GCC (GNU Compiler Collection, GNU Compiler Suite) is a programming language compiler developed by GNU. It is free software released under the GPL license. Originally the official compiler for the GNU operating system, GCC has been adopted as the standard compiler by most Unix-like operating systems (such as Linux, BSD, Mac OS X, etc.), and GCC is also applicable to Microsoft Windows. GCC is a well-known example of the development of free software processes, published by the Free Software Foundation under the GPL.
1. GCC common compilation options
The first 5 are very common, the option '-V' has not been used, '-I dir' is used when writing Makefile.
The "-I dir" option adds a dir directory to the list of search paths in the header file. Since the header files in Linux are placed in the "/usr/include/" directory by default, when the user wants to add a header file placed in another location, it can be specified by the "-I dir" option, so that gcc is Will find the corresponding directory to the corresponding location.
For example: for example, there is a text.c, text.h file in the "/home/share/lesson1" directory, text.h is custom and #include in text.c
Correct command: gcc text.c -I /home/share/lesson1/ -o text This will perform the correct result
2. Library options
There are a lot of dynamic compilations and static compilations on the Internet. Personally, I don’t feel that I use them a lot. I have an impression when I have done it myself.
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