project(darling-libsystem_c)

cmake_minimum_required(VERSION 2.4.0)
if(COMMAND cmake_policy)
	cmake_policy(SET CMP0003 NEW)
	cmake_policy(SET CMP0018 NEW)
endif(COMMAND cmake_policy)


# -DHAVE_STDINT_H=1 -I libc/include -I platform-include/ -I kernel-include/ -I
# libc/locale/ -I libc/locale/FreeBSD/ -I libc/stdtime/FreeBSD -I
# platform-include/pthread/ -I libc/fbsdcompat -I libc/pthreads -nostdinc
# -DTARGET_CPU_X86_64=1 -DTARGET_OS_MAC=1

add_definitions(-DTARGET_OS_MAC=1)
add_definitions(-DHAVE_STDINT_H=1)
add_definitions(-D__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__=1080)
add_definitions(-D__LIBC__ -D__DARWIN_UNIX03=1 -D__DARWIN_64_BIT_INO_T=1 -D__DARWIN_NON_CANCELABLE=1 -D__DARWIN_VERS_1050=1)
#add_definitions("'-D__weak_reference(sym,alias)=__asm__(\".weak \" \\\#alias );__asm__(\".equ \" \\\#alias \", \" \\\#sym)'")
#add_definitions("'-D__weak_reference(sym,alias)='")
add_definitions("'-D__warn_references(name,warning)='")
add_definitions(-Ddladdr=__darwin_dladdr)
add_definitions(-DBUILDING_LIBC)

# Hide warnings that get spammed
add_definitions(
	-Wno-gnu-include-next
	-Wno-undef
	-Wno-conversion
	-Wno-unused-parameter
	-Wno-sign-conversion
	-Wno-macro-redefined
)

set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -nostdinc -fPIC -w ")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -include ${CMAKE_CURRENT_SOURCE_DIR}/weak_reference.h")
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ggdb -O0") # development flags
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -nostdlib -Wl,--version-script=${DARLING_TOP_DIRECTORY}/darwin.map -Bsymbolic-functions")
set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -Wl,--defsym=__darwin_pthread_self=pthread_self")

include_directories("${CMAKE_CURRENT_SOURCE_DIR}/fbsdcompat")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/pthreads")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/darwin")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../libmalloc/src")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/locale")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/gen")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/locale/FreeBSD")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/include/NetBSD")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/stdtime/FreeBSD")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../external/libdispatch")
include_directories("${CMAKE_CURRENT_SOURCE_DIR}/../external/libdispatch/private")

add_subdirectory(db) # produces libc-db
add_subdirectory(compat-43) # produces libc-compat
add_subdirectory(emulated) # produces libc-emulated
add_subdirectory(gdtoa) # produces libc-gdtoa
add_subdirectory(gen)
add_subdirectory(gmon)
add_subdirectory(os)
add_subdirectory(uuid)
add_subdirectory(util)
add_subdirectory(string)
add_subdirectory(stdtime)
add_subdirectory(sys)
add_subdirectory(stdlib)
add_subdirectory(stdio)
add_subdirectory(secure)
add_subdirectory(regex)
add_subdirectory(pthreads)
add_subdirectory(posix1e)
add_subdirectory(nls)
add_subdirectory(net)
add_subdirectory(locale)
add_subdirectory(threads)
add_subdirectory(platform)

# The following generate libc-hwplat
if (${CMAKE_SYSTEM_PROCESSOR} STREQUAL "i686")
	add_subdirectory(i386)

	# Pre-UNIX2003 variants
	set(extra_objs
		$<TARGET_OBJECTS:libc-stdio_legacy>
		$<TARGET_OBJECTS:libc-compat_legacy>
		$<TARGET_OBJECTS:libc-stdlib_legacy>
		$<TARGET_OBJECTS:libc-stdtime_legacy>
		$<TARGET_OBJECTS:libc-gen_legacy>
		$<TARGET_OBJECTS:libc-string_legacy>
		$<TARGET_OBJECTS:libc-gdtoa_legacy>
		$<TARGET_OBJECTS:libc-regex_legacy>
		$<TARGET_OBJECTS:libc-locale_legacy>
		$<TARGET_OBJECTS:libc-pthreads_legacy>
		$<TARGET_OBJECTS:libc-net_legacy>
	)
endif()

if (${CMAKE_SYSTEM_PROCESSOR} MATCHES "x86.64")
	add_subdirectory(x86_64)
endif()

add_subdirectory(darwin)

SET(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/darling")
SET(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE) 
SET(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

add_library(system_c SHARED
	$<TARGET_OBJECTS:libc-db>
	$<TARGET_OBJECTS:libc-compat>
	$<TARGET_OBJECTS:libc-compat_cancelable>
	$<TARGET_OBJECTS:libc-emulated>
	$<TARGET_OBJECTS:libc-gdtoa>
	$<TARGET_OBJECTS:libc-gen>
	$<TARGET_OBJECTS:libc-gen_pre1050>
	$<TARGET_OBJECTS:libc-gen_cancelable>
	$<TARGET_OBJECTS:libc-gen_noinode64>
	$<TARGET_OBJECTS:libc-gen_extsn>
	$<TARGET_OBJECTS:libc-gen_extsn_canc>
	$<TARGET_OBJECTS:libc-gmon>
	$<TARGET_OBJECTS:libc-os>
	$<TARGET_OBJECTS:libc-uuid>
	$<TARGET_OBJECTS:libc-util>
	$<TARGET_OBJECTS:libc-string>
	$<TARGET_OBJECTS:libc-stdtime>
	$<TARGET_OBJECTS:libc-sys>
	$<TARGET_OBJECTS:libc-sys_noinode64>
	$<TARGET_OBJECTS:libc-stdlib>
	$<TARGET_OBJECTS:libc-stdlib_extsn>
	$<TARGET_OBJECTS:libc-stdlib_cancelable>
	$<TARGET_OBJECTS:libc-stdio>
	$<TARGET_OBJECTS:libc-stdio_extsn>
	$<TARGET_OBJECTS:libc-secure>
	$<TARGET_OBJECTS:libc-regex>
	$<TARGET_OBJECTS:libc-pthreads>
	$<TARGET_OBJECTS:libc-pthreads_cancelable>
	$<TARGET_OBJECTS:libc-posix1e>
	$<TARGET_OBJECTS:libc-nls>
	$<TARGET_OBJECTS:libc-net>
	$<TARGET_OBJECTS:libc-net_cancelable>
	$<TARGET_OBJECTS:libc-locale>
	$<TARGET_OBJECTS:libc-hwplat>
	$<TARGET_OBJECTS:libc-threads>
	$<TARGET_OBJECTS:kqueue>
	$<TARGET_OBJECTS:libc-darwin>
	$<TARGET_OBJECTS:libc-platform>
	${extra_objs})
target_link_libraries(system_c system_kernel system_m)

install(TARGETS system_c DESTINATION ${CMAKE_INSTALL_LIBDIR}/darling)

# TODO: see ./xcodescripts/variants.xcconfig

#SET_TARGET_PROPERTIES(system_c PROPERTIES LINKER_LANGUAGE C)