From 556515bf69a098c146b7856395a0e804e9159115 Mon Sep 17 00:00:00 2001
From: nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 23 Feb 2015 07:05:23 +0000
Subject: [PATCH] Makefile.in: make static IDs symbols local

* Makefile.in (LIBRUBY_SO): make symbols for static IDs which
  begin with ruby_static_id_ local too.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@49699 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 Makefile.in        | 3 ++-
 common.mk          | 2 +-
 configure.in       | 1 +
 win32/mkexports.rb | 6 ++++--
 4 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/Makefile.in b/Makefile.in
index bb25f3e4f7..7fb19ded12 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -239,7 +239,8 @@ $(LIBRUBY_SO):
 		@-$(PRE_LIBRUBY_UPDATE)
 		$(ECHO) linking shared-library $@
 		$(Q) $(LDSHARED) $(DLDFLAGS) $(OBJS) $(DLDOBJS) $(SOLIBS) $(EXTSOLIBS) $(OUTFLAG)$@
-		-$(Q) $(OBJCOPY) -w -L '$(SYMBOL_PREFIX)Init_*' -L '$(SYMBOL_PREFIX)*_threadptr_*' $@
+		-$(Q) $(OBJCOPY) -w -L '$(SYMBOL_PREFIX)Init_*' -L '$(SYMBOL_PREFIX)ruby_static_id_*' \
+			-L '$(SYMBOL_PREFIX)*_threadptr_*' $@
 		$(Q) $(POSTLINK)
 		@-$(MINIRUBY) -e 'ARGV.each{|link| File.delete link rescue nil; \
 						  File.symlink "$(LIBRUBY_SO)", link}' \
diff --git a/common.mk b/common.mk
index d99b4bc3db..0cc381d649 100644
--- a/common.mk
+++ b/common.mk
@@ -234,7 +234,7 @@ $(STATIC_RUBY)$(EXEEXT): $(MAINOBJ) $(DLDOBJS) $(EXTOBJS) $(LIBRUBY_A)
 
 ruby.imp: $(COMMONOBJS)
 	$(Q)$(NM) -Pgp $(COMMONOBJS) | \
-	awk 'BEGIN{print "#!"}; $$2~/^[BDT]$$/&&$$1!~/^(Init_|.*_threadptr_|\.)/{print $$1}' | \
+	awk 'BEGIN{print "#!"}; $$2~/^[BDT]$$/&&$$1!~/^(Init_|ruby_static_id_|.*_threadptr_|\.)/{print $$1}' | \
 	sort -u -o $@
 
 install: install-$(INSTALLDOC)
diff --git a/configure.in b/configure.in
index 45d8dd212b..3fe2a473c2 100644
--- a/configure.in
+++ b/configure.in
@@ -3516,6 +3516,7 @@ AS_CASE("$enable_shared", [yes], [
 	LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-compatibility_version $(ruby_version)'
 	if test "$visibility_option" = ld; then
 	    LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_Init_*'
+	    LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,_ruby_static_id_*'
 	    LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "'-Wl,-unexported_symbol,*_threadptr_*'
 	fi
 	LIBRUBY_DLDFLAGS="$LIBRUBY_DLDFLAGS "' $(XLDFLAGS)'
diff --git a/win32/mkexports.rb b/win32/mkexports.rb
index ab29fc1cfa..c3514f13ab 100755
--- a/win32/mkexports.rb
+++ b/win32/mkexports.rb
@@ -7,6 +7,8 @@ module RbConfig
 end
 
 class Exports
+  PrivateNames = /(?:Init_|ruby_static_id_|.*_threadptr_|DllMain\b)/
+
   @@subclass = []
   def self.inherited(klass)
     @@subclass << [/#{klass.name.sub(/.*::/, '').downcase}/i, klass]
@@ -116,7 +118,7 @@ class Exports::Mswin < Exports
           is_data = !$1
           if noprefix or /^[@_]/ =~ l
             next if /(?!^)@.*@/ =~ l || /@[[:xdigit:]]{8,32}$/ =~ l ||
-              /^_?(?:Init_|.*_threadptr_|DllMain\b)/ =~ l
+                    /^_?#{PrivateNames}/o =~ l
             l.sub!(/^[@_]/, '') if /@\d+$/ !~ l
           elsif !l.sub!(/^(\S+) \([^@?\`\']*\)$/, '\1')
             next
@@ -150,7 +152,7 @@ class Exports::Cygwin < Exports
   def each_export(objs)
     symprefix = RbConfig::CONFIG["SYMBOL_PREFIX"]
     symprefix.strip! if symprefix
-    re = /\s(?:(T)|[[:upper:]])\s#{symprefix}((?!Init_|.*_threadptr_|DllMain\b).*)$/
+    re = /\s(?:(T)|[[:upper:]])\s#{symprefix}((?!#{PrivateNames}).*)$/
     objdump(objs) do |l|
       next if /@.*@/ =~ l
       yield $2, !$1 if re =~ l