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don't overwrite necessary compiler flags 

Distinguish flags influencing optimization (overridable) from those
necessary for building (e.g. for using SSE).
This commit is contained in:
Nils Philippsen 2013-12-09 17:33:45 +01:00
parent b4cb506cea
commit cd7072fdec
1 changed files with 70 additions and 86 deletions
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@ -132,7 +132,17 @@ def set_compiler_flags (conf,opt):
#
build_host_supports_sse = False
# Flags necessary for building
compiler_flags = [] # generic
c_flags = [] # C-specific
cxx_flags = [] # C++-specific
linker_flags = []
# Optimization flags (overridable)
optimization_flags = []
# Debugging flags
debug_flags = []
u = os.uname ()
@ -145,10 +155,10 @@ def set_compiler_flags (conf,opt):
if conf.options.cxx11:
conf.check_cxx(cxxflags=["-std=c++11"])
conf.env.append_unique('CXXFLAGS', ['-std=c++11'])
cxx_flags.append('-std=c++11')
if platform == "darwin":
conf.env.append_unique('CXXFLAGS', ['-stdlib=libc++'])
conf.env.append_unique('LINKFLAGS', ['-lc++'])
cxx_flags.append('-stdlib=libc++')
link_flags.append('-lc++')
# Prevents visibility issues in standard headers
conf.define("_DARWIN_C_SOURCE", 1)
@ -156,7 +166,7 @@ def set_compiler_flags (conf,opt):
# Silence warnings about the non-existing osx clang compiler flags
# -compatibility_version and -current_version. These are Waf
# generated and not needed with clang
conf.env.append_unique ("CXXFLAGS", ["-Qunused-arguments"])
cxx_flags.append("-Qunused-arguments")
if opt.gprofile:
debug_flags = [ '-pg' ]
@ -199,8 +209,7 @@ def set_compiler_flags (conf,opt):
# stupid OS X 10.6 has a bug in math.h that prevents llrint and friends
# from being visible.
#
debug_flags.append ('-U__STRICT_ANSI__')
optimization_flags.append ('-U__STRICT_ANSI__')
compiler_flags.append ('-U__STRICT_ANSI__')
if cpu == 'powerpc' and conf.env['build_target'] != 'none':
#
@ -212,12 +221,12 @@ def set_compiler_flags (conf,opt):
if platform == 'darwin':
# optimization_flags.extend ([ "-mcpu=7450", "-faltivec"])
# to support g3s but still have some optimization for above
optimization_flags.extend ([ "-mcpu=G3", "-mtune=7450"])
compiler_flags.extend ([ "-mcpu=G3", "-mtune=7450"])
else:
optimization_flags.extend ([ "-mcpu=7400", "-maltivec", "-mabi=altivec"])
compiler_flags.extend ([ "-mcpu=7400", "-maltivec", "-mabi=altivec"])
else:
optimization_flags.extend([ "-mcpu=750", "-mmultiple" ])
optimization_flags.extend (["-mhard-float", "-mpowerpc-gfxopt"])
compiler_flags.extend([ "-mcpu=750", "-mmultiple" ])
compiler_flags.extend (["-mhard-float", "-mpowerpc-gfxopt"])
optimization_flags.extend (["-Os"])
elif ((re.search ("i[0-9]86", cpu) != None) or (re.search ("x86_64", cpu) != None)) and conf.env['build_target'] != 'none':
@ -230,8 +239,7 @@ def set_compiler_flags (conf,opt):
#
if (re.search ("(i[0-9]86|x86_64)", cpu) != None):
debug_flags.append ("-DARCH_X86")
optimization_flags.append ("-DARCH_X86")
compiler_flags.append ("-DARCH_X86")
if platform == 'linux' :
@ -245,32 +253,29 @@ def set_compiler_flags (conf,opt):
