lvm2: add option for application library

[Peter: make mutual exclusive with dmsetup-only, drop special install / make]
Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/lvm2/Config.in

@@ -21,5 +21,12 @@ config BR2_PACKAGE_LVM2_DMSETUP_ONLY
 	help
 	  Install dmsetup only and skip the LVM2 suite.
 
+config BR2_PACKAGE_LVM2_APP_LIBRARY
+	bool "install application library"
+	depends on BR2_PACKAGE_LVM2
+	depends on !BR2_PACKAGE_LVM2_DMSETUP_ONLY
+	help
+	  Install application library (liblvm2app).
+
 comment "lvm2 requires a toolchain with LARGEFILE support"
         depends on !BR2_LARGEFILE

package/lvm2/lvm2.mk

@@ -41,6 +41,12 @@ LVM2_INSTALL_STAGING_OPT = DESTDIR=$(STAGING_DIR) install_device-mapper
 LVM2_INSTALL_TARGET_OPT = DESTDIR=$(TARGET_DIR) install_device-mapper
 endif
 
+ifeq ($(BR2_PACKAGE_LVM2_APP_LIBRARY),y)
+LVM2_CONF_OPT += --enable-applib
+else
+LVM2_CONF_OPT += --disable-applib
+endif
+
 define LVM2_UNINSTALL_STAGING_CMDS
 	rm -f $(addprefix $(STAGING_DIR)/usr/sbin/,$(LVM2_BINS))
 	rm -f $(addprefix $(STAGING_DIR)/usr/lib/,libdevmapper.so*)