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-rw-r--r--Tools/gcc.py156
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-#!/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
-
-@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'
-
-@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'
-
-@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'])
-
-@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']
- 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.STLIB_MARKER = []
- v.CFLAGS_cshlib = ['-fPIC','-DPIC']
- v.cshlib_PATTERN = 'lib%s.sl'
-
-@conf
-def gcc_modifier_openbsd(conf):
- conf.env.SONAME_ST = []
-
-@conf
-def gcc_modifier_osf1V(conf):
- v = conf.env
- v.SHLIB_MARKER = []
- v.STLIB_MARKER = []
- v.SONAME_ST = []
-
-@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()
- conf.check_gcc_o_space()
-