2004-07-03 06:16:38 +02:00
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# -*- mode:python -*-
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2005-06-05 11:16:00 +02:00
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# Copyright (c) 2004-2005 The Regents of The University of Michigan
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2004-07-03 06:16:38 +02:00
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met: redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer;
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# redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution;
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# neither the name of the copyright holders nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2006-06-01 01:26:56 +02:00
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#
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# Authors: Steve Reinhardt
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2004-07-03 06:16:38 +02:00
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###################################################
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#
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# SCons top-level build description (SConstruct) file.
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#
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2006-05-22 20:29:33 +02:00
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# While in this directory ('m5'), just type 'scons' to build the default
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# configuration (see below), or type 'scons build/<CONFIG>/<binary>'
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# to build some other configuration (e.g., 'build/ALPHA_FS/m5.opt' for
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# the optimized full-system version).
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2004-07-03 06:16:38 +02:00
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#
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2006-05-22 20:29:33 +02:00
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# You can build M5 in a different directory as long as there is a
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# 'build/<CONFIG>' somewhere along the target path. The build system
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2006-06-17 15:26:08 +02:00
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# expects that all configs under the same build directory are being
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2006-05-22 20:29:33 +02:00
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# built for the same host system.
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#
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# Examples:
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2006-06-17 15:26:08 +02:00
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#
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# The following two commands are equivalent. The '-u' option tells
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# scons to search up the directory tree for this SConstruct file.
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2006-05-22 20:29:33 +02:00
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# % cd <path-to-src>/m5 ; scons build/ALPHA_FS/m5.debug
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# % cd <path-to-src>/m5/build/ALPHA_FS; scons -u m5.debug
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2006-06-17 15:26:08 +02:00
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#
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# The following two commands are equivalent and demonstrate building
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# in a directory outside of the source tree. The '-C' option tells
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# scons to chdir to the specified directory to find this SConstruct
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# file.
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2006-05-22 20:29:33 +02:00
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# % cd <path-to-src>/m5 ; scons /local/foo/build/ALPHA_FS/m5.debug
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# % cd /local/foo/build/ALPHA_FS; scons -C <path-to-src>/m5 m5.debug
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#
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# You can use 'scons -H' to print scons options. If you're in this
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# 'm5' directory (or use -u or -C to tell scons where to find this
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# file), you can use 'scons -h' to print all the M5-specific build
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# options as well.
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2004-07-03 06:16:38 +02:00
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#
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###################################################
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import sys
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import os
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2007-01-27 00:48:51 +01:00
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import subprocess
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2007-03-11 08:00:54 +01:00
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2006-12-04 17:55:06 +01:00
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from os.path import join as joinpath
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2004-07-03 06:16:38 +02:00
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2006-05-31 01:44:57 +02:00
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# Check for recent-enough Python and SCons versions. If your system's
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# default installation of Python is not recent enough, you can use a
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# non-default installation of the Python interpreter by either (1)
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# rearranging your PATH so that scons finds the non-default 'python'
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# first or (2) explicitly invoking an alternative interpreter on the
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# scons script, e.g., "/usr/local/bin/python2.4 `which scons` [args]".
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EnsurePythonVersion(2,4)
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2006-05-30 12:34:26 +02:00
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# Ironically, SCons 0.96 dies if you give EnsureSconsVersion a
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# 3-element version number.
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min_scons_version = (0,96,91)
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try:
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EnsureSConsVersion(*min_scons_version)
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except:
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print "Error checking current SCons version."
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print "SCons", ".".join(map(str,min_scons_version)), "or greater required."
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Exit(2)
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2005-08-26 14:18:12 +02:00
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2004-07-03 06:16:38 +02:00
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# The absolute path to the current directory (where this file lives).
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ROOT = Dir('.').abspath
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2006-12-04 17:59:53 +01:00
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# Path to the M5 source tree.
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2006-12-04 17:55:06 +01:00
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SRCDIR = joinpath(ROOT, 'src')
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2004-07-03 06:16:38 +02:00
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2005-03-14 20:43:10 +01:00
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# tell python where to find m5 python code
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2006-12-04 17:55:06 +01:00
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sys.path.append(joinpath(ROOT, 'src/python'))
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2005-03-14 20:43:10 +01:00
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2004-07-03 06:16:38 +02:00
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###################################################
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#
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2006-05-22 20:29:33 +02:00
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# Figure out which configurations to set up based on the path(s) of
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# the target(s).
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2004-07-03 06:16:38 +02:00
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#
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###################################################
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# Find default configuration & binary.
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2006-05-22 20:29:33 +02:00
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Default(os.environ.get('M5_DEFAULT_BINARY', 'build/ALPHA_SE/m5.debug'))
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2004-07-03 06:16:38 +02:00
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2006-05-22 20:29:33 +02:00
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# helper function: find last occurrence of element in list
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def rfind(l, elt, offs = -1):
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for i in range(len(l)+offs, 0, -1):
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if l[i] == elt:
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return i
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raise ValueError, "element not found"
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2006-08-22 00:25:33 +02:00
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# helper function: compare dotted version numbers.
