Add preliminary CMake build. Not replacing the makefile for now, will in the future.

CMakeLists.txt

@@ -0,0 +1,26 @@
+cmake_minimum_required(VERSION 3.1)
+
+# External cmake modules
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/external/cmake ${CMAKE_MODULE_PATH})
+
+project("NewOswan")
+
+include(GetGitRevisionDescription)
+git_describe(VERSION --tags --dirty=-dirty)
+
+find_package(SDL 1.2 REQUIRED)
+
+set(CMAKE_C_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-unused-result -Wno-write-strings -Werror")
+set(CMAKE_CXX_FLAGS "-Wall -Wextra -Wno-unused-parameter -Wno-unused-result -Wno-write-strings -Werror")
+
+message("-- Building version ${VERSION}")
+
+add_executable(wonderswan main.cpp)
+
+target_compile_definitions(wonderswan PUBLIC VERSION="${VERSION}")
+target_include_directories(wonderswan PUBLIC source)
+target_include_directories(wonderswan PUBLIC ${SDL_INCLUDE_DIR})
+
+add_subdirectory(source)
+
+target_link_libraries(wonderswan wswan ${SDL_LIBRARY})

source/CMakeLists.txt

@@ -0,0 +1,11 @@
+set(SOURCES audio.cpp emulate.cpp gpu.cpp io.cpp log.cpp memory.cpp rom.cpp ws.cpp)
+set(HEADERS audio.h emulate.h gpu.h ieeprom.h initialIo.h io.h log.h memory.h rom.h SDLptc.h ws.h)
+
+add_library(wswan ${SOURCES} ${HEADERS})
+
+target_link_libraries(wswan nec_v30)
+
+target_include_directories(wswan PUBLIC .)
+target_include_directories(wswan PUBLIC ${SDL_INCLUDE_DIR})
+
+add_subdirectory(nec)

source/nec/CMakeLists.txt

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+set(SOURCES nec.cpp)
+set(HEADERS nec.h necea.h necinstr.h necintrf.h necmodrm.h)
+
+add_library(nec_v30 ${SOURCES} ${HEADERS})