pantry/projects/tea.xyz/gx/cc/cc.rb
2023-01-20 12:06:26 -05:00

47 lines
1.8 KiB
Ruby
Executable file
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#!/usr/bin/ruby
# - we inject our rpath to ensure our libs our found
# - for bottles we replace that in fix-machos.rb with a relocatable prefix
# - in general usage we dont, so if the user needs to distribute their artifacts,
# they will need to fix them first, but that's typical anyway.
# - for tea-envs the user probably wont use tea.xyz/gx/cc even though they *should*
# and thus we set LDFLAGS in the hope that they will be picked up and the rpath set
$tea_prefix = ENV['TEA_PREFIX'] || `tea --prefix`.chomp
exe = File.basename($0)
# remove duplicates since this in fact embeds the rpath multiple times
# and omit -nodefaultrpaths since it is not a valid flag for clang
args = ARGV.map do |arg|
arg unless arg == "-Wl,-rpath,#$tea_prefix" or arg == "-nodefaultrpaths"
end.compact
# find next example of ourselves
# this will either pick the Apple provided clang or the tea one
exe_path = ENV['PATH'].split(":").filter { |path|
path != File.dirname(__FILE__)
}.map { |path|
"#{path}/#{exe}"
}.reject { |path|
# if the user created a symlink of `cc` to `tea` dont use it
File.symlink? path and File.basename(File.readlink(path)) == "tea"
}.find { |path|
File.exist?(path)
}
abort "couldnt find #{exe} in `PATH`" unless exe_path
for arg in args do
# figuring out what “mode” we are operating in is hard
# we dont want to add this linker command always because it causes a warning to be
# output if we are not outputing executables/dylibs and this warning can break
# configure scripts, however the below is not fully encompassing
# we aren't sure what the rules are TBH, possibly it is as simple as if the output (`-o`)
# is a .o then we dont add the rpath
if arg.start_with? '-l' or arg.end_with? '.dylib'
exec exe_path, *args, "-Wl,-rpath,#$tea_prefix"
end
end
exec exe_path, *args