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# E.g., compare_version('1.3.25', '1.4.1')
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# returns -1, 0, 1 if v1 is <, ==, > v2
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def compare_versions(v1, v2):
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# Convert dotted strings to lists
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v1 = map(int, v1.split('.'))
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v2 = map(int, v2.split('.'))
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# Compare corresponding elements of lists
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for n1,n2 in zip(v1, v2):
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if n1 < n2: return -1
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if n1 > n2: return 1
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# all corresponding values are equal... see if one has extra values
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if len(v1) < len(v2): return -1
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if len(v1) > len(v2): return 1
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return 0
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2006-05-22 20:29:33 +02:00
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# Each target must have 'build' in the interior of the path; the
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# directory below this will determine the build parameters. For
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# example, for target 'foo/bar/build/ALPHA_SE/arch/alpha/blah.do' we
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# recognize that ALPHA_SE specifies the configuration because it
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# follow 'build' in the bulid path.
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2006-12-04 18:09:36 +01:00
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# Generate absolute paths to targets so we can see where the build dir is
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if COMMAND_LINE_TARGETS:
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# Ask SCons which directory it was invoked from
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launch_dir = GetLaunchDir()
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# Make targets relative to invocation directory
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abs_targets = map(lambda x: os.path.normpath(joinpath(launch_dir, str(x))),
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COMMAND_LINE_TARGETS)
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else:
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# Default targets are relative to root of tree
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abs_targets = map(lambda x: os.path.normpath(joinpath(ROOT, str(x))),
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DEFAULT_TARGETS)
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2006-05-23 03:51:59 +02:00
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# Generate a list of the unique build roots and configs that the
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# collected targets reference.
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2006-05-22 20:29:33 +02:00
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build_paths = []
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2006-05-23 04:37:56 +02:00
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build_root = None
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2006-05-22 20:29:33 +02:00
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for t in abs_targets:
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path_dirs = t.split('/')
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try:
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build_top = rfind(path_dirs, 'build', -2)
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except:
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print "Error: no non-leaf 'build' dir found on target path", t
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2005-08-30 19:18:54 +02:00
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Exit(1)
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2006-12-04 17:55:06 +01:00
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this_build_root = joinpath('/',*path_dirs[:build_top+1])
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2006-05-23 04:37:56 +02:00
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if not build_root:
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build_root = this_build_root
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else:
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if this_build_root != build_root:
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print "Error: build targets not under same build root\n"\
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" %s\n %s" % (build_root, this_build_root)
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Exit(1)
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2006-12-04 17:55:06 +01:00
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build_path = joinpath('/',*path_dirs[:build_top+2])
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2006-05-23 03:51:59 +02:00
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if build_path not in build_paths:
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build_paths.append(build_path)
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2004-07-03 06:16:38 +02:00
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###################################################
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#
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# Set up the default build environment. This environment is copied
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# and modified according to each selected configuration.
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#
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###################################################
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2005-08-30 19:18:54 +02:00
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env = Environment(ENV = os.environ, # inherit user's environment vars
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ROOT = ROOT,
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2006-05-22 20:29:33 +02:00
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SRCDIR = SRCDIR)
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2004-07-03 06:16:38 +02:00
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2006-11-13 19:26:36 +01:00
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#Parse CC/CXX early so that we use the correct compiler for
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# to test for dependencies/versions/libraries/includes
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if ARGUMENTS.get('CC', None):
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env['CC'] = ARGUMENTS.get('CC')
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if ARGUMENTS.get('CXX', None):
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env['CXX'] = ARGUMENTS.get('CXX')
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2007-05-30 23:08:12 +02:00
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Export('env')
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2006-12-04 17:55:06 +01:00
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env.SConsignFile(joinpath(build_root,"sconsign"))
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2004-10-22 08:11:51 +02:00
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2006-06-10 05:01:31 +02:00
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# Default duplicate option is to use hard links, but this messes up
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# when you use emacs to edit a file in the target dir, as emacs moves
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# file to file~ then copies to file, breaking the link. Symbolic
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# (soft) links work better.
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env.SetOption('duplicate', 'soft-copy')
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2005-09-05 22:31:27 +02:00
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# I waffle on this setting... it does avoid a few painful but
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# unnecessary builds, but it also seems to make trivial builds take
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# noticeably longer.
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if False:
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env.TargetSignatures('content')
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2004-08-16 23:27:38 +02:00
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2006-05-22 20:29:33 +02:00
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# M5_PLY is used by isa_parser.py to find the PLY package.
