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# Copyright 2009 Max Howell and other contributors.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
require 'fileutils'
require 'formula'
require 'download_strategy'
require 'hardware'
# TODO
# 1. Indeed, there should be an option to build 32 or 64 bit binaries
# 2. Homebrew will not support building 32 and 64 bit lipo'd binaries, I
# want to, but the simple fact is it is difficult to force most of the
# build systems we support to do it.
`/usr/bin/sw_vers -productVersion` =~ /(10\.\d+)(\.\d+)?/
MACOS_VERSION=$1.to_f
ENV['MACOSX_DEPLOYMENT_TARGET']=$1
cflags=%w[-O3]
# optimise all the way to eleven, references:
# http://en.gentoo-wiki.com/wiki/Safe_Cflags/Intel
# 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
if MACOS_VERSION >= 10.6
case Hardware.intel_family
when :penryn, :core2
cflags<<"-march=core2"
when :core
cflags<<"-march=prescott"
end
ENV['LDFLAGS']="-arch x86_64"
cflags<<"-m64"
else
case Hardware.intel_family
when :penryn, :core2
cflags<<"-march=nocona"
when :core
cflags<<"-march=prescott"
end
# to be consistent with cflags, we ignore the existing environment
ENV['LDFLAGS']=""
cflags<<"-mfpmath=sse"
# gcc 4.0 is the default on Leopard
ENV['CC']="gcc-4.2"
ENV['CXX']="g++-4.2"
end
cflags<<"-mmmx"
case Hardware.intel_family
when :penryn
cflags<<"-msse4.1"
when :core2, :core
cflags<<"-msse3"
end
# -w: keep signal to noise high
# -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}"
# compile faster
ENV['MAKEFLAGS']="-j#{Hardware.processor_count}"
# /usr/local is always in the build system path
unless HOMEBREW_PREFIX.to_s == '/usr/local'
ENV['CPPFLAGS']="-I#{HOMEBREW_PREFIX}/include"
ENV['LDFLAGS']="-L#{HOMEBREW_PREFIX}/lib"
end
# you can use these functions for packages that have build issues
module HomebrewEnvExtension
def deparallelize
remove 'MAKEFLAGS', /-j\d+/
end
alias_method :j1, :deparallelize
def gcc_4_0_1
case MACOS_VERSION
when 10.5
self['CC']=nil
self['CXX']=nil
when 10.6..11.0
self['CC']='gcc-4.0'
self['CXX']='g++-4.0'
remove_from_cflags '-march=core2' # we *should* add back in stuff but meh for now
end
end
def osx_10_4
self['MACOSX_DEPLOYMENT_TARGET']=nil
remove_from_cflags(/ ?-mmacosx-version-min=10\.\d/)
end
def generic_i386
%w[-mfpmath=sse -msse3 -mmmx -march=\w+].each {|s| remove_from_cflags s}
end
def libxml2
append_to_cflags ' -I/usr/include/libxml2'
end
# TODO rename or alias to x11
def libpng
# CPPFLAGS are the C-PreProcessor flags, *not* C++!
append 'CPPFLAGS', '-I/usr/X11R6/include'
append 'LDFLAGS', '-L/usr/X11R6/lib'
end
# we've seen some packages fail to build when warnings are disabled!
def enable_warnings
remove_from_cflags '-w'
end
private
def append key, value
ref=self[key]
if ref.nil? or ref.empty?
self[key]=value
else
self[key]=ref+' '+value
end
end
def append_to_cflags f
append 'CFLAGS', f
append 'CXXFLAGS', f
end
def remove key, value
return if self[key].nil?
self[key]=self[key].sub value, '' # can't use sub! on ENV
self[key]=nil if self[key].empty? # keep things clean
end
def remove_from_cflags f
remove 'CFLAGS', f
remove 'CXXFLAGS', f
end
end
ENV.extend HomebrewEnvExtension
# remove MacPorts and Fink from the PATH, this prevents issues like:
# http://github.com/mxcl/homebrew/issues/#issue/13
paths=ENV['PATH'].split(':').reject do |p|
p.squeeze! '/'
p =~ %r[^/opt/local] or p =~ %r[^/sw]
end
ENV['PATH']=paths*':'
def inreplace(path, before, after)
before=Regexp.escape before.to_s
before.gsub! "/", "\\/" # I guess not escaped as delimiter varies
after=after.to_s
after.gsub! "\\", "\\\\"
after.gsub! "/", "\\/"
# FIXME use proper Ruby for teh exceptions!
safe_system "perl", "-pi", "-e", "s/#{before}/#{after}/g", path
end
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