unbound/dnstap/dnstap.m4

   1 # dnstap.m4
   2
   3 # dt_DNSTAP(default_dnstap_socket_path, [action-if-true], [action-if-false])
   4 # --------------------------------------------------------------------------
   5 # Check for required dnstap libraries and add dnstap configure args.
   6 AC_DEFUN([dt_DNSTAP],
   7 [
   8   AC_ARG_ENABLE([dnstap],
   9     AS_HELP_STRING([--enable-dnstap],
  10                    [Enable dnstap support (requires fstrm, protobuf-c)]),
  11     [opt_dnstap=$enableval], [opt_dnstap=no])
  12
  13   AC_ARG_WITH([dnstap-socket-path],
  14     AS_HELP_STRING([--with-dnstap-socket-path=pathname],
  15                    [set default dnstap socket path]),
  16     [opt_dnstap_socket_path=$withval], [opt_dnstap_socket_path="$1"])
  17
  18   if test "x$opt_dnstap" != "xno"; then
  19     AC_PATH_PROG([PROTOC_C], [protoc-c])
  20     if test -z "$PROTOC_C"; then
  21       AC_MSG_ERROR([The protoc-c program was not found. Please install protobuf-c!])
  22     fi
  23     AC_ARG_WITH([protobuf-c], AC_HELP_STRING([--with-protobuf-c=path],
  24         [Path where protobuf-c is installed, for dnstap]), [
  25           # workaround for protobuf-c includes at old dir before protobuf-c-1.0.0
  26           if test -f $withval/include/google/protobuf-c/protobuf-c.h; then
  27             CFLAGS="$CFLAGS -I$withval/include/google"
  28           else
  29             CFLAGS="$CFLAGS -I$withval/include"
  30           fi
  31           LDFLAGS="$LDFLAGS -L$withval/lib"
  32         ], [
  33           # workaround for protobuf-c includes at old dir before protobuf-c-1.0.0
  34           if test -f /usr/include/google/protobuf-c/protobuf-c.h; then
  35             CFLAGS="$CFLAGS -I/usr/include/google"
  36           else
  37             if test -f /usr/local/include/google/protobuf-c/protobuf-c.h; then
  38               CFLAGS="$CFLAGS -I/usr/local/include/google"
  39               LDFLAGS="$LDFLAGS -L/usr/local/lib"
  40             fi
  41           fi
  42     ])
  43     AC_ARG_WITH([libfstrm], AC_HELP_STRING([--with-libfstrm=path],
  44         [Path where libfstrm is installed, for dnstap]), [
  45         CFLAGS="$CFLAGS -I$withval/include"
  46         LDFLAGS="$LDFLAGS -L$withval/lib"
  47     ])
  48     AC_SEARCH_LIBS([fstrm_iothr_init], [fstrm], [],
  49       AC_MSG_ERROR([The fstrm library was not found. Please install fstrm!]))
  50     AC_SEARCH_LIBS([protobuf_c_message_pack], [protobuf-c], [],
  51       AC_MSG_ERROR([The protobuf-c library was not found. Please install protobuf-c!]))
  52     $2
  53   else
  54     $3
  55   fi
  56 ])