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env.Append(ENV = { 'M5_PLY' : Dir('ext/ply') })
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2007-01-27 00:48:51 +01:00
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env['GCC'] = False
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env['SUNCC'] = False
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2007-01-27 21:38:04 +01:00
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env['ICC'] = False
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2007-01-27 00:48:51 +01:00
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env['GCC'] = subprocess.Popen(env['CXX'] + ' --version', shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
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close_fds=True).communicate()[0].find('GCC') >= 0
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env['SUNCC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
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close_fds=True).communicate()[0].find('Sun C++') >= 0
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2007-01-27 21:38:04 +01:00
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env['ICC'] = subprocess.Popen(env['CXX'] + ' -V', shell=True,
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stdout=subprocess.PIPE, stderr=subprocess.STDOUT,
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close_fds=True).communicate()[0].find('Intel') >= 0
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2007-01-27 21:47:18 +01:00
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if env['GCC'] + env['SUNCC'] + env['ICC'] > 1:
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2007-01-27 21:38:04 +01:00
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print 'Error: How can we have two at the same time?'
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2007-01-27 00:48:51 +01:00
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Exit(1)
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2004-07-03 06:16:38 +02:00
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2005-08-30 19:18:54 +02:00
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# Set up default C++ compiler flags
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2007-01-27 00:48:51 +01:00
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if env['GCC']:
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env.Append(CCFLAGS='-pipe')
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env.Append(CCFLAGS='-fno-strict-aliasing')
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env.Append(CCFLAGS=Split('-Wall -Wno-sign-compare -Werror -Wundef'))
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2007-01-27 21:38:04 +01:00
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elif env['ICC']:
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pass #Fix me... add warning flags once we clean up icc warnings
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2007-01-27 00:48:51 +01:00
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elif env['SUNCC']:
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env.Append(CCFLAGS='-Qoption ccfe')
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env.Append(CCFLAGS='-features=gcc')
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env.Append(CCFLAGS='-features=extensions')
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env.Append(CCFLAGS='-library=stlport4')
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env.Append(CCFLAGS='-xar')
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# env.Append(CCFLAGS='-instances=semiexplicit')
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else:
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print 'Error: Don\'t know what compiler options to use for your compiler.'
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2007-01-27 21:38:04 +01:00
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print ' Please fix SConstruct and src/SConscript and try again.'
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2007-01-27 00:48:51 +01:00
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Exit(1)
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2005-08-19 23:10:17 +02:00
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if sys.platform == 'cygwin':
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# cygwin has some header file issues...
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2005-08-30 19:18:54 +02:00
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env.Append(CCFLAGS=Split("-Wno-uninitialized"))
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2006-05-22 20:29:33 +02:00
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env.Append(CPPPATH=[Dir('ext/dnet')])
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2004-07-03 06:16:38 +02:00
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2006-08-22 00:25:33 +02:00
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# Check for SWIG
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if not env.has_key('SWIG'):
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print 'Error: SWIG utility not found.'
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print ' Please install (see http://www.swig.org) and retry.'
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Exit(1)
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# Check for appropriate SWIG version
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swig_version = os.popen('swig -version').read().split()
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# First 3 words should be "SWIG Version x.y.z"
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2007-07-15 03:35:26 +02:00
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if len(swig_version) < 3 or \
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swig_version[0] != 'SWIG' or swig_version[1] != 'Version':
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2006-08-22 00:25:33 +02:00
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print 'Error determining SWIG version.'
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Exit(1)
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min_swig_version = '1.3.28'
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if compare_versions(swig_version[2], min_swig_version) < 0:
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print 'Error: SWIG version', min_swig_version, 'or newer required.'
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print ' Installed version:', swig_version[2]
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Exit(1)
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2006-06-10 05:01:31 +02:00
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2006-08-22 00:25:33 +02:00
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# Set up SWIG flags & scanner
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2007-06-10 22:54:59 +02:00
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swig_flags=Split('-c++ -python -modern -templatereduce $_CPPINCFLAGS')
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env.Append(SWIGFLAGS=swig_flags)
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# filter out all existing swig scanners, they mess up the dependency
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# stuff for some reason
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scanners = []
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for scanner in env['SCANNERS']:
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skeys = scanner.skeys
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if skeys == '.i':
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continue
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if isinstance(skeys, (list, tuple)) and '.i' in skeys:
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continue
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2006-06-10 05:01:31 +02:00
|
|
|
|
2007-06-10 22:54:59 +02:00
|
|
|
scanners.append(scanner)
|
2006-06-10 05:01:31 +02:00
|
|
|
|
2007-06-10 22:54:59 +02:00
|
|
|
# add the new swig scanner that we like better
|
|
|
|
from SCons.Scanner import ClassicCPP as CPPScanner
|
2006-06-10 05:01:31 +02:00
|
|
|
swig_inc_re = '^[ \t]*[%,#][ \t]*(?:include|import)[ \t]*(<|")([^>"]+)(>|")'
|
2007-06-10 22:54:59 +02:00
|
|
|
scanners.append(CPPScanner("SwigScan", [ ".i" ], "CPPPATH", swig_inc_re))
