package/dvb-apps: requires iconv

Use libiconv if the toolchain does not have locales.

Fixes (for example):
    http://autobuild.buildroot.net/results/c5776c95ac128f7c7eadc2fe746ad89f8c1ef49a

[Peter: fixup LDFLAGS for BR2_ENABLE_LOCALE=y builds]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/dvb-apps/Config.in

@@ -14,6 +14,7 @@ comment "dvb-apps utils needs LARGEFILE support in the toolchain"
 config BR2_PACKAGE_DVB_APPS_UTILS
 	bool "dvb-apps utilities"
 	depends on BR2_LARGEFILE
+	select BR2_PACKAGE_LIBICONV if !BR2_ENABLE_LOCALE
 	help
 	  A small number of DVB test and utility programs,
 	  including szap and dvbscan.

package/dvb-apps/dvb-apps.mk

@@ -20,10 +20,18 @@ DVB_APPS_LICENSE        = unknown (probably public domain)
 
 ifeq ($(BR2_PACKAGE_DVB_APPS_UTILS),y)
 # Utilitiess are selected, build and install everything
+
+DVB_APPS_LDFLAGS = $(TARGET_LDFLAGS)
+
+ifeq ($(BR2_ENABLE_LOCALE),)
+DVB_APPS_DEPENDENCIES    = libiconv
+DVB_APPS_LDFLAGS        += -liconv
+endif
+
 DVB_APPS_INSTALL_STAGING = YES
 
 define DVB_APPS_BUILD_CMDS
-	$(TARGET_CONFIGURE_OPTS) $(MAKE) -C $(@D) V=1
+	$(TARGET_CONFIGURE_OPTS) LDFLAGS="$(DVB_APPS_LDFLAGS)" $(MAKE) -C $(@D) V=1
 endef
 
 define DVB_APPS_INSTALL_STAGING_CMDS