#!python
import os
import subprocess

opts = Variables([], ARGUMENTS)

# Gets the standard flags CC, CCX, etc.
env = DefaultEnvironment()

# Define our options
opts.Add(EnumVariable('target', "Compilation target",
         'debug', ['d', 'debug', 'r', 'release']))
opts.Add(BoolVariable('use_llvm', "Use the LLVM / Clang compiler", 'no'))
opts.Add(PathVariable('target_path',
         'The path where the lib is installed.', 'bin/'))
opts.Add(PathVariable('target_name', 'The library name.',
         'libgdserial', PathVariable.PathAccept))

# Local dependency paths, adapt them to your setup
godot_headers_path = "godot-cpp/godot-headers/"
cpp_bindings_path = "godot-cpp/"
cpp_library = "libgodot-cpp.linux"

# only support 64 at this time..
bits = 64

# Updates the environment with the option variables.
opts.Update(env)

# Process some arguments
if env['use_llvm']:
    env['CC'] = 'clang'
    env['CXX'] = 'clang++'


if env['target'] in ('debug', 'd'):
    cpp_library += '.debug'
    env.Append(CCFLAGS=['-fPIC', '-g3', '-Og', '-std=c++17'])
else:
    env.Append(CCFLAGS=['-fPIC', '-g', '-O3', '-std=c++17'])
    cpp_library += '.release'

cpp_library += '.' + str(bits)

# make sure our binding library is properly includes
env.Append(CPPPATH=['.', godot_headers_path, cpp_bindings_path + 'include/',
           cpp_bindings_path + 'include/core/', cpp_bindings_path + 'include/gen/'])
env.Append(LIBPATH=[cpp_bindings_path + 'bin/'])
env.Append(LIBS=[cpp_library])

# tweak this if you want to use different folders, or more folders, to store your source code in.
env.Append(CPPPATH=['src/'])
sources = Glob('src/*.cpp')

library = env.SharedLibrary(
    target=env['target_path'] + env['target_name'], source=sources)

Default(library)

# Generates help for the -h scons option.
Help(opts.GenerateHelpText(env))