xserver and mesa git update 28-12-2010

1 files changed, 198 insertions, 0 deletions

diff --git a/mesalib/scons/crossmingw.py b/mesalib/scons/crossmingw.py
new file mode 100644
index 000000000..bac51de07
--- /dev/null
+++ b/mesalib/scons/crossmingw.py
@@ -0,0 +1,198 @@
+"""SCons.Tool.gcc

+

+Tool-specific initialization for MinGW (http://www.mingw.org/)

+

+There normally shouldn't be any need to import this module directly.

+It will usually be imported through the generic SCons.Tool.Tool()

+selection method.

+

+See also http://www.scons.org/wiki/CrossCompilingMingw

+"""

+

+#

+# Copyright (c) 2001, 2002, 2003, 2004 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.

+#

+

+import os

+import os.path

+import string

+

+import SCons.Action

+import SCons.Builder

+import SCons.Tool

+import SCons.Util

+

+# This is what we search for to find mingw:

+prefixes32 = SCons.Util.Split("""

+    mingw32-

+    mingw32msvc-

+    i386-mingw32-

+    i486-mingw32-

+    i586-mingw32-

+    i686-mingw32-

+    i386-mingw32msvc-

+    i486-mingw32msvc-

+    i586-mingw32msvc-

+    i686-mingw32msvc-

+    i686-pc-mingw32-

+    i686-w64-mingw32-

+""")

+prefixes64 = SCons.Util.Split("""

+    amd64-mingw32-

+    amd64-mingw32msvc-

+    amd64-pc-mingw32-

+    x86_64-w64-mingw32-

+""")

+

+def find(env):

+    if env['machine'] == 'x86_64':

+        prefixes = prefixes64

+    else:

+        prefixes = prefixes32

+    for prefix in prefixes:

+        # First search in the SCons path and then the OS path:

+        if env.WhereIs(prefix + 'gcc') or SCons.Util.WhereIs(prefix + 'gcc'):

+            return prefix

+

+    return ''

+

+def shlib_generator(target, source, env, for_signature):

+    cmd = SCons.Util.CLVar(['$SHLINK', '$SHLINKFLAGS']) 

+

+    dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')

+    if dll: cmd.extend(['-o', dll])

+

+    cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])

+

+    implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')

+    if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))

+

+    def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')

+    if def_target: cmd.append('-Wl,--output-def,'+def_target.get_string(for_signature))

+

+    return [cmd]

+

+def shlib_emitter(target, source, env):

+    dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')

+    no_import_lib = env.get('no_import_lib', 0)

+

+    if not dll:

+        raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$SHLIBSUFFIX")

+    

+    if not no_import_lib and \

+       not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):

+

+        # Append an import library to the list of targets.

+        target.append(env.ReplaceIxes(dll,  

+                                      'SHLIBPREFIX', 'SHLIBSUFFIX',

+                                      'LIBPREFIX', 'LIBSUFFIX'))

+

+    # Append a def file target if there isn't already a def file target

+    # or a def file source. There is no option to disable def file

+    # target emitting, because I can't figure out why someone would ever

+    # want to turn it off.

+    def_source = env.FindIxes(source, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')

+    def_target = env.FindIxes(target, 'WIN32DEFPREFIX', 'WIN32DEFSUFFIX')

+    if not def_source and not def_target:

+        target.append(env.ReplaceIxes(dll,  

+                                      'SHLIBPREFIX', 'SHLIBSUFFIX',

+                                      'WIN32DEFPREFIX', 'WIN32DEFSUFFIX'))

+    

+    return (target, source)

+                         

+

+shlib_action = SCons.Action.Action(shlib_generator, '$SHLINKCOMSTR', generator=1)

+

+res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')

+

+res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',

+                                    source_scanner=SCons.Tool.SourceFileScanner)

+SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)

+

+def generate(env):

+    mingw_prefix = find(env)

+

+    if mingw_prefix:

+        dir = os.path.dirname(env.WhereIs(mingw_prefix + 'gcc') or SCons.Util.WhereIs(mingw_prefix + 'gcc'))

+

+        # The mingw bin directory must be added to the path:

+        path = env['ENV'].get('PATH', [])

+        if not path: 

+            path = []

+        if SCons.Util.is_String(path):

+            path = string.split(path, os.pathsep)

+

+        env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)

+

+    # Most of mingw is the same as gcc and friends...

+    gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas']

+    for tool in gnu_tools:

+        SCons.Tool.Tool(tool)(env)

+

+    #... but a few things differ:

+    env['CC'] = mingw_prefix + 'gcc'

+    env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')

+    env['CXX'] = mingw_prefix + 'g++'

+    env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')

+    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')

+    env['SHLINKCOM']   = shlib_action

+    env.Append(SHLIBEMITTER = [shlib_emitter])

+    env['LINK'] = mingw_prefix + 'g++'

+    env['AR'] = mingw_prefix + 'ar'

+    env['RANLIB'] = mingw_prefix + 'ranlib'

+    env['LINK'] = mingw_prefix + 'g++'

+    env['AS'] = mingw_prefix + 'as'

+    env['WIN32DEFPREFIX']        = ''

+    env['WIN32DEFSUFFIX']        = '.def'

+    env['SHOBJSUFFIX'] = '.o'

+    env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1

+

+    env['RC'] = mingw_prefix + 'windres'

+    env['RCFLAGS'] = SCons.Util.CLVar('')

+    env['RCCOM'] = '$RC $_CPPDEFFLAGS $_CPPINCFLAGS ${INCPREFIX}${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'

+    env['BUILDERS']['RES'] = res_builder

+    

+    # Some setting from the platform also have to be overridden:

+    env['OBJPREFIX']      = ''

+    env['OBJSUFFIX']      = '.o'

+    env['SHOBJPREFIX']    = '$OBJPREFIX'

+    env['SHOBJSUFFIX']    = '$OBJSUFFIX'

+    env['PROGPREFIX']     = ''

+    env['PROGSUFFIX']     = '.exe'

+    env['LIBPREFIX']      = 'lib'

+    env['LIBSUFFIX']      = '.a'

+    env['SHLIBPREFIX']    = ''

+    env['SHLIBSUFFIX']    = '.dll'

+    env['LIBPREFIXES']    = [ 'lib', '' ]

+    env['LIBSUFFIXES']    = [ '.a', '.lib' ]

+

+    # MinGW port of gdb does not handle well dwarf debug info which is the

+    # default in recent gcc versions

+    env.AppendUnique(CCFLAGS = ['-gstabs'])

+

+    env.AppendUnique(CPPDEFINES = [('__MSVCRT_VERSION__', '0x0700')])

+    #env.AppendUnique(LIBS = ['iberty'])

+    env.AppendUnique(SHLINKFLAGS = ['-Wl,--enable-stdcall-fixup'])

+    #env.AppendUnique(SHLINKFLAGS = ['-Wl,--kill-at'])

+

+def exists(env):

+    return find(env)