cmake_minimum_required(VERSION 3.30)
project(LearnGtk4 LANGUAGES CXX)

find_package(PkgConfig REQUIRED)
pkg_check_modules(GTKMM4 REQUIRED IMPORTED_TARGET gtkmm-4.0)

find_program(CCACHE_FOUND ccache)
if (CCACHE_FOUND)
    message(STATUS "ccache found !")
    set_property(GLOBAL PROPERTY C_COMPILER_LAUNCHER ccache)
    set_property(GLOBAL PROPERTY C_LINKER_LAUNCHER ccache)
    set_property(GLOBAL PROPERTY CXX_COMPILER_LAUNCHER ccache)
    set_property(GLOBAL PROPERTY CXX_LINKER_LAUNCHER ccache)
else ()
    message(STATUS "ccache not found")
endif ()

set(COMPILE_FLAGS
        -pipe
        -march=znver3 # change to native or your architecture.
        -mtune=znver3 # same as above
        -mrdseed # be careful about this, this is linked to the x86 architecture.
        -mrdrnd # same as above
        -Wall
        -Wextra
        -Wpedantic
        -pedantic
        $<$<CONFIG:Release>:-ffunction-sections -fdata-sections>
        -fuse-ld=gold
        -funroll-loops
        -fdevirtualize-at-ltrans
)
set(LINKER_OPTIONS
        -Wl,--sort-common,--as-needed$<$<CONFIG:Release>:,--gc-sections,--strip-all>
        -fuse-ld=gold
        -fdevirtualize-at-ltrans
)

option(ENABLE_COVERAGE "Enabling coverage" OFF)

if (${ENABLE_COVERAGE})
    message(STATUS "Coverage enabled")
    list(APPEND COMPILE_FLAGS --coverage)
    list(APPEND LINKER_OPTIONS --coverage)
    list(APPEND LINKER_FLAGS gcov)
endif ()

add_executable(LearnGtk4 main.cpp
        hello_world.cpp
        hello_world.hpp)

set_target_properties(LearnGtk4 PROPERTIES
        CXX_STANDARD 20
        CXX_STANDARD_REQUIRED ON
        CXX_EXTENSIONS OFF
        INTERPROCEDURAL_OPTIMIZATION ON
        UNITY_BUILD ON
)

target_compile_definitions(LearnGtk4 PUBLIC $<$<CONFIG:Debug>:_GLIBCXX_DEBUG>)
target_compile_options(LearnGtk4 PUBLIC ${COMPILE_OPTIONS})
target_link_options(LearnGtk4 PUBLIC ${LINKER_OPTIONS})
target_link_libraries(LearnGtk4 PkgConfig::GTKMM4)