Do not use IRIX native compiler options such as -n32 when NS_USE_GCC is

defined.
Modified files: config/Makefile.in, pr/tests/Makefile.in

nsprpub/config/Makefile.in

@@ -75,9 +75,8 @@ endif
 ifeq ($(OS_ARCH), IRIX)
     ifeq ($(basename $(OS_RELEASE)),6)
 	    ifeq ($(USE_N32),1)
+		    ifndef NS_USE_GCC
 		    XLDOPTS += -n32 -Wl,-woff,85
-		    ifeq ($(OS_RELEASE), 6_2)
-			    XLDOPTS += -Wl,-woff,85
 		    endif
 	    else
 		    ifeq ($(USE_64),1)

nsprpub/pr/tests/Makefile.in

@@ -254,13 +254,18 @@ ifeq ($(OS_ARCH), IRIX)
     ifeq ($(USE_CPLUS), 1)
         CC = CC
     endif
-    LDOPTS += -rpath $(ABSOLUTE_LIB_DIR) -rdata_shared
+    LDOPTS += -rpath $(ABSOLUTE_LIB_DIR)
+    ifndef NS_USE_GCC
+        LDOPTS += -rdata_shared
+    endif
 # For 6.x machines, include this flag
     ifeq ($(basename $(OS_RELEASE)),6)
-        ifeq ($(USE_N32),1)
-            LDOPTS += -n32
-        else
-            LDOPTS += -32
+        ifndef NS_USE_GCC
+            ifeq ($(USE_N32),1)
+                LDOPTS += -n32
+            else
+                LDOPTS += -32
+            endif
         endif
 
         ifeq ($(USE_PTHREADS), 1)