7bb1894df5
Some libraries do not have the .dylib extension (e.g. Qt framework libs), but need to have their install names rewritten to prevent other packages from breaking due to upgrades. Use the new Pathname#dylib? instead.
59 lines
1.8 KiB
Ruby
59 lines
1.8 KiB
Ruby
class Keg
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def fix_install_names
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dylibs.each do |dylib|
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bad_install_names_for dylib do |id, bad_names|
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dylib.ensure_writable do
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system "install_name_tool", "-id", id, dylib
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bad_names.each do |bad_name|
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new_name = bad_name
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new_name = Pathname.new(bad_name).basename unless (dylib.parent + new_name).exist?
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# this fixes some problems, maybe not all. opencv seems to have badnames of the type
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# "lib/libblah.dylib"
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if (dylib.parent + new_name).exist?
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system "install_name_tool", "-change", bad_name, "@loader_path/#{new_name}", dylib
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else
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opoo "Could not fix install names for #{dylib}"
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end
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end
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end
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end
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end
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end
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private
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OTOOL_RX = /\t(.*) \(compatibility version (\d+\.)*\d+, current version (\d+\.)*\d+\)/
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def bad_install_names_for dylib
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dylib = dylib.to_s
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ENV['HOMEBREW_DYLIB'] = dylib # solves all shell escaping problems
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install_names = `otool -L "$HOMEBREW_DYLIB"`.split "\n"
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install_names.shift # first line is fluff
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install_names.map!{ |s| OTOOL_RX =~ s && $1 }
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id = install_names.shift
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install_names.compact!
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install_names.reject!{ |fn| fn =~ /^@(loader|executable)_path/ }
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install_names.reject!{ |fn| fn[0,1] == '/' }
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# the shortpath ensures that library upgrades don’t break installed tools
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shortpath = HOMEBREW_PREFIX + Pathname.new(dylib).relative_path_from(self)
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id = if shortpath.exist? then shortpath else dylib end
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yield id, install_names
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end
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def dylibs
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require 'find'
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dylibs = []
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if (lib = join 'lib').directory?
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lib.find do |pn|
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next if pn.symlink? or pn.directory?
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dylibs << pn if pn.dylib?
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end
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end
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dylibs
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end
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end
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