cmake_minimum_required(VERSION 2.8)

set(CMAKE_BUILD_TYPE "Debug" CACHE STRING
    "Choose the type of build, options are: Debug Release RelWithDebInfo MinSizeRel." FORCE)

project(zig C)
set(CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR}/cmake ${CMAKE_MODULE_PATH})

set(ZIG_VERSION_MAJOR 1)
set(ZIG_VERSION_MINOR 0)
set(ZIG_VERSION_PATCH 0)
set(ZIG_VERSION "${ZIG_VERSION_MAJOR}.${ZIG_VERSION_MINOR}.${ZIG_VERSION_PATCH}")
message("Configuring zig version ${ZIG_VERSION}")

find_package(llvm)
include_directories(${LLVM_INCLUDE_DIR})

set(ZIG_SOURCES
    "${CMAKE_SOURCE_DIR}/src/main.c"
)

set(CONFIGURE_OUT_FILE "${CMAKE_BINARY_DIR}/config.h")
configure_file (
    "${CMAKE_SOURCE_DIR}/src/config.h.in"
    ${CONFIGURE_OUT_FILE}
)

set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -Wno-unused-variable -Wno-unused-but-set-variable")

set(EXE_CFLAGS "-std=c11 -Werror -Wall -Werror=strict-prototypes -Werror=old-style-definition -Werror=missing-prototypes")
set(TEST_CFLAGS "-std=c99 -Werror -Wall")


add_executable(zig ${ZIG_SOURCES})
set_target_properties(zig PROPERTIES
    LINKER_LANGUAGE C
    COMPILE_FLAGS ${EXE_CFLAGS})
target_link_libraries(zig LINK_PUBLIC
    ${LLVM_LIBRARIES}
)
install(TARGETS zig DESTINATION bin)