configure: print iconv selection explanation

diff --git a/configure b/configure
index 645ec494f0ead68bdc670b0a187d2b51ed3fb2c7..9a5bfe4bc3fe0eb8314a5bf964b37522e05dcd12 100755 (executable)
--- a/configure
+++ b/configure
@@ -275,6 +275,12 @@ int test(void)
 }
 ' -liconv
 
+if enabled libiconv; then
+  printf "    ^ using external iconv library\n"
+else
+  printf "    ^ using build-in glibc iconv routines\n"
+fi
+
 if enabled_or_auto dvben50221; then
   check_cc_snippet libdvben50221 '
   #include <libdvben50221/en50221_session.h>