diff --git a/tools/build/options/WITHOUT_ICONV b/tools/build/options/WITHOUT_ICONV
new file mode 100644
index 00000000000..a43dd3a1691
--- /dev/null
+++ b/tools/build/options/WITHOUT_ICONV
@@ -0,0 +1,2 @@
+.\" $FreeBSD$
+Set to not build iconv as part of libc.
diff --git a/tools/build/options/WITH_ICONV b/tools/build/options/WITH_ICONV
deleted file mode 100644
index 7acbe44403f..00000000000
--- a/tools/build/options/WITH_ICONV
+++ /dev/null
@@ -1,2 +0,0 @@
-.\" $FreeBSD$
-Set to build iconv as part of libc.
diff --git a/tools/build/options/WITH_LIBICONV_COMPAT b/tools/build/options/WITH_LIBICONV_COMPAT
new file mode 100644
index 00000000000..f414798f672
--- /dev/null
+++ b/tools/build/options/WITH_LIBICONV_COMPAT
@@ -0,0 +1,2 @@
+.\" $FreeBSD$
+Set to build libiconv API and link time compatibility.
diff --git a/tools/build/options/WITH_USB_GADGET_EXAMPLES b/tools/build/options/WITH_USB_GADGET_EXAMPLES
new file mode 100644
index 00000000000..2ecbdb72c00
--- /dev/null
+++ b/tools/build/options/WITH_USB_GADGET_EXAMPLES
@@ -0,0 +1,2 @@
+.\" $FreeBSD$
+Set to build USB gadget kernel modules.