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Merge pull request #13770 from danielnachun/add_symlink_gcc_libs

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Automatically add symlinks from gcc cellar to HOMEBREW_PREFIX/lib
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Daniel Nachun 2022-08-31 19:28:23 -07:00 committed by GitHub
commit 451bded34d
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 46 additions and 9 deletions
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55
Library/Homebrew/extend/os/linux/install.rb
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@ -5,21 +5,39 @@ module Homebrew
module Install
module_function
DYNAMIC_LINKERS = [
"/lib64/ld-linux-x86-64.so.2",
"/lib64/ld64.so.2",
"/lib/ld-linux.so.3",
"/lib/ld-linux.so.2",
"/lib/ld-linux-aarch64.so.1",
"/lib/ld-linux-armhf.so.3",
"/system/bin/linker64",
"/system/bin/linker",
# This is a list of known paths to the host dynamic linker on Linux if
# the host glibc is new enough. The symlink_ld_so method will fail if
# the host linker cannot be found in this list.
DYNAMIC_LINKERS = %w[
/lib64/ld-linux-x86-64.so.2
/lib64/ld64.so.2
/lib/ld-linux.so.3
/lib/ld-linux.so.2
/lib/ld-linux-aarch64.so.1
/lib/ld-linux-armhf.so.3
/system/bin/linker64
/system/bin/linker
].freeze
private_constant :DYNAMIC_LINKERS
GCC_VERSION_SUFFIX = OS::LINUX_GCC_CI_VERSION.delete_suffix(".0").freeze
# We link GCC runtime libraries that are not specificaly used for Fortran,
# which are linked by the GCC formula. We only use the versioned shared libraries
# as the other shared and static libraries are only used at build time where
# GCC can find its own libraries.
GCC_RUNTIME_LIBS = %w[
libatomic.so.1
libgcc_s.so.1
libgomp.so.1
libstdc++.so.6
].freeze
private_constant :GCC_RUNTIME_LIBS
def perform_preinstall_checks(all_fatal: false, cc: nil)
generic_perform_preinstall_checks(all_fatal: all_fatal, cc: cc)
symlink_ld_so
symlink_gcc_libs
end
def check_cpu
@ -51,5 +69,24 @@ module Homebrew
FileUtils.ln_sf ld_so, brew_ld_so
end
private_class_method :symlink_ld_so
def symlink_gcc_libs
gcc_opt_prefix = HOMEBREW_PREFIX/"opt/#{OS::LINUX_PREFERRED_GCC_FORMULA}"
GCC_RUNTIME_LIBS.each do |library|
gcc_library = gcc_opt_prefix/"lib/gcc/#{GCC_VERSION_SUFFIX}/#{library}"
gcc_library_symlink = HOMEBREW_PREFIX/"lib/#{library}"
# Skip if the link target doesn't exist.
next unless gcc_library.readable?
# Also skip if the symlink already exists.
next if gcc_library_symlink.readable? && (gcc_library_symlink.readlink == gcc_library)
odie "#{HOMEBREW_PREFIX}/lib does not exist!" unless (HOMEBREW_PREFIX/"lib").readable?
FileUtils.ln_sf gcc_library, gcc_library_symlink
end
end
private_class_method :symlink_gcc_libs
end
end