|
2006-06-10 05:01:31 +02:00
|
|
|
|
2007-06-10 22:54:59 +02:00
|
|
|
# replace the scanners list that has what we want
|
|
|
|
env['SCANNERS'] = scanners
|
2006-06-10 05:01:31 +02:00
|
|
|
|
2006-05-23 04:37:56 +02:00
|
|
|
# Platform-specific configuration. Note again that we assume that all
|
|
|
|
# builds under a given build root run on the same host platform.
|
|
|
|
conf = Configure(env,
|
2006-12-04 17:55:06 +01:00
|
|
|
conf_dir = joinpath(build_root, '.scons_config'),
|
|
|
|
log_file = joinpath(build_root, 'scons_config.log'))
|
2005-08-30 19:18:54 +02:00
|
|
|
|
2006-10-01 07:42:18 +02:00
|
|
|
# Find Python include and library directories for embedding the
|
|
|
|
# interpreter. For consistency, we will use the same Python
|
|
|
|
# installation used to run scons (and thus this script). If you want
|
|
|
|
# to link in an alternate version, see above for instructions on how
|
|
|
|
# to invoke scons with a different copy of the Python interpreter.
|
|
|
|
|
|
|
|
# Get brief Python version name (e.g., "python2.4") for locating
|
|
|
|
# include & library files
|
|
|
|
py_version_name = 'python' + sys.version[:3]
|
|
|
|
|
|
|
|
# include path, e.g. /usr/local/include/python2.4
|
2006-12-04 17:55:06 +01:00
|
|
|
py_header_path = joinpath(sys.exec_prefix, 'include', py_version_name)
|
2006-10-01 07:42:18 +02:00
|
|
|
env.Append(CPPPATH = py_header_path)
|
|
|
|
# verify that it works
|
|
|
|
if not conf.CheckHeader('Python.h', '<>'):
|
|
|
|
print "Error: can't find Python.h header in", py_header_path
|
|
|
|
Exit(1)
|
|
|
|
|
|
|
|
# add library path too if it's not in the default place
|
|
|
|
py_lib_path = None
|
|
|
|
if sys.exec_prefix != '/usr':
|
2006-12-04 17:55:06 +01:00
|
|
|
py_lib_path = joinpath(sys.exec_prefix, 'lib')
|
2006-10-01 07:42:18 +02:00
|
|
|
elif sys.platform == 'cygwin':
|
|
|
|
# cygwin puts the .dll in /bin for some reason
|
|
|
|
py_lib_path = '/bin'
|
|
|
|
if py_lib_path:
|
|
|
|
env.Append(LIBPATH = py_lib_path)
|
|
|
|
print 'Adding', py_lib_path, 'to LIBPATH for', py_version_name
|
|
|
|
if not conf.CheckLib(py_version_name):
|
|
|
|
print "Error: can't find Python library", py_version_name
|
|
|
|
Exit(1)
|
|
|
|
|
2006-11-05 03:41:01 +01:00
|
|
|
# On Solaris you need to use libsocket for socket ops
|
2006-11-06 16:15:27 +01:00
|
|
|
if not conf.CheckLibWithHeader(None, 'sys/socket.h', 'C++', 'accept(0,0,0);'):
|
|
|
|
if not conf.CheckLibWithHeader('socket', 'sys/socket.h', 'C++', 'accept(0,0,0);'):
|
2006-11-05 03:41:01 +01:00
|
|
|
print "Can't find library with socket calls (e.g. accept())"
|
|
|
|
Exit(1)
|
|
|
|
|
2006-08-22 00:25:33 +02:00
|
|
|
# Check for zlib. If the check passes, libz will be automatically
|
|
|
|
# added to the LIBS environment variable.
|
2007-01-27 00:48:51 +01:00
|
|
|
if not conf.CheckLibWithHeader('z', 'zlib.h', 'C++','zlibVersion();'):
|
2006-08-22 00:25:33 +02:00
|
|
|
print 'Error: did not find needed zlib compression library '\
|
|
|
|
'and/or zlib.h header file.'
|
|
|
|
print ' Please install zlib and try again.'
|
|
|
|
Exit(1)
|
|
|
|
|
2005-08-30 19:18:54 +02:00
|
|
|
# Check for <fenv.h> (C99 FP environment control)
|
|
|
|
have_fenv = conf.CheckHeader('fenv.h', '<>')
|
|
|
|
if not have_fenv:
|
|
|
|
print "Warning: Header file <fenv.h> not found."
|
|
|
|
print " This host has no IEEE FP rounding mode control."
|
|
|
|
|
2005-08-31 05:34:36 +02:00
|
|
|
# Check for mysql.
|
2005-08-30 19:18:54 +02:00
|
|
|
mysql_config = WhereIs('mysql_config')
|
|
|
|
have_mysql = mysql_config != None
|
|
|
|
|
2005-08-31 05:34:36 +02:00
|
|
|
# Check MySQL version.
|
|
|
|
if have_mysql:
|
2005-08-31 16:00:42 +02:00
|
|
|
mysql_version = os.popen(mysql_config + ' --version').read()
|
2006-08-22 00:25:33 +02:00
|
|
|
min_mysql_version = '4.1'
|
|
|
|
if compare_versions(mysql_version, min_mysql_version) < 0:
|
|
|
|
print 'Warning: MySQL', min_mysql_version, 'or newer required.'
