m4/pdns_with_lua.m4

   1 AC_DEFUN([PDNS_WITH_LUA],[
   2   dnl Check for lua
   3   AC_ARG_WITH([lua],
   4     [AS_HELP_STRING([--with-lua], [build Lua Bindings @<:@default=auto@:>@])],
   5     [with_lua=$withval],
   6     [with_lua=auto])
   7
   8   AS_IF([test "x$with_lua" != "xno"],[
   9     AS_IF([test "x$with_lua" = "xyes" -o "x$with_lua" = "xauto"],
  10       [for LUAPC in lua5.3 lua-5.3 lua5.2 lua-5.2 lua5.1 lua-5.1 lua; do
  11          PKG_CHECK_MODULES([LUA], $LUAPC >= 5.1, [
  12            AC_DEFINE([HAVE_LUA], [1], [liblua])
  13            AC_DEFINE([HAVE_LUA_H], [1], [lua.h])
  14            with_lua=yes
  15          ], [LUAPC=""]) # otherwise pkg_check will fail
  16          if test "x$LUA_LIBS" != "x"; then break; fi
  17        done
  18       ],
  19       [LUAPC="$with_lua"
  20         PKG_CHECK_MODULES([LUA], $LUAPC >= 5.1, [
  21           AC_DEFINE([HAVE_LUA], [1], [liblua])
  22           AC_DEFINE([HAVE_LUA_H], [1], [lua.h])
  23           with_lua=yes
  24         ])
  25     ])
  26     AC_MSG_CHECKING([for chosen LUA])
  27     AS_IF([test "x$LUAPC" = "x"],
  28       AS_IF([test "x$with_lua" = "xyes"],
  29        AC_MSG_ERROR([cannot find lua]),
  30        AC_MSG_RESULT([not found])
  31       ), AC_MSG_RESULT([$LUAPC])
  32     )
  33   ])
  34   AM_CONDITIONAL([LUA], [test "x$with_lua" = "xyes"])
  35 ])