[ruby-dev:25107] Re: 拡張ライブラリへの共有ライブラリのPATHの埋め込み

なかだです。

At Wed, 8 Dec 2004 00:16:05 +0900,
Takahiro Kambe wrote in [ruby-dev:25105]:
> > enable と disable のどっちをデフォルトにするかが悩ましいとこ
> > ろではありますが。
> 明らかに disable なポリシーを持つプラットフォームについてデフォルトを
> disable, それ以外は enable とかできるでしょうか?
> 
> 基本的にELFな実行形式を使用しているシステムに共通する問題と思います。

全部まとめて、ELF環境ではデフォルトenableにしてみました。もしか
して、-Wl,-export-dynamicもELFに共通でしょうか。

* configure.in (enable_rpath): use rpath flag to embed the library
  path into extensions on ELF environment.  [ruby-dev:25035]


Index: configure.in
===================================================================
RCS file: /cvs/ruby/src/ruby/configure.in,v
retrieving revision 1.258
diff -U2 -p -d -r1.258 configure.in
--- configure.in	7 Dec 2004 06:44:42 -0000	1.258
+++ configure.in	7 Dec 2004 15:47:34 -0000
@@ -784,12 +784,4 @@ linux* | gnu* | k*bsd*-gnu)
 	LDFLAGS="$LDFLAGS -rdynamic"
     fi;;
-netbsd*|openbsd*)
-    if [[ "`$CC -dM -E - </dev/null | grep __ELF__`" != "" ]]
-    then
-	netbsd_elf=yes
-    else
-	netbsd_elf=no
-    fi
-    ;;
 esac
 LIBEXT=a
@@ -859,6 +851,9 @@ if test "$with_dln_a_out" != yes; then
 	osf*) 		: ${LDSHARED="ld -shared -expect_unresolved \"*\""}
 			rb_cv_dlopen=yes ;;
-	linux* | gnu* | k*bsd*-gnu)
-		 	: ${LDSHARED="$CC -shared"}
+	linux* | gnu* | k*bsd*-gnu | netbsd*)
+			: ${LDSHARED='${CC} -shared'}
+			if test "$rb_cv_binary_elf" = yes; then
+			    LDFLAGS="$LDFLAGS -Wl,-export-dynamic"
+			fi
 			rb_cv_dlopen=yes ;;
 	interix*) 	: ${LDSHARED="$CC -shared"}
@@ -874,11 +869,4 @@ if test "$with_dln_a_out" != yes; then
 			fi
 			rb_cv_dlopen=yes ;;
-	netbsd*)	: ${LDSHARED='${CC} -shared'}
-			if test "$rb_cv_binary_elf" = yes; then
-			    LDFLAGS="$LDFLAGS -Wl,-export-dynamic"
-			    LIBPATHFLAG=" -L'%1\$-s'"
-			    RPATHFLAG=" -Wl,-R'%1\$-s'"
-			fi
-			rb_cv_dlopen=yes ;;
 	openbsd*) 	: ${LDSHARED="\$(CC) -shared ${CCDLFLAGS}"}
 			if test "$rb_cv_binary_elf" = yes; then
@@ -951,4 +939,12 @@ if test "$with_dln_a_out" != yes; then
   esac
   AC_MSG_RESULT($rb_cv_dlopen)
+
+  AC_ARG_ENABLE(rpath,
+       [  --disable-rpath         embedd run path.],
+       [enable_rpath=$enableval], [enable_rpath="$rb_cv_binary_elf"])
+  if test "$enable_rpath" = yes; then
+    LIBPATHFLAG=" -L'%1\$-s'"
+    RPATHFLAG=" -Wl,-R'%1\$-s'"
+  fi
 fi
 AC_SUBST(LINK_SO)
@@ -1161,5 +1157,5 @@ if test "$enable_shared" = 'yes'; then
 	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_SO_NAME).so'
 	;;
-    linux* | gnu* | k*bsd*-gnu)
+    linux* | gnu* | k*bsd*-gnu | atheos*)
 	LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR)'
 	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_SO_NAME).so'
@@ -1177,5 +1173,4 @@ if test "$enable_shared" = 'yes'; then
 	LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR).$(TEENY)'
 	LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR)'
-	LIBRUBYARG_SHARED='-Wl,-R -Wl,${libdir} -L${libdir} -L. -l$(RUBY_SO_NAME)'
 	if test "$rb_cv_binary_elf" = yes; then # ELF platforms
 	   LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR)$(MINOR) lib$(RUBY_SO_NAME).so'
@@ -1189,4 +1184,12 @@ if test "$enable_shared" = 'yes'; then
 	;;
     solaris*)
+	SOLIBS='$(LIBS)'
+	LIBRUBY_SO='lib$(RUBY_SO_NAME).so.$(MAJOR)'
+	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR).$(TEENY) lib$(RUBY_SO_NAME).so'
+	if test "$GCC" = yes; then
+	    LIBRUBY_DLDFLAGS="$DLDFLAGS "'-Wl,-h,$(@F)'
+	else
+	    enable_rpath=no
+	fi
 	XLDFLAGS="$XLDFLAGS "'-R${libdir}'
  	;;
@@ -1220,8 +1223,4 @@ if test "$enable_shared" = 'yes'; then
 	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).$(MAJOR).$(MINOR).dylib lib$(RUBY_SO_NAME).dylib'
 	;;
-    atheos*)
-	LIBRUBY_DLDFLAGS='-Wl,-soname,lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR)'
-	LIBRUBY_ALIASES='lib$(RUBY_SO_NAME).so.$(MAJOR).$(MINOR) lib$(RUBY_SO_NAME).so'
-	;;
     interix*)
 	LIBRUBYARG_SHARED='-L${libdir} -L. -l$(RUBY_SO_NAME)'
@@ -1231,4 +1230,8 @@ if test "$enable_shared" = 'yes'; then
   esac
 fi
+if test "$enable_rpath" = yes; then
+    LIBRUBYARG_SHARED='-Wl,-R -Wl,$(libdir) -L$(libdir) -L. '"$LIBRUBYARG_SHARED"
+fi
+
 XLDFLAGS="$XLDFLAGS -L."
 AC_SUBST(ARCHFILE)
Index: runruby.rb
===================================================================
RCS file: /cvs/ruby/src/ruby/runruby.rb,v
retrieving revision 1.2
diff -U2 -p -d -r1.2 runruby.rb
--- runruby.rb	8 Apr 2004 10:45:19 -0000	1.2
+++ runruby.rb	7 Dec 2004 06:11:02 -0000
@@ -45,7 +45,12 @@ end
 ENV["RUBYLIB"] = $:.replace(libs).join(File::PATH_SEPARATOR)
 
-if File.file?(File.join(archdir, config['LIBRUBY_SO'])) and
-    e = config['LIBPATHENV'] and !e.empty?
-  ENV[e] = [abs_archdir, ENV[e]].compact.join(File::PATH_SEPARATOR)
+libruby_so = File.join(abs_archdir, config['LIBRUBY_SO'])
+if File.file?(libruby_so)
+  if e = config['LIBPATHENV'] and !e.empty?
+    ENV[e] = [abs_archdir, ENV[e]].compact.join(File::PATH_SEPARATOR)
+  end
+  if /linux/ =~ RUBY_PLATFORM
+    ENV["LD_PRELOAD"] = [libruby_so, ENV["LD_PRELOAD"]].compact.join(' ')
+  end
 end
 


-- 
--- 僕の前にBugはない。
--- 僕の後ろにBugはできる。
    中田 伸悦