config-scripts/cups-dnssd.m4

   1 dnl
   2 dnl DNS Service Discovery (aka Bonjour) stuff for CUPS.
   3 dnl
   4 dnl Copyright © 2007-2019 by Apple Inc.
   5 dnl
   6 dnl Licensed under Apache License v2.0.  See the file "LICENSE" for more
   7 dnl information.
   8 dnl
   9
  10 AC_ARG_ENABLE(avahi, [  --disable-avahi         disable DNS Service Discovery support using Avahi])
  11 AC_ARG_ENABLE(dnssd, [  --disable-dnssd         disable DNS Service Discovery support using mDNSResponder])
  12 AC_ARG_WITH(dnssd-libs, [  --with-dnssd-libs       set directory for DNS Service Discovery library],
  13         LDFLAGS="-L$withval $LDFLAGS"
  14         DSOFLAGS="-L$withval $DSOFLAGS",)
  15 AC_ARG_WITH(dnssd-includes, [  --with-dnssd-includes   set directory for DNS Service Discovery includes],
  16         CFLAGS="-I$withval $CFLAGS"
  17         CPPFLAGS="-I$withval $CPPFLAGS",)
  18
  19 DNSSDLIBS=""
  20 DNSSD_BACKEND=""
  21 IPPFIND_BIN=""
  22 IPPFIND_MAN=""
  23
  24 if test "x$PKGCONFIG" != x -a x$enable_avahi != xno -a x$host_os_name != xdarwin; then
  25         AC_MSG_CHECKING(for Avahi)
  26         if $PKGCONFIG --exists avahi-client; then
  27                 AC_MSG_RESULT(yes)
  28                 CFLAGS="$CFLAGS `$PKGCONFIG --cflags avahi-client`"
  29                 DNSSDLIBS="`$PKGCONFIG --libs avahi-client`"
  30                 DNSSD_BACKEND="dnssd"
  31                 IPPFIND_BIN="ippfind"
  32                 IPPFIND_MAN="ippfind.\$(MAN1EXT)"
  33                 AC_DEFINE(HAVE_AVAHI)
  34         else
  35                 AC_MSG_RESULT(no)
  36         fi
  37 fi
  38
  39 if test "x$DNSSD_BACKEND" = x -a x$enable_dnssd != xno; then
  40         AC_CHECK_HEADER(dns_sd.h, [
  41                 case "$host_os_name" in
  42                         darwin*)
  43                                 # Darwin and macOS...
  44                                 AC_DEFINE(HAVE_DNSSD)
  45                                 DNSSD_BACKEND="dnssd"
  46                                 IPPFIND_BIN="ippfind"
  47                                 IPPFIND_MAN="ippfind.\$(MAN1EXT)"
  48                                 ;;
  49                         *)
  50                                 # All others...
  51                                 AC_MSG_CHECKING(for current version of dns_sd library)
  52                                 SAVELIBS="$LIBS"
  53                                 LIBS="$LIBS -ldns_sd"
  54                                 AC_TRY_COMPILE([#include <dns_sd.h>],
  55                                         [int constant = kDNSServiceFlagsShareConnection;
  56                                         unsigned char txtRecord[100];
  57                                         uint8_t valueLen;
  58                                         TXTRecordGetValuePtr(sizeof(txtRecord),
  59                                             txtRecord, "value", &valueLen);],
  60                                         AC_MSG_RESULT(yes)
  61                                         AC_DEFINE(HAVE_DNSSD)
  62                                         DNSSDLIBS="-ldns_sd"
  63                                         DNSSD_BACKEND="dnssd",
  64                                         IPPFIND_BIN="ippfind"
  65                                         IPPFIND_MAN="ippfind.\$(MAN1EXT)"
  66                                         AC_MSG_RESULT(no))
  67                                 LIBS="$SAVELIBS"
  68                                 ;;
  69                 esac
  70         ])
  71 fi
  72
  73 AC_SUBST(DNSSDLIBS)
  74 AC_SUBST(DNSSD_BACKEND)
  75 AC_SUBST(IPPFIND_BIN)
  76 AC_SUBST(IPPFIND_MAN)