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waf/waflib/Tools/gcc.py
2011-09-10 11:13:51 +02:00

154 lines
4.2 KiB
Python

#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006-2010 (ita)
# Ralf Habacker, 2006 (rh)
# Yinon Ehrlich, 2009
"""
gcc/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_gcc(conf):
"""
Find the program gcc, and if present, try to detect its version number
"""
cc = conf.find_program(['gcc', 'cc'], var='CC')
cc = conf.cmd_to_list(cc)
conf.get_cc_version(cc, gcc=True)
conf.env.CC_NAME = 'gcc'
conf.env.CC = cc
@conf
def gcc_common_flags(conf):
"""
Common flags for gcc on nearly all platforms
"""
v = conf.env
v['CC_SRC_F'] = []
v['CC_TGT_F'] = ['-c', '-o']
# linker
if not v['LINK_CC']: v['LINK_CC'] = v['CC']
v['CCLNK_SRC_F'] = []
v['CCLNK_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['cprogram_PATTERN'] = '%s'
# shared librar
v['CFLAGS_cshlib'] = ['-fPIC']
v['LINKFLAGS_cshlib'] = ['-shared']
v['cshlib_PATTERN'] = 'lib%s.so'
# static lib
v['LINKFLAGS_cstlib'] = ['-Wl,-Bstatic']
v['cstlib_PATTERN'] = 'lib%s.a'
# osx stuff
v['LINKFLAGS_MACBUNDLE'] = ['-bundle', '-undefined', 'dynamic_lookup']
v['CFLAGS_MACBUNDLE'] = ['-fPIC']
v['macbundle_PATTERN'] = '%s.bundle'
@conf
def gcc_modifier_win32(conf):
"""Configuration flags for executing gcc on Windows"""
v = conf.env
v['cprogram_PATTERN'] = '%s.exe'
v['cshlib_PATTERN'] = '%s.dll'
v['implib_PATTERN'] = 'lib%s.dll.a'
v['IMPLIB_ST'] = '-Wl,--out-implib,%s'
v['CFLAGS_cshlib'] = []
v.append_value('CFLAGS_cshlib', ['-DDLL_EXPORT']) # TODO adding nonstandard defines like this DLL_EXPORT is not a good idea
# 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 gcc_modifier_cygwin(conf):
"""Configuration flags for executing gcc on Cygwin"""
gcc_modifier_win32(conf)
v = conf.env
v['cshlib_PATTERN'] = 'cyg%s.dll'
v.append_value('LINKFLAGS_cshlib', ['-Wl,--enable-auto-image-base'])
v['CFLAGS_cshlib'] = []
@conf
def gcc_modifier_darwin(conf):
"""Configuration flags for executing gcc on MacOS"""
v = conf.env
v['CFLAGS_cshlib'] = ['-fPIC', '-compatibility_version', '1', '-current_version', '1']
v['LINKFLAGS_cshlib'] = ['-dynamiclib']
v['cshlib_PATTERN'] = 'lib%s.dylib'
v['FRAMEWORKPATH_ST'] = '-F%s'
v['FRAMEWORK_ST'] = ['-framework']
v['ARCH_ST'] = ['-arch']
v['LINKFLAGS_cstlib'] = []
v['SHLIB_MARKER'] = []
v['STLIB_MARKER'] = []
v['SONAME_ST'] = []
@conf
def gcc_modifier_aix(conf):
"""Configuration flags for executing gcc on AIX"""
v = conf.env
v['LINKFLAGS_cprogram'] = ['-Wl,-brtl']
v['LINKFLAGS_cshlib'] = ['-shared','-Wl,-brtl,-bexpfull']
v['SHLIB_MARKER'] = []
@conf
def gcc_modifier_hpux(conf):
v = conf.env
v['SHLIB_MARKER'] = []
v['CFLAGS_cshlib'] = ['-fPIC','-DPIC']
v['cshlib_PATTERN'] = 'lib%s.sl'
@conf
def gcc_modifier_platform(conf):
"""Execute platform-specific functions based on *gcc_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.
gcc_modifier_func = getattr(conf, 'gcc_modifier_' + conf.env.DEST_OS, None)
if gcc_modifier_func:
gcc_modifier_func()
def configure(conf):
"""
Configuration for gcc
"""
conf.find_gcc()
conf.find_ar()
conf.gcc_common_flags()
conf.gcc_modifier_platform()
conf.cc_load_tools()
conf.cc_add_flags()
conf.link_add_flags()