Modify configure to link with the compiler driver under HP-UX when not using gcc. (#2519)

diff --git a/configure b/configure
index d026757..20d8095 100755
--- a/configure
+++ b/configure
@@ -9124,7 +9124,8 @@
 			LDSHARED='$(CC) -shared'
 			LDCXXSHARED='$(CXX) -shared'
 		else
-			LDSHARED='ld -b'
+			LDSHARED='$(CC) -b'
+			LDCXXSHARED='$(CXX) -shared'
 		fi ;;
 	Darwin/1.3*)
 		LDSHARED='$(CC) -bundle'
diff --git a/configure.ac b/configure.ac
index 68a95c3..828dadb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2442,7 +2442,8 @@
 			LDSHARED='$(CC) -shared'
 			LDCXXSHARED='$(CXX) -shared'
 		else
-			LDSHARED='ld -b'
+			LDSHARED='$(CC) -b'
+			LDCXXSHARED='$(CXX) -b'
 		fi ;;
 	Darwin/1.3*)
 		LDSHARED='$(CC) -bundle'