8348207: Linux PPC64 PCH build broken after JDK-8347909

Co-authored-by: Stefan Karlsson <[email protected]>
Reviewed-by: clanger, erikj, mdoerr

make/hotspot/lib/JvmOverrideFiles.gmk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2013, 2024, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2013, 2025, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -52,15 +52,23 @@ ifneq ($(FDLIBM_CFLAGS), )
 endif
 
 ifeq ($(call isTargetOs, linux), true)
-  BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := -DNO_PCH $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
-  BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := -DNO_PCH $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
+  BUILD_LIBJVM_sharedRuntimeTrig.cpp_CXXFLAGS := $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
+  BUILD_LIBJVM_sharedRuntimeTrans.cpp_CXXFLAGS := $(FDLIBM_CFLAGS) $(LIBJVM_FDLIBM_COPY_OPT_FLAG)
 
   ifeq ($(TOOLCHAIN_TYPE), clang)
     JVM_PRECOMPILED_HEADER_EXCLUDE := \
-	sharedRuntimeTrig.cpp \
-	sharedRuntimeTrans.cpp \
+        sharedRuntimeTrig.cpp \
+        sharedRuntimeTrans.cpp \
+        $(OPT_SPEED_SRC) \
+        #
+  endif
+
+  ifeq ($(call isTargetCpu, ppc64le)+$(TOOLCHAIN_TYPE), true+gcc)
+    JVM_PRECOMPILED_HEADER_EXCLUDE := \
+        sharedRuntimeTrig.cpp \
+        sharedRuntimeTrans.cpp \
         $(OPT_SPEED_SRC) \
-	#
+        #
   endif
 
   ifeq ($(call isTargetCpu, x86), true)