脚本 php artisan clearcompiled 处理 preupdatecmd 事件返回错误(Laravel 4.1 升级)

我最近try 从Laravel4.0升级到Laravel4.1，在运行php composer时出现以下错误.phar更新:

Script php artisan clear-compiled handling the pre-update-cmd event returned with an error



  [RuntimeException]  
  Error Output:       



update [--prefer-source] [--prefer-dist] [--dry-run] [--dev] [--no-dev] [--lock] [--no-plugins] [--no-custom-installers] [--no-scripts] [--no-progress] [--with-dependencies] [-v|vv|vvv|--verbose] [-o|--optimize-autoloader] [packages1] ... [packagesN]

我只要求:

"require": {
        "laravel/framework": "4.1.*",
        "way/generators": "2.*",
        "madewithlove/laravel-oauth2": "0.4.*"
    },

Also, I received this before the error (even though I am running php 5.4.10 in my environment):

phpseclib/phpseclib suggests installing ext-gmp (Install the GMP (GNU Multiple Precision) extension in order to speed up arbitrary precision integer arithmetic operations.)
phpseclib/phpseclib suggests installing pear-pear/PHP_Compat (Install PHP_Compat to get phpseclib working on PHP < 4.3.3.)
d11wtq/boris suggests installing ext-readline (*)
d11wtq/boris suggests installing ext-pcntl (*)
Writing lock file
Generating autoload files

EDIT:

在composer中使用的脚本.json:

"scripts": {
        "pre-install-cmd": [
            "php artisan clear-compiled"
        ],
        "post-install-cmd": [
            "php artisan optimize"
        ],
        "pre-update-cmd": [
            "php artisan clear-compiled"
        ],
        "post-update-cmd": [
            "php artisan optimize"
        ],
        "post-create-project-cmd": [
            "php artisan key:generate"
        ]
    },