D26751.id78489.diff
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	Index: lib/googletest/tests/Makefile.inc
	===================================================================
	--- lib/googletest/tests/Makefile.inc
	+++ lib/googletest/tests/Makefile.inc
	@@ -4,3 +4,15 @@
	# Keep the existing tests directory structure (with subdirs per component)
	# rather than installing all of them to /usr/tests/lib/googletest
	TESTSDIR= ${TESTSBASE}/lib/googletest/${.CURDIR:T}
	+
	+# Clang's optimizer spends a really long time on these tests at -O2. Changing
	+# -O2 to -O1 reduces the -j32 time for lib/googletest/test from 131s to 71s.
	+# Using -O0 further reduces the time to 29s, and also reduces the disk usage
	+# from 144MB (at -O2) / 92MB (at -O1) to 82MB, so we use -O0.
	+# Note: Building without debug info saves about 10-15% of the build time, so we
	+# only enable debug info if DEBUG_FLAGS is not empty (71s -> 64s at -O1 and -j32).
	+CFLAGS.clang+= -O0
	+.if empty(DEBUG_FLAGS)
	+MK_DEBUG_FILES:=no
	+CFLAGS.clang+= -g0
	+.endif