cmake_minimum_required(VERSION 3.12)

project(tgc VERSION 1.0.0)

include(GNUInstallDirs)

conan_basic_setup()

find_package(Boost COMPONENTS program_options system thread filesystem REQUIRED)
if(WITH_LLVM)
	if(DEFINED ENV{LLVM_HOME})
		find_path (LLVM_DIR LLVM-Config.cmake $ENV{LLVM_HOME}/lib/cmake/llvm)
	endif(DEFINED ENV{LLVM_HOME})
	find_package(LLVM REQUIRED CONFIG)
	message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
	message(STATUS "Using LLVMConfig.cmake in: ${LLVM_DIR}")
	llvm_map_components_to_libnames(llvm_libs support core mcjit x86codegen x86asmparser)
endif()

#Mac needed variables (adapt for your needs - http://www.cmake.org/Wiki/CMake_RPATH_handling#Mac_OS_X_and_the_RPATH)
#set(CMAKE_MACOSX_RPATH ON)
#set(CMAKE_SKIP_BUILD_RPATH FALSE)
#set(CMAKE_BUILD_WITH_INSTALL_RPATH FALSE)
#set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
#set(CMAKE_INSTALL_RPATH_USE_LINK_PATH TRUE)

add_subdirectory(softfloat)

# library files
FILE(GLOB RiscVSCHeaders ${CMAKE_CURRENT_SOURCE_DIR}/incl/sysc/*.h ${CMAKE_CURRENT_SOURCE_DIR}/incl/sysc/*/*.h)
set(LIB_HEADERS tgfscVSCHeaders} )
set(LIB_SOURCES 
	src/vm/fp_functions.cpp
    src/plugin/instruction_count.cpp
    src/plugin/cycle_estimate.cpp
)
if(EXISTS src/iss/tgf_b.cpp)
    set(LIB_SOURCES ${LIB_SOURCES}  src/iss/tgf_b.cpp src/vm/interp/vm_tgf_b.cpp)
endif()
if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/src/iss/tgf_c.cpp)
    set(LIB_SOURCES ${LIB_SOURCES}  src/iss/tgf_c.cpp src/vm/interp/vm_tgf_c.cpp)
endif()
if(WITH_LLVM)
set(LIB_SOURCES ${LIB_SOURCES}
	src/vm/llvm/fp_impl.cpp
#	src/vm/llvm/vm_tgf_b.cpp
#	src/vm/llvm/vm_tgf_c.cpp
)
endif()

# Define the library
add_library(${PROJECT_NAME} SHARED ${LIB_SOURCES})
# list code gen dependencies
if(TARGET TGF_B_src)
    add_dependencies(${PROJECT_NAME} TGF_B_src)
endif()
if(TARGET TGF_C_src)
    add_dependencies(${PROJECT_NAME} TGF_C_src)
endif()

target_compile_options(${PROJECT_NAME} PRIVATE -Wno-shift-count-overflow)
target_include_directories(${PROJECT_NAME} PUBLIC incl)
target_link_libraries(${PROJECT_NAME} PUBLIC softfloat scc-util)
target_link_libraries(${PROJECT_NAME} PUBLIC -Wl,--whole-archive dbt-core -Wl,--no-whole-archive)
target_link_libraries(${PROJECT_NAME} PUBLIC ${Boost_LIBRARIES} )
set_target_properties(${PROJECT_NAME} PROPERTIES
  VERSION ${PROJECT_VERSION}
  FRAMEWORK FALSE
  PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers
)

if(SystemC_FOUND)
	add_library(${PROJECT_NAME}_sc src/sysc/core_complex.cpp)
	target_compile_definitions(${PROJECT_NAME}_sc PUBLIC WITH_SYSTEMC) 
	target_include_directories(${PROJECT_NAME}_sc PUBLIC ../incl ${SystemC_INCLUDE_DIRS} ${CCI_INCLUDE_DIRS})
	
	if(SCV_FOUND)   
	    target_compile_definitions(${PROJECT_NAME}_sc PUBLIC WITH_SCV)
	    target_include_directories(${PROJECT_NAME}_sc PUBLIC ${SCV_INCLUDE_DIRS})
	endif()
	target_link_libraries(${PROJECT_NAME}_sc PUBLIC ${PROJECT_NAME} scc )
	if(WITH_LLVM)
		target_link_libraries(${PROJECT_NAME}_sc PUBLIC ${llvm_libs})
	endif()
	set_target_properties(${PROJECT_NAME}_sc PROPERTIES
	  VERSION ${PROJECT_VERSION}
	  FRAMEWORK FALSE
	  PUBLIC_HEADER "${LIB_HEADERS}" # specify the public headers
	)
endif()

project("tgc-sim")
add_executable(${PROJECT_NAME} src/main.cpp)
# This sets the include directory for the reference project. This is the -I flag in gcc.

if(WITH_LLVM)
	target_compile_definitions(${PROJECT_NAME} PRIVATE WITH_LLVM)
	target_link_libraries(${PROJECT_NAME} PUBLIC ${llvm_libs})
endif()
# Links the target exe against the libraries
target_link_libraries(${PROJECT_NAME} tgc)
target_link_libraries(${PROJECT_NAME} jsoncpp)
target_link_libraries(${PROJECT_NAME} ${Boost_LIBRARIES} )
if (Tcmalloc_FOUND)
    target_link_libraries(${PROJECT_NAME} ${Tcmalloc_LIBRARIES})
endif(Tcmalloc_FOUND)

install(TARGETS tgc tgc-sim
  EXPORT ${PROJECT_NAME}Targets            # for downstream dependencies
  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs   # static lib
  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT libs   # binaries
  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs   # shared lib
  FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT libs # for mac
  PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME} COMPONENT devel   # headers for mac (note the different component -> different package)
  INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}             # headers
)



#
# SYSTEM PACKAGING (RPM, TGZ, ...)
# _____________________________________________________________________________

#include(CPackConfig)

#
# CMAKE PACKAGING (for other CMake projects to use this one easily)
# _____________________________________________________________________________

#include(PackageConfigurator)