x86_flags = flag_line.split (": ")[1:][0].split ()
if "mmx" in x86_flags:
optimization_flags.append ("-mmmx")
compiler_flags.append ("-mmmx")
if "sse" in x86_flags:
build_host_supports_sse = True
if "3dnow" in x86_flags:
optimization_flags.append ("-m3dnow")
compiler_flags.append ("-m3dnow")
if cpu == "i586":
optimization_flags.append ("-march=i586")
compiler_flags.append ("-march=i586")
elif cpu == "i686":
optimization_flags.append ("-march=i686")
compiler_flags.append ("-march=i686")
if not is_clang and ((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"])
compiler_flags.extend (["-msse", "-mfpmath=sse", "-DUSE_XMMINTRIN"])
# end of processor-specific section
# optimization section
if conf.env['FPU_OPTIMIZATION']:
if sys.platform == 'darwin':
optimization_flags.append ("-DBUILD_VECLIB_OPTIMIZATIONS");
debug_flags.append ("-DBUILD_VECLIB_OPTIMIZATIONS");
conf.env.append_value('LINKFLAGS', "-framework Accelerate")
compiler_flags.append("-DBUILD_VECLIB_OPTIMIZATIONS");
linker_flags.append("-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")
compiler_flags.append ("-DBUILD_SSE_OPTIMIZATIONS")
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)")
@ -289,9 +294,9 @@ def set_compiler_flags (conf,opt):
if opt.lxvst:
if conf.env['build_target'] == 'x86_64':
conf.env.append_value('CXXFLAGS', "-DLXVST_64BIT")
compiler_flags.append("-DLXVST_64BIT")
else:
conf.env.append_value('CXXFLAGS', "-DLXVST_32BIT")
compiler_flags.append("-DLXVST_32BIT")
#
# a single way to test if we're on OS X
@ -301,18 +306,15 @@ def set_compiler_flags (conf,opt):
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('CFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1040")
conf.env.append_value('CXXFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1040")
conf.env.append_value('CXXFLAGS', '-mmacosx-version-min=10.4')
conf.env.append_value('CFLAGS', '-mmacosx-version-min=10.4')
compiler_flags.extend(
("-DMAC_OS_X_VERSION_MIN_REQUIRED=1040",
'-mmacosx-version-min=10.4'))
elif conf.env['build_target'] in [ 'lion', 'mountainlion' ]:
conf.env.append_value('CFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1070")
conf.env.append_value('CXXFLAGS', "-DMAC_OS_X_VERSION_MIN_REQUIRED=1070")
conf.env.append_value('CXXFLAGS', '-mmacosx-version-min=10.7')
conf.env.append_value('CFLAGS', '-mmacosx-version-min=10.7')
compiler_flags.extend(
("-DMAC_OS_X_VERSION_MIN_REQUIRED=1070",
'-mmacosx-version-min=10.7'))
else:
conf.define ('IS_OSX', 0)
@ -349,26 +351,15 @@ def set_compiler_flags (conf,opt):
"-fstrength-reduce"
]
if opt.debug:
conf.env.append_value('CFLAGS', debug_flags)
conf.env.append_value('CXXFLAGS', debug_flags)
conf.env.append_value('LINKFLAGS', debug_flags)
else:
conf.env.append_value('CFLAGS', 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")
cxx_flags.append("-D_GLIBCXX_DEBUG")
if conf.env['DEBUG_RT_ALLOC']:
conf.env.append_value('CFLAGS', '-DDEBUG_RT_ALLOC')
conf.env.append_value('CXXFLAGS', '-DDEBUG_RT_ALLOC')
conf.env.append_value('LINKFLAGS', '-ldl')
compiler_flags.append('-DDEBUG_RT_ALLOC')
linker_flags.append('-ldl')
if conf.env['DEBUG_DENORMAL_EXCEPTION']:
