Oct 5, 2008 · GCC or G++ just choose a different front-end with different default options. In a nutshell: if you use g++ the frontend will tell the linker that you may want to link with the C++ standard libraries. The gcc frontend won't do that (also it could link with them if you pass the right command line options).

Apr 6, 2015 · Your question is refering to gcc linker (or simply ld). Description can be found in in gcc's Options for Linking or ld's Command Line Options. From the documentation you get-larchive: Add archive file archive to the list of files to link. ld will search its path-list for occurrences of libarchive.a for every archive specified.

Nov 21, 2016 · We installed gcc 4.1, however, when it comes to compile time it is using all the includes, etc, from 3.4.6. How do we get around this? Any suggestions on using 4.1 for just this application?

By default, gcc selects the language based on the file extension, but you can force gcc to select a different language backend with the -x option thus: gcc -x c++ More options are detailed on the gcc man page under "Options controlling the kind of output". See e.g. gcc(1) - Linux man page (search on the page for the text -x language).

May 25, 2017 · In gcc man, you can find the following description of the -llibrary flag: Search the library named library when linking. (The second alternative with the library as a separate argument is only for POSIX compliance and is not recommended.)

Sep 13, 2013 · You certainly shouldn't include .o files in C source files, which would just be really weird, and gcc won't compile.o files, but your command line in your example would work fine if there was a main function in it. If you have one source file, then gcc -o main.o main.c -c, and then gcc main.o will just link and create your a.out executable. –

Jul 3, 2011 · The -Wl,xxx option for gcc passes a comma-separated list of tokens as a space-separated list of arguments to the linker. So. gcc -Wl,aaa,bbb,ccc eventually becomes a linker call. ld aaa bbb ccc In your case, you want to say "ld -rpath .", so you pass this to gcc as -Wl,-rpath,. Alternatively, you can specify repeat instances of -Wl:

I'm distributing a C++ program with a makefile for the Unix version, and I'm wondering what compiler options I should use to get the fastest possible code (it falls into the category of programs that can use all the computing power they can get and still come back for more), given that I don't know in advance what hardware, operating system or ...

Dec 12, 2022 · The Mingw binary installation instructions (such as these) tells me to change the PATH environment variable in Windows, in order to use the gcc/g++ etc commands anywhere. This might also be necessary for some programming IDE to find the compiler.

Nov 10, 2017 · In this dialog could be presented other packages besides gcc-core, this is some updates & you should leave it without changes (my own recommendation). But you must be sure that gcc-core is presented in change-list, than just press Next button & wait for ending of installation. PROFIT; That's all.