Added wscript.

wscript

@@ -0,0 +1,200 @@
+# 30 may 2016
+
+from waflib import Utils
+
+top = '.'
+out = '_build'
+
+def _platform(ctx):
+	plat = Utils.unversioned_sys_platform()
+	if plat == 'win32':
+		return 'windows'
+	if plat == 'darwin':
+		return 'darwin'
+	return 'unix'
+
+def _platsrcsuffix(plat):
+	if plat == 'windows':
+		return 'cpp'
+	if plat == 'darwin':
+		return 'm'
+	return 'c'
+
+def _plathsuffix(plat):
+	if plat == 'windows':
+		return 'hpp'
+	return 'h'
+
+def _toolchain(ctx):
+	return ctx.env['CC_NAME']
+
+def options(ctx):
+	ctx.add_option('--toolchain', action='store', default=None, help='Toolchain to use, in waf terms; otheriwse compiler_c will determine')
+	ctx.load('compiler_c')
+	ctx.load('compiler_cxx')
+
+def configure(ctx):
+	if ctx.options.toolchain is not None:
+		conf.options.check_c_compiler = [ctx.options.toolchain]
+		conf.options.check_cxx_compiler = [ctx.options.toolchain]
+	ctx.load('compiler_c')
+	ctx.load('compiler_cxx')
+	
+	ctx.setenv('shared', env = ctx.env.derive())
+	ctx.write_config_header('ignore/shared.h', remove = False)
+	ctx.setenv('static', env = ctx.env.derive())
+	ctx.write_config_header('ignore/static.h', remove = False)
+
+def _common_flags(platform, toolchain, buildmode, gcclang, msvclang):
+	if toolchain == "msvc":
+		return list([
+			msvclang,
+		])
+	l = list([
+		"-Wall", "-Wextra", "-pedantic",
+		"-Wno-unused-parameter",
+		"-Wno-switch",
+		gcclang,
+	])
+	if buildmode == "shared" and platform != "windows":
+		l += ["-fPIC"]
+	if platform == "darwin":
+		l += [
+			"-mmacosx-version-min=10.8",
+			"-DMACOSX_DEPLOYMENT_TARGET=10.8",
+		]
+	return l
+
+def _common_cflags(platform, toolchain, buildmode):
+	return _common_flags(platform, toolchain, buildmode,
+		'--std=c99', '-TC')
+
+def _common_cxxflags(platform, toolchain, buildmode):
+	return _common_flags(platform, toolchain, buildmode,
+		'--std=c99', '-TP')
+
+def _common_ldflags(platform, toolchain, buildmode):
+	if toolchain == "msvc":
+		return list([])
+	l = list([])
+	if buildmode == "shared" and platform != "windows":
+		l += ["-fPIC"]
+	if platform == "darwin":
+		l += [
+			"-mmacosx-version-min=10.8",
+		]
+	return l
+
+def _libui_cflags(toolchain):
+	if toolchain == "msvc":
+		return list([
+		])
+	return list([
+		"""-D_UI_EXTERN=__attribute__((visibility("default"))) extern""",
+		"-fvisibility=hidden",
+	])
+
+def _libui_ldflags(toolchain):
+	if toolchain == "msvc":		# no additional options
+		return list([])
+	return list([
+		"-fvisibility=hidden",
+	])
+
+def _platform_libs(platform, toolchain):
+	if toolchain == "msvc":
+		return list([])
+	if platform == "darwin":
+		return list([
+			"-lobjc",
+			"-framework", "Foundation",
+			"-framework", "AppKit",
+		])
+	if platform == "windows":
+		return list([])
+	return list([])
+
+def _libui_sharedldflags(platform, toolchain):
+	if toolchain == "msvc":
+		return list([])
+	if platform == "darwin":
+		return list([
+			"-install_name", "@rpath/",
+		])
+	if platform == "windows":
+		return list([])
+	return list([])
+
+def _exe_sharedldflags(platform, toolchain):
+	if toolchain == "msvc":
+		return list([])
+	if platform == "darwin":
+		return list([
+			# the / is needed by older OS X versions
+			"-rpath", "@executable_path/",
+		])
+	if platform == "windows":
+		return list([])
+	return list([])
+
+def _libui(ctx, platform, toolchain, buildmode):
+	headers = ctx.path.ant_glob(
+		"ui.h ui_%s.h %s/*.%s" %
+			(platform, platform, _plathsuffix(platform)))
+	sources = ctx.path.ant_glob(
+		"common/*.c %s/*.%s" %
+			(platform, _platsrcsuffix(platform)))
+	cflags = _common_cflags(platform, toolchain, buildmode)
+	cxxflags = _common_cxxflags(platform, toolchain, buildmode)
+	ldflags = _common_ldflags(platform, toolchain, buildmode)
+	cflags += _libui_cflags(toolchain)
+	cxxflags += _libui_cflags(toolchain)
+	ldflags += _libui_ldflags(toolchain)
+	ldflags += _platform_libs(platform, toolchain)
+	ldflags += _libui_sharedldflags(platform, toolchain)
+	target = "ui"
+	if platform == "windows":
+		target = "libui"
+	func = ctx.shlib
+	if buildmode == "static":
+		func = ctx.stlib
+	func(
+		target = target,
+		source = sources,
+		includes = headers,
+		cflags = cflags,
+		cxxflags = cxxflags,
+		ldflags = ldflags,
+	)
+
+def build(ctx):
+	platform = _platform(ctx)
+	toolchain = _toolchain(ctx)
+	buildmode = ctx.variant
+	if not buildmode:
+		ctx.fatal("Use either 'waf build_shared` or `waf build_static`")
+
+	if platform == "windows" and toolchain != "msvc" and buildmode == "shared":
+		ctx.fatal("Sorry, building a DLL on Windows with MinGW is not yet supported. Either build a static library or use MSVC.")
+	
+	_libui(ctx, platform, toolchain, buildmode)
+
+# from https://github.com/waf-project/waf/blob/master/demos/variants/wscript
+def init(ctx):
+	from waflib.Build import BuildContext, CleanContext, InstallContext, UninstallContext
+	for x in 'shared static'.split():
+		for y in (BuildContext, CleanContext, InstallContext, UninstallContext):
+			name = y.__name__.replace('Context','').lower()
+			class tmp(y):
+				cmd = name + '_' + x
+				variant = x
+	def buildall(ctx):
+		import waflib.Options
+		for x in ('build_shared', 'build_static'):
+			waflib.Options.commands.insert(0, x)
+
+# via https://github.com/waf-project/waf/blob/master/demos/mac_app/wscript
+from waflib import TaskGen
+@TaskGen.extension('.m')
+def m_hook(self, node):
+	return self.create_compiled_task('c', node)