136 lines
4.2 KiB
Ruby
136 lines
4.2 KiB
Ruby
# Copyright 2009 Max Howell <max@methylblue.com>
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#
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# This file is part of Homebrew.
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#
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# Homebrew is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Homebrew is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Homebrew. If not, see <http://www.gnu.org/licenses/>.
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#
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require 'osx/cocoa' # to get number of cores
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require 'formula'
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require 'hw.model'
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ENV['MACOSX_DEPLOYMENT_TARGET']='10.5'
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ENV['CFLAGS']='-O3 -w -pipe -fomit-frame-pointer -mmacosx-version-min=10.5'
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ENV['LDFLAGS']='' # to be consistent, we ignore the environment usually already
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# optimise all the way to eleven, references:
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# http://en.gentoo-wiki.com/wiki/Safe_Cflags/Intel
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# http://forums.mozillazine.org/viewtopic.php?f=12&t=577299
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# http://gcc.gnu.org/onlinedocs/gcc-4.2.1/gcc/i386-and-x86_002d64-Options.html
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case hw_model
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when :core1
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# Core DUO is a 32 bit chip
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ENV['CFLAGS']="#{ENV['CFLAGS']} -march=prescott -mfpmath=sse -msse3 -mmmx"
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when :core2
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# Core 2 DUO is a 64 bit chip
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# GCC 4.3 will have a -march=core2, but for now nocona is correct
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ENV['CFLAGS']="#{ENV['CFLAGS']} -march=nocona -mfpmath=sse -msse3 -mmmx"
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# OK so we're not doing 64 bit yet... but we will with Snow Leopard
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# -mfpmath=sse defaults to on for the x64 compiler
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#ENV['CFLAGS']="#{ENV['CFLAGS']} -march=nocona -msse3 -mmmx -m64"
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#ENV['LDFLAGS']="-arch x86_64"
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when :xeon
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# TODO what optimisations for xeon?
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when :ppc then abort "Sorry, Homebrew does not support PowerPC architectures"
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when :dunno then abort "Sorry, Homebrew cannot determine what kind of Mac this is!"
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end
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ENV['CXXFLAGS']=ENV['CFLAGS']
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# lets use gcc 4.2, it is newer and "better", at least I believe so, mail me
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# if I'm wrong
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ENV['CC']='gcc-4.2'
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ENV['CXX']='g++-4.2'
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ENV['MAKEFLAGS']="-j#{OSX::NSProcessInfo.processInfo.processorCount}"
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unless HOMEBREW_PREFIX.to_s == '/usr/local'
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ENV['CPPFLAGS']="-I#{HOMEBREW_PREFIX}/include"
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ENV['LDFLAGS']="-L#{HOMEBREW_PREFIX}/lib"
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end
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# you can use these functions for packages that have build issues
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module HomebrewEnvExtension
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def deparallelize
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remove 'MAKEFLAGS', /-j\d+/
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end
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def gcc_4_0_1
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self['CC']=nil
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self['CXX']=nil
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end
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def osx_10_4
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self['MACOSX_DEPLOYMENT_TARGET']=nil
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remove_from_cflags(/ ?-mmacosx-version-min=10\.\d/)
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end
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def generic_i386
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%w[-mfpmath=sse -msse3 -mmmx -march=\w+].each {|s| remove_from_cflags s}
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end
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def libxml2
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self['CXXFLAGS']=self['CFLAGS']+=' -I/usr/include/libxml2'
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end
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def libpng
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append 'CPPFLAGS', '-I/usr/X11R6/include'
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append 'LDFLAGS', '-L/usr/X11R6/lib'
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end
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# we've seen some packages fail to build when warnings are disabled!
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def enable_warnings
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remove_from_cflags '-w'
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end
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private
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def append key, value
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ref=self[key]
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if ref.nil? or ref.empty?
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self[key]=value
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else
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self[key]=ref+' '+value
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end
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end
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def remove key, rx
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return if self[key].nil?
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# sub! doesn't work as "the string is frozen"
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self[key]=self[key].sub rx, ''
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self[key]=nil if self[key].empty? # keep things clean
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end
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def remove_from_cflags rx
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%w[CFLAGS CXXFLAGS].each {|key| remove key, rx}
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end
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end
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ENV.extend HomebrewEnvExtension
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# remove MacPorts and Fink from the PATH, this prevents issues like:
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# http://github.com/mxcl/homebrew/issues/#issue/13
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paths=ENV['PATH'].split(':').reject do |p|
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p.squeeze! '/'
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p=~%r[^/opt/local] or p=~%r[^/sw]
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end
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ENV['PATH']=paths*':'
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def inreplace(path, before, after)
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before=Regexp.escape before.to_s
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before.gsub! "/", "\\/" # I guess not escaped as delimiter varies
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after=after.to_s
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after.gsub! "\\", "\\\\"
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after.gsub! "/", "\\/"
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# TODO this sucks
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# either use 'ed', or allow regexp and use a proper ruby function
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Kernel.system "perl", "-pi", "-e", "s/#{before}/#{after}/g", path
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end
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