SConstruct (2637:18e4273315cd) SConstruct (2638:b419cc6a4419)
1# -*- mode:python -*-
2
3# Copyright (c) 2004-2005 The Regents of The University of Michigan
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright

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103# directory below this will determine the build parameters. For
104# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we
105# recognize that ALPHA_SE specifies the configuration because it
106# follow 'build' in the bulid path.
107
108# Generate a list of the unique build roots and configs that the
109# collected targets reference.
110build_paths = []
1# -*- mode:python -*-
2
3# Copyright (c) 2004-2005 The Regents of The University of Michigan
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions are
8# met: redistributions of source code must retain the above copyright

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103# directory below this will determine the build parameters. For
104# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we
105# recognize that ALPHA_SE specifies the configuration because it
106# follow 'build' in the bulid path.
107
108# Generate a list of the unique build roots and configs that the
109# collected targets reference.
110build_paths = []
111build_roots = []
111build_root = None
112for t in abs_targets:
113 path_dirs = t.split('/')
114 try:
115 build_top = rfind(path_dirs, 'build', -2)
116 except:
117 print "Error: no non-leaf 'build' dir found on target path", t
118 Exit(1)
112for t in abs_targets:
113 path_dirs = t.split('/')
114 try:
115 build_top = rfind(path_dirs, 'build', -2)
116 except:
117 print "Error: no non-leaf 'build' dir found on target path", t
118 Exit(1)
119 build_root = os.path.join('/',*path_dirs[:build_top+1])
120 if build_root not in build_roots:
121 build_roots.append(build_root)
119 this_build_root = os.path.join('/',*path_dirs[:build_top+1])
120 if not build_root:
121 build_root = this_build_root
122 else:
123 if this_build_root != build_root:
124 print "Error: build targets not under same build root\n"\
125 " %s\n %s" % (build_root, this_build_root)
126 Exit(1)
122 build_path = os.path.join('/',*path_dirs[:build_top+2])
123 if build_path not in build_paths:
124 build_paths.append(build_path)
125
126###################################################
127#
128# Set up the default build environment. This environment is copied
129# and modified according to each selected configuration.

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152if sys.platform == 'cygwin':
153 # cygwin has some header file issues...
154 env.Append(CCFLAGS=Split("-Wno-uninitialized"))
155env.Append(CPPPATH=[Dir('ext/dnet')])
156
157# Default libraries
158env.Append(LIBS=['z'])
159
127 build_path = os.path.join('/',*path_dirs[:build_top+2])
128 if build_path not in build_paths:
129 build_paths.append(build_path)
130
131###################################################
132#
133# Set up the default build environment. This environment is copied
134# and modified according to each selected configuration.

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157if sys.platform == 'cygwin':
158 # cygwin has some header file issues...
159 env.Append(CCFLAGS=Split("-Wno-uninitialized"))
160env.Append(CPPPATH=[Dir('ext/dnet')])
161
162# Default libraries
163env.Append(LIBS=['z'])
164
160# Platform-specific configuration
161conf = Configure(env)
165# Platform-specific configuration. Note again that we assume that all
166# builds under a given build root run on the same host platform.
167conf = Configure(env,
168 conf_dir = os.path.join(build_root, '.scons_config'),
169 log_file = os.path.join(build_root, 'scons_config.log'))
162
163# Check for <fenv.h> (C99 FP environment control)
164have_fenv = conf.CheckHeader('fenv.h', '<>')
165if not have_fenv:
166 print "Warning: Header file <fenv.h> not found."
167 print " This host has no IEEE FP rounding mode control."
168
169# Check for mysql.

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293env.Append(BUILDERS = { 'ConfigFile' : config_builder })
294
295# base help text
296help_text = '''
297Usage: scons [scons options] [build options] [target(s)]
298
299'''
300
170
171# Check for <fenv.h> (C99 FP environment control)
172have_fenv = conf.CheckHeader('fenv.h', '<>')
173if not have_fenv:
174 print "Warning: Header file <fenv.h> not found."
175 print " This host has no IEEE FP rounding mode control."
176
177# Check for mysql.

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301env.Append(BUILDERS = { 'ConfigFile' : config_builder })
302
303# base help text
304help_text = '''
305Usage: scons [scons options] [build options] [target(s)]
306
307'''
308
309# libelf build is shared across all configs in the build root.
310env.SConscript('ext/libelf/SConscript',
311 build_dir = os.path.join(build_root, 'libelf'),
312 exports = 'env')
313
301###################################################
302#
303# Define build environments for selected configurations.
304#
305###################################################
306
307# rename base env
308base_env = env
309
314###################################################
315#
316# Define build environments for selected configurations.
317#
318###################################################
319
320# rename base env
321base_env = env
322
310# Spme things (just libelf currently) are shared across all configs in
311# a "build root". Need to define how to build these just once for
312# each referenced root.
313build_root_env = {}
314for build_root in build_roots:
315 env = base_env.Copy()
316 env.SConscript('ext/libelf/SConscript',
317 build_dir = os.path.join(build_root, 'libelf'),
318 exports = 'env')
319 build_root_env[build_root] = env
320
321for build_path in build_paths:
322 print "Building in", build_path
323 # build_dir is the tail component of build path, and is used to
324 # determine the build parameters (e.g., 'ALPHA_SE')
325 (build_root, build_dir) = os.path.split(build_path)
326 # Make a copy of the build-root environment to use for this config.
323for build_path in build_paths:
324 print "Building in", build_path
325 # build_dir is the tail component of build path, and is used to
326 # determine the build parameters (e.g., 'ALPHA_SE')
327 (build_root, build_dir) = os.path.split(build_path)
328 # Make a copy of the build-root environment to use for this config.
327 env = build_root_env[build_root].Copy()
329 env = base_env.Copy()
328
329 # Set env options according to the build directory config.
330 sticky_opts.files = []
331 # Options for $BUILD_ROOT/$BUILD_DIR are stored in
332 # $BUILD_ROOT/options/$BUILD_DIR so you can nuke
333 # $BUILD_ROOT/$BUILD_DIR without losing your options settings.
334 current_opts_file = os.path.join(build_root, 'options', build_dir)
335 if os.path.isfile(current_opts_file):

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331 # Set env options according to the build directory config.
332 sticky_opts.files = []
333 # Options for $BUILD_ROOT/$BUILD_DIR are stored in
334 # $BUILD_ROOT/options/$BUILD_DIR so you can nuke
335 # $BUILD_ROOT/$BUILD_DIR without losing your options settings.
336 current_opts_file = os.path.join(build_root, 'options', build_dir)
337 if os.path.isfile(current_opts_file):

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