added cmake build scripts

CMakeLists.txt

@@ -0,0 +1,58 @@
+cmake_minimum_required(VERSION 2.6)
+
+#
+# Execute these commands in this directory:
+#
+# 1. mkdir build/; cd build/
+#
+# 2. Choose compiler:
+#   Build with native toolchain:
+#    cmake -DCMAKE_BUILD_TYPE=Debug ..
+#
+#   Build with mingw:
+#    cmake -DCMAKE_TOOLCHAIN_FILE=../CMakeLists_mingw.txt -DCMAKE_BUILD_TYPE=Debug ..
+#
+# 3. make
+#
+
+
+# project title
+set (PROJECT openrct2)
+# OpenRCT2 resource directory
+set (ORCT2_RESOURCE_DIR ${CMAKE_INSTALL_PREFIX}/share/${PROJECT}/)
+
+project(${PROJECT})
+
+add_definitions(-DORCT2_RESOURCE_DIR="${ORCT2_RESOURCE_DIR}")
+
+# include lodepng
+include_directories("lodepng/")
+file(GLOB_RECURSE ORCT2_SOURCES "src/*.c" "lodepng/*.c")
+
+# build as library for now, replace with add_executable
+add_library(${PROJECT} SHARED ${ORCT2_SOURCES})
+
+# install into ${CMAKE_INSTALL_PREFIX}/bin/
+install (TARGETS ${PROJECT} DESTINATION bin)
+
+# libopenrct2.dll -> openrct2.dll
+set_target_properties(${PROJECT} PROPERTIES PREFIX "")
+
+if (UNIX)
+	# force 32bit build for now and set necessary flags to compile code as is
+	set(CMAKE_C_FLAGS "-m32 -masm=intel -std=c99")
+	set(CMAKE_LDFLAGS_FLAGS "-m32")
+
+	# find and include SDL2
+	INCLUDE(FindPkgConfig)
+	PKG_SEARCH_MODULE(SDL2 REQUIRED sdl2)
+	INCLUDE_DIRECTORIES(${SDL2_INCLUDE_DIRS})
+	TARGET_LINK_LIBRARIES(${PROJECT} ${SDL2_LIBRARIES})
+endif (UNIX)
+
+TARGET_LINK_LIBRARIES(${PROJECT} ${SDL2_LIBRARIES})
+
+if (WIN32)
+	target_link_libraries(${PROJECT} winmm.lib -limm32 -lversion)
+endif (WIN32)
+

CMakeLists_mingw.txt

@@ -0,0 +1,28 @@
+SET(CMAKE_SYSTEM_NAME Windows)
+
+SET(COMPILER_PREFIX i686-w64-mingw32)
+SET(CMAKE_C_COMPILER ${COMPILER_PREFIX}-gcc)
+SET(CMAKE_CXX_COMPILER ${COMPILER_PREFIX}-c++)
+SET(CMAKE_RC_COMPILER ${COMPILER_PREFIX}-windres)
+SET(CMAKE_PKGCONFIG_EXECUTABLE ${COMPILER_PREFIX}-pkg-config)
+SET(PKG_CONFIG_EXECUTABLE ${COMPILER_PREFIX}-pkg-config)
+
+set(CMAKE_C_FLAGS "-masm=intel -std=gnu99" CACHE STRING "" FORCE)
+set(CMAKE_SHARED_LINKER_FLAGS "-static-libgcc" CACHE STRING "" FORCE)
+
+include_directories("/usr/include/wine/windows/")
+
+# find and include SDL2
+INCLUDE(FindPkgConfig)
+PKG_SEARCH_MODULE(SDL2 REQUIRED sdl2)
+INCLUDE_DIRECTORIES(${SDL2_INCLUDE_DIRS})
+
+# here is the target environment located
+SET(CMAKE_FIND_ROOT_PATH /usr/${COMPILER_PREFIX})
+
+# adjust the default behaviour of the FIND_XXX() commands:
+# search headers and libraries in the target environment, search 
+# programs in the host environment
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)