make/linux/makefiles/gcc.make

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@@ -42,11 +42,12 @@
 
 # check for precompiled headers support
 ifneq "$(shell expr \( $(CC_VER_MAJOR) \> 3 \) \| \( \( $(CC_VER_MAJOR) = 3 \) \& \( $(CC_VER_MINOR) \>= 4 \) \))" "0"
 USE_PRECOMPILED_HEADER=1
 PRECOMPILED_HEADER_DIR=.
-PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/incls/_precompiled.incl.gch
+PRECOMPILED_HEADER_SRC=$(GAMMADIR)/src/share/vm/precompiled.hpp
+PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
 endif
 
 
 #------------------------------------------------------------------------
 # Compiler flags

@@ -142,10 +143,15 @@
 # 6835796. Problem in GCC 4.3.0 with mulnode.o optimized compilation. 
 ifneq "$(shell expr \( \( $(CC_VER_MAJOR) = 4 \) \& \( $(CC_VER_MINOR) = 3 \) \))" "0"
 OPT_CFLAGS/mulnode.o += -O0
 endif
 
+# Flags for generating make dependency flags.
+ifneq ("${CC_VER_MAJOR}", "2")
+DEPFLAGS = -MMD -MP -MF $(DEP_DIR)/$(@:%=%.d)
+endif
+
 #------------------------------------------------------------------------
 # Linker flags
 
 # statically link libstdc++.so, work with gcc but ignored by g++
 STATIC_STDCXX = -Wl,-Bstatic -lstdc++ -Wl,-Bdynamic