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      1 # Makefile that wraps the Gyp and build steps for Unix and Mac (but not Windows)
      2 # Uses "ninja" to build the code.
      3 #
      4 # Some usage examples (tested on both Linux and Mac):
      5 #
      6 #   # Clean everything
      7 #   make clean
      8 #
      9 #   # Build and run tests (in Debug mode)
     10 #   make tests
     11 #   out/Debug/tests
     12 #
     13 #   # Build and run tests (in Release mode)
     14 #   make tests BUILDTYPE=Release
     15 #   out/Release/tests
     16 #
     17 #   # Build bench and SampleApp (both in Release mode), and then run them
     18 #   make SampleApp bench BUILDTYPE=Release
     19 #   out/Release/bench -repeat 2
     20 #   out/Release/SampleApp
     21 #
     22 #   # Build all targets (in Debug mode)
     23 #   make
     24 #
     25 # If you want more fine-grained control, you can run gyp and then build the
     26 # gyp-generated projects yourself.
     27 #
     28 # See https://sites.google.com/site/skiadocs/ for complete documentation.
     29 
     30 SKIA_OUT ?= out
     31 BUILDTYPE ?= Debug
     32 CWD := $(shell pwd)
     33 
     34 # Soon we should be able to get rid of VALID_TARGETS, and just pass control
     35 # to the gyp-generated Makefile for *any* target name.
     36 # But that will be a bit complicated, so let's keep it for a future CL.
     37 # Tracked as https://code.google.com/p/skia/issues/detail?id=947 ('eliminate
     38 # need for VALID_TARGETS in toplevel Makefile')
     39 #
     40 # TODO(epoger): I'm not sure if the above comment is still valid in a ninja
     41 # world.
     42 VALID_TARGETS := \
     43                  bench \
     44                  debugger \
     45                  dm \
     46                  everything \
     47                  gm \
     48                  most \
     49                  pathops_unittest \
     50                  pdfviewer \
     51                  SampleApp \
     52                  SampleApp_APK \
     53                  skhello \
     54                  skia_lib \
     55                  skpskgr_test \
     56                  tests \
     57                  tools \
     58                  skpdiff
     59 
     60 # Default target.  This must be listed before all other targets.
     61 .PHONY: default
     62 default: most
     63 
     64 # As noted in http://code.google.com/p/skia/issues/detail?id=330 , building
     65 # multiple targets in parallel was failing.  The special .NOTPARALLEL target
     66 # tells gnu make not to run targets within this Makefile in parallel.
     67 # Targets that ninja builds at this Makefile's behest should not be affected.
     68 .NOTPARALLEL:
     69 
     70 uname := $(shell uname)
     71 ifneq (,$(findstring CYGWIN, $(uname)))
     72   $(error Cannot build using Make on Windows. See https://sites.google.com/site/skiadocs/user-documentation/quick-start-guides/windows)
     73 endif
     74 
     75 # If user requests "make all", chain to our explicitly-declared "everything"
     76 # target. See https://code.google.com/p/skia/issues/detail?id=932 ("gyp
     77 # automatically creates "all" target on some build flavors but not others")
     78 .PHONY: all
     79 all: everything
     80 
     81 .PHONY: clean
     82 clean:
     83 	rm -rf out xcodebuild
     84 ifneq (out, $(SKIA_OUT))
     85 	rm -rf $(SKIA_OUT)
     86 endif
     87 
     88 # Run gyp no matter what.
     89 .PHONY: gyp
     90 gyp:
     91 	$(CWD)/gyp_skia
     92 
     93 # For all specific targets: run gyp if necessary, and then pass control to
     94 # the gyp-generated buildfiles.
     95 .PHONY: $(VALID_TARGETS)
     96 $(VALID_TARGETS):: gyp
     97 	ninja -C $(SKIA_OUT)/$(BUILDTYPE) $@
     98