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* Improve libcurl detection.Werner Koch2013-08-061-1/+5
| | | | | | | | * m4/libcurl.m4: Do not use AC_PATH_PROG if --with-libcurl as been given. Suggested by John Marshall. -- GnuPG-bug-id: 1510
* Issue 1447: Pass proper Host header and SNI when SRV is used with curl.David Shaw2012-12-181-0/+9
| | | | | | | | | | | | * configure.ac: Check for inet_ntop. * m4/libcurl.m4: Provide a #define for the version of the curl library. * keyserver/gpgkeys_hkp.c (main, srv_replace): Call getaddrinfo() on each target. Once we find one that resolves to an address (whether IPv4 or IPv6), pass it into libcurl via CURLOPT_RESOLVE using the SRV name as the "host". Force the HTTP Host header to be the same.
* Fixed regression in libcurl.m4Werner Koch2011-09-121-1/+1
| | | | | Fixed lost hash sign introduced by previous change (2011-04-08). Reported by John Marshall.
* Fixed some autoconf bit rot.Werner Koch2011-08-041-7/+7
| | | | | | | Autoconf 2.68 is more picky about correct macro usage and thus I need to fix some wrong call conventions for AC_LANG_PROGRAM. Also factor out an m4 conditional construct from AC_INIT to avoid the "not a literal" warning.
* Missing m4 macrosDavid Shaw2006-08-271-0/+239