIR_DIR}/sdl2/lib/${CMAKE_STATIC_LIBRARY_PREFIX}SDL2d${CMAKE_STATIC_LIBRARY_SUFFIX}")
-
 	set(SDL32_BUNDLED_INCLUDE_DIR "${LIBS_BINARYDIR_DIR}/sdl2/include")
 	set_target_properties(bundled_sdl PROPERTIES FOLDER ${BUNDLED_TARGETS_FOLDER})
 endif()