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authorLuca Falavigna <dktrkranz@debian.org>2010-01-02 20:31:28 +0100
committerLuca Falavigna <dktrkranz@debian.org>2010-01-02 20:31:28 +0100
commitd4ced36437871acd01f2ed12b1899d1969b5492f (patch)
tree25ca9dae17a0b768409dce20de86749ec157e0f5 /engine/SCons/Scanner/Prog.py
parenta26d8475c55ab30f5940ba815235e6bb0036a6de (diff)
parent9b73d2781acfc322319eb5c59b30f2dfa0fea977 (diff)
Merge commit 'upstream/1.2.0.d20091224'
Diffstat (limited to 'engine/SCons/Scanner/Prog.py')
-rw-r--r--engine/SCons/Scanner/Prog.py103
1 files changed, 103 insertions, 0 deletions
diff --git a/engine/SCons/Scanner/Prog.py b/engine/SCons/Scanner/Prog.py
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+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be included
+# in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+#
+
+__revision__ = "src/engine/SCons/Scanner/Prog.py 4577 2009/12/27 19:43:56 scons"
+
+import string
+
+import SCons.Node
+import SCons.Node.FS
+import SCons.Scanner
+import SCons.Util
+
+# global, set by --debug=findlibs
+print_find_libs = None
+
+def ProgramScanner(**kw):
+ """Return a prototype Scanner instance for scanning executable
+ files for static-lib dependencies"""
+ kw['path_function'] = SCons.Scanner.FindPathDirs('LIBPATH')
+ ps = apply(SCons.Scanner.Base, [scan, "ProgramScanner"], kw)
+ return ps
+
+def scan(node, env, libpath = ()):
+ """
+ This scanner scans program files for static-library
+ dependencies. It will search the LIBPATH environment variable
+ for libraries specified in the LIBS variable, returning any
+ files it finds as dependencies.
+ """
+ try:
+ libs = env['LIBS']
+ except KeyError:
+ # There are no LIBS in this environment, so just return a null list:
+ return []
+ if SCons.Util.is_String(libs):
+ libs = string.split(libs)
+ else:
+ libs = SCons.Util.flatten(libs)
+
+ try:
+ prefix = env['LIBPREFIXES']
+ if not SCons.Util.is_List(prefix):
+ prefix = [ prefix ]
+ except KeyError:
+ prefix = [ '' ]
+
+ try:
+ suffix = env['LIBSUFFIXES']
+ if not SCons.Util.is_List(suffix):
+ suffix = [ suffix ]
+ except KeyError:
+ suffix = [ '' ]
+
+ pairs = []
+ for suf in map(env.subst, suffix):
+ for pref in map(env.subst, prefix):
+ pairs.append((pref, suf))
+
+ result = []
+
+ if callable(libpath):
+ libpath = libpath()
+
+ find_file = SCons.Node.FS.find_file
+ adjustixes = SCons.Util.adjustixes
+ for lib in libs:
+ if SCons.Util.is_String(lib):
+ lib = env.subst(lib)
+ for pref, suf in pairs:
+ l = adjustixes(lib, pref, suf)
+ l = find_file(l, libpath, verbose=print_find_libs)
+ if l:
+ result.append(l)
+ else:
+ result.append(lib)
+
+ return result
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: