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-rw-r--r--build/SConstruct12
1 files changed, 12 insertions, 0 deletions
diff --git a/build/SConstruct b/build/SConstruct
index e1854b1d3..28940fc5a 100644
--- a/build/SConstruct
+++ b/build/SConstruct
@@ -328,6 +328,11 @@ env.Append(BUILDERS = { 'ConfigFile' : config_builder })
# rename base env
base_env = env
+help_text = '''
+Usage: scons [scons options] [build options] [target(s)]
+
+'''
+
for build_dir in build_dirs:
# Make a copy of the default environment to use for this config.
env = base_env.Copy()
@@ -361,6 +366,11 @@ for build_dir in build_dirs:
sticky_opts.Update(env)
nonsticky_opts.Update(env)
+ help_text += "Sticky options for %s:\n" % build_dir \
+ + sticky_opts.GenerateHelpText(env) \
+ + "\nNon-sticky options for %s:\n" % build_dir \
+ + nonsticky_opts.GenerateHelpText(env)
+
# Process option settings.
if not have_fenv and env['USE_FENV']:
@@ -409,6 +419,8 @@ for build_dir in build_dirs:
build_dir = os.path.join(build_dir, 'test', e.Label),
exports = { 'env' : e }, duplicate = False)
+Help(help_text)
+
###################################################
#
# Let SCons do its thing. At this point SCons will use the defined