m4/jansson.m4

   1 #
   2 # lldp_CHECK_JANSSON
   3 #
   4
   5 AC_DEFUN([lldp_CHECK_JANSSON], [
   6  if test x"$with_json" = x"auto" -o x"$with_json" = x"jansson"; then
   7    PKG_CHECK_MODULES([JANSSON], [jansson >= 2], [
   8      AC_SUBST([JANSSON_LIBS])
   9      AC_SUBST([JANSSON_CFLAGS])
  10      AC_DEFINE_UNQUOTED([USE_JSON], 1, [Define to indicate to enable JSON support])
  11      AC_DEFINE_UNQUOTED([USE_JANSSON], 1, [Define to indicate to enable JSON support through jansson])
  12      with_json=jansson
  13    ],[
  14      if test x"$with_json" = x"jansson"; then
  15        AC_MSG_ERROR([*** unable to find libjansson])
  16      fi
  17      with_json=no
  18    ])
  19  fi
  20 ])