cross-compiling.
* ext/extmk.rb, enc/make_encmake.rb, lib/mkmf.rb: need to be 1.8
compatible for cross-compiling.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15616 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
compiled output file name explicitly.
* enc/Makefile.in, enc/depend: now makes compiler to put generated
files under directories corresnponding to the each source.
enc/trans supported.
* enc/make_encmake.rb: evaluates depend file before Makefile.in so
that the former can influence to CONFIG.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* 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
nobu