CMakeLists.txt

# CMAKE header.
cmake_minimum_required(VERSION 3.13.4)
project(LLVM-Lab)

# Set binary output destination.
set(BINARY_OUTPUT_DIR ${CMAKE_CURRENT_SOURCE_DIR}/bin)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${BINARY_OUTPUT_DIR})
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${BINARY_OUTPUT_DIR})
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${BINARY_OUTPUT_DIR})

# Include project sources.
include_directories("src")
file(GLOB_RECURSE SOURCES RELATIVE ${CMAKE_SOURCE_DIR} "src/*.cpp" "src/*.c")

# Get LLVM linker flags.
execute_process(COMMAND llvm-config --ldflags --system-libs --libs all OUTPUT_VARIABLE LLVM_FLAGS)

# Get rid of whitespace and replace newlines with spaces.
string(STRIP ${LLVM_FLAGS} LLVM_FLAGS)
string(REPLACE "\n" " " LLVM_FLAGS  ${LLVM_FLAGS})

#Find bison:
find_package(BISON)
BISON_TARGET(Parser "src/frontend/parser.y" "${CMAKE_CURRENT_BINARY_DIR}/parser.tab.cc" DEFINES_FILE "${CMAKE_CURRENT_BINARY_DIR}/parser.tab.hh")

#Find flex:
find_package(FLEX)
FLEX_TARGET(Lexer "src/frontend/lexer.l" "${CMAKE_CURRENT_BINARY_DIR}/lex.yy.cc")
ADD_FLEX_BISON_DEPENDENCY(Lexer Parser)

# Finally link the program with LLVM.
add_executable(${PROJECT_NAME} ${SOURCES} src/expressions/multiplication.cpp src/expressions/multiplication.h src/expressions/division.cpp src/expressions/division.h src/expressions/negative.cpp src/expressions/negative.h src/statements/return.cpp src/statements/return.h src/expressions/or.cpp src/expressions/or.h ${FLEX_Lexer_OUTPUTS} ${BISON_Parser_OUTPUTS})
target_link_libraries(${PROJECT_NAME} "${LLVM_FLAGS}")