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ENV.no_optimization

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For when we optimize too much and things seem to break. In my experience the
GCC optimizer is pretty safe nowadays, but at least this allows you to test
the hypothesis the optimization is breaking the build.
This commit is contained in:
Max Howell 2009-09-05 12:26:13 +01:00
parent 87605d534b
commit a2cd3367a8
1 changed files with 9 additions and 5 deletions
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14
Library/Homebrew/brewkit.rb
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@ -40,12 +40,11 @@ ENV['MACOSX_DEPLOYMENT_TARGET']=$1
# ignore existing build vars, thus we should have less bugs to deal with # ignore existing build vars, thus we should have less bugs to deal with
ENV['LDFLAGS']="" ENV['LDFLAGS']=""
cflags=%w[-O3]
# optimise all the way to eleven, references: # optimise all the way to eleven, references:
# http://en.gentoo-wiki.com/wiki/Safe_Cflags/Intel # http://en.gentoo-wiki.com/wiki/Safe_Cflags/Intel
# http://forums.mozillazine.org/viewtopic.php?f=12&t=577299 # http://forums.mozillazine.org/viewtopic.php?f=12&t=577299
# http://gcc.gnu.org/onlinedocs/gcc-4.2.1/gcc/i386-and-x86_002d64-Options.html # http://gcc.gnu.org/onlinedocs/gcc-4.2.1/gcc/i386-and-x86_002d64-Options.html
cflags=[]
if MACOS_VERSION >= 10.6 if MACOS_VERSION >= 10.6
case Hardware.intel_family case Hardware.intel_family
when :penryn, :core2 when :penryn, :core2
@ -80,7 +79,8 @@ end
# -w: keep signal to noise high # -w: keep signal to noise high
# -fomit-frame-pointer: we are not debugging this software, we are using it # -fomit-frame-pointer: we are not debugging this software, we are using it
ENV['CFLAGS']=ENV['CXXFLAGS']="#{cflags*' '} -w -pipe -fomit-frame-pointer -mmacosx-version-min=#{MACOS_VERSION}" BREWKIT_SAFE_FLAGS="-w -pipe -fomit-frame-pointer -mmacosx-version-min=#{MACOS_VERSION}"
ENV['CFLAGS']=ENV['CXXFLAGS']="-O3 #{cflags*' '} #{BREWKIT_SAFE_FLAGS}"
# compile faster # compile faster
ENV['MAKEFLAGS']="-j#{Hardware.processor_count}" ENV['MAKEFLAGS']="-j#{Hardware.processor_count}"
@ -115,8 +115,12 @@ module HomebrewEnvExtension
self['MACOSX_DEPLOYMENT_TARGET']=nil self['MACOSX_DEPLOYMENT_TARGET']=nil
remove_from_cflags(/ ?-mmacosx-version-min=10\.\d/) remove_from_cflags(/ ?-mmacosx-version-min=10\.\d/)
end end
def generic_i386 def minimal_optimization
%w[-mfpmath=sse -msse3 -mmmx -march=\w+].each {|s| remove_from_cflags s} self['CFLAGS']=self['CXXFLAGS']="-Os #{BREWKIT_SAFE_FLAGS}"
end
def no_optimization
self['CFLAGS']=self['CXXFLAGS']=BREWKIT_SAFE_FLAGS
end end
def libxml2 def libxml2
append_to_cflags ' -I/usr/include/libxml2' append_to_cflags ' -I/usr/include/libxml2'