require 'beaver'

project = Project.new("MyProject")
project.set_configs("Debug", "Release")
# Set configuration options for the C language
project.c_configs = {
    "Debug" => C::Configuration.new(cflags: ["-DDEBUG"]),
    "Release" => C::Configuration.new(cflags: ["-DRELEASE"])
}
project.default_config = "Debug"

C::Library.system("pthread")
C::Library.pkg_config("SDL2")

C::Library.new(
    name: "MyLibrary",
    language: "C", # default: based on files
    sources: ["lib/*.c", "lib/inner/*.c"],
    include: { :internal => "lib", :public => "lib/include" },
    cflags: ["-DNO_ARM", "-DTEST"],
    dependencies: ["SDL2", "pthread"]
)

main_exec = C::Executable.new(
    name: "Main",
    sources: "src/*.c",
    include: "src/include",
    # static(LibraryName) means force statically link this library
    dependencies: [static("MyLibrary"), "MyOtherLibrary", dynamic("MyDynLibrary")]
)
if project.config == "Debug"
    main_exec.cflags << "-DNO_OPT"
end

# Build "Main" (with configuration == Debug):
# 1. Build MyLibrary
# for file in MyLibrary.sources
#   clang -c $file \
#       -DDEBUG \ # --> cflag of selected configuration
#       -DNO_ARM -DTEST \ # --> cflags of MyLibrary
#       -Ilib \ # --> internal include of MyLibrary
#       -Ilib/include \ # --> include dir of MyLibrary
#       $(pkg-config SDL2 --cflags) \ # cflags of SDL2 dependency
#       -o OUT/MyLibrary/obj/$file
# end
# ar OU/MyLibrary/libMyLibrary.a OUT/MyLibrary/obj/**/*.o
# # also build dyn lib depending on configurationm
# 
# 2. Build Main executable:
# # Compile into objs
# for file in Main.sources
#   clang -c $file \
#        -DDEBUG \ # --> cflag of selected configuration
#        -DNO_OPT \ # --> cflag of Main
#        -Ilib/include \ # --> public include dir of MyLibrary
#        -Isrc/include \ # --> include dir of Main
#        -o OUT/Main/obj/$file
# end
# # Soft links to force static/dyn libs
# ln -s OUT/MyLibrary/libMyLibrary.a OUT/Main/deps/static/libMyLibrary.a
# ln -s OUT/MyDynLibrary/libMyDynLibrary.so OUT/Main/deps/dynamic/libMyDynLibrary.so
# # Linking
# clang OUT/Main/obj/**/*.o \
#    $(pkg-config SDL2 --libs) -lpthread \ # --> ldflags of "MyLibrary" (= ldflags of SDL2 and pthread)
#    -LOUT/Main/deps/static -lMyLibrary -LOUT/MyOtherLibrary -lMyOtherLibrary -LOUT/Main/deps/dynamic -lMyDynLibrary \ # --> ldflags of "Main"
#    -o OUT/main/main