Fixes --with-static-linked-ext.
Patch by Google Inc. [ruby-core:45073].
* Makefile.in (ENCOBJS, EXTOBJS): New variables to specify static
linked libraries. Also reintroduces extinit.o, introduces encinit.o
introduces encinit.o
* common.mk: Builds static libraries rather than shared objects if
specified.
* configure.in (LD): new substitution.
Avoids PIE if s
* enc/depend: Supports static linked libraries
(libencs, libenc, libtrans): New target.
* enc/encinit.c.erb: new template to generate the initialization of
statically linked encodings.
* enc/make_encmake.rb (--module): new flag to specify whether static
or dynamic.
* transcode_data.h (TRANS_INIT): New macro to get rid of the name
collision of encoding initializers and transcoder initializers.
* ext/extmk.rb: Fixes the behavior on $extstatic is true.
* lib/mkmf.rb (clean-static): new target to clean up static linked
libraries.
* ruby.c (process_options): New initializes statically linked
encodings here.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35662 b2dd03c8-39d4-4d8f-98ff-823fe69b080e