Add MinGW support. (Anthony Roach)

1 files changed, 131 insertions, 0 deletions

diff --git a/src/engine/SCons/Tool/mingw.py b/src/engine/SCons/Tool/mingw.py
new file mode 100644
index 0000000..7221cd6
--- /dev/null
+++ b/src/engine/SCons/Tool/mingw.py
@@ -0,0 +1,131 @@
+"""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.
+
+"""
+
+#
+# Copyright (c) 2001, 2002 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 os.path
+import os
+import SCons.Tool
+import SCons.Util
+import string
+
+# This is what we search for to find mingw:
+key_program = 'mingw32-gcc'
+
+def find(env):
+    # First search in the SCons path and then the OS path:
+    return env.WhereIs(key_program) or SCons.Util.WhereIs(key_program)
+
+def shlib_generator(target, source, env, for_signature):
+    cmd = ['$SHLINK', '$SHLINKFLAGS'] 
+
+    dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+    if dll: cmd.extend(['-o', dll])
+
+    cmd.extend(['$SOURCES', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
+
+    implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
+    if implib: cmd.append('-Wl,--out-implib,'+str(implib))
+
+    return [cmd]
+
+def shlib_emitter(target, source, env):
+    dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
+    no_import_lib = env.get('no_import_lib', 0)
+
+    if not dll:
+        raise SCons.Errors.UserError, "A shared library should have exactly one target with the suffix: %s" % env.subst("$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'))
+    
+    return (target, source)
+                         
+
+shlib_action = SCons.Action.CommandGenerator(shlib_generator)
+
+res_builder = SCons.Builder.Builder(action='$RCCOM', suffix='.o')
+
+def generate(env, platform):
+    
+    mingw = find(env)
+    if mingw:
+        dir = os.path.dirname(mingw)
+
+        # The mingw bin directory must be added to the path:
+        path = env['ENV'].get('PATH', [])
+        if not path: 
+            path = []
+        if SCons.Util.is_String(path):
+            path = string.split(path, os.pathsep)
+
+        env['ENV']['PATH'] = string.join([dir] + path, os.pathsep)
+        
+
+    # Most of mingw is the same as gcc and friends...
+    gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas']
+    for tool in gnu_tools:
+        SCons.Tool.Tool(tool, platform)(env,platform)
+
+    #... but a few things differ:
+    env['CC'] = 'gcc'
+    env['SHCCFLAGS'] = '$CCFLAGS'
+    env['CXX'] = 'g++'
+    env['SHCXXFLAGS'] = '$CXXFLAGS'
+    env['SHLINKFLAGS'] = '$LINKFLAGS -shared'
+    env['SHLINKCOM']   = shlib_action
+    env['SHLIBEMITTER']= shlib_emitter
+    env['LINK'] = 'g++'
+    env['AS'] = 'as'
+
+    env['RC'] = 'windres'
+    env['RCFLAGS'] = ''
+    env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, locals(), globals(), RDirs)} $)'
+    env['RCINCPREFIX'] = '--include-dir '
+    env['RCINCSUFFIX'] = ''
+    env['RCCOM'] = '$RC $RCINCFLAGS $RCFLAGS -i $SOURCE -o $TARGET'
+    env.CScan.add_skey('.rc')
+    env['BUILDERS']['RES'] = res_builder
+    
+    # Some setting from the platform also have to be overridden:
+    env['OBJSUFFIX'] = '.o'
+    env['LIBPREFIX'] = 'lib'
+    env['LIBSUFFIX'] = '.a'
+
+def exists(env):
+    return find(env)