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+#
+# Copyright (c) 2001 Steven Knight
+#
+# 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__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"
+
+import SCons.Scanner
+import SCons.Node.FS
+import SCons.Util
+
+def ProgScan():
+ """Return a Scanner instance for scanning executable files
+ for static-lib dependencies"""
+ s = SCons.Scanner.Scanner(scan, SCons.Node.FS.default_fs.File)
+ s.name = "ProgScan"
+ return s
+
+def scan(filename, env, node_factory):
+ """
+ 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:
+ paths = env.Dictionary("LIBPATH")
+ except KeyError:
+ paths = []
+
+ try:
+ libs = env.Dictionary("LIBS")
+ except KeyError:
+ libs = []
+
+ try:
+ prefix = env.Dictionary("LIBPREFIX")
+ except KeyError:
+ prefix=''
+
+ try:
+ suffix = env.Dictionary("LIBSUFFIX")
+ except KeyError:
+ suffix=''
+
+ libs = map(lambda x, s=suffix, p=prefix: p + x + s, libs)
+ return SCons.Util.find_files(libs, paths, node_factory)