为了成功地装载odbc驱动程序，Launch Services必须能够访问驱动程序所需的环境变量。

In order to load the ODBC driver successfully, the Launch Services facility must have access to the same environment variables the driver requires.

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一旦设定了BuildRoot，就可以使用RPM_BUILD_ROOT环境变量访问其值。

Once you set BuildRoot, you can access its value using the RPM_BUILD_ROOT environment variable.

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执行脚本包内定义的脚本时，WebSphere CloudBurst拥有对多个环境变量的访问权，表1展示了部分这样的变量。

When executing scripts defined within the script package, WebSphere CloudBurst has access to many predefined environment variables. Table 1 shows a subset of these.

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