|
|
|
|
print ' Version', mysql_version, 'detected.'
|
2005-08-31 05:34:36 +02:00
|
|
|
have_mysql = False
|
|
|
|
|
|
|
|
# Set up mysql_config commands.
|
|
|
|
if have_mysql:
|
|
|
|
mysql_config_include = mysql_config + ' --include'
|
|
|
|
if os.system(mysql_config_include + ' > /dev/null') != 0:
|
|
|
|
# older mysql_config versions don't support --include, use
|
|
|
|
# --cflags instead
|
2005-08-31 16:00:42 +02:00
|
|
|
mysql_config_include = mysql_config + ' --cflags | sed s/\\\'//g'
|
2005-08-31 05:34:36 +02:00
|
|
|
# This seems to work in all versions
|
|
|
|
mysql_config_libs = mysql_config + ' --libs'
|
|
|
|
|
2005-08-30 19:18:54 +02:00
|
|
|
env = conf.Finish()
|
|
|
|
|
2006-02-23 04:22:06 +01:00
|
|
|
# Define the universe of supported ISAs
|
2007-03-11 08:00:54 +01:00
|
|
|
all_isa_list = [ ]
|
|
|
|
Export('all_isa_list')
|
2006-02-23 04:22:06 +01:00
|
|
|
|
2006-02-23 23:00:29 +01:00
|
|
|
# Define the universe of supported CPU models
|
2007-03-11 08:00:54 +01:00
|
|
|
all_cpu_list = [ ]
|
|
|
|
default_cpus = [ ]
|
|
|
|
Export('all_cpu_list', 'default_cpus')
|
2006-02-23 23:00:29 +01:00
|
|
|
|
2005-09-05 22:31:27 +02:00
|
|
|
# Sticky options get saved in the options file so they persist from
|
|
|
|
# one invocation to the next (unless overridden, in which case the new
|
|
|
|
# value becomes sticky).
|
|
|
|
sticky_opts = Options(args=ARGUMENTS)
|
2007-03-11 08:00:54 +01:00
|
|
|
Export('sticky_opts')
|
|
|
|
|
|
|
|
# Non-sticky options only apply to the current build.
|
|
|
|
nonsticky_opts = Options(args=ARGUMENTS)
|
|
|
|
Export('nonsticky_opts')
|
|
|
|
|
|
|
|
# Walk the tree and execute all SConsopts scripts that wil add to the
|
|
|
|
# above options
|
|
|
|
for root, dirs, files in os.walk('.'):
|
|
|
|
if 'SConsopts' in files:
|
|
|
|
SConscript(os.path.join(root, 'SConsopts'))
|
|
|
|
|
|
|
|
all_isa_list.sort()
|
|
|
|
all_cpu_list.sort()
|
|
|
|
default_cpus.sort()
|
|
|
|
|
2005-09-05 22:31:27 +02:00
|
|
|
sticky_opts.AddOptions(
|
2007-03-11 08:00:54 +01:00
|
|
|
EnumOption('TARGET_ISA', 'Target ISA', 'alpha', all_isa_list),
|
2005-09-05 22:31:27 +02:00
|
|
|
BoolOption('FULL_SYSTEM', 'Full-system support', False),
|
2006-03-29 05:55:08 +02:00
|
|
|
# There's a bug in scons 0.96.1 that causes ListOptions with list
|
|
|
|
# values (more than one value) not to be able to be restored from
|
|
|
|
# a saved option file. If this causes trouble then upgrade to
|
|
|
|
# scons 0.96.90 or later.
|
2007-03-11 08:00:54 +01:00
|
|
|
ListOption('CPU_MODELS', 'CPU models', default_cpus, all_cpu_list),
|
2005-09-05 22:31:27 +02:00
|
|
|
BoolOption('NO_FAST_ALLOC', 'Disable fast object allocator', False),
|
|
|
|
BoolOption('EFENCE', 'Link with Electric Fence malloc debugger',
|
|
|
|
False),
|
|
|
|
BoolOption('SS_COMPATIBLE_FP',
|
|
|
|
'Make floating-point results compatible with SimpleScalar',
|
|
|
|
False),
|
2005-11-09 15:52:07 +01:00
|
|
|
BoolOption('USE_SSE2',
|
|
|
|
'Compile for SSE2 (-msse2) to get IEEE FP on x86 hosts',
|
|
|
|
False),
|
2005-09-05 22:31:27 +02:00
|
|
|
BoolOption('USE_MYSQL', 'Use MySQL for stats output', have_mysql),
|
|
|
|
BoolOption('USE_FENV', 'Use <fenv.h> IEEE mode control', have_fenv),
|
2006-06-16 23:08:47 +02:00
|
|
|
BoolOption('USE_CHECKER', 'Use checker for detailed CPU models', False),
|
2005-09-05 22:31:27 +02:00
|
|
|
('CC', 'C compiler', os.environ.get('CC', env['CC'])),
|
2005-09-22 21:27:42 +02:00
|
|
|
('CXX', 'C++ compiler', os.environ.get('CXX', env['CXX'])),
|
|
|
|
BoolOption('BATCH', 'Use batch pool for build and tests', False),
|
2006-10-20 20:37:59 +02:00
|
|
|
('BATCH_CMD', 'Batch pool submission command name', 'qdo'),
|
|
|
|
('PYTHONHOME',
|
|
|
|
'Override the default PYTHONHOME for this system (use with caution)',
|
|
|
|
'%s:%s' % (sys.prefix, sys.exec_prefix))
|
2005-09-05 22:31:27 +02:00
|
|
|
)
|
|
|
|
|
|
|
|
nonsticky_opts.AddOptions(
|
|
|
|
BoolOption('update_ref', 'Update test reference outputs', False)
|
|
|
|
)
