From d1ffb7c938eb130e0e6af868d1906056f1cfbd71 Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Wed, 30 Nov 2016 01:49:18 +0000
Subject: [PATCH 1/2] Install a basic pkg-config file.

(my cmake-fu is insufficient to get Libs.private into a path-
independent form, so it ends up with an absolute path in there)
---
 src/CMakeLists.txt |  8 ++++++++
 src/SDL2_gpu.pc.in | 12 ++++++++++++
 src/SDL_gpu.pc.in  | 12 ++++++++++++
 3 files changed, 32 insertions(+)
 create mode 100644 src/SDL2_gpu.pc.in
 create mode 100644 src/SDL_gpu.pc.in

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5a4eff18..2ca53e19 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -162,4 +162,12 @@ if(SDL_gpu_INSTALL)
 		install(TARGETS SDL_gpu EXPORT SDL_gpu-targets DESTINATION lib)
 	endif()
 
+	string(REPLACE ";" " " private_libs "${OPENGL_LIBRARIES}")
+	if(SDL_gpu_USE_SDL1)
+		configure_file(SDL_gpu.pc.in SDL_gpu.pc @ONLY)
+		install(FILES "${CMAKE_CURRENT_BINARY_DIR}/SDL_gpu.pc" DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")
+	else(SDL_gpu_USE_SDL1)
+		configure_file(SDL2_gpu.pc.in SDL2_gpu.pc @ONLY)
+		install(FILES "${CMAKE_CURRENT_BINARY_DIR}/SDL2_gpu.pc" DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")
+	endif(SDL_gpu_USE_SDL1)
 endif(SDL_gpu_INSTALL)
diff --git a/src/SDL2_gpu.pc.in b/src/SDL2_gpu.pc.in
new file mode 100644
index 00000000..e9482b68
--- /dev/null
+++ b/src/SDL2_gpu.pc.in
@@ -0,0 +1,12 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: SDL2_gpu
+Description: SDL2_gpu
+Version: @SDL_gpu_VERSION@
+Requires.private: sdl2
+Libs: -L${libdir} -lSDL2_gpu
+Libs.private: @private_libs@
+Cflags: -I${includedir}/SDL2
diff --git a/src/SDL_gpu.pc.in b/src/SDL_gpu.pc.in
new file mode 100644
index 00000000..87e21619
--- /dev/null
+++ b/src/SDL_gpu.pc.in
@@ -0,0 +1,12 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: SDL_gpu
+Description: SDL_gpu
+Version: @SDL_gpu_VERSION@
+Requires.private: sdl
+Libs: -L${libdir} -lSDL_gpu
+Libs.private: @private_libs@
+Cflags: -I${includedir}/SDL

From 1c079e7beb9848b756a330d43353f14cb6c05e35 Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Thu, 1 Dec 2016 02:31:00 +0000
Subject: [PATCH 2/2] Try to handle win32 builds which have bare GL library
 names ("opengl32")

---
 src/CMakeLists.txt | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 2ca53e19..4e00af17 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -162,7 +162,15 @@ if(SDL_gpu_INSTALL)
 		install(TARGETS SDL_gpu EXPORT SDL_gpu-targets DESTINATION lib)
 	endif()
 
-	string(REPLACE ";" " " private_libs "${OPENGL_LIBRARIES}")
+	set(private_libs "")
+	foreach(gl_lib ${SDL_gpu_GL_LIBRARIES})
+		if(EXISTS ${gl_lib})
+			set(private_libs "${private_libs} ${gl_lib}")
+		else(EXISTS ${gl_lib})
+			set(private_libs "${private_libs} -l${gl_lib}")
+		endif(EXISTS ${gl_lib})
+	endforeach()
+
 	if(SDL_gpu_USE_SDL1)
 		configure_file(SDL_gpu.pc.in SDL_gpu.pc @ONLY)
 		install(FILES "${CMAKE_CURRENT_BINARY_DIR}/SDL_gpu.pc" DESTINATION "${CMAKE_INSTALL_PREFIX}/lib/pkgconfig")