configure.ac: update macros format, use AX_CHECK_COMPILE_FLAG instead of custom test

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32507 140774ce-b5e7-0310-ab8b-a85725594a96
Update libgcrypt autoconf macros from upstream

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32508 140774ce-b5e7-0310-ab8b-a85725594a96
Updated m4/libgcrypt.m4 to use $SED and $GREP instead of hardcoded names

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32509 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac some cleanup, refactoring, cosmetics

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32510 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: properly check for epoll support by macro from autoconf archive

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32511 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: change configure flag from '--disable-pipe' to '--enable-soketpair' with additional check options

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32514 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: W32 cleanup

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32515 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: simpler check for SOCK_NONBLOCK and print message for SOCK_NONBLOCK

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32516 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: disable SPDY by default on W32

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32517 140774ce-b5e7-0310-ab8b-a85725594a96
Update libcurl autoconf macros from upstream

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32518 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: refactoring libcurl tests

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32519 140774ce-b5e7-0310-ab8b-a85725594a96
rewritten configure tests for OpenSSL, use OpenSSL flags only where required, updated libmicrospdy build flags

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32520 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: update crypt libs detections, use crypt libs flags only where is required

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32521 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: fix test for PostProcessor, basic Auth, digest Auth for "--enable-xx=val" case

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32522 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: add --disable-doc and --disable-examples options

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32523 140774ce-b5e7-0310-ab8b-a85725594a96
configure.ac: updated tests for zzuf and socat for nice printing results

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32524 140774ce-b5e7-0310-ab8b-a85725594a96
Update ChangeLog

git-svn-id: https://gnunet.org/svn/libmicrohttpd@32525 140774ce-b5e7-0310-ab8b-a85725594a96