#!/usr/bin/env python # encoding: utf-8 # Thomas Nagy, 2006-2010 (ita) # Ralf Habacker, 2006 (rh) # Yinon Ehrlich, 2009 """ g++/llvm detection. """ import os, sys from waflib import Configure, Options, Utils from waflib.Tools import ccroot, ar from waflib.Configure import conf @conf def find_gxx(conf): """ Find the program g++, and if present, try to detect its version number """ cxx = conf.find_program(['g++', 'c++'], var='CXX') conf.get_cc_version(cxx, gcc=True) conf.env.CXX_NAME = 'gcc' conf.env.CXX = cxx @conf def gxx_common_flags(conf): """ Common flags for g++ on nearly all platforms """ v = conf.env v['CXX_SRC_F'] = [] v['CXX_TGT_F'] = ['-c', '-o'] # linker if not v['LINK_CXX']: v['LINK_CXX'] = v['CXX'] v['CXXLNK_SRC_F'] = [] v['CXXLNK_TGT_F'] = ['-o'] v['CPPPATH_ST'] = '-I%s' v['DEFINES_ST'] = '-D%s' v['LIB_ST'] = '-l%s' # template for adding libs v['LIBPATH_ST'] = '-L%s' # template for adding libpaths v['STLIB_ST'] = '-l%s' v['STLIBPATH_ST'] = '-L%s' v['RPATH_ST'] = '-Wl,-rpath,%s' v['SONAME_ST'] = '-Wl,-h,%s' v['SHLIB_MARKER'] = '-Wl,-Bdynamic' v['STLIB_MARKER'] = '-Wl,-Bstatic' # program v['cxxprogram_PATTERN'] = '%s' # shared library v['CXXFLAGS_cxxshlib'] = ['-fPIC'] v['LINKFLAGS_cxxshlib'] = ['-shared'] v['cxxshlib_PATTERN'] = 'lib%s.so' # static lib v['LINKFLAGS_cxxstlib'] = ['-Wl,-Bstatic'] v['cxxstlib_PATTERN'] = 'lib%s.a' # osx stuff v['LINKFLAGS_MACBUNDLE'] = ['-bundle', '-undefined', 'dynamic_lookup'] v['CXXFLAGS_MACBUNDLE'] = ['-fPIC'] v['macbundle_PATTERN'] = '%s.bundle' @conf def gxx_modifier_win32(conf): """Configuration flags for executing gcc on Windows""" v = conf.env v['cxxprogram_PATTERN'] = '%s.exe' v['cxxshlib_PATTERN'] = '%s.dll' v['implib_PATTERN'] = 'lib%s.dll.a' v['IMPLIB_ST'] = '-Wl,--out-implib,%s' v['CXXFLAGS_cxxshlib'] = [] # Auto-import is enabled by default even without this option, # but enabling it explicitly has the nice effect of suppressing the rather boring, debug-level messages # that the linker emits otherwise. v.append_value('LINKFLAGS', ['-Wl,--enable-auto-import']) @conf def gxx_modifier_cygwin(conf): """Configuration flags for executing g++ on Cygwin""" gxx_modifier_win32(conf) v = conf.env v['cxxshlib_PATTERN'] = 'cyg%s.dll' v.append_value('LINKFLAGS_cxxshlib', ['-Wl,--enable-auto-image-base']) v['CXXFLAGS_cxxshlib'] = [] @conf def gxx_modifier_darwin(conf): """Configuration flags for executing g++ on MacOS""" v = conf.env v['CXXFLAGS_cxxshlib'] = ['-fPIC'] v['LINKFLAGS_cxxshlib'] = ['-dynamiclib', '-Wl,-compatibility_version,1', '-Wl,-current_version,1'] v['cxxshlib_PATTERN'] = 'lib%s.dylib' v['FRAMEWORKPATH_ST'] = '-F%s' v['FRAMEWORK_ST'] = ['-framework'] v['ARCH_ST'] = ['-arch'] v['LINKFLAGS_cxxstlib'] = [] v['SHLIB_MARKER'] = [] v['STLIB_MARKER'] = [] v['SONAME_ST'] = [] @conf def gxx_modifier_aix(conf): """Configuration flags for executing g++ on AIX""" v = conf.env v['LINKFLAGS_cxxprogram']= ['-Wl,-brtl'] v['LINKFLAGS_cxxshlib'] = ['-shared', '-Wl,-brtl,-bexpfull'] v['SHLIB_MARKER'] = [] @conf def gxx_modifier_hpux(conf): v = conf.env v['SHLIB_MARKER'] = [] v['STLIB_MARKER'] = '-Bstatic' v['CFLAGS_cxxshlib'] = ['-fPIC','-DPIC'] v['cxxshlib_PATTERN'] = 'lib%s.sl' @conf def gxx_modifier_platform(conf): """Execute platform-specific functions based on *gxx_modifier_+NAME*""" # * set configurations specific for a platform. # * the destination platform is detected automatically by looking at the macros the compiler predefines, # and if it's not recognised, it fallbacks to sys.platform. gxx_modifier_func = getattr(conf, 'gxx_modifier_' + conf.env.DEST_OS, None) if gxx_modifier_func: gxx_modifier_func() def configure(conf): """ Configuration for g++ """ conf.find_gxx() conf.find_ar() conf.gxx_common_flags() conf.gxx_modifier_platform() conf.cxx_load_tools() conf.cxx_add_flags() conf.link_add_flags()