jdk/make/common/Defs-linux.gmk

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@@ -192,11 +192,12 @@
 ifeq ($(FASTDEBUG), true)
   CFLAGS_DBG    += $(CC_OPT/$(FASTDEBUG_OPTIMIZATION_LEVEL))
   CXXFLAGS_DBG  += $(CC_OPT/$(FASTDEBUG_OPTIMIZATION_LEVEL))
 endif
 
-CPPFLAGS_COMMON = -D$(ARCH) -DARCH='"$(ARCH)"' -DLINUX $(VERSION_DEFINES) \
+CPPFLAGS_COMMON = -D_$(ARCH)_ $(if $(filter $(ARCH),alpha),,-D$(ARCH)) \
+                  -DARCH='"$(ARCH)"' -DLINUX $(VERSION_DEFINES) \
                   -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -D_REENTRANT
 
 ifeq ($(ARCH_DATA_MODEL), 64)
 CPPFLAGS_COMMON += -D_LP64=1
 endif