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authormarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
committermarha <marha@users.sourceforge.net>2010-12-28 16:10:20 +0000
commit807c6931fe683fd844ceec1b023232181e6aae03 (patch)
tree1a131ed95fe2200d0ad33da8f7755a7ed2364adc /mesalib/scons/custom.py
parent973099dda7e49e5abe29819a7124b3b1e7bd8b92 (diff)
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xserver and mesa git update 28-12-2010
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+"""custom
+
+Custom builders and methods.
+
+"""
+
+#
+# Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+# All Rights Reserved.
+#
+# 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, sub license, 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 (including the
+# next paragraph) 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 NON-INFRINGEMENT.
+# IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
+#
+
+
+import os
+import os.path
+import re
+
+import SCons.Action
+import SCons.Builder
+import SCons.Scanner
+
+import fixes
+
+
+def quietCommandLines(env):
+ # Quiet command lines
+ # See also http://www.scons.org/wiki/HidingCommandLinesInOutput
+ env['ASCOMSTR'] = " Assembling $SOURCE ..."
+ env['ASPPCOMSTR'] = " Assembling $SOURCE ..."
+ env['CCCOMSTR'] = " Compiling $SOURCE ..."
+ env['SHCCCOMSTR'] = " Compiling $SOURCE ..."
+ env['CXXCOMSTR'] = " Compiling $SOURCE ..."
+ env['SHCXXCOMSTR'] = " Compiling $SOURCE ..."
+ env['ARCOMSTR'] = " Archiving $TARGET ..."
+ env['RANLIBCOMSTR'] = " Indexing $TARGET ..."
+ env['LINKCOMSTR'] = " Linking $TARGET ..."
+ env['SHLINKCOMSTR'] = " Linking $TARGET ..."
+ env['LDMODULECOMSTR'] = " Linking $TARGET ..."
+ env['SWIGCOMSTR'] = " Generating $TARGET ..."
+ env['CODEGENCOMSTR'] = " Generating $TARGET ..."
+
+
+def createConvenienceLibBuilder(env):
+ """This is a utility function that creates the ConvenienceLibrary
+ Builder in an Environment if it is not there already.
+
+ If it is already there, we return the existing one.
+
+ Based on the stock StaticLibrary and SharedLibrary builders.
+ """
+
+ try:
+ convenience_lib = env['BUILDERS']['ConvenienceLibrary']
+ except KeyError:
+ action_list = [ SCons.Action.Action("$ARCOM", "$ARCOMSTR") ]
+ if env.Detect('ranlib'):
+ ranlib_action = SCons.Action.Action("$RANLIBCOM", "$RANLIBCOMSTR")
+ action_list.append(ranlib_action)
+
+ convenience_lib = SCons.Builder.Builder(action = action_list,
+ emitter = '$LIBEMITTER',
+ prefix = '$LIBPREFIX',
+ suffix = '$LIBSUFFIX',
+ src_suffix = '$SHOBJSUFFIX',
+ src_builder = 'SharedObject')
+ env['BUILDERS']['ConvenienceLibrary'] = convenience_lib
+
+ return convenience_lib
+
+
+# TODO: handle import statements with multiple modules
+# TODO: handle from import statements
+import_re = re.compile(r'^import\s+(\S+)$', re.M)
+
+def python_scan(node, env, path):
+ # http://www.scons.org/doc/0.98.5/HTML/scons-user/c2781.html#AEN2789
+ contents = node.get_contents()
+ source_dir = node.get_dir()
+ imports = import_re.findall(contents)
+ results = []
+ for imp in imports:
+ for dir in path:
+ file = os.path.join(str(dir), imp.replace('.', os.sep) + '.py')
+ if os.path.exists(file):
+ results.append(env.File(file))
+ break
+ file = os.path.join(str(dir), imp.replace('.', os.sep), '__init__.py')
+ if os.path.exists(file):
+ results.append(env.File(file))
+ break
+ return results
+
+python_scanner = SCons.Scanner.Scanner(function = python_scan, skeys = ['.py'])
+
+
+def code_generate(env, script, target, source, command):
+ """Method to simplify code generation via python scripts.
+
+ http://www.scons.org/wiki/UsingCodeGenerators
+ http://www.scons.org/doc/0.98.5/HTML/scons-user/c2768.html
+ """
+
+ # We're generating code using Python scripts, so we have to be
+ # careful with our scons elements. This entry represents
+ # the generator file *in the source directory*.
+ script_src = env.File(script).srcnode()
+
+ # This command creates generated code *in the build directory*.
+ command = command.replace('$SCRIPT', script_src.path)
+ action = SCons.Action.Action(command, "$CODEGENCOMSTR")
+ code = env.Command(target, source, action)
+
+ # Explicitly mark that the generated code depends on the generator,
+ # and on implicitly imported python modules
+ path = (script_src.get_dir(),)
+ deps = [script_src]
+ deps += script_src.get_implicit_deps(env, python_scanner, path)
+ env.Depends(code, deps)
+
+ # Running the Python script causes .pyc files to be generated in the
+ # source directory. When we clean up, they should go too. So add side
+ # effects for .pyc files
+ for dep in deps:
+ pyc = env.File(str(dep) + 'c')
+ env.SideEffect(pyc, code)
+
+ return code
+
+
+def createCodeGenerateMethod(env):
+ env.Append(SCANNERS = python_scanner)
+ env.AddMethod(code_generate, 'CodeGenerate')
+
+
+def generate(env):
+ """Common environment generation code"""
+
+ if env.get('quiet', True):
+ quietCommandLines(env)
+
+ # Custom builders and methods
+ createConvenienceLibBuilder(env)
+ createCodeGenerateMethod(env)
+
+ # for debugging
+ #print env.Dump()
+
+
+def exists(env):
+ return 1