+if test "x$with_liblua" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $LUA_CFLAGS"
+
+ AC_CHECK_HEADERS([lua.h lauxlib.h lualib.h],
+ [with_liblua="yes"],
+ [with_liblua="no (header not found)"]
+ )
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+
+if test "x$with_liblua" = "xyes"
+then
+ SAVE_LIBS="$LIBS"
+ LIBS="$LIBS $LUA_LIBS"
+
+ AC_CHECK_FUNC([lua_settop],
+ [with_liblua="yes"],
+ [with_liblua="no (symbol 'lua_settop' not found)"]
+ )
+
+ LIBS="$SAVE_LIBS"
+fi
+
+if test "x$with_liblua" = "xyes"
+then
+ BUILD_WITH_LIBLUA_CFLAGS="$LUA_CFLAGS"
+ BUILD_WITH_LIBLUA_LIBS="$LUA_LIBS"
+fi
+AC_SUBST(BUILD_WITH_LIBLUA_CFLAGS)
+AC_SUBST(BUILD_WITH_LIBLUA_LIBS)
+# }}}
+
+# --with-liblvm2app {{{
+AC_ARG_WITH([liblvm2app],
+ [AS_HELP_STRING([--with-liblvm2app@<:@=PREFIX@:>@], [Path to liblvm2app.])],
+ [
+ if test "x$withval" = "xno"; then
+ with_liblvm2app="no"
+ else
+ with_liblvm2app="yes"
+ if test "x$withval" != "xyes"; then
+ with_liblvm2app_cppflags="-I$withval/include"
+ with_liblvm2app_ldflags="-L$withval/lib"
+ fi
+ fi
+ ],
+ [
+ if test "x$ac_system" = "xLinux"; then
+ with_liblvm2app="yes"
+ else
+ with_liblvm2app="no (Linux only library)"
+ fi
+ ]
+)
+
+if test "x$with_liblvm2app" = "xyes"; then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_liblvm2app_cppflags"
+
+ AC_CHECK_HEADERS([lvm2app.h],
+ [with_liblvm2app="yes"],
+ [with_liblvm2app="no (lvm2app.h not found)"]
+ )
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+
+if test "x$with_liblvm2app" = "xyes"; then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ SAVE_LDFLAGS="$LDFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_liblvm2app_cppflags"
+ LDFLAGS="$LDFLAGS $with_liblvm2app_ldflags"
+
+ AC_CHECK_LIB([lvm2app], [lvm_lv_get_property],
+ [with_liblvm2app="yes"],
+ [with_liblvm2app="no (Symbol 'lvm_lv_get_property' not found)"]
+ )
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+ LDFLAGS="$SAVE_LDFLAGS"
+fi
+
+if test "x$with_liblvm2app" = "xyes"; then
+ BUILD_WITH_LIBLVM2APP_CPPFLAGS="$with_liblvm2app_cppflags"
+ BUILD_WITH_LIBLVM2APP_LDFLAGS="$with_liblvm2app_ldflags"
+ BUILD_WITH_LIBLVM2APP_LIBS="-llvm2app"
+fi
+
+AC_SUBST([BUILD_WITH_LIBLVM2APP_CPPFLAGS])
+AC_SUBST([BUILD_WITH_LIBLVM2APP_LDFLAGS])
+AC_SUBST([BUILD_WITH_LIBLVM2APP_LIBS])
+# }}}
+
+# --with-libmemcached {{{
+AC_ARG_WITH([libmemcached],
+ [AS_HELP_STRING([--with-libmemcached@<:@=PREFIX@:>@], [Path to libmemcached.])],
+ [
+ if test "x$withval" != "xno" && test "x$withval" != "xyes"; then
+ with_libmemcached_cppflags="-I$withval/include"
+ with_libmemcached_ldflags="-L$withval/lib"
+ with_libmemcached="yes"
+ else
+ with_libmemcached="$withval"
+ fi
+ ],
+ [with_libmemcached="yes"]
+)
+
+if test "x$with_libmemcached" = "xyes"; then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_libmemcached_cppflags"
+
+ AC_CHECK_HEADERS([libmemcached/memcached.h],
+ [with_libmemcached="yes"],
+ [with_libmemcached="no (libmemcached/memcached.h not found)"]
+ )
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+
+if test "x$with_libmemcached" = "xyes"; then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ SAVE_LDFLAGS="$LDFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_libmemcached_cppflags"
+ LDFLAGS="$LDFLAGS $with_libmemcached_ldflags"
+
+ AC_CHECK_LIB([memcached], [memcached_create],
+ [with_libmemcached="yes"],
+ [with_libmemcached="no (Symbol 'memcached_create' not found)"]
+ )
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+ LDFLAGS="$SAVE_LDFLAGS"
+fi
+
+if test "x$with_libmemcached" = "xyes"; then
+ BUILD_WITH_LIBMEMCACHED_CPPFLAGS="$with_libmemcached_cppflags"
+ BUILD_WITH_LIBMEMCACHED_LDFLAGS="$with_libmemcached_ldflags"
+ BUILD_WITH_LIBMEMCACHED_LIBS="-lmemcached"
+fi
+
+AC_SUBST([BUILD_WITH_LIBMEMCACHED_CPPFLAGS])
+AC_SUBST([BUILD_WITH_LIBMEMCACHED_LDFLAGS])
+AC_SUBST([BUILD_WITH_LIBMEMCACHED_LIBS])
+# }}}
+
+# --with-libmicrohttpd {{{
+with_libmicrohttpd_cppflags=""
+with_libmicrohttpd_ldflags=""
+AC_ARG_WITH([libmicrohttpd], [AS_HELP_STRING([--with-libmicrohttpd@<:@=PREFIX@:>@], [Path to libmicrohttpd.])],
+ [
+ if test "x$withval" != "xno" && test "x$withval" != "xyes"; then
+ with_libmicrohttpd_cppflags="-I$withval/include"
+ with_libmicrohttpd_ldflags="-L$withval/lib"
+ with_libmicrohttpd="yes"
+ fi
+ if test "x$withval" = "xno"; then
+ with_libmicrohttpd="no (disabled on command line)"
+ fi
+ ],
+ [withval="yes"]
+)
+if test "x$withval" = "xyes"; then
+ PKG_CHECK_MODULES([MICROHTTPD], [libmicrohttpd],
+ [with_libmicrohttpd="yes"],
+ [with_libmicrohttpd="no (pkg-config could not find libmicrohttpd)"]
+ )
+fi
+
+if test "x$MICROHTTPD_LIBS" = "x"; then
+ MICROHTTPD_LIBS="-lmicrohttpd"
+fi