include(CheckCXXCompilerFlag)

set(YAML_CPP_VERSION_MAJOR "0")
set(YAML_CPP_VERSION_MINOR "3")
set(YAML_CPP_VERSION_PATCH "0")
set(YAML_CPP_VERSION "${YAML_CPP_VERSION_MAJOR}.${YAML_CPP_VERSION_MINOR}.${YAML_CPP_VERSION_PATCH}")

enable_testing()


###
### Project options
###
## Project stuff
set(YAML_CPP_BUILD_TOOLS  OFF)
set(YAML_CPP_BUILD_CONTRIB  OFF)

## Build options
# --> General
# see http://www.cmake.org/cmake/help/cmake2.6docs.html#variable:BUILD_SHARED_LIBS
#     http://www.cmake.org/cmake/help/cmake2.6docs.html#command:add_library
set(BUILD_SHARED_LIBS OFF)

# --> Apple
option(APPLE_UNIVERSAL_BIN "Apple: Build universal binary" OFF)


###
### Sources, headers, directories and libs
###
set(header_directory "include/yaml-cpp-pm/")

file(GLOB sources "src/[a-zA-Z]*.cpp")
file(GLOB public_headers "include/yaml-cpp-pm/[a-zA-Z]*.h")
file(GLOB private_headers "src/[a-zA-Z]*.h")

add_definitions(-DYAML_CPP_NO_CONTRIB)

include_directories(${CMAKE_CURRENT_SOURCE_DIR}/include)
include_directories(${CMAKE_CURRENT_SOURCE_DIR}/src)
###
### General compilation settings
###
if(BUILD_SHARED_LIBS)
	set(LABEL_SUFFIX "shared")
else()
	set(LABEL_SUFFIX "static")
endif()

if(APPLE)
	if(APPLE_UNIVERSAL_BIN)
		set(CMAKE_OSX_ARCHITECTURES ppc;i386)
	endif()
endif()

if(WIN32)
	if(BUILD_SHARED_LIBS)
		add_definitions(-D${PROJECT_NAME}_DLL)	# use or build Windows DLL
	endif()
	if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
		set(CMAKE_INSTALL_PREFIX "C:/")
	endif()
endif()

# GCC / Clang specialities
if(CMAKE_COMPILER_IS_GNUCXX OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
	### General stuff
	if(WIN32)
		set(CMAKE_SHARED_LIBRARY_PREFIX "")	# DLLs do not have a "lib" prefix
		set(CMAKE_IMPORT_LIBRARY_PREFIX "")	# same for DLL import libs
		set(CMAKE_LINK_DEF_FILE_FLAG "")	# CMake workaround (2.8.3)
	endif()

	### Project stuff
	if(NOT CMAKE_CONFIGURATION_TYPES AND NOT CMAKE_BUILD_TYPE)
		set(CMAKE_BUILD_TYPE Release)
	endif()
	#
	set(CMAKE_CXX_FLAGS_RELEASE "-O2")
	set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
	set(CMAKE_CXX_FLAGS_DEBUG "-g")
	set(CMAKE_CXX_FLAGS_MINSIZEREL "-Os")
	#
	set(GCC_EXTRA_OPTIONS "")
	#
	set(FLAG_TESTED "-Wextra")
	check_cxx_compiler_flag(${FLAG_TESTED} FLAG_WEXTRA)
	if(FLAG_WEXTRA)
		set(GCC_EXTRA_OPTIONS "${GCC_EXTRA_OPTIONS} ${FLAG_TESTED}")
	endif()
	#
	set(CMAKE_CXX_FLAGS "-Wall ${GCC_EXTRA_OPTIONS} -fPIC -pedantic -Wno-long-long ${CMAKE_CXX_FLAGS}")
	#
	add_custom_target(debuggable $(MAKE) clean
		COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Debug ${CMAKE_SOURCE_DIR}
		COMMENT "Adjusting settings for debug compilation"
		VERBATIM)
	add_custom_target(releasable $(MAKE) clean
		COMMAND ${CMAKE_COMMAND} -DCMAKE_BUILD_TYPE=Release ${CMAKE_SOURCE_DIR}
		COMMENT "Adjusting settings for release compilation"
		VERBATIM)
endif()


###
### Library
###
add_library(yaml-cpp-pm
	${sources}
	${public_headers}
	${private_headers}
	${contrib_sources}
	${contrib_public_headers}
	${contrib_private_headers}
)

set_target_properties(yaml-cpp-pm PROPERTIES
	VERSION "${YAML_CPP_VERSION}"
	SOVERSION "${YAML_CPP_VERSION_MAJOR}.${YAML_CPP_VERSION_MINOR}"
	PROJECT_LABEL "yaml-cpp ${LABEL_SUFFIX}"
)