conf.env.append_value('CFLAGS', '-DDEBUG_DENORMAL_EXCEPTION')
conf.env.append_value('CXXFLAGS', '-DDEBUG_DENORMAL_EXCEPTION')
compiler_flags.append('-DDEBUG_DENORMAL_EXCEPTION')
if opt.universal:
if opt.generic:
@ -376,60 +367,53 @@ def set_compiler_flags (conf,opt):
sys.exit (1)
else:
if not Options.options.nocarbon:
conf.env.append_value('CFLAGS', ["-arch", "i386", "-arch", "ppc"])
conf.env.append_value('CXXFLAGS', ["-arch", "i386", "-arch", "ppc"])
conf.env.append_value('LINKFLAGS', ["-arch", "i386", "-arch", "ppc"])
compiler_flags.extend(("-arch", "i386", "-arch", "ppc"))
linker_flags.extend(("-arch", "i386", "-arch", "ppc"))
else:
conf.env.append_value('CFLAGS', ["-arch", "x86_64", "-arch", "i386", "-arch", "ppc"])
conf.env.append_value('CXXFLAGS', ["-arch", "x86_64", "-arch", "i386", "-arch", "ppc"])
conf.env.append_value('LINKFLAGS', ["-arch", "x86_64", "-arch", "i386", "-arch", "ppc"])
compiler_flags.extend(
("-arch", "x86_64", "-arch", "i386", "-arch", "ppc"))
linker_flags.extend(
("-arch", "x86_64", "-arch", "i386", "-arch", "ppc"))
else:
if opt.generic:
conf.env.append_value('CFLAGS', ['-arch', 'i386'])
conf.env.append_value('CXXFLAGS', ['-arch', 'i386'])
conf.env.append_value('LINKFLAGS', ['-arch', 'i386'])
compiler_flags.extend(('-arch', 'i386'))
linker_flags.extend(('-arch', 'i386'))
#
# warnings flags
#
conf.env.append_value('CFLAGS', [ '-Wall',
'-Wpointer-arith',
'-Wcast-qual',
'-Wcast-align',
'-Wstrict-prototypes',
'-Wmissing-prototypes'
])
conf.env.append_value('CXXFLAGS', [ '-Wall',
'-Wpointer-arith',
'-Wcast-qual',
'-Wcast-align',
'-Woverloaded-virtual'
])
compiler_flags.extend(
('-Wall', '-Wpointer-arith', '-Wcast-qual', '-Wcast-align'))
c_flags.extend(('-Wstrict-prototypes', '-Wmissing-prototypes'))
cxx_flags.append('-Woverloaded-virtual')
#
# more boilerplate
#
conf.env.append_value('CFLAGS', '-DBOOST_SYSTEM_NO_DEPRECATED')
conf.env.append_value('CXXFLAGS', '-DBOOST_SYSTEM_NO_DEPRECATED')
# need ISOC9X for llabs()
conf.env.append_value('CFLAGS', '-D_ISOC9X_SOURCE')
conf.env.append_value('CFLAGS', '-D_LARGEFILE64_SOURCE')
conf.env.append_value('CFLAGS', '-D_FILE_OFFSET_BITS=64')
# need ISOC9X for llabs()
conf.env.append_value('CXXFLAGS', '-D_ISOC9X_SOURCE')
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')
compiler_flags.extend(
('-DBOOST_SYSTEM_NO_DEPRECATED', '-D_ISOC9X_SOURCE',
'-D_LARGEFILE64_SOURCE', '-D_FILE_OFFSET_BITS=64'))
cxx_flags.extend(('-D__STDC_LIMIT_MACROS', '-D__STDC_FORMAT_MACROS'))
if opt.nls:
conf.env.append_value('CXXFLAGS', '-DENABLE_NLS')
conf.env.append_value('CFLAGS', '-DENABLE_NLS')
compiler_flags.append('-DENABLE_NLS')
if opt.debug:
conf.env.append_value('CFLAGS', debug_flags)
conf.env.append_value('CXXFLAGS', debug_flags)
else:
conf.env.append_value('CFLAGS', optimization_flags)
conf.env.append_value('CXXFLAGS', optimization_flags)
conf.env.append_value('CFLAGS', compiler_flags)
conf.env.append_value('CFLAGS', c_flags)
conf.env.append_value('CXXFLAGS', compiler_flags)
conf.env.append_value('CXXFLAGS', cxx_flags)
conf.env.append_value('LINKFLAGS', linker_flags)
#----------------------------------------------------------------