fix-machos.rb handling of bare lib names (#171)

* fix-machos.rb handle bare lib names

* add boost.org to ci

Author: jhheider

.github/workflows/ci.yml

@@ -19,6 +19,7 @@ jobs:
           - c-ares.org
           - vim.org
           - tea.xyz/gx/cc
+          - boost.org
           # FIXME? requires a darwin platform to run, and needs
           # macOS 12 to test. That'll require a more complex matrix
           # using get-platform.

share/brewkit/fix-machos.rb

@@ -164,11 +164,8 @@ def bad_install_names
         end
       elsif lib.start_with? '@rpath'
         path = Pathname.new(lib.sub(%r{^@rpath}, $tea_prefix))
-        if path.exist?
-          lib
-        else
-          puts "warn:#{@file.filename}:#{lib}"
-        end
+        puts "warn:#{@file.filename}:#{lib}" unless path.exist?
+        lib
       elsif lib.start_with? '@'
         puts "warn:#{@file.filename}:#{lib}"
         # noop
@@ -201,7 +198,13 @@ def fix_tea_prefix s
       s = s.relative_path_from(Pathname.new($tea_prefix))
       s = s.sub(%r{/v(\d+)\.(\d+\.)+\d+[a-z]?/}, '/v\1/')
 
-      abort "#{s} doesn’t exist!" unless File.exist?(File.join($tea_prefix, s))
+      # Some libs, like boost, have @rpath/filename.dylib. They lose the subpath.
+      # We can fix this.
+      if !File.exist?(File.join($tea_prefix, s))
+        lib = Pathname.new(@file.filename).parent.join(Pathname.new(s).basename)
+        abort "#{s} doesn’t exist!" unless lib.exist?
+        s = lib.relative_path_from(Pathname.new($tea_prefix))
+      end
 
       s = "@rpath/#{s}"