cmake_minimum_required(VERSION 2.6)
project(GBAc)
set(BINARY_NAME gbac CACHE INTERNAL "Name of output binaries")
set(CMAKE_C_FLAGS_DEBUG "-g -Wall -Wextra --std=gnu99")
set(CMAKE_C_FLAGS_RELEASE "-O3 -Wall -Wextra --std=gnu99")
set(USE_CLI_DEBUGGER ON CACHE BOOL "Whether or not to enable the CLI-mode ARM debugger")
set(USE_GDB_STUB ON CACHE BOOL "Whether or not to enable the GDB stub ARM debugger")
set(BUILD_SDL ON CACHE BOOL "Build SDL frontend")
set(BUILD_PERF ON CACHE BOOL "Build performance profiling tool")
file(GLOB ARM_SRC ${CMAKE_SOURCE_DIR}/src/arm/*.c)
file(GLOB GBA_SRC ${CMAKE_SOURCE_DIR}/src/gba/*.c)
file(GLOB UTIL_SRC ${CMAKE_SOURCE_DIR}/src/util/*.[cS])
file(GLOB RENDERER_SRC ${CMAKE_SOURCE_DIR}/src/gba/renderers/video-software.c)
set(UTIL_SRC ${UTIL_SRC};${CMAKE_SOURCE_DIR}/src/platform/commandline.c)
source_group("ARM core" FILES ${ARM_SRC})
source_group("GBA board" FILES ${GBA_SRC} ${RENDERER_SRC})
source_group("Utilities" FILES ${UTIL_SRC})
include_directories(${CMAKE_SOURCE_DIR}/src/arm)
include_directories(${CMAKE_SOURCE_DIR}/src/gba)
include_directories(${CMAKE_SOURCE_DIR}/src)

if(WIN32)
	add_definitions(-D_WIN32_WINNT=0x0600)
	set(OS_LIB "${OS_LIB};Ws2_32")
	file(GLOB OS_SRC ${CMAKE_SOURCE_DIR}/src/platform/windows/*.c)
	source_group("Windows-specific code" FILES ${OS_SRC})
else()
	add_definitions(-DUSE_PTHREADS)
	set(OS_LIB "${OS_LIB};pthread")
	file(GLOB OS_SRC ${CMAKE_SOURCE_DIR}/src/platform/posix/*.c)
	source_group("POSIX-specific code" FILES ${OS_SRC})
endif()

if(BUILD_BBB OR BUILD_RASPI)
	enable_language(ASM)
	if(NOT BUILD_EGL)
		add_definitions(-DCOLOR_16_BIT -DCOLOR_5_6_5)
	endif()
endif()

set(DEBUGGER_SRC "${CMAKE_SOURCE_DIR}/src/debugger/debugger.c;${CMAKE_SOURCE_DIR}/src/debugger/memory-debugger.c")

if(USE_CLI_DEBUGGER)
	add_definitions(-DUSE_CLI_DEBUGGER)
	set(DEBUGGER_SRC "${DEBUGGER_SRC};${CMAKE_SOURCE_DIR}/src/debugger/cli-debugger.c")
	set(DEBUGGER_LIB "edit")
else()
	set(DEBUGGER_LIB "")
endif()

if(USE_GDB_STUB)
	add_definitions(-DUSE_GDB_STUB)
	set(DEBUGGER_SRC "${DEBUGGER_SRC};${CMAKE_SOURCE_DIR}/src/debugger/gdb-stub.c")
endif()
source_group("ARM debugger" FILES ${DEBUGGER_SRC})

add_library(${BINARY_NAME} SHARED ${ARM_SRC} ${GBA_SRC} ${DEBUGGER_SRC} ${RENDERER_SRC} ${UTIL_SRC} ${OS_SRC})
target_link_libraries(${BINARY_NAME} m ${DEBUGGER_LIB} ${OS_LIB})

if(BUILD_SDL)
	add_subdirectory(${CMAKE_SOURCE_DIR}/src/platform/sdl ${CMAKE_BINARY_DIR}/sdl)
endif()

if(BUILD_PERF)
	set(PERF_SRC ${CMAKE_SOURCE_DIR}/src/platform/perf-main.c)
	if(UNIX AND NOT APPLE)
		set(PERF_LIB "${PERF_LIB};rt")
	endif()

	add_executable(${BINARY_NAME}-perf ${PERF_SRC})
	target_link_libraries(${BINARY_NAME}-perf ${BINARY_NAME} ${PERF_LIB})
endif()