+ AC_MSG_RESULT([found: $CURL_CONFIG])
+ fi
+
+ CURL_LIBS=`$CURL_CONFIG --libs`
+
+ AC_MSG_CHECKING([for SSL support in libcurl])
+ CURL_SSL=`$CURL_CONFIG --features | $EGREP SSL`
+ if test "$CURL_SSL" == "SSL"; then
+ AC_MSG_RESULT([yes])
+ AC_DEFINE([HTTP_HAVE_SSL], [1], [ ])
+
+ AC_MSG_CHECKING([for SSL library used])
+ CURL_SSL_FLAVOUR=
+ for i in $CURL_LIBS; do
+ if test "$i" == "-lssl"; then
+ CURL_SSL_FLAVOUR="openssl"
+ AC_MSG_RESULT([openssl])
+ AC_DEFINE([HTTP_HAVE_OPENSSL], [1], [ ])
+ AC_CHECK_HEADERS([openssl/crypto.h])
+ break
+ elif test "$i" == "-lgnutls"; then
+ CURL_SSL_FLAVOUR="gnutls"
+ AC_MSG_RESULT([gnutls])
+ AC_DEFINE([HTTP_HAVE_GNUTLS], [1], [ ])
+ AC_CHECK_HEADERS([gcrypt.h])
+ break
+ fi
+ done
+ if test -z "$CURL_SSL_FLAVOUR"; then
+ AC_MSG_RESULT([unknown!])
+ AC_MSG_WARN([Could not determine the type of SSL library used!])
+ AC_MSG_WARN([Building will fail in ZTS mode!])