Update gyp files to guarantee proper recreation when changing deps

Makefile

Index: Makefile
diff --git a/Makefile b/Makefile
index 03d80131c779cabe4f4c1c2d68f9dc2fcbbfb644..e2edd5093c5266f5228e1c0b437f22905a13a46e 100644
--- a/Makefile
+++ b/Makefile
@@ -240,9 +240,15 @@ ANDROID_ARCHES = android_ia32 android_arm android_arm64 android_mipsel android_x
 NACL_ARCHES = nacl_ia32 nacl_x64
 
 # List of files that trigger Makefile regeneration:
-GYPFILES = build/all.gyp build/features.gypi build/standalone.gypi \
-           build/toolchain.gypi samples/samples.gyp src/d8.gyp \
-           test/cctest/cctest.gyp test/unittests/unittests.gyp tools/gyp/v8.gyp
+GYPFILES = third_party/icu/icu.gypi third_party/icu/icu.gyp \
+	   build/shim_headers.gypi build/features.gypi build/standalone.gypi \
+	   build/toolchain.gypi build/all.gyp build/mac/asan.gyp \
+	   build/android.gypi test/cctest/cctest.gyp \
+	   test/unittests/unittests.gyp tools/gyp/v8.gyp \
+	   tools/parser-shell.gyp testing/gmock.gyp testing/gtest.gyp \
+	   buildtools/third_party/libc++abi/libc++abi.gyp \
+	   buildtools/third_party/libc++/libc++.gyp samples/samples.gyp \
+	   src/third_party/vtune/v8vtune.gyp src/d8.gyp
 
 # If vtunejit=on, the v8vtune.gyp will be appended.
 ifeq ($(vtunejit), on)
@@ -421,6 +427,7 @@ $(OUT_MAKEFILES): $(GYPFILES) $(ENVFILE)
 	$(eval CXX_TARGET_ARCH:=$(shell $(CXX) -v 2>&1 | grep ^Target: | \
 	        cut -f 2 -d " " | cut -f 1 -d "-" ))
 	$(eval CXX_TARGET_ARCH:=$(subst aarch64,arm64,$(CXX_TARGET_ARCH)))
+	$(eval CXX_TARGET_ARCH:=$(subst x86_64,x64,$(CXX_TARGET_ARCH)))
 	$(eval V8_TARGET_ARCH:=$(subst .,,$(suffix $(basename $@))))
 	PYTHONPATH="$(shell pwd)/tools/generate_shim_headers:$(shell pwd)/build:$(PYTHONPATH):$(shell pwd)/build/gyp/pylib:$(PYTHONPATH)" \
 	GYP_GENERATORS=make \
@@ -469,6 +476,7 @@ $(ENVFILE).new:
 	$(eval CXX_TARGET_ARCH:=$(shell $(CXX) -v 2>&1 | grep ^Target: | \
 	        cut -f 2 -d " " | cut -f 1 -d "-" ))
 	$(eval CXX_TARGET_ARCH:=$(subst aarch64,arm64,$(CXX_TARGET_ARCH)))
+	$(eval CXX_TARGET_ARCH:=$(subst x86_64,x64,$(CXX_TARGET_ARCH)))
 	@mkdir -p $(OUTDIR); echo "GYPFLAGS=$(GYPFLAGS) -Dtarget_arch=$(CXX_TARGET_ARCH)" > $(ENVFILE).new;
 
 # Heap constants for grokdump.