runtime-aware compiler 运行库编译器
In order to enable the 64-bit GCC compiler in SLES8, developers should ensure that their configure scripts and Makefiles are aware of this compiler.
为了在SLES8中可以使用64位编译器，开发者应该确保他们的配置脚本和Makefile文件可以识别出这个编译器。
However, it is important to be aware that JDK 5.0 is required only to compile and run the tests; you can still build your application code with your preferred compiler.
但是，您要知道 只有在编译和运行测试的时候才需要 JDK 5.0，所以您仍然可以用自己喜欢的编译器来构建应用程序。
Performance: Since the compiler is aware of the use of XML in a program, it can optimize the runtime representation, parsing, and XPath evaluation of XML.
性能：由于编绎器能够觉察在程序中使用了XML，所以它能够优化XML的运行时表示、解析和Path计算。
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