1AC_DEFUN([PDNS_WITH_LIBSSL], [ 2 AC_MSG_CHECKING([whether we will be linking in OpenSSL libssl]) 3 HAVE_LIBSSL=0 4 AC_ARG_WITH([libssl], 5 AS_HELP_STRING([--with-libssl],[use OpenSSL libssl @<:@default=auto@:>@]), 6 [with_libssl=$withval], 7 [with_libssl=auto], 8 ) 9 AC_MSG_RESULT([$with_libssl]) 10 11 AS_IF([test "x$with_libssl" != "xno"], [ 12 AS_IF([test "x$with_libssl" = "xyes" -o "x$with_libssl" = "xauto"], [ 13 PKG_CHECK_MODULES([LIBSSL], [libssl], [ 14 [HAVE_LIBSSL=1] 15 AC_DEFINE([HAVE_LIBSSL], [1], [Define to 1 if you have OpenSSL libssl]) 16 save_CFLAGS=$CFLAGS 17 save_LIBS=$LIBS 18 CFLAGS="$LIBSSL_CFLAGS $CFLAGS" 19 LIBS="$LIBSSL_LIBS -lcrypto $LIBS" 20 AC_CHECK_FUNCS([SSL_CTX_set_ciphersuites OCSP_basic_sign SSL_CTX_set_num_tickets SSL_CTX_set_keylog_callback SSL_CTX_get0_privatekey SSL_CTX_set_min_proto_version SSL_set_hostflags]) 21 CFLAGS=$save_CFLAGS 22 LIBS=$save_LIBS 23 24 ], [ : ]) 25 ]) 26 ]) 27 AM_CONDITIONAL([HAVE_LIBSSL], [test "x$LIBSSL_LIBS" != "x"]) 28 AS_IF([test "x$with_libssl" = "xyes"], [ 29 AS_IF([test x"$LIBSSL_LIBS" = "x"], [ 30 AC_MSG_ERROR([OpenSSL libssl requested but libraries were not found]) 31 ]) 32 ]) 33]) 34