|
|
|
|
|
2006-06-17 15:26:08 +02:00
|
|
|
# These options get exported to #defines in config/*.hh (see src/SConscript).
|
2005-09-05 22:31:27 +02:00
|
|
|
env.ExportOptions = ['FULL_SYSTEM', 'ALPHA_TLASER', 'USE_FENV', \
|
2006-06-16 23:08:47 +02:00
|
|
|
'USE_MYSQL', 'NO_FAST_ALLOC', 'SS_COMPATIBLE_FP', \
|
2006-11-10 00:22:46 +01:00
|
|
|
'USE_CHECKER', 'PYTHONHOME', 'TARGET_ISA']
|
2005-09-05 22:31:27 +02:00
|
|
|
|
|
|
|
# Define a handy 'no-op' action
|
|
|
|
def no_action(target, source, env):
|
|
|
|
return 0
|
|
|
|
|
|
|
|
env.NoAction = Action(no_action, None)
|
|
|
|
|
|
|
|
###################################################
|
|
|
|
#
|
|
|
|
# Define a SCons builder for configuration flag headers.
|
|
|
|
#
|
|
|
|
###################################################
|
|
|
|
|
|
|
|
# This function generates a config header file that #defines the
|
|
|
|
# option symbol to the current option setting (0 or 1). The source
|
|
|
|
# operands are the name of the option and a Value node containing the
|
|
|
|
# value of the option.
|
|
|
|
def build_config_file(target, source, env):
|
|
|
|
(option, value) = [s.get_contents() for s in source]
|
2005-08-30 19:18:54 +02:00
|
|
|
f = file(str(target[0]), 'w')
|
2005-09-05 22:31:27 +02:00
|
|
|
print >> f, '#define', option, value
|
2005-08-30 19:18:54 +02:00
|
|
|
f.close()
|
|
|
|
return None
|
|
|
|
|
2005-09-05 22:31:27 +02:00
|
|
|
# Generate the message to be printed when building the config file.
|
|
|
|
def build_config_file_string(target, source, env):
|
|
|
|
(option, value) = [s.get_contents() for s in source]
|
|
|
|
return "Defining %s as %s in %s." % (option, value, target[0])
|
|
|
|
|
|
|
|
# Combine the two functions into a scons Action object.
|
|
|
|
config_action = Action(build_config_file, build_config_file_string)
|
|
|
|
|
|
|
|
# The emitter munges the source & target node lists to reflect what
|
|
|
|
# we're really doing.
|
|
|
|
def config_emitter(target, source, env):
|
|
|
|
# extract option name from Builder arg
|
|
|
|
option = str(target[0])
|
|
|
|
# True target is config header file
|
2006-12-04 17:55:06 +01:00
|
|
|
target = joinpath('config', option.lower() + '.hh')
|
2006-10-20 20:37:59 +02:00
|
|
|
val = env[option]
|
|
|
|
if isinstance(val, bool):
|
|
|
|
# Force value to 0/1
|
|
|
|
val = int(val)
|
|
|
|
elif isinstance(val, str):
|
|
|
|
val = '"' + val + '"'
|
|
|
|
|
2005-09-05 22:31:27 +02:00
|
|
|
# Sources are option name & value (packaged in SCons Value nodes)
|
|
|
|
return ([target], [Value(option), Value(val)])
|
2005-08-30 19:18:54 +02:00
|
|
|
|
2005-09-05 22:31:27 +02:00
|
|
|
config_builder = Builder(emitter = config_emitter, action = config_action)
|
2005-08-30 19:18:54 +02:00
|
|
|
|
2005-09-05 22:31:27 +02:00
|
|
|
env.Append(BUILDERS = { 'ConfigFile' : config_builder })
|
2004-08-07 23:23:01 +02:00
|
|
|
|
2006-05-30 19:11:34 +02:00
|
|
|
###################################################
|
|
|
|
#
|
|
|
|
# Define a SCons builder for copying files. This is used by the
|
|
|
|
# Python zipfile code in src/python/SConscript, but is placed up here
|
|
|
|
# since it's potentially more generally applicable.
|
|
|
|
#
|
|
|
|
###################################################
|
|
|
|
|
|
|
|
copy_builder = Builder(action = Copy("$TARGET", "$SOURCE"))
|
|
|
|
|
|
|
|
env.Append(BUILDERS = { 'CopyFile' : copy_builder })
