diff --git a/tools/build/options/WITHOUT_BSD_GREP b/tools/build/options/WITHOUT_BSD_GREP
new file mode 100644
index 000000000000..b598d8aca012
--- /dev/null
+++ b/tools/build/options/WITHOUT_BSD_GREP
@@ -0,0 +1,2 @@
+.\" $FreeBSD$
+Install GNU grep as '[ef]grep' instead of BSD grep.
diff --git a/tools/build/options/WITH_GCOV b/tools/build/options/WITH_GCOV
new file mode 100644
index 000000000000..a9f3eb68a82b
--- /dev/null
+++ b/tools/build/options/WITH_GCOV
@@ -0,0 +1,4 @@
+.\" $FreeBSD$
+Build and install the GNU
+.Xr gcov 1
+tool.
diff --git a/tools/build/options/WITH_GNU_DIFF b/tools/build/options/WITH_GNU_DIFF
new file mode 100644
index 000000000000..3741e440a9ba
--- /dev/null
+++ b/tools/build/options/WITH_GNU_DIFF
@@ -0,0 +1,5 @@
+.\" $FreeBSD$
+Build and install GNU
+.Xr diff 1
+and
+.Xr diff3 1 .
diff --git a/tools/build/options/WITH_GNU_GREP b/tools/build/options/WITH_GNU_GREP
new file mode 100644
index 000000000000..1d19a7df092c
--- /dev/null
+++ b/tools/build/options/WITH_GNU_GREP
@@ -0,0 +1,3 @@
+.\" $FreeBSD$
+Build and install GNU
+.Xr grep 1 .
diff --git a/tools/build/options/WITH_SENDMAIL b/tools/build/options/WITH_SENDMAIL
new file mode 100644
index 000000000000..ca399c968fe1
--- /dev/null
+++ b/tools/build/options/WITH_SENDMAIL
@@ -0,0 +1,4 @@
+.\" $FreeBSD$
+Build and install
+.Xr sendmail 8
+and related programs.
diff --git a/tools/build/options/WITH_TCP_WRAPPERS b/tools/build/options/WITH_TCP_WRAPPERS
new file mode 100644
index 000000000000..8fd8e2aa6c56
--- /dev/null
+++ b/tools/build/options/WITH_TCP_WRAPPERS
@@ -0,0 +1,4 @@
+.\" $FreeBSD$
+Build and install
+.Xr tcpd 8 ,
+and related utilities.