diff --git a/NEWS b/NEWS
index 94ac35fc..afea5829 100644
--- a/NEWS
+++ b/NEWS
@@ -1,5 +1,8 @@
 xbps-0.38 (???):
 
+ * xbps-uchroot(8) is now only built on linux, because it's not portable to other
+   Operating Systems.
+
  * Added support to replace virtual packages when the package to be installed
    matches a virtual pkgname, for example:
 
diff --git a/bin/Makefile b/bin/Makefile
index e4915a6d..e51be558 100644
--- a/bin/Makefile
+++ b/bin/Makefile
@@ -9,7 +9,10 @@ SUBDIRS +=	xbps-reconfigure
 SUBDIRS +=	xbps-remove
 SUBDIRS +=	xbps-rindex
 SUBDIRS +=	xbps-uhelper
-SUBDIRS +=	xbps-uchroot
 SUBDIRS +=	xbps-checkvers
 
+ifeq (${XBPS_OS},linux)
+SUBDIRS +=	xbps-uchroot
+endif
+
 include ../mk/subdir.mk
diff --git a/configure b/configure
index 38865792..22affaf5 100755
--- a/configure
+++ b/configure
@@ -140,6 +140,7 @@ echo "Configuring xbps for ... $OS"
 rm -f $CONFIG_MK
 echo "# Common vars used by XBPS on $OS." >$CONFIG_MK
 
+echo "XBPS_OS = $OS" >>$CONFIG_MK
 echo "VERSION = $VERSION" >>$CONFIG_MK
 echo "TOPDIR ?=	$TOPDIR" >>$CONFIG_MK
 echo "PREFIX ?=	$PREFIX" >>$CONFIG_MK