use symlinks to save space.

[lilypond.git] / SConstruct

diff --git a/SConstruct b/SConstruct
index e8df51cf5edc82faff59a475c564a41b810ce133..6d67479f467ad8d5e05e5a7be16de4003cbc5bba 100644 (file)
--- a/SConstruct
+++ b/SConstruct
@@ -86,7 +86,7 @@ usage = r'''Usage:
 scons [KEY=VALUE].. [TARGET|DIR]..
 
 TARGETS: clean, config, doc, dist, install, mf-essential, po-update,
-         realclean, release, tar, TAGS
+         realclean, release, sconsclean, tar, TAGS
 
 '''
       
@@ -129,6 +129,8 @@ opts.AddOptions (
        BoolOption ('verbose', 'run commands with verbose flag',
                    0),
        BoolOption ('checksums', 'use checksums instead of timestamps',
+                   0),
+       BoolOption ('fast', 'use timestamps, implicit cache, prune CPPPATH',
                    1),
        )
 
@@ -164,11 +166,6 @@ env = Environment (
        TOPLEVEL_VERSION = version,
        )
 
-# Hardcoded usability switch (Anthony Roach).
-# See http://www.scons.org/cgi-bin/wiki/GoFastButton
-# First do: scons realclean .
-GO_FAST_BUTTON = 1
-
 # Add all config_vars to opts, so that they will be read and saved
 # together with the other configure options.
 map (lambda x: opts.AddOptions ((x,)), config_vars)
@@ -177,11 +174,13 @@ Help (usage + opts.GenerateHelpText (env))
 
 opts.Update (env)
 
-if GO_FAST_BUTTON:
+if env['fast']:
+       # Usability switch (Anthony Roach).
+       # See http://www.scons.org/cgi-bin/wiki/GoFastButton
+       # First do: scons realclean .
        env['checksums'] = 0
        SetOption ('max_drift', 1)
-       # SetOption ('implicit_deps_unchanged', 1)
-       print "If scons feels slow, use --implicit-deps-unchanged"
+       SetOption ('implicit_cache', 1)
 elif env['checksums']:
        # Always use checksums (makes more sense than timestamps).
        SetOption ('max_drift', 0)
@@ -326,7 +325,7 @@ def configure (target, source, env):
 
        command = r"""python -c 'import sys; sys.stdout.write ("%s/include/python%s" % (sys.prefix, sys.version[:3]))'""" #"
        PYTHON_INCLUDE = os.popen (command).read ()
-       if GO_FAST_BUTTON:
+       if env['fast']:
                env.Append (CCFLAGS = ['-I%s ' % PYTHON_INCLUDE])
        else:
                env.Append (CPPPATH = PYTHON_INCLUDE)
@@ -364,7 +363,7 @@ def configure (target, source, env):
        if conf.CheckLib ('kpathsea', 'kpse_find_tfm'):
                conf.env['DEFINES']['HAVE_KPSE_FIND_TFM'] = '1'
 
-       if GO_FAST_BUTTON:
+       if env['fast']:
                cpppath = []
                if env.has_key ('CPPPATH'):
                        cpppath = env['CPPPATH']
@@ -383,7 +382,7 @@ def configure (target, source, env):
                        conf.env['DEFINES']['HAVE_PANGO_CVS'] = '1'
                        conf.env['DEFINES']['HAVE_PANGO_FC_FONT_MAP_ADD_DECODER_FIND_FUNC'] = '1'
 
-       if GO_FAST_BUTTON:
+       if env['fast']:
                # Using CCFLAGS = -I<system-dir> rather than CPPPATH = [
                # <system-dir>] speeds up SCons
                env['CCFLAGS'] += map (lambda x: '-I' + x,
@@ -561,6 +560,13 @@ if 'clean' in COMMAND_LINE_TARGETS:
                os.unlink (config_cache)
        Exit (s)
 
+if 'sconsclean' in COMMAND_LINE_TARGETS:
+       command = 'rm -rf scons.cache $(find . -name ".scon*")'
+       s = os.system (command)
+       if os.path.exists (config_cache):
+               os.unlink (config_cache)
+       Exit (s)
+       
 if 'realclean' in COMMAND_LINE_TARGETS:
        command = 'rm -rf $(find . -name "out-scons" -o -name ".scon*")'
        sys.stdout.write ('Running %s ... ' % command)
@@ -717,7 +723,15 @@ def flatten (tree, lst):
                                lst.append (i)
        return lst
 
-subdirs = flatten (cvs_dirs ('.'), [])
+if env['fast']\
+   and 'all' not in COMMAND_LINE_TARGETS\
+   and 'doc' not in COMMAND_LINE_TARGETS\
+   and 'web' not in COMMAND_LINE_TARGETS\
+   and 'install' not in COMMAND_LINE_TARGETS\
+   and 'clean' not in COMMAND_LINE_TARGETS:
+       subdirs = ['lily', 'lily/include', 'flower', 'flower/include', 'mf']
+else:
+       subdirs = flatten (cvs_dirs ('.'), [])
 readme_files = ['AUTHORS', 'README', 'INSTALL', 'NEWS']
 foo = map (lambda x: env.TXT (x + '.txt',
                              os.path.join ('Documentation/topdocs', x)),
@@ -786,11 +800,12 @@ env.Alias ('web', www_ball)
 
 #### tags
 env.Append (
-       ETAGSFLAGS = ["""--regex='{c++}/^LY_DEFINE *(\([^,]+\)/\1/'""",
-                     """--regex='{c++}/^LY_DEFINE *([^"]*"\([^"]+\)"/\1/'"""])
-# filter-out some files?
-env.Command ('TAGS', src_files, 'etags $ETAGSFLAGS $SOURCES')
-
+       ETAGSFLAGS = """--regex='{c++}/^LY_DEFINE *(\([^,]+\)/\\1/' \
+       --regex='{c++}/^LY_DEFINE *([^"]*"\([^"]+\)"/\\1/'""")
+code_ext = ['.cc', '.hh', '.scm', '.tcc',]
+env.Command ('TAGS', filter (lambda x: os.path.splitext (x)[1] in code_ext,
+                            src_files),
+            'etags $ETAGSFLAGS $SOURCES')
 
 # Note: SConscripts are only needed in directories where something needs
 # to be done, building or installing