diff options
Diffstat (limited to 'SConstruct')
| -rw-r--r-- | SConstruct | 43 |
1 files changed, 27 insertions, 16 deletions
diff --git a/SConstruct b/SConstruct index f29d10cef..44fa017a6 100644 --- a/SConstruct +++ b/SConstruct @@ -105,9 +105,10 @@ def rfind(l, elt, offs = -1): # recognize that ALPHA_SE specifies the configuration because it # follow 'build' in the bulid path. -# Generate a list of the unique configs that the collected targets -# reference. +# Generate a list of the unique build roots and configs that the +# collected targets reference. build_paths = [] +build_roots = [] for t in abs_targets: path_dirs = t.split('/') try: @@ -115,9 +116,12 @@ for t in abs_targets: except: print "Error: no non-leaf 'build' dir found on target path", t Exit(1) - config_dir = os.path.join('/',*path_dirs[:build_top+2]) - if config_dir not in build_paths: - build_paths.append(config_dir) + build_root = os.path.join('/',*path_dirs[:build_top+1]) + if build_root not in build_roots: + build_roots.append(build_root) + build_path = os.path.join('/',*path_dirs[:build_top+2]) + if build_path not in build_paths: + build_paths.append(build_path) ################################################### # @@ -246,11 +250,6 @@ def no_action(target, source, env): env.NoAction = Action(no_action, None) -# libelf build is described in its own SConscript file. -# SConscript-global is the build in build/libelf shared among all -# configs. -env.SConscript('src/libelf/SConscript-global', exports = 'env') - ################################################### # # Define a SCons builder for configuration flag headers. @@ -292,6 +291,12 @@ config_builder = Builder(emitter = config_emitter, action = config_action) env.Append(BUILDERS = { 'ConfigFile' : config_builder }) +# base help text +help_text = ''' +Usage: scons [scons options] [build options] [target(s)] + +''' + ################################################### # # Define build environments for selected configurations. @@ -301,18 +306,24 @@ env.Append(BUILDERS = { 'ConfigFile' : config_builder }) # rename base env base_env = env -help_text = ''' -Usage: scons [scons options] [build options] [target(s)] - -''' +# Spme things (just libelf currently) are shared across all configs in +# a "build root". Need to define how to build these just once for +# each referenced root. +build_root_env = {} +for build_root in build_roots: + env = base_env.Copy() + env.SConscript('ext/libelf/SConscript', + build_dir = os.path.join(build_root, 'libelf'), + exports = 'env') + build_root_env[build_root] = env for build_path in build_paths: print "Building in", build_path # build_dir is the tail component of build path, and is used to # determine the build parameters (e.g., 'ALPHA_SE') (build_root, build_dir) = os.path.split(build_path) - # Make a copy of the default environment to use for this config. - env = base_env.Copy() + # Make a copy of the build-root environment to use for this config. + env = build_root_env[build_root].Copy() # Set env options according to the build directory config. sticky_opts.files = [] |