blang/CMakeLists.txt at main · wgibbs-rs/blang · GitHub

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cmake_minimum_required(VERSION 3.10)
project(blang VERSION 0.1.0 LANGUAGES C CXX)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_C_STANDARD 11)
set(CMAKE_C_STANDARD_REQUIRED ON)


set(CMAKE_BUILD_TYPE Debug)

if (APPLE)
    list(APPEND CMAKE_PREFIX_PATH "/opt/homebrew/opt/Flex")
    list(APPEND CMAKE_PREFIX_PATH "/opt/homebrew/opt/Bison")
    list(APPEND CMAKE_PREFIX_PATH "/opt/homebrew/opt/llvm")
endif()

find_package(FLEX REQUIRED)
find_package(BISON REQUIRED)
find_package(LLVM REQUIRED CONFIG)

message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION} in ${LLVM_DIR}")

# Generate Bison parser
BISON_TARGET(Parser src/parser.y ${CMAKE_CURRENT_BINARY_DIR}/parser.c
            DEFINES_FILE ${CMAKE_CURRENT_BINARY_DIR}/parser.h)

# Generate Flex lexer, using Bison's generated header
FLEX_TARGET(Lexer src/lexer.l ${CMAKE_CURRENT_BINARY_DIR}/lexer.c)

# Make Flex depend on Bison (so y.tab.h / parser.h is generated first)
ADD_FLEX_BISON_DEPENDENCY(Lexer Parser)

llvm_map_components_to_libnames(llvm_libs
    Passes

    X86AsmParser
    X86CodeGen
    X86Desc
    X86Info

    AArch64AsmParser
    AArch64CodeGen
    AArch64Desc
    AArch64Info
)

# Include directories for generated headers
include_directories(${CMAKE_CURRENT_BINARY_DIR} include)

# Your other source files (if any)
file(
    GLOB_RECURSE
    SOURCES
    "src/main.c"
    "src/error.c"
    "src/ast.c"
    "src/binary.cpp"
    "src/llvm_ir.cpp"
)

# Remove raw lexer and parser source files if they're listed by GLOB
list(REMOVE_ITEM SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/lexing.l")
list(REMOVE_ITEM SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/src/parser.y")

# Add executable BEFORE applying target-specific commands
add_executable(blang
    ${SOURCES}
    ${FLEX_Lexer_OUTPUTS}
    ${BISON_Parser_OUTPUTS}
)

target_compile_definitions(blang PRIVATE
    BLANG_VERSION_MAJOR=${PROJECT_VERSION_MAJOR}
    BLANG_VERSION_MINOR=${PROJECT_VERSION_MINOR}
    BLANG_VERSION_PATCH=${PROJECT_VERSION_PATCH}
    BLANG_VERSION_STRING="${PROJECT_VERSION}"
)

# Now target-specific commands
target_include_directories(blang PRIVATE ${LLVM_INCLUDE_DIRS})
target_include_directories(blang PRIVATE src ${CMAKE_CURRENT_BINARY_DIR})
target_compile_definitions(blang PRIVATE ${LLVM_DEFINITIONS})
target_compile_options(blang PRIVATE -fno-rtti)
target_link_libraries(blang PRIVATE ${llvm_libs} ${FLEX_LIBRARIES})