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extend/os/linux/install: use ld.so.conf.d where possible

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This commit is contained in:
Bo Anderson 2022-09-15 14:13:09 +01:00
parent 65eff656ae
commit 07f5951b76
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GPG Key ID: 3DB94E204E137D65
1 changed files with 41 additions and 11 deletions
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52
Library/Homebrew/extend/os/linux/install.rb
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@ -38,13 +38,13 @@ module Homebrew
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
setup_preferred_gcc_libs
end
def global_post_install
generic_global_post_install
symlink_ld_so
symlink_gcc_libs
setup_preferred_gcc_libs
end
def check_cpu
@ -77,23 +77,53 @@ module Homebrew
end
private_class_method :symlink_ld_so
def symlink_gcc_libs
def setup_preferred_gcc_libs
gcc_opt_prefix = HOMEBREW_PREFIX/"opt/#{OS::LINUX_PREFERRED_GCC_RUNTIME_FORMULA}"
glibc_installed = (HOMEBREW_PREFIX/"opt/glibc/lib/ld-linux-x86-64.so.2").readable?
return unless gcc_opt_prefix.readable?
if glibc_installed
ld_so_conf_d = HOMEBREW_PREFIX/"etc/ld.so.conf.d"
unless ld_so_conf_d.exist?
ld_so_conf_d.mkpath
FileUtils.chmod "go-w", ld_so_conf_d
end
# Add gcc to ld search paths
ld_gcc_conf = ld_so_conf_d/"50-homebrew-preferred-gcc.conf"
unless ld_gcc_conf.exist?
ld_gcc_conf.atomic_write <<~EOS
# This file is generated by Homebrew. Do not modify.
#{gcc_opt_prefix}/lib/gcc/#{PREFERRED_GCC_RUNTIME_VERSION}
EOS
FileUtils.chmod "u=rw,go-wx", ld_gcc_conf
FileUtils.rm_f HOMEBREW_PREFIX/"etc/ld.so.cache"
system HOMEBREW_PREFIX/"opt/glibc/sbin/ldconfig"
end
else
odie "#{HOMEBREW_PREFIX}/lib does not exist!" unless (HOMEBREW_PREFIX/"lib").readable?
end
GCC_RUNTIME_LIBS.each do |library|
gcc_library = gcc_opt_prefix/"lib/gcc/#{PREFERRED_GCC_RUNTIME_VERSION}/#{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)
if glibc_installed
# Remove legacy symlinks
FileUtils.rm gcc_library_symlink if gcc_library_symlink.symlink?
else
gcc_library = gcc_opt_prefix/"lib/gcc/#{PREFERRED_GCC_RUNTIME_VERSION}/#{library}"
# Skip if the link target doesn't exist.
next unless gcc_library.readable?
odie "#{HOMEBREW_PREFIX}/lib does not exist!" unless (HOMEBREW_PREFIX/"lib").readable?
# Also skip if the symlink already exists.
next if gcc_library_symlink.readable? && (gcc_library_symlink.readlink == gcc_library)
FileUtils.ln_sf gcc_library, gcc_library_symlink
FileUtils.ln_sf gcc_library, gcc_library_symlink
end
end
end
private_class_method :symlink_gcc_libs
private_class_method :setup_preferred_gcc_libs
end
end