Remove SCons building system

While SCons building system was serving us really good for ages it's no longer
having much attention by the developers and started to become quite a difficult
task to maintain.

What's even worse -- there started to be quite serious divergence between SCons
and CMake which was only accumulating over the releases now. The fact that none
of the active developers are really using SCons and that our main studio is also
using CMake spotting bugs in the SCons builds became quite a difficult task and
we aren't always spotting them in time.

Meanwhile CMake became really mature building system which is available on every
platform we support and arguably it's also easier and more robust to use.

This commit includes:

- Removal of actual SCons building system
- Removal of SCons git submodule
- Removal of documentation which is stored in the sources and covers SCons
- Tweaks to the buildbot master to stop using SCons submodule
  (this change requires deploying to the server)
- Tweaks to the install dependencies script to skip installing or mentioning
  SCons building system
- Tweaks to various helper scripts to avoid mention of SCons folders/files
  as well

Reviewers: mont29, dingto, dfelinto, lukastoenne, lukasstockner97, brecht, Severin, merwin, aligorith, psy-fi, campbellbarton, juicyfruit

Reviewed By: campbellbarton, juicyfruit

Differential Revision: https://developer.blender.org/D1680

1 files changed, 0 insertions, 184 deletions

diff --git a/build_files/scons/tools/crossmingw.py b/build_files/scons/tools/crossmingw.py
deleted file mode 100644
index f97fdf3c15e..00000000000
--- a/build_files/scons/tools/crossmingw.py
+++ /dev/null
@@ -1,184 +0,0 @@
-"""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, 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/Tool/mingw.py 4043 2009/02/23 09:06:45 scons"
-
-import os
-import os.path
-import string
-
-import SCons.Action
-import SCons.Builder
-import SCons.Defaults
-import SCons.Tool
-import SCons.Util
-
-# This is what we search for to find mingw:
-prefixes = SCons.Util.Split("""
-    mingw32-
-    i386-mingw32msvc-
-    i486-mingw32msvc-
-    i586-mingw32msvc-
-    i686-mingw32msvc-
-    i686-pc-mingw32-
-""")
-
-def find(env):
-    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(['$SHLINK']) 
-
-    dll = env.FindIxes(target, 'SHLIBPREFIX', 'SHLIBSUFFIX')
-    if dll: cmd.extend(['-o', dll])
-
-    cmd.extend(['$SOURCES', '$SHLINKFLAGS', '$_LIBDIRFLAGS', '$_LIBFLAGS'])
-
-    implib = env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX')
-    if implib: cmd.append('-Wl,--out-implib,'+implib.get_string(for_signature))
-
-    def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
-    insert_def = env.subst("$WINDOWS_INSERT_DEF")
-    if not insert_def in ['', '0', 0] and 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("$SHLIBSUFFIX")
-
-    if not no_import_lib and \
-       not env.FindIxes(target, 'LIBPREFIX', 'LIBSUFFIX'):
-
-        # Append an import library to the list of targets.
-        target.append(env.ReplaceIxes(dll,  
-                                      'SHLIBPREFIX', 'SHLIBSUFFIX',
-                                      'LIBPREFIX', 'LIBSUFFIX'))
-
-    # Append a def file target if there isn't already a def file target
-    # or a def file source. There is no option to disable def file
-    # target emitting, because I can't figure out why someone would ever
-    # want to turn it off.
-    def_source = env.FindIxes(source, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
-    def_target = env.FindIxes(target, 'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX')
-    if not def_source and not def_target:
-        target.append(env.ReplaceIxes(dll,  
-                                      'SHLIBPREFIX', 'SHLIBSUFFIX',
-                                      'WINDOWSDEFPREFIX', 'WINDOWSDEFSUFFIX'))
-
-    return (target, source)
-
-
-shlib_action = SCons.Action.Action(shlib_generator, generator=1)
-
-res_action = SCons.Action.Action('$RCCOM', '$RCCOMSTR')
-
-res_builder = SCons.Builder.Builder(action=res_action, suffix='.o',
-                                    source_scanner=SCons.Tool.SourceFileScanner)
-SCons.Tool.SourceFileScanner.add_scanner('.rc', SCons.Defaults.CScan)
-
-def generate(env):
-    mingw = find(env)
-    if mingw:
-        dir = os.path.dirname(mingw)
-        env.PrependENVPath('PATH', dir )
-        
-
-    # Most of mingw is the same as gcc and friends...
-    gnu_tools = ['gcc', 'g++', 'gnulink', 'ar', 'gas', 'm4']
-    for tool in gnu_tools:
-        SCons.Tool.Tool(tool)(env)
-
-    #... but a few things differ:
-    env['CC'] = mingw + 'gcc'
-    env['SHCCFLAGS'] = SCons.Util.CLVar('$CCFLAGS')
-    env['CXX'] = mingw + 'g++'
-    env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
-    env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
-    env['SHLINKCOM']   = shlib_action
-    env['LDMODULECOM'] = shlib_action
-    env.Append(SHLIBEMITTER = [shlib_emitter])
-    env['RANLIB'] = mingw + 'ranlib'
-    env['LINK'] = mingw + 'gcc'
-    env['AS'] = mingw + 'as'
-    env['AR'] = mingw + 'ar'
-
-    env['WIN32DEFPREFIX']        = ''
-    env['WIN32DEFSUFFIX']        = '.def'
-    env['WINDOWSDEFPREFIX']      = '${WIN32DEFPREFIX}'
-    env['WINDOWSDEFSUFFIX']      = '${WIN32DEFSUFFIX}'
-
-    env['SHOBJSUFFIX'] = '.o'
-    env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 1
-
-    env['RC'] = mingw + 'windres'
-    env['RCFLAGS'] = SCons.Util.CLVar('')
-    env['RCINCFLAGS'] = '$( ${_concat(RCINCPREFIX, CPPPATH, RCINCSUFFIX, __env__, RDirs, TARGET, SOURCE)} $)'
-    env['RCINCPREFIX'] = '--include-dir '
-    env['RCINCSUFFIX'] = ''
-    env['RCCOM'] = '$RC $_CPPDEFFLAGS $RCINCFLAGS ${RCINCPREFIX} ${SOURCE.dir} $RCFLAGS -i $SOURCE -o $TARGET'
-    env['BUILDERS']['RES'] = res_builder
-
-    # Some setting from the platform also have to be overridden:
-    env['OBJPREFIX']      = ''
-    env['OBJSUFFIX']      = '.o'
-    env['LIBPREFIX']      = 'lib'
-    env['LIBSUFFIX']      = '.a'
-    env['SHOBJPREFIX']    = '$OBJPREFIX'
-    env['SHOBJSUFFIX']    = '$OBJSUFFIX'
-    env['PROGPREFIX']     = ''
-    env['PROGSUFFIX']     = '.exe'
-    env['LIBPREFIX']      = ''
-    env['LIBSUFFIX']      = '.lib'
-    env['SHLIBPREFIX']    = ''
-    env['SHLIBSUFFIX']    = '.dll'
-    env['LIBPREFIXES']    = [ '$LIBPREFIX' ]
-    env['LIBSUFFIXES']    = [ '$LIBSUFFIX' ]
-
-def exists(env):
-    return find(env)
-
-# Local Variables:
-# tab-width:4
-# indent-tabs-mode:nil
-# End:
-# vim: set expandtab tabstop=4 shiftwidth=4: