scons: Preliminary code for quieting command lines.

common.py

@@ -47,6 +47,7 @@ def AddOptions(opts):
 	from SCons.Options.BoolOption import BoolOption
 	from SCons.Options.EnumOption import EnumOption
 	opts.Add(BoolOption('debug', 'build debug version', 'no'))
+	#opts.Add(BoolOption('quiet', 'quiet command lines', 'no'))
 	opts.Add(EnumOption('machine', 'use machine-specific assembly code', default_machine,
 											 allowed_values=('generic', 'x86', 'x86_64')))
 	opts.Add(EnumOption('platform', 'target platform', default_platform,
@@ -55,6 +56,19 @@ def AddOptions(opts):
 	opts.Add(BoolOption('dri', 'build DRI drivers', default_dri))
 
 
+#######################################################################
+# Quiet command lines
+#
+# See also http://www.scons.org/wiki/HidingCommandLinesInOutput
+
+def quietCommandLines(env):
+	env['CCCOMSTR'] = "Compiling $SOURCE ..."
+	env['CXXCOMSTR'] = "Compiling $SOURCE ..."
+	env['ARCOMSTR'] = "Archiving $TARGET ..."
+	env['RANLIBCOMSTR'] = ""
+	env['LINKCOMSTR'] = "Linking $TARGET ..."
+
+
 #######################################################################
 # Convenience Library Builder
 # based on the stock StaticLibrary and SharedLibrary builders
@@ -111,3 +125,16 @@ def make_build_dir(env):
 	env.SConsignFile(os.path.join(build_dir, '.sconsign'))
 	return build_dir
 
+
+#######################################################################
+# Common environment generation code
+
+def generate(env):
+	# FIXME: this is already too late
+	#if env.get('quiet', False):
+	#	quietCommandLines(env)
+	createConvenienceLibBuilder(env)
+
+	# for debugging
+	#print env.Dump()
+