+def set_compiler_flags (conf,opt):
+ #
+ # Compiler flags and other system-dependent stuff
+ #
+
+ build_host_supports_sse = False
+ optimization_flags = []
+ debug_flags = []
+
+ # guess at the platform, used to define compiler flags
+
+ config_guess = os.popen("tools/config.guess").read()[:-1]
+
+ config_cpu = 0
+ config_arch = 1
+ config_kernel = 2
+ config_os = 3
+ config = config_guess.split ("-")
+
+ autowaf.display_msg(conf, "System Triple", config_guess)
+
+ if opt.gprofile:
+ debug_flags = [ '-pg' ]
+ else:
+ if config[config_arch] != 'apple':
+ debug_flags = [ '-rdynamic' ] # waf adds -O0 -g itself. thanks waf!
+
+ # Autodetect
+ if opt.dist_target == 'auto':
+ if config[config_arch] == 'apple':
+ # The [.] matches to the dot after the major version, "." would match any character
+ if re.search ("darwin[0-7][.]", config[config_kernel]) != None:
+ conf.define ('build_target', 'panther')
+ elif re.search ("darwin8[.]", config[config_kernel]) != None:
+ conf.define ('build_target', 'tiger')
+ else:
+ conf.define ('build_target', 'leopard')
+ else:
+ if re.search ("x86_64", config[config_cpu]) != None:
+ conf.define ('build_target', 'x86_64')
+ elif re.search("i[0-5]86", config[config_cpu]) != None:
+ conf.define ('build_target', 'i386')
+ elif re.search("powerpc", config[config_cpu]) != None:
+ conf.define ('build_target', 'powerpc')
+ else:
+ conf.define ('build_target', 'i686')
+ else:
+ conf.define ('build_target', opt.dist_target)
+
+ if config[config_cpu] == 'powerpc' and conf.env['build_target'] != 'none':
+ #
+ # Apple/PowerPC optimization options
+ #
+ # -mcpu=7450 does not reliably work with gcc 3.*
+ #
+ if opt.dist_target == 'panther' or opt.dist_target == 'tiger':
+ if config[config_arch] == 'apple':
+ # optimization_flags.extend ([ "-mcpu=7450", "-faltivec"])
+ # to support g3s but still have some optimization for above
+ optimization_flags.extend ([ "-mcpu=G3", "-mtune=7450"])
+ else:
+ optimization_flags.extend ([ "-mcpu=7400", "-maltivec", "-mabi=altivec"])
+ else:
+ optimization_flags.extend([ "-mcpu=750", "-mmultiple" ])
+ optimization_flags.extend (["-mhard-float", "-mpowerpc-gfxopt"])
+ optimization_flags.extend (["-Os"])
+
+ elif ((re.search ("i[0-9]86", config[config_cpu]) != None) or (re.search ("x86_64", config[config_cpu]) != None)) and conf.env['build_target'] != 'none':
+
+
+ #
+ # ARCH_X86 means anything in the x86 family from i386 to x86_64
+ # USE_X86_64_ASM is used to distingush 32 and 64 bit assembler
+ #
+
+ if (re.search ("(i[0-9]86|x86_64)", config[config_cpu]) != None):
+ debug_flags.append ("-DARCH_X86")
+ optimization_flags.append ("-DARCH_X86")
+
+ if config[config_kernel] == 'linux' :
+
+ #
+ # determine processor flags via /proc/cpuinfo
+ #
+
+ if conf.env['build_target'] != 'i386':
+
+ flag_line = os.popen ("cat /proc/cpuinfo | grep '^flags'").read()[:-1]
+ x86_flags = flag_line.split (": ")[1:][0].split ()
+
+ if "mmx" in x86_flags:
+ optimization_flags.append ("-mmmx")
+ if "sse" in x86_flags:
+ build_host_supports_sse = True
+ if "3dnow" in x86_flags:
+ optimization_flags.append ("-m3dnow")
+
+ if config[config_cpu] == "i586":
+ optimization_flags.append ("-march=i586")
+ elif config[config_cpu] == "i686":
+ optimization_flags.append ("-march=i686")
+
+ if ((conf.env['build_target'] == 'i686') or (conf.env['build_target'] == 'x86_64')) and build_host_supports_sse:
+ optimization_flags.extend (["-msse", "-mfpmath=sse", "-DUSE_XMMINTRIN"])
+ debug_flags.extend (["-msse", "-mfpmath=sse", "-DUSE_XMMINTRIN"])
+
+ # end of processor-specific section
+
+ # optimization section
+ if conf.env['FPU_OPTIMIZATION']:
+ if conf.env['build_target'] == 'tiger' or conf.env['build_target'] == 'leopard':
+ optimization_flags.append ("-DBUILD_VECLIB_OPTIMIZATIONS");
+ debug_flags.append ("-DBUILD_VECLIB_OPTIMIZATIONS");
+ conf.env.append_value('LINKFLAGS', "-framework Accelerate")
+ elif conf.env['build_target'] == 'i686' or conf.env['build_target'] == 'x86_64':
+ optimization_flags.append ("-DBUILD_SSE_OPTIMIZATIONS")
+ debug_flags.append ("-DBUILD_SSE_OPTIMIZATIONS")
+ elif conf.env['build_target'] == 'x86_64':
+ optimization_flags.append ("-DUSE_X86_64_ASM")
+ debug_flags.append ("-DUSE_X86_64_ASM")
+ if not build_host_supports_sse:
+ print("\nWarning: you are building Ardour with SSE support even though your system does not support these instructions. (This may not be an error, especially if you are a package maintainer)")
+
+ # check this even if we aren't using FPU optimization
+ if not conf.env['HAVE_POSIX_MEMALIGN']:
+ optimization_flags.append("-DNO_POSIX_MEMALIGN")
+
+ # end optimization section
+
+ #
+ # no VST on x86_64
+ #
+
+ if conf.env['build_target'] == 'x86_64' and opt.vst:
+ print("\n\n==================================================")
+ print("You cannot use VST plugins with a 64 bit host. Please run waf with --vst=0")
+ print("\nIt is theoretically possible to build a 32 bit host on a 64 bit system.")
