Index: lib/googletest/Makefile
===================================================================
--- lib/googletest/Makefile
+++ lib/googletest/Makefile
@@ -7,7 +7,7 @@
 SUBDIR+=		gmock_main
 SUBDIR+=		gtest_main
 
-SUBDIR.${MK_TESTS}+=	tests
+SUBDIR.${MK_GOOGLETEST_INTERNAL_TESTS}+=	tests
 
 SUBDIR_DEPEND_gtest_main=	gtest
 SUBDIR_DEPEND_gmock=	gtest
Index: share/man/man5/src.conf.5
===================================================================
--- share/man/man5/src.conf.5
+++ share/man/man5/src.conf.5
@@ -1,6 +1,6 @@
 .\" DO NOT EDIT-- this file is @generated by tools/build/options/makeman.
 .\" $FreeBSD$
-.Dd September 15, 2020
+.Dd October 13, 2020
 .Dt SRC.CONF 5
 .Os
 .Sh NAME
@@ -700,6 +700,10 @@
 .Pp
 This is a default setting on
 amd64/amd64, arm/armv6, arm/armv7, arm64/aarch64, i386/i386, powerpc/powerpc, powerpc/powerpc64, riscv/riscv64 and riscv/riscv64sf.
+.It Va WITH_GOOGLETEST_INTERNAL_TESTS
+Set to build and install the Googletest test suite in
+.Pa /usr/tests/lib/googletest .
+
 .It Va WITHOUT_GPIO
 Set to not build
 .Xr gpioctl 8
Index: share/mk/src.opts.mk
===================================================================
--- share/mk/src.opts.mk
+++ share/mk/src.opts.mk
@@ -208,6 +208,7 @@
     DTRACE_TESTS \
     EXPERIMENTAL \
     GNU_GREP_COMPAT \
+    GOOGLETEST_INTERNAL_TESTS \
     HESIOD \
     LIBSOFT \
     LOADER_FIREWIRE \
Index: tools/build/options/WITH_GOOGLETEST_INTERNAL_TESTS
===================================================================
--- /dev/null
+++ tools/build/options/WITH_GOOGLETEST_INTERNAL_TESTS
@@ -0,0 +1,3 @@
+.\" $FreeBSD$
+Set to build and install the Googletest test suite in
+.Pa /usr/tests/lib/googletest .