 94ef9a4b7a
			
		
	
	
		94ef9a4b7a
		
	
	
	
	
		
			
			Currently the codesign_patched_binary method may be called many times for the same file when installing a keg. This removes the calls to codesign_patched_binary from os/mac/keg and adds a single call to the relocate_dynamic_linkage and fix_dynamic_linkage methods in extend/os/mac/keg_relocate to speed up keg installation.
		
			
				
	
	
		
			88 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # typed: true
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| # frozen_string_literal: true
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| 
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| require "compilers"
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| 
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| class Keg
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|   def relocate_dynamic_linkage(relocation)
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|     # Patching the dynamic linker of glibc breaks it.
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|     return if name.match? Version.formula_optionally_versioned_regex(:glibc)
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| 
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|     old_prefix, new_prefix = relocation.replacement_pair_for(:prefix)
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| 
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|     elf_files.each do |file|
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|       file.ensure_writable do
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|         change_rpath(file, old_prefix, new_prefix)
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|       end
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|     end
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|   end
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| 
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|   def change_rpath(file, old_prefix, new_prefix)
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|     return false if !file.elf? || !file.dynamic_elf?
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| 
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|     updated = {}
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|     old_rpath = file.rpath
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|     new_rpath = if old_rpath
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|       rpath = old_rpath.split(":")
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|                        .map { |x| x.sub(old_prefix, new_prefix) }
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|                        .select { |x| x.start_with?(new_prefix, "$ORIGIN") }
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| 
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|       lib_path = "#{new_prefix}/lib"
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|       rpath << lib_path unless rpath.include? lib_path
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| 
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|       # Add GCC's lib directory (as of GCC 12+) to RPATH when there is existing versioned linkage.
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|       # This prevents broken linkage when pouring bottles built with an old GCC formula.
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|       unless name.match?(Version.formula_optionally_versioned_regex(:gcc))
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|         rpath.map! { |rp| rp.sub(%r{lib/gcc/\d+$}, "lib/gcc/current") }
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|       end
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| 
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|       rpath.join(":")
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|     end
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|     updated[:rpath] = new_rpath if old_rpath != new_rpath
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| 
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|     old_interpreter = file.interpreter
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|     new_interpreter = if old_interpreter.nil?
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|       nil
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|     elsif File.readable? "#{new_prefix}/lib/ld.so"
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|       "#{new_prefix}/lib/ld.so"
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|     else
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|       old_interpreter.sub old_prefix, new_prefix
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|     end
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|     updated[:interpreter] = new_interpreter if old_interpreter != new_interpreter
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| 
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|     file.patch!(interpreter: updated[:interpreter], rpath: updated[:rpath])
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|     true
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|   end
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| 
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|   def detect_cxx_stdlibs(options = {})
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|     skip_executables = options.fetch(:skip_executables, false)
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|     results = Set.new
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|     elf_files.each do |file|
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|       next unless file.dynamic_elf?
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|       next if file.binary_executable? && skip_executables
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| 
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|       dylibs = file.dynamically_linked_libraries
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|       results << :libcxx if dylibs.any? { |s| s.include? "libc++.so" }
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|       results << :libstdcxx if dylibs.any? { |s| s.include? "libstdc++.so" }
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|     end
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|     results.to_a
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|   end
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| 
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|   def elf_files
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|     hardlinks = Set.new
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|     elf_files = []
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|     path.find do |pn|
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|       next if pn.symlink? || pn.directory?
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|       next if !pn.dylib? && !pn.binary_executable?
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| 
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|       # If we've already processed a file, ignore its hardlinks (which have the
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|       # same dev ID and inode). This prevents relocations from being performed
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|       # on a binary more than once.
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|       next unless hardlinks.add? [pn.stat.dev, pn.stat.ino]
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| 
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|       elf_files << pn
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|     end
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|     elf_files
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|   end
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| end
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