A simple ruby script to convert vcproj to SConstruct

vcproj2SConstruct.rb

require 'pathname'
require 'rexml/document'
include REXML

BUILD_CONFIG = 'Debug' # to switch between different config;

vcproj_filename = ARGV.shift
vcproj_filename = Pathname.new(vcproj_filename).cleanpath
vcproj_libname = vcproj_filename.sub(/\.vcproj/, '')

vcprojDoc = REXML::Document.new File.new(vcproj_filename)
sourceFiles = []
REXML::XPath.each( vcprojDoc, "*/Files/Filter/descendant::File").each {|fileElement|
    bExcludedFromBuild = false
    if fileElement.elements["FileConfiguration[starts-with(@Name,'"+BUILD_CONFIG+"')][@ExcludedFromBuild='true']"]
        bExcludedFromBuild = true
    end
    if not bExcludedFromBuild then
        sourceFile = fileElement.attributes["RelativePath"]
        if not sourceFile.end_with? '.h' then
            sourceFiles.push sourceFile.gsub(/\\/,'/')
        end
    end
}

includePaths = []
REXML::XPath.each( vcprojDoc, "*/Configurations/Configuration[starts-with(@Name,'"+BUILD_CONFIG+"')]/Tool[@Name='VCCLCompilerTool']").each {|toolElement|
    strAdditionalIncludeDirectories = toolElement.attributes["AdditionalIncludeDirectories"]
    strAdditionalIncludeDirectories.gsub(/\"/,"").split(";").each{ |includePath|
        includePaths.push includePath.gsub(/\\/,'/')
    }
}

preprocessorDefinitions = []
REXML::XPath.each( vcprojDoc, "*/Configurations/Configuration[starts-with(@Name,'"+BUILD_CONFIG+"')]/Tool[@Name='VCCLCompilerTool']").each {|toolElement|
    strPreprocessorDefinitions = toolElement.attributes["PreprocessorDefinitions"]
    strPreprocessorDefinitions.split(";").each{ |preprocessorDefinition|
        preprocessorDefinitions.push preprocessorDefinition
    }
}

puts "env = Environment(MSVC_VERSION = '9.0', CPPPATH = ['.'"
includePaths.each{|path| puts "    ,'#{path}'"}
puts "    ])"

puts "env.Append(CPPDEFINES=["
preprocessorDefinitions.each{|predef| puts "    '#{predef}',"}
puts "])"

puts """
import platform
if platform.system()=='Linux':
    env.Append(CCFLAGS=[
        '-fshort-wchar', '-O2', '-fPIC', '-Wall', 
        '-Wno-error=c++0x-compat', '-pipe', '-Wextra', '-Wreturn-type',
        '-fno-strict-aliasing', '-Wcast-align', '-Wchar-subscripts', '-Wformat-security', '-Wno-unused-parameter', 
        '-Wno-sign-compare', '-Wno-switch', '-Wno-switch-enum', '-Wundef', 
        '-Wmissing-noreturn', '-Winit-self', '-Werror', 
        '-ffunction-sections', '-fdata-sections', 
        # '-fvisibility=hidden', '-fvisibility-inlines-hidden', #Not enabled now;
    ]);
else:
    env.Append(CCFLAGS=[
        '/wd4396', '/wd4917', '/wd4619', '/wd4548', '/wd4530', '/wd4365', '/wd4217', '/wd4946', '/wd4928', '/wd4706', 
        '/wd4700', '/wd4512', '/wd4505', '/wd4350', '/wd4347', '/wd4127', '/wd4626', '/wd4625', '/wd4623', '/wd4610', 
        '/wd4510', '/wd4390', '/wd4389', '/wd4266', '/wd4264', '/wd4263', '/wd4242', '/wd4189', '/wd4101', '/wd4067', 
        '/wd4996', '/wd4806', '/wd4800', '/wd4702', '/wd4701', '/wd4565', '/wd4355', '/wd4344', '/wd4309', '/wd4291', 
        '/wd4273', '/wd4244', '/wd4146', '/wd4099', '/wd4065', '/wd4018', '/wd4692', '/wd4826', '/wd4819', '/wd4820', 
        '/wd4738', '/wd4711', '/wd4710', '/wd4668', '/wd4640', '/wd4514', '/wd4324', '/wd4100', '/wd4062', '/wd4061'
    ]);

"""

puts "env.StaticLibrary(target='#{vcproj_libname}', source=[ #Note: Change to SharedLibrary here if is EAWebKit, or Program if is demo app;"
sourceFiles.each{|path| puts "    '#{path}',"}
puts "], LIBS = ["
puts "], LIBPATH = ["
puts "])"

# support Configuration select now;