51 lines
1.5 KiB
Ruby
51 lines
1.5 KiB
Ruby
# typed: true
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# frozen_string_literal: true
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require "compilers"
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class LinkageChecker
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# Libraries provided by glibc and gcc.
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SYSTEM_LIBRARY_ALLOWLIST = %w[
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ld-linux-x86-64.so.2
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ld-linux-aarch64.so.1
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libanl.so.1
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libatomic.so.1
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libc.so.6
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libdl.so.2
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libm.so.6
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libmvec.so.1
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libnss_files.so.2
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libpthread.so.0
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libresolv.so.2
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librt.so.1
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libthread_db.so.1
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libutil.so.1
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libgcc_s.so.1
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libgomp.so.1
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libstdc++.so.6
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libquadmath.so.0
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].freeze
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private
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def check_dylibs(rebuild_cache:)
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generic_check_dylibs(rebuild_cache:)
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# glibc and gcc are implicit dependencies.
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# No other linkage to system libraries is expected or desired.
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@unwanted_system_dylibs = @system_dylibs.reject do |s|
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SYSTEM_LIBRARY_ALLOWLIST.include? File.basename(s)
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end
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# We build all formulae with an RPATH that includes the gcc formula's runtime lib directory.
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# See: https://github.com/Homebrew/brew/blob/e689cc07/Library/Homebrew/extend/os/linux/extend/ENV/super.rb#L53
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# This results in formulae showing linkage with gcc whenever it is installed, even if no dependency is declared.
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# See discussions at:
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# https://github.com/Homebrew/brew/pull/13659
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# https://github.com/Homebrew/brew/pull/13796
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# TODO: Find a nicer way to handle this. (e.g. examining the ELF file to determine the required libstdc++.)
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@undeclared_deps.delete("gcc")
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@indirect_deps.delete("gcc")
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end
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end
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