Source code for waflib.Tools.gcc

#!/usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2006-2018 (ita)
# Ralf Habacker, 2006 (rh)
# Yinon Ehrlich, 2009

"""
gcc/llvm detection.
"""

from waflib.Tools import ccroot, ar
from waflib.Configure import conf

[docs]@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') conf.get_cc_version(cc, gcc=True) conf.env.CC_NAME = 'gcc'
[docs]@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'] 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' v.cprogram_PATTERN = '%s' v.CFLAGS_cshlib = ['-fPIC'] v.LINKFLAGS_cshlib = ['-shared'] v.cshlib_PATTERN = 'lib%s.so' v.LINKFLAGS_cstlib = ['-Wl,-Bstatic'] v.cstlib_PATTERN = 'lib%s.a' v.LINKFLAGS_MACBUNDLE = ['-bundle', '-undefined', 'dynamic_lookup'] v.CFLAGS_MACBUNDLE = ['-fPIC'] v.macbundle_PATTERN = '%s.bundle'
[docs]@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 = '%s.dll.a' v.IMPLIB_ST = '-Wl,--out-implib,%s' v.CFLAGS_cshlib = [] # 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'])
[docs]@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 = []
[docs]@conf def gcc_modifier_darwin(conf): """Configuration flags for executing gcc on MacOS""" v = conf.env v.CFLAGS_cshlib = ['-fPIC'] 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 = []
[docs]@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 = []
[docs]@conf def gcc_modifier_hpux(conf): v = conf.env v.SHLIB_MARKER = [] v.STLIB_MARKER = [] v.CFLAGS_cshlib = ['-fPIC','-DPIC'] v.cshlib_PATTERN = 'lib%s.sl'
[docs]@conf def gcc_modifier_openbsd(conf): conf.env.SONAME_ST = []
[docs]@conf def gcc_modifier_osf1V(conf): v = conf.env v.SHLIB_MARKER = [] v.STLIB_MARKER = [] v.SONAME_ST = []
[docs]@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()
[docs]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() conf.check_gcc_o_space()