cmake_minimum_required(VERSION 3.17)
project(cpp_only_threads)
set(CMAKE_C)
# These are where the include files should be
include_directories(/usr/local/include)


macro(print_all_variables)
    message(STATUS "print_all_variables------------------------------------------{")
    get_cmake_property(_variableNames VARIABLES)
    foreach (_variableName ${_variableNames})
        message(STATUS "${_variableName}=${${_variableName}}")
    endforeach()
    message(STATUS "print_all_variables------------------------------------------}")
endmacro()

# add extra lib directories
link_directories(/usr/local/lib)

# Use the package PkgConfig to detect GTK+ headers/library files
FIND_PACKAGE(PkgConfig REQUIRED)
PKG_CHECK_MODULES(GTK3 REQUIRED gtk+-3.0)
PKG_CHECK_MODULES(AL5 REQUIRED allegro-5)
PKG_CHECK_MODULES(AL5AC REQUIRED allegro_acodec-5)
PKG_CHECK_MODULES(AL5AU REQUIRED allegro_audio-5)
PKG_CHECK_MODULES(AL5MA REQUIRED allegro_main-5)


# Setup CMake to use GTK+, tell the compiler where to look for headers
# and to the linker where to look for libraries
INCLUDE_DIRECTORIES(${GTK3_INCLUDE_DIRS})
MESSAGE(STATUS "Checking on Allegro") 
MESSAGE(STATUS "Allegro " ${ALL5_LIBRARY_DIRS}) 
LINK_DIRECTORIES(${GTK3_LIBRARY_DIRS} ${ALL5_LIBRARY_DIRS} ${ALL5AC_LIBARY_DIRS} ${ALL5AU_LIBRARY_DIRS})
# Add other flags to the compiler
ADD_DEFINITIONS(${GTK3_CFLAGS_OTHER})

add_executable(gtk simple.c )
add_executable(gtk2 button.c )
add_executable(gtk3 button_audio.c audio.c)

# Link the target to the GTK+ libraries
TARGET_LINK_LIBRARIES(gtk ${GTK3_LIBRARIES})
TARGET_LINK_LIBRARIES(gtk2 ${GTK3_LIBRARIES})
#TARGET_LINK_LIBRARIES(gtk3 allegro allegro_acodec allegro_main allegro_audio ${GTK3_LIBRARIES})
TARGET_LINK_LIBRARIES(gtk3 allegro allegro_acodec allegro_audio ${GTK3_LIBRARIES})

# specify the dependency on an extra library
#target_link_libraries(cpp_audio_thread allegro allegro_main allegro_acodec allegro_audio)

print_all_variables()