|
|
|
|
|
|
|
|
###################################################
|
|
|
|
#
|
|
|
|
# Define a simple SCons builder to concatenate files.
|
|
|
|
#
|
|
|
|
# Used to append the Python zip archive to the executable.
|
|
|
|
#
|
|
|
|
###################################################
|
|
|
|
|
|
|
|
concat_builder = Builder(action = Action(['cat $SOURCES > $TARGET',
|
|
|
|
'chmod +x $TARGET']))
|
|
|
|
|
|
|
|
env.Append(BUILDERS = { 'Concat' : concat_builder })
|
|
|
|
|
|
|
|
|
2006-05-23 03:51:59 +02:00
|
|
|
# base help text
|
|
|
|
help_text = '''
|
|
|
|
Usage: scons [scons options] [build options] [target(s)]
|
|
|
|
|
|
|
|
'''
|
|
|
|
|
2006-05-23 04:37:56 +02:00
|
|
|
# libelf build is shared across all configs in the build root.
|
|
|
|
env.SConscript('ext/libelf/SConscript',
|
2006-12-04 17:55:06 +01:00
|
|
|
build_dir = joinpath(build_root, 'libelf'),
|
2006-05-23 04:37:56 +02:00
|
|
|
exports = 'env')
|
|
|
|
|
2006-11-07 11:33:21 +01:00
|
|
|
###################################################
|
|
|
|
#
|
|
|
|
# This function is used to set up a directory with switching headers
|
|
|
|
#
|
|
|
|
###################################################
|
|
|
|
|
2007-03-11 08:00:54 +01:00
|
|
|
env['ALL_ISA_LIST'] = all_isa_list
|
2006-11-07 11:33:21 +01:00
|
|
|
def make_switching_dir(dirname, switch_headers, env):
|
|
|
|
# Generate the header. target[0] is the full path of the output
|
|
|
|
# header to generate. 'source' is a dummy variable, since we get the
|
|
|
|
# list of ISAs from env['ALL_ISA_LIST'].
|
|
|
|
def gen_switch_hdr(target, source, env):
|
|
|
|
fname = str(target[0])
|
|
|
|
basename = os.path.basename(fname)
|
|
|
|
f = open(fname, 'w')
|
|
|
|
f.write('#include "arch/isa_specific.hh"\n')
|
|
|
|
cond = '#if'
|
2007-03-11 08:00:54 +01:00
|
|
|
for isa in all_isa_list:
|
2006-11-07 11:33:21 +01:00
|
|
|
f.write('%s THE_ISA == %s_ISA\n#include "%s/%s/%s"\n'
|
|
|
|
% (cond, isa.upper(), dirname, isa, basename))
|
|
|
|
cond = '#elif'
|
|
|
|
f.write('#else\n#error "THE_ISA not set"\n#endif\n')
|
|
|
|
f.close()
|
|
|
|
return 0
|
|
|
|
|
|
|
|
# String to print when generating header
|
|
|
|
def gen_switch_hdr_string(target, source, env):
|
|
|
|
return "Generating switch header " + str(target[0])
|
|
|
|
|
|
|
|
# Build SCons Action object. 'varlist' specifies env vars that this
|
|
|
|
# action depends on; when env['ALL_ISA_LIST'] changes these actions
|
|
|
|
# should get re-executed.
|
|
|
|
switch_hdr_action = Action(gen_switch_hdr, gen_switch_hdr_string,
|
|
|
|
varlist=['ALL_ISA_LIST'])
|
|
|
|
|
|
|
|
# Instantiate actions for each header
|
|
|
|
for hdr in switch_headers:
|
|
|
|
env.Command(hdr, [], switch_hdr_action)
|
2007-03-11 08:00:54 +01:00
|
|
|
Export('make_switching_dir')
|
2006-11-07 11:33:21 +01:00
|
|
|
|
2004-07-03 06:16:38 +02:00
|
|
|
###################################################
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#
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# Define build environments for selected configurations.
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#
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###################################################
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2005-08-30 19:18:54 +02:00
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# rename base env
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base_env = env
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2006-05-22 20:29:33 +02:00
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for build_path in build_paths:
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print "Building in", build_path
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# build_dir is the tail component of build path, and is used to
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# determine the build parameters (e.g., 'ALPHA_SE')
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(build_root, build_dir) = os.path.split(build_path)
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2006-05-23 03:51:59 +02:00
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# Make a copy of the build-root environment to use for this config.
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2006-05-23 04:37:56 +02:00
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env = base_env.Copy()
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2006-01-25 01:57:17 +01:00
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2006-05-22 20:29:33 +02:00
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# Set env options according to the build directory config.
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2005-09-25 03:16:02 +02:00
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sticky_opts.files = []
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2006-05-22 20:29:33 +02:00
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# Options for $BUILD_ROOT/$BUILD_DIR are stored in
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# $BUILD_ROOT/options/$BUILD_DIR so you can nuke
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# $BUILD_ROOT/$BUILD_DIR without losing your options settings.
