[Truffle] Compile c specs with extconf make

jruby · Nov 21, 2016 · 338aba2 · 338aba2
1 parent a4727a2
commit 338aba2
Showing 1 changed file with 29 additions and 1 deletion.
diff --git a/spec/ruby/optional/capi/spec_helper.rb b/spec/ruby/optional/capi/spec_helper.rb
@@ -3,6 +3,7 @@
 
 require 'rbconfig'
 require 'fileutils'
+require 'tmpdir'
 
 OBJDIR ||= File.expand_path("../../../ext/#{RUBY_NAME}/#{RUBY_VERSION}", __FILE__)
 FileUtils.makedirs(OBJDIR)
@@ -43,7 +44,7 @@ def compile_extension(name)
     require 'mkmf'
     hdrdir = $hdrdir
   elsif RUBY_NAME == 'jruby+truffle'
-    return compile_extension_jruby_truffle(name)
+    return compile_jruby_truffle_extconf_make(name, path, objdir)
   else
     raise "Don't know how to build C extensions with #{RUBY_NAME}"
   end
@@ -119,6 +120,33 @@ def compile_extension_jruby_truffle(name)
   File.delete(sulong_config_file) if File.exist?(sulong_config_file)
 end
 
+def compile_jruby_truffle_extconf_make(name, path, objdir)
+  ext       = "#{name}_spec"
+  file      = "#{ext}.c"
+  source    = File.join(path, file)
+  temp_dir = Dir.mktmpdir
+  copy =  File.join(temp_dir, file)
+  lib_target = File.join(objdir, "#{ext}.#{RbConfig::CONFIG['DLEXT']}")
+  begin
+    FileUtils.cp File.join(path, "rubyspec.h"), File.join(temp_dir, "rubyspec.h")
+    FileUtils.cp File.join(path, "jruby_truffle.h"), File.join(temp_dir, "jruby_truffle.h")
+    FileUtils.cp source, copy
+    extconf_src = "require 'mkmf'\n" +
+                  "create_makefile('#{ext}', '#{temp_dir}')" # ,
+    File.open(File.join(temp_dir, "extconf_#{ext}.rb"), 'w') {|f| f.write(extconf_src) }
+    Dir.chdir(temp_dir) do
+      ruby = File.join(RbConfig::CONFIG["bindir"], RbConfig::CONFIG["RUBY_INSTALL_NAME"])
+      system "#{ruby} extconf_#{ext}.rb"
+      system "make"                                                     # run make in temp dir
+      FileUtils.copy_file("#{ext}.su", lib_target)                      # copy to .su file to library dir
+      FileUtils.copy_file("#{ext}.ll", File.join(objdir, "#{ext}.ll"))  # copy to .ll file to library dir
+    end
+  ensure
+    FileUtils.remove_entry dir
+  end
+  lib_target
+end
+
 def load_extension(name)
   require compile_extension(name)
 end