![]() ![]() ![]() Machine -gcc when cross-compiling, or machine -gcc- version to run a The usual way to run GCC is to run the executable called gcc, or Language, you can use that option with all supported languages. Options have multi-letter names therefore multiple single-letter The gcc program accepts options and file names as operands. Several options of the same kind for example, if you specify -L Options may not be grouped: -dv is very different from -d -v. More than once, the directories are searched in the order Also, the placement of the -l option is significant. This manual documents only one of these two These have both positive and negative forms the negative form of Many options have long names starting with -f or with -W-forĮxample, -fmove-loop-invariants, -Wformat and so on. Some options take one or more arguments typically separatedĮither by a space or by the equals sign ( =) from the option name. Unless documented otherwise, an argument can be either numeric orĪ string. Numeric arguments must typically be small unsignedĭecimal or hexadecimal integers. Hexadecimal arguments mustīegin with the 0x prefix. Kibibyte, respectively, "MB" and "MiB" for megabyte and mebibyte, Multiple of bytes such as "kB" and "KiB" for kilobyte and Hexadecimal integers followed by a byte size suffix designating a Size threshold of some sort may be arbitrarily large decimal or "GB" and "GiB" for gigabyte and gigibyte, and so on. ![]() SuchĪrguments are designated by byte-size in the following text. ![]()
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