* ext/zlib/extconf.rb: detect z_crc_t type which will be defined
since zlib-1.2.7.
* ext/zlib/zlib.c (rb_zlib_crc_table): use z_crc_t if available.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@36939 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/zlib/extconf.rb: Use an exception instaed of bare puts.
* ext/psych/extconf.rb: Use an exception instaed of bare abort.
* ext/fiddle/extconf.rb: Use an exception instaed of bare abort.
* ext/readline/extconf.rb: Use an exception instead of bare exit.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_3@36930 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
macros moved to extconf.h.
* ext/extmk.rb (extract_makefile, extmk): made RUBY_EXTCONF_H and
EXTSTATIC permanent.
* ext/{dbm,digest/*,socket,zlib}/extconf.rb: used $defs and $INCFLAGS.
* {bcc32,win32,wince}/Makefile.sub (COMPILE_C, COMPILE_CXX): added
$(INCFLAGS).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10193 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
