gcc.cf

linux下的一款播放器

# 
# ***** BEGIN LICENSE BLOCK *****
# Source last modified: $Id: gcc.cf,v 1.11 2004/07/07 22:00:05 hubbe Exp $
# 
# Portions Copyright (c) 1995-2004 RealNetworks, Inc. All Rights Reserved.
# 
# The contents of this file, and the files included with this file,
# are subject to the current version of the RealNetworks Public
# Source License (the "RPSL") available at
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# the file under the current version of the RealNetworks Community
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# This file is part of the Helix DNA Technology. RealNetworks is the
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# ***** END LICENSE BLOCK *****
# 
"""Common setting for the all gcc compilers.  Other .cf files inherit
from these settings."""

## Set up the C compiler
platform.cc = cc = Compiler()
cc.cmd = 'gcc'
cc.args['default'] = '-pipe'
cc.args['debug'] = '-O0 -g -DDEBUG -D_DEBUG'
cc.args['release'] = '-O2'

if not project.BuildOption("nopic"):
    cc.args['dll'] = '-fPIC -DPIC'
    cc.args['lib'] = '-fPIC -DPIC'
cc.args['profile'] = '-pg'
cc.define_arg = '-D'
cc.include_arg = '-I'
cc.prefix_include_arg = '-include '
cc.source_arg = '-c'
cc.target_arg = '-o'
cc.make_var = 'CC'
cc.make_flags = 'CCFLAGS'

## Set up the C++ Compiler
platform.cxx = cxx = Compiler()
cxx.cmd = 'g++'
cxx.args['default'] = '-pipe'
cxx.args['debug'] = '-O0 -g -DDEBUG -D_DEBUG'
cxx.args['release'] = '-O2'

if project.BuildOption("symbols"):
    cc.args['release'] = cc.args['release'] + ' -g '
    cxx.args['release'] = cxx.args['release'] + ' -g '

if not project.BuildOption("nopic"):
    cxx.args['dll'] = '-fPIC -DPIC'
    cxx.args['lib'] = '-fPIC -DPIC'

cxx.args['profile'] = '-pg'
cxx.define_arg = '-D'
cxx.include_arg = '-I'
cxx.prefix_include_arg = '-include '
cxx.source_arg = '-c'
cxx.target_arg = '-o'
cxx.make_var = 'CXX'
cxx.make_flags = 'CXXFLAGS'

## Set up the Linker
class GCCLinker(Linker):
    def __init__(self):
        Linker.__init__(self)
        self.make_var = 'LD'
        self.make_flags = 'LDFLAGS'
        self.args['default'] = '-pipe'
        self.args['profile'] = '-pg'
        self.args['static'] = '-static'
        self.target_arg = '-o'
        self.ldcmd = 'gcc'
        self.ldargs = ''

    def crti_path(self):
        return '`%s -print-file-name=crti.o`' % (platform.cxx.cmd)

    def crtn_path(self):
        return '`%s -print-file-name=crtn.o`' % (platform.cxx.cmd)

    def crtbegin_path(self):
        return '`%s -print-file-name=crtbegin.o`' % (platform.cxx.cmd)

    def crtend_path(self):
        return '`%s -print-file-name=crtend.o`' % (platform.cxx.cmd)

    def crtbeginS_path(self):
        return '`%s -print-file-name=crtbeginS.o`' % (platform.cxx.cmd)

    def crtendS_path(self):
        return '`%s -print-file-name=crtendS.o`' % (platform.cxx.cmd)

    def crt1_path(self):
        return '`%s -print-file-name=crt1.o`' % (platform.cxx.cmd)

    def libgcc_path(self):
        return '`%s -print-file-name=libgcc.a`' % (platform.cxx.cmd)

    def link_paths(self):
        return string.join(platform.system_paths) +\
               string.join(project.system_paths)

    def execute(self, target, objects, static_libs, dynamic_libs):
        link_str = form_string(platform.form_var(self.make_var),
                               platform.form_var(self.make_flags),
                               self.target_arg,
                               target,
                               objects,
                               self.link_paths(),
                               dynamic_libs,
                               static_libs)

        if project.target_type == 'dll':

            if project.exported_func:
                tmp=string.join(project.exported_func," -u ")
                link_str="%s -u %s -lgcc" % (link_str, tmp)

        return link_str

    def set_type(self):
        self.cmd = self.ldcmd

        if (project.target_type == 'dll'):
            self.args['default'] = '-shared ' + self.ldargs
        else:
            self.args['default'] = self.ldargs


    def make_lib_static(self, lib):
        return "-Wl,-Bstatic "+lib+" -Wl,Bdynamic"

platform.link = GCCLinker()

def DisableRTTIIfNecessary() :
        global platform
        global project
        if project.build_choices.count('no_c++_runtime') :
                for option in ('-fno-rtti', '-fno-exceptions') :
                        platform.cxx.args['default'] = platform.cxx.args['default'] + " " + option
                        platform.cc.args['default'] = platform.cxx.args['default'] + " " + option

def HandleExports (target, funcs, ttype="dll") :
    if ttype != "dll" or project.build_choices.count("use_exports") == 0:
        return ""
    gcclinkscript = 'gcclink.' + os.path.basename(target)
    out = open (gcclinkscript, "w")
    out.write ("""
        VERSION
        {
           G2 {
                global: 
                        %s
                local: 
                        *;
           };
        }\n""" % string.join(map (lambda x: x + ";\n\t\t", project.exported_func)))
    out.close()
    return gcclinkscript


# Gemini uses IOStreams for their debugging.  In order that not everyone has to link with
# libstdc++ because of this, there exists the -t use_iostreams option which turns on support
# for iostreams for various client linuxes.  This will enable linking of libstdc++ and 
# provide the _HAS_IOSTREAMS macro (defined elsewhere).  pjg 2/22/2001
def HandleCPPRTInclusion (ttype="dll") :
    if project.build_choices.count("use_iostreams") :
        return "-lstdc++"
    else:
        return ""

def get_compiler_version(compiler):
    import shell
    import re
    str=shell.run(compiler.cmd + " -dumpversion")[1]
    return string.strip(str)


def identify_gcc_callback():
    import shell
    print "C Compiler: %s\n%s" % (cc.cmd, shell.run(cc.cmd + " -v")[1])
    print "C++ Compiler: %s\n%s" % (cxx.cmd, shell.run(cxx.cmd + " -v")[1])

AddIdentifyCallback(identify_gcc_callback)