cryptsetup: add host variant

E.G. for generating dm-verity hashes or dm-crypt data at build time in a
post-image script.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/Config.in.host

@@ -6,6 +6,7 @@ menu "Host utilities"
 	source "package/checkpolicy/Config.in.host"
 	source "package/cmake/Config.in.host"
 	source "package/cramfs/Config.in.host"
+	source "package/cryptsetup/Config.in.host"
 	source "package/dfu-util/Config.in.host"
 	source "package/dos2unix/Config.in.host"
 	source "package/dosfstools/Config.in.host"

package/cryptsetup/Config.in.host

@@ -0,0 +1,8 @@
+config BR2_PACKAGE_HOST_CRYPTSETUP
+	bool "host-cryptsetup"
+	select BR2_PACKAGE_HOST_UTIL_LINUX
+	help
+	  This tool helps manipulate dm-crypt and luks partitions for
+	  on-disk encryption.
+
+	  https://gitlab.com/cryptsetup/cryptsetup

package/cryptsetup/cryptsetup.mk

@@ -28,4 +28,14 @@ else
 CRYPTSETUP_CONF_OPTS += --with-crypto_backend=kernel
 endif
 
+HOST_CRYPTSETUP_DEPENDENCIES = \
+	host-pkgconf \
+	host-lvm2 \
+	host-popt \
+	host-util-linux \
+	host-openssl
+
+HOST_CRYPTSETUP_CONF_OPTS = --with-crypto-backend=openssl
+
 $(eval $(autotools-package))
+$(eval $(host-autotools-package))