this patch fixes gcc version detection for 4.2/4.3:

version strings:
gcc (GCC) 4.2.3 20080201 (release) (PLD-Linux)
gcc (PLD-Linux) 4.3.0

--- STLport-5.1.5/build/Makefiles/gmake/gcc.mak.orig	2008-03-06 20:36:20.000000000 +0100
+++ STLport-5.1.5/build/Makefiles/gmake/gcc.mak	2008-03-06 20:44:19.000000000 +0100
@@ -26,7 +26,7 @@
 else
 
 ifneq ($(OSNAME), windows)
-CXX_VERSION := $(shell ${CXX} --version | grep GCC | awk '{ print $$3; }')
+CXX_VERSION := $(shell ${CXX} --version | grep PLD | awk '{ print $$3; }')
 
 ifeq ($(CXX_VERSION),)
 # 2.95 report only version