env = Environment(tools = ['default', 'textfile'])

name = 'helianthus'
description = 'Helianthus is a library to create small games'
version = '0.1.0'


# user options

DEBUG = ARGUMENTS.get('DEBUG', 0)

opts = Variables(name + '.conf')
opts.Add(PathVariable('PREFIX', 'Directory to install under', '/usr/local', PathVariable.PathAccept))
opts.Update(env)
opts.Save(name + '.conf', env)


# config

libs = ['sdl2', 'SDL2_mixer', 'SDL2_image', 'freetype2']
ldflags = ' -lGL '


# compute build options

flags = ' -lm -Wall -fmessage-length=0 ' + ldflags
if int(DEBUG):
	flags += ' -O0 -g -fdebug-prefix-map=src=../src'
else:
	flags += ' -O3 '


# files lists

target = name

headers = [
	'common.h',
	'drawing.h',
	'font.h',
	'group.h',
	'sprite.h',
	'world.h' ]

root_headers = [
	name + '.h' ]

sources = [
	'animation.c',
	'array.c',
	'collider.c',
	'common.c',
	'drawing.c',
	'font.c',
	'geometry.c',
	'group.c',
	'test.c',
	'sound.c',
	'sprite.c',
	'world.c',
	'worldui.c',
	'blob.S' ]


# build

env.ParseConfig('pkg-config --cflags --libs ' + ' '.join(libs))

static_library = env.StaticLibrary(
	target = target,
	source = sources,
	parse_flags = flags )

shared_library = env.SharedLibrary(
	target = target,
	source = sources,
	parse_flags = flags,
	SHLIBVERSION = version )

# install

idir_prefix = '$PREFIX'
idir_lib    = '$PREFIX/lib'
idir_inc    = '$PREFIX/include'
env.Export('env idir_prefix idir_lib idir_inc')

pcdict = {
	'@prefix@'        : idir_prefix,
	'@exec_prefix@'   : '$${prefix}',
	'@libdir@'        : ('$${exec_prefix}/lib' if idir_lib == '$PREFIX/lib' else idir_lib),
	'@includedir@'    : ('$${prefix}/include' if idir_inc == '$PREFIX/include' else idir_inc) + '/' + name,
	'@NAME@'          : name,
	'@DESC@'          : description,
	'@VERSION@'       : version,
	'@DEPS@'          : ' '.join(libs),
	'@CONFIG_LIBS@'   : '-l' + name + ldflags,
	'@CONFIG_CFLAGS@' : '',
	}
pcfile = env.Substfile(name + '.pc.in', SUBST_DICT = pcdict)

env.Install(idir_lib, static_library)
env.InstallVersionedLib(idir_lib, shared_library)
env.Install(idir_lib + '/pkgconfig', pcfile)
env.Install(idir_inc + '/' + name + '/' + name, headers)
env.Install(idir_inc + '/' + name, root_headers)
env.Alias('install', idir_prefix)