cmake_minimum_required(VERSION 3.21)
project(Elna)

set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
set(CMAKE_CXX_STANDARD 14)

find_package(Boost CONFIG COMPONENTS process program_options REQUIRED)
find_package(FLEX REQUIRED)
find_package(BISON REQUIRED)

FLEX_TARGET(lexer source/lexer.ll ${CMAKE_CURRENT_BINARY_DIR}/lexer.cc)
BISON_TARGET(parser source/parser.yy ${CMAKE_CURRENT_BINARY_DIR}/parser.cc)
add_flex_bison_dependency(lexer parser)

add_library(elna-frontend
	source/ast.cc include/elna/source/ast.h
	source/types.cc include/elna/source/types.h
	source/driver.cc include/elna/source/driver.h
	source/result.cc include/elna/source/result.h
	${BISON_parser_OUTPUTS} ${FLEX_lexer_OUTPUTS}
)
target_include_directories(elna-frontend PRIVATE ${CMAKE_CURRENT_BINARY_DIR} include)
target_compile_options(elna-frontend PRIVATE
	$<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions -fno-rtti>
)

add_executable(elna cli/main.cc)
target_link_libraries(elna PRIVATE elna-frontend)
target_include_directories(elna PRIVATE ${CMAKE_CURRENT_BINARY_DIR} include ${Boost_INCLUDE_DIR})
target_link_libraries(elna LINK_PUBLIC ${Boost_LIBRARIES})
target_compile_options(elna PRIVATE
	$<$<COMPILE_LANGUAGE:CXX>:-fno-exceptions -fno-rtti>
)