* configure.in (rubygems): add --disable-rubygems option.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30835 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Fri Feb 11 12:03:24 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* configure.in (rubygems): add --disable-rubygems option.
+
 Fri Feb 11 11:39:03 2011  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* template/fake.rb.in (CROSS_COMPILING): get rid of NameError.

Makefile.in

@@ -89,6 +89,8 @@ XRUBY_LIBDIR = @XRUBY_LIBDIR@
 XRUBY_RUBYLIBDIR = @XRUBY_RUBYLIBDIR@
 XRUBY_RUBYHDRDIR = @XRUBY_RUBYHDRDIR@
 
+DEFAULT_PRELUDES = $(@USE_RUBYGEMS@_GEM_PRELUDE)
+
 #### End of system configuration section. ####
 
 MAJOR=	@MAJOR@

common.mk

@@ -104,7 +104,10 @@ OBJS          = $(EXPORTOBJS) prelude.$(OBJEXT)
 
 GOLFOBJS      = goruby.$(OBJEXT) golf_prelude.$(OBJEXT)
 
-PRELUDE_SCRIPTS = $(srcdir)/prelude.rb $(srcdir)/enc/prelude.rb $(srcdir)/gem_prelude.rb
+PRELUDE_SCRIPTS = $(srcdir)/prelude.rb $(srcdir)/enc/prelude.rb $(DEFAULT_PRELUDES)
+GEM_PRELUDE = $(srcdir)/gem_prelude.rb
+YES_GEM_PRELUDE = $(GEM_PRELUDE)
+NO_GEM_PRELUDE =
 PRELUDES      = prelude.c miniprelude.c
 GOLFPRELUDES = golf_prelude.c
 

configure.in

@@ -2836,6 +2836,17 @@ if test -z "$MANTYPE"; then
 fi
 AC_SUBST(MANTYPE)
 
+AC_ARG_ENABLE(rubygems,
+	AS_HELP_STRING([--disable-rubygems], [disable rubygems by default]),
+	[enable_rubygems="$enableval"], [enable_rubygems=yes])
+if test x"$enable_rubygems" = xno; then
+    AC_DEFINE(DISABLE_RUBYGEMS, 1)
+    USE_RUBYGEMS=NO
+else
+    USE_RUBYGEMS=YES
+fi
+AC_SUBST(USE_RUBYGEMS)
+
 arch_hdrdir="${EXTOUT}/include/${arch}/ruby"
 AS_MKDIR_P("${arch_hdrdir}")
 config_h="${arch_hdrdir}/config.h"

ruby.c

@@ -111,6 +111,9 @@ cmdline_options_init(struct cmdline_options *opt)
     opt->src.enc.index = src_encoding_index;
     opt->ext.enc.index = -1;
     opt->intern.enc.index = -1;
+#if defined DISABLE_RUBYGEMS && DISABLE_RUBYGEMS
+    opt->disable |= DISABLE_BIT(gems);
+#endif
     return opt;
 }
 

test/ruby/envutil.rb

@@ -197,6 +197,6 @@ else
     CONFIG['bindir'] = dir
     CONFIG['ruby_install_name'] = name
     CONFIG['RUBY_INSTALL_NAME'] = name
-    Gem::ConfigMap[:bindir] = dir if defined?(Gem)
+    Gem::ConfigMap[:bindir] = dir if defined?(Gem::ConfigMap)
   end
 end

win32/Makefile.sub

@@ -276,6 +276,12 @@ XRUBY = $(RUNRUBY)
 !ifndef RUBY
 RUBY = ruby
 !endif
+!if "$(USE_RUBYGEMS)" == "NO"
+DEFAULT_PRELUDES = $(NO_GEM_PRELUDE)
+!else
+DEFAULT_PRELUDES = $(YES_GEM_PRELUDE)
+!endif
+
 MAKEDIRS = $(MINIRUBY) -run -e mkdir -- -p
 
 !if !defined(STACK)

win32/configure.bat

@@ -26,6 +26,8 @@ if "%1" == "--enable-win95" goto :enable-win95
 if "%1" == "--disable-win95" goto :disable-win95
 if "%1" == "--enable-debug-env" goto :enable-debug-env
 if "%1" == "--disable-debug-env" goto :disable-debug-env
+if "%1" == "--enable-rubygems" goto :enable-rubygems
+if "%1" == "--disable-rubygems" goto :disable-rubygems
 if "%1" == "--extout" goto :extout
 if "%1" == "--path" goto :path
 if "%1" == "--with-baseruby" goto :baseruby
@@ -123,6 +125,16 @@ goto :loop
   echo>>confargs.tmp %1 \
   shift
 goto :loop
+:enable-rubygems
+  echo>> ~tmp~.mak 	"USE_RUBYGEMS=YES" \
+  echo>>confargs.tmp %1 \
+  shift
+goto :loop
+:disable-rubygems
+  echo>> ~tmp~.mak 	"USE_RUBYGEMS=NO" \
+  echo>>confargs.tmp %1 \
+  shift
+goto :loop
 :ntver
   echo>> ~tmp~.mak 	"NTVER=%~2" \
   echo>>confargs.tmp %1=%2 \