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