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2006-12-04 17:55:06 +01:00
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current_opts_file = joinpath(build_root, 'options', build_dir)
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2006-05-22 20:29:33 +02:00
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if os.path.isfile(current_opts_file):
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sticky_opts.files.append(current_opts_file)
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print "Using saved options file %s" % current_opts_file
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2005-09-25 03:24:44 +02:00
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else:
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2006-05-22 20:29:33 +02:00
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# Build dir-specific options file doesn't exist.
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# Make sure the directory is there so we can create it later
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opt_dir = os.path.dirname(current_opts_file)
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2005-09-25 03:24:44 +02:00
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if not os.path.isdir(opt_dir):
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os.mkdir(opt_dir)
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2006-05-22 20:29:33 +02:00
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# Get default build options from source tree. Options are
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# normally determined by name of $BUILD_DIR, but can be
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# overriden by 'default=' arg on command line.
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2006-12-04 17:55:06 +01:00
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default_opts_file = joinpath('build_opts',
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ARGUMENTS.get('default', build_dir))
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2006-05-22 20:29:33 +02:00
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if os.path.isfile(default_opts_file):
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sticky_opts.files.append(default_opts_file)
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print "Options file %s not found,\n using defaults in %s" \
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% (current_opts_file, default_opts_file)
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else:
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print "Error: cannot find options file %s or %s" \
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% (current_opts_file, default_opts_file)
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Exit(1)
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2005-09-25 03:16:02 +02:00
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# Apply current option settings to env
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2005-09-05 22:31:27 +02:00
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sticky_opts.Update(env)
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nonsticky_opts.Update(env)
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2005-08-30 19:18:54 +02:00
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2006-05-09 18:43:01 +02:00
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help_text += "Sticky options for %s:\n" % build_dir \
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+ sticky_opts.GenerateHelpText(env) \
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+ "\nNon-sticky options for %s:\n" % build_dir \
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+ nonsticky_opts.GenerateHelpText(env)
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2005-08-30 19:18:54 +02:00
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# Process option settings.
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if not have_fenv and env['USE_FENV']:
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print "Warning: <fenv.h> not available; " \
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"forcing USE_FENV to False in", build_dir + "."
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env['USE_FENV'] = False
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if not env['USE_FENV']:
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print "Warning: No IEEE FP rounding mode control in", build_dir + "."
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2005-09-12 14:59:14 +02:00
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print " FP results may deviate slightly from other platforms."
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2005-08-30 19:18:54 +02:00
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if env['EFENCE']:
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env.Append(LIBS=['efence'])
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if env['USE_MYSQL']:
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if not have_mysql:
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print "Warning: MySQL not available; " \
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"forcing USE_MYSQL to False in", build_dir + "."
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env['USE_MYSQL'] = False
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else:
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print "Compiling in", build_dir, "with MySQL support."
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2005-08-31 05:34:36 +02:00
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env.ParseConfig(mysql_config_libs)
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env.ParseConfig(mysql_config_include)
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2005-09-05 22:31:27 +02:00
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2005-09-25 03:16:02 +02:00
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# Save sticky option settings back to current options file
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2006-05-22 20:29:33 +02:00
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sticky_opts.Save(current_opts_file, env)
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2005-09-05 22:31:27 +02:00
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2005-09-22 21:27:42 +02:00
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# Do this after we save setting back, or else we'll tack on an
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# extra 'qdo' every time we run scons.
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if env['BATCH']:
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env['CC'] = env['BATCH_CMD'] + ' ' + env['CC']
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env['CXX'] = env['BATCH_CMD'] + ' ' + env['CXX']
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2005-11-09 15:52:07 +01:00
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if env['USE_SSE2']:
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env.Append(CCFLAGS='-msse2')
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2006-06-17 15:26:08 +02:00
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# The src/SConscript file sets up the build rules in 'env' according
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2005-09-05 22:31:27 +02:00
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# to the configured options. It returns a list of environments,
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# one for each variant build (debug, opt, etc.)
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2006-05-22 20:29:33 +02:00
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envList = SConscript('src/SConscript', build_dir = build_path,
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2006-06-10 05:01:31 +02:00
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exports = 'env')
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2005-09-05 22:31:27 +02:00
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# Set up the regression tests for each build.
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2006-07-19 22:07:25 +02:00
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for e in envList:
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SConscript('tests/SConscript',
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2006-12-04 17:55:06 +01:00
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build_dir = joinpath(build_path, 'tests', e.Label),
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2006-07-19 22:07:25 +02:00
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exports = { 'env' : e }, duplicate = False)
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2004-07-03 06:16:38 +02:00
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2006-05-09 18:43:01 +02:00
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Help(help_text)
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2006-11-07 11:33:21 +01:00
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2004-07-03 06:16:38 +02:00
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###################################################
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#
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# Let SCons do its thing. At this point SCons will use the defined
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2005-03-14 13:46:26 +01:00
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# build environments to build the requested targets.
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2004-07-03 06:16:38 +02:00
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#
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###################################################
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