Set ext.no_native = true for non mac platform
From:
https://github.com/rake-compiler/rake-compiler/issues/146#issuecomment-368539245
diff --git a/ruby/Rakefile b/ruby/Rakefile
index 7aecfe8..ff09ceb 100644
--- a/ruby/Rakefile
+++ b/ruby/Rakefile
@@ -52,6 +52,12 @@
end
else
Rake::ExtensionTask.new("protobuf_c", spec) do |ext|
+ unless RUBY_PLATFORM =~ /darwin/
+ # TODO: also set "no_native to true" for mac if possible. As is,
+ # "no_native" can only be set if the RUBY_PLATFORM doing
+ # cross-compilation is contained in the "ext.cross_platform" array.
+ ext.no_native = true
+ end
ext.ext_dir = "ext/google/protobuf_c"
ext.lib_dir = "lib/google"
ext.cross_compile = true
