libstdc++.exp: Use global variable ld_library_path (not local) that is a lot more persistent...

        * lib/libstdc++.exp: Use global variable ld_library_path (not local)
	that is a lot more persistent; dejagnu-980528 needs this.
	* lib/libstdc++.exp (test_stdc++): Use regular expression " -lstdc.."
	to remove -lstdc++ arguments (not " -lstdc.*").

From-SVN: r20768

libstdc++/testsuite/ChangeLog

+Sun Jun 28 00:00:10 1998   Carlo Wood  <carlo@runaway.xs4all.nl>
+
+        * lib/libstdc++.exp: Use global variable ld_library_path (not local)
+	that is a lot more persistent; dejagnu-980528 needs this.
+	* lib/libstdc++.exp (test_stdc++): Use regular expression " -lstdc.."
+	to remove -lstdc++ arguments (not " -lstdc.*").
+
 Thu Dec 25 00:34:03 1997  Jeffrey A Law  (law@cygnus.com)
 
 	* lib/libstdc++.exp (test_libstdc++): Set LD_LIBRARY_PATH

libstdc++/testsuite/lib/libstdc++.exp

@@ -56,6 +56,7 @@ proc test_libstdc++ { options srcfile compile_args inpfile resultfile exec_args
     global LIBSTDCPP
     global srcdir subdir objdir
     global TOOL_OPTIONS
+    global ld_library_path
 
     if [info exists LIBSTDCPP] {
 	set libstdcpp $LIBSTDCPP;
@@ -81,15 +82,12 @@ proc test_libstdc++ { options srcfile compile_args inpfile resultfile exec_args
     regsub -all -- "-L" $libstdcpp "" ld_library_path
 
     # Then remove any -lstdc++ argument.
-    regsub -all -- " -lstdc.*" $ld_library_path "" ld_library_path
+    regsub -all -- " -lstdc.." $ld_library_path "" ld_library_path
 
     # That's enough to make things work for the normal case.
     # If we wanted to handle an arbitrary value of libstdcpp,
     # then we'd have to do a lot more work.
 
-    # Set variables the dynamic linker looks at.
-    setenv LD_LIBRARY_PATH $ld_library_path
-    setenv SHLIB_PATH $ld_library_path
     if { $compile_args != "" } {
 	lappend args "additional_flags=$compile_args"
     }