[NaCl SDK] Remove newlib toolchain from the SDK

native_client_sdk/src/tools/nacl_gcc.mk

Index: native_client_sdk/src/tools/nacl_gcc.mk
diff --git a/native_client_sdk/src/tools/nacl_gcc.mk b/native_client_sdk/src/tools/nacl_gcc.mk
index d2c3f1346647e832fc6c2f9acf5b22058166b6e4..29a86023b1485f1d746a26f6505cddb07a42fcf0 100644
--- a/native_client_sdk/src/tools/nacl_gcc.mk
+++ b/native_client_sdk/src/tools/nacl_gcc.mk
@@ -526,9 +526,9 @@ endef
 
 
 #
-# Determine which executable to pass into the debugger.  For newlib
-# this is the NEXE which will actually be used.  For glibc, runnable-ld.so
-# is the "app", and the "app" is actual an .so we load.
+# Determine which executable to pass into the debugger.
+# For glibc, runnable-ld.so is the executable, and the "app" is an .so that
+# it loads.
 #
 ifeq (x86_32,$(SYSARCH))
 LIB_NAME = lib32
@@ -540,11 +540,7 @@ endif
 endif
 
 
-ifeq (newlib,$(TOOLCHAIN))
-GDB_DEBUG_TARGET = $(abspath $(OUTDIR))/$(TARGET)_$(SYSARCH).nexe
-else
 GDB_DEBUG_TARGET = $(abspath $(OUTDIR))/$(LIB_NAME)/runnable-ld.so
-endif
 
 ifdef STANDALONE
 run: all