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-rw-r--r--configure.ac1
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 761160d1a..5edbb6ca6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1111,6 +1111,7 @@ case "$LIBIDN" in
if test "x$idn" = "xyes"; then
curl_idn_msg="enabled"
+ AC_SUBST(IDN_ENABLED, [1])
dnl different versions of libidn have different setups of these:
AC_CHECK_FUNCS( idn_free idna_strerror tld_strerror)
AC_CHECK_HEADERS( idn-free.h tld.h )