GCC 4.7源字符编码和执行字符编码string文字?

Linux / x86_64上的GCC 4.7是否具有默认字符编码,通过该编码validation并解码C源文件中string文字的内容? 这是可configuration的吗?

而且,当将string数据从string文字链接到输出的数据部分时,它是否具有默认的执行字符编码? 这是可configuration的吗?

在任何configuration中,都可能有一个与执行字符编码不同的源字符编码? (gcc会在字符编码之间进行转码吗?)

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我不知道这些选项实际上工作得如何(不使用atm;我仍然更喜欢把字符串字面值视为“仅ASCII”,因为本地化的字符串总是来自外部文件,所以它主要是格式化字符串或文件名),但是它们增加了像

-fexec-charset=charset Set the execution character set, used for string and character constants. The default is UTF-8. charset can be any encoding supported by the system's iconv library routine. -fwide-exec-charset=charset Set the wide execution character set, used for wide string and character constants. The default is UTF-32 or UTF-16, whichever corresponds to the width of wchar_t. As with -fexec-charset, charset can be any encoding supported by the system's iconv library routine; however, you will have problems with encodings that do not fit exactly in wchar_t. -finput-charset=charset Set the input character set, used for translation from the character set of the input file to the source character set used by GCC. If the locale does not specify, or GCC cannot get this information from the locale, the default is UTF-8. This can be overridden by either the locale or this command line option. Currently the command line option takes precedence if there's a conflict. charset can be any encoding supported by the system's iconv library routine.