Merge "Remove code to start Goma compiler_proxy."

# Notice: this works only with Google's Goma build infrastructure.

ifneq ($(filter-out false,$(USE_GOMA)),)

  # Goma requires a lot of processes and file descriptors.

  # TODO(yyanagisawa): move these code to build/soong/uil/build/goma.go

  ifeq ($(shell echo $$(($$(ulimit -u) < 2500 || $$(ulimit -n) < 16000))),1)

    $(warning Max user processes and/or open files are insufficient)

    ifeq ($(shell uname),Darwin)

  else

    goma_dir := $(HOME)/goma

  endif

  goma_ctl := $(goma_dir)/goma_ctl.py

  GOMA_CC := $(goma_dir)/gomacc

  $(if $(wildcard $(goma_ctl)),, \

   $(warning You should have goma in $$GOMA_DIR or $(HOME)/goma) \

   $(error See go/ma/how-to-use-goma/how-to-use-goma-for-android for detail))

  # Append gomacc to existing *_WRAPPER variables so it's possible to

  # use both ccache and gomacc.

  CC_WRAPPER := $(strip $(CC_WRAPPER) $(GOMA_CC))

  CXX_WRAPPER := $(strip $(CXX_WRAPPER) $(GOMA_CC))

  JAVAC_WRAPPER := $(strip $(JAVAC_WRAPPER) $(GOMA_CC))

  # gomacc can start goma client's daemon process automatically, but

  # it is safer and faster to start up it beforehand. We run this as a

  # background process so this won't slow down the build.

  ifndef NOSTART_GOMA

    $(shell ( $(goma_ctl) ensure_start ) &> /dev/null &)

  endif

  goma_ctl :=

  goma_dir :=

endif