* common.mk (encs): new target to compile external encodings.

* enc/Makefile.in: became a serb template.

* enc/make_encmake.rb: creates enc.mk from enc/Makefile.in using serb.

* lib/mkmf.rb (relative_from): moved from ext/extmk.rb.

* lib/mkmf.rb ($extmk): true if under to top source directory, not
  only ext.

* lib/mkmf.rb (depend_rules): extracted from create_makefile.

* tool/serb.rb (serb): splitted from tool/compile_prelude.rb.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14267 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 17 insertions, 0 deletions

diff --git a/tool/serb.rb b/tool/serb.rb
new file mode 100644
index 0000000000..edba8966c7
--- /dev/null
+++ b/tool/serb.rb
@@ -0,0 +1,17 @@
+def serb(str, var)
+  result = ''
+  str.each_line {|line|
+    if /\A!/ =~ line
+      result << $'
+    else
+      line.split(/(<%.*?%>)/).each {|x|
+        if /\A<%(.*)%>\z/ =~ x
+          result << "#{var} << (#{$1}).to_s\n"
+        else
+          result << "#{var} << #{x.dump}\n"
+        end
+      }
+    end
+  }
+  result
+end