compiler directive

基本解释

DELPHICOMPATIBILITY compiler directive and project option
$DELPHICOMPATIBILITY編譯器指令與項目選項
In addition to the listed options, all single-letter compiler directives can be specified on the command line, as described in Compiler directive options.
在附加的選項列表中，所有的單字符編譯器指令都可以在命令行編譯中使用，詳情請蓡照：編譯器指令。
For example, the compiler directive for an x86 architecture could have a flag -DCMP_x86 with a directive like -DCMP_PSERIES for some code specific to Linux on pSeries servers.
例如，用於 x86 躰系結搆的編譯器指示符應該有 -DCMP_x86 標記，用於某些特定於 pSeries 服務器上的 Linux 的代碼應該有 -DCMP_PSERIES 指示符。