+ print("However, this is tricky and not recommended for beginners.")
+ sys.exit (-1)
+
+ #
+ # a single way to test if we're on OS X
+ #
+
+ if conf.env['build_target'] in ['panther', 'tiger', 'leopard' ]:
+ conf.define ('IS_OSX', 1)
+ # force tiger or later, to avoid issues on PPC which defaults
+ # back to 10.1 if we don't tell it otherwise.
+ conf.env.append_value('CCFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1040")
+
+ else:
+ conf.define ('IS_OSX', 0)
+
+ #
+ # save off guessed arch element in an env
+ #
+ conf.define ('CONFIG_ARCH', config[config_arch])
+
+ #
+ # ARCH="..." overrides all
+ #
+
+ if opt.arch != None:
+ optimization_flags = opt.arch.split()
+
+ #
+ # prepend boiler plate optimization flags that work on all architectures
+ #
+
+ optimization_flags[:0] = [
+ "-O3",
+ "-fomit-frame-pointer",
+ "-ffast-math",
+ "-fstrength-reduce",
+ "-pipe"
+ ]
+
+ if opt.debug:
+ conf.env.append_value('CCFLAGS', debug_flags)
+ conf.env.append_value('CXXFLAGS', debug_flags)
+ conf.env.append_value('LINKFLAGS', debug_flags)
+ else:
+ conf.env.append_value('CCFLAGS', optimization_flags)
+ conf.env.append_value('CXXFLAGS', optimization_flags)
+ conf.env.append_value('LINKFLAGS', optimization_flags)
+
+ if opt.stl_debug:
+ conf.env.append_value('CXXFLAGS', "-D_GLIBCXX_DEBUG")
+
+ if conf.env['DEBUG_RT_ALLOC']:
+ conf.env.append_value('CCFLAGS', '-DDEBUG_RT_ALLOC')
+ conf.env.append_value('CXXFLAGS', '-DDEBUG_RT_ALLOC')
+ conf.env.append_value('LINKFLAGS', '-ldl')
+
+ if opt.universal:
+ conf.env.append_value('CCFLAGS', "-arch i386 -arch ppc")
+ conf.env.append_value('CXXFLAGS', "-arch i386 -arch ppc")
+ conf.env.append_value('LINKFLAGS', "-arch i386 -arch ppc")
+
+ #
+ # warnings flags
+ #
+
+ conf.env.append_value('CCFLAGS', "-Wall")
+ conf.env.append_value('CXXFLAGS', [ '-Wall', '-Woverloaded-virtual'])
+
+ if opt.extra_warn:
+ flags = [ '-Wextra' ]
+ conf.env.append_value('CCFLAGS', flags )
+ conf.env.append_value('CXXFLAGS', flags )
+
+
+ #
+ # more boilerplate
+ #
+
+ conf.env.append_value('CCFLAGS', '-D_LARGEFILE64_SOURCE')
+ conf.env.append_value('CCFLAGS', '-D_FILE_OFFSET_BITS=64')
+ conf.env.append_value('CXXFLAGS', '-D_LARGEFILE64_SOURCE')
+ conf.env.append_value('CXXFLAGS', '-D_FILE_OFFSET_BITS=64')
+
+ conf.env.append_value('CXXFLAGS', '-D__STDC_LIMIT_MACROS')
+ conf.env.append_value('CXXFLAGS', '-D__STDC_FORMAT_MACROS')
+
+ if opt.nls:
+ conf.env.append_value('CXXFLAGS', '-DENABLE_NLS')
+ conf.env.append_value('CCFLAGS', '-DENABLE_NLS')
+
+#----------------------------------------------------------------