Configure error when wanna compile php extension

[acidmc]

I'm writing myself a php extension.But when I configure as what i searched over web.There's a error like below:\[code\]creating libtoolappending configuration tag "CXX" to libtoolshtool:mkdir:Error: invalid number of arguments (at least 1 expected)shtool:mkdir:Hint: run `./build/shtool mkdir -h' or `man shtool' for detailsconfigure: creating ./config.statusconfig.status: creating config.hconfig.status: config.h is unchanged\[/code\]Below I paste on my extensions config.m4:\[code\]PHP_ARG_ENABLE(template_parser,whether to enable template_parser support,[--disable-template_parser, Disable template_parser support], yes)\[/code\]If anyone have come trough this error,please make a way for me out of this.Many thanks!