make/linux/makefiles/gcc.make

*** 42,52 ****
  
  # 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
  endif
  
  
  #------------------------------------------------------------------------
  # Compiler flags
--- 42,53 ----
  
  # 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_SRC=$(GAMMADIR)/src/share/vm/precompiled.hpp
! PRECOMPILED_HEADER=$(PRECOMPILED_HEADER_DIR)/precompiled.hpp.gch
  endif
  
  
  #------------------------------------------------------------------------
  # Compiler flags
*** 142,151 ****
--- 143,157 ----
  # 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