configure: Detect and don't try to use older libcurl
Older versions of libcurl don't have some of the features we try to
use, in particular curl_multi_setopt(). Check for this in the 'is
libcurl available?' configure test so we disable curl support if the
library is too old.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
diff --git a/configure b/configure
index 663b557..c931ae8 100755
--- a/configure
+++ b/configure
@@ -1710,7 +1710,7 @@
if test "$curl" != "no" ; then
cat > $TMPC << EOF
#include <curl/curl.h>
-int main(void) { return curl_easy_init(); }
+int main(void) { curl_easy_init(); curl_multi_setopt(0, 0, 0); return 0; }
EOF
curl_cflags=`$curlconfig --cflags 2>/dev/null`
curl_libs=`$curlconfig --libs 2>/dev/null`
