Use LTO to further reduce binary size.

.gitignore

@@ -1,3 +1,3 @@
-build/
+build*
 examples/xmgl/vs.h
 examples/xmgl/fs.h

CMakeLists.txt

@@ -27,13 +27,8 @@ ADD_DEFINITIONS("-g")
 ENDIF()
 
 IF(XM_DEMO_MODE)
-ADD_DEFINITIONS("-Os")
-ADD_DEFINITIONS("-fdata-sections -ffunction-sections")
-IF(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
-SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -dead_strip")
-ELSE()
+ADD_DEFINITIONS("-Os -fdata-sections -ffunction-sections -flto -fuse-linker-plugin")
 SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -Wl,--gc-sections")
-ENDIF()
 ELSE()
 ADD_DEFINITIONS("-O2")
 ENDIF()

Makefile

@@ -1,13 +1,14 @@
-build-debug: build
-	@cd build && cmake -D XM_DEBUG=ON -D XM_DEFENSIVE=ON ..
+build: build-debug build-prod
 
-build-demo: build
-	@cd build && cmake -D XM_DEBUG=OFF -D XM_DEFENSIVE=OFF -D XM_DEMO_MODE=ON ..
+build-debug:
+	mkdir $@
+	@cd $@ && CC=gcc cmake -D XM_DEBUG=ON -D XM_DEFENSIVE=ON -D XM_DEMO_MODE=OFF ..
 
-build:
-	@mkdir -p build
+build-prod:
+	mkdir $@
+	@cd $@ && CC=gcc cmake -D XM_DEBUG=OFF -D XM_DEFENSIVE=OFF -D XM_DEMO_MODE=ON ..
 
 dist-clean:
-	@rm -Rf build
+	@rm -Rf build-debug build-prod
 
 .PHONY: build dist-clean

examples/xmgl/CMakeLists.txt

@@ -1,18 +1,20 @@
 FIND_PACKAGE(PkgConfig)
 
+FIND_PACKAGE(OpenGL)
+
 IF(${PKG_CONFIG_FOUND})
 PKG_SEARCH_MODULE(GLFW glfw3)
 PKG_SEARCH_MODULE(JACK jack)
-IF(${GLFW_FOUND} AND ${JACK_FOUND})
+IF(${GLFW_FOUND} AND ${JACK_FOUND} AND ${OPENGL_FOUND})
 
 ADD_EXECUTABLE(filetoh filetoh.c)
 
 ADD_CUSTOM_COMMAND(OUTPUT vs.h COMMAND filetoh vs vs.c DEPENDS filetoh vs.c WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
 ADD_CUSTOM_COMMAND(OUTPUT fs.h COMMAND filetoh fs fs.c DEPENDS filetoh fs.c WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
 
 ADD_EXECUTABLE(xmgl xmgl.c vs.h fs.h)
-INCLUDE_DIRECTORIES(${GLFW_INCLUDE_DIRS} ${JACK_INCLUDE_DIRS})
-TARGET_LINK_LIBRARIES(xmgl ${JACK_LIBRARIES} ${XM_LIBRARIES} xms ${GLFW_STATIC_LIBRARIES})
+INCLUDE_DIRECTORIES(${GLFW_INCLUDE_DIRS} ${JACK_INCLUDE_DIRS} ${OPENGL_INCLUDE_DIR})
+TARGET_LINK_LIBRARIES(xmgl ${JACK_LIBRARIES} ${XM_LIBRARIES} xms ${OPENGL_gl_LIBRARY} ${GLFW_LIBRARIES})
 
 ENDIF()
 ENDIF()

examples/xmtowav.c

@@ -10,7 +10,7 @@
 
 static const unsigned int channels = 2;
 static const unsigned int rate = 48000;
-static const size_t buffer_size = rate;
+static const size_t buffer_size = 48000;
 
 void puts_uint32_le(uint32_t i, FILE* f) {
 	char* c = (char*)(&i);