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https://stackoverflow.com/questions/14533836/large-file-support-not-working-in-c-programming
Jan 25, 2013 · Add the option -D_LARGE_FILE_SOURCE=1 to gcc compilation.. fseek64 is a C function. To make it available you'll have to define _FILE_OFFSET_BITS=64 before including the system headers. That will more or less define fseek to behave as actually fseek64.Or you could do it in the compiler arguments e.g. gcc -D_FILE_OFFSET_BITS=64, that you are already doing.
https://users.suse.com/~aj/linux_lfs.html
Large File Support in Linux. To support files larger than 2 GiB on 32-bit systems, e.g. x86, PowerPC and MIPS, a number of changes to kernel and C library had to be done. This is called Large File Support (LFS). The support for LFS should be complete now in Linux and this article should give a short overview of the current status.
https://sourceforge.net/p/mingw/mailman/message/14064517/
Hello, The Win32 API supports large files, i.e. > 2 gigabytes (the maximum value of an signed long). The POSIX'ish folks support this with a few standardized functions, off64_t, fopen64, ftello64, etc that use 64 bit integers to move around the file.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20366
A lot of applications test for _LARGE_FILES in the C library and will set it as a configuration option if supported. As far as straight C goes, there's no problem with gcc on AIX. But if _LARGE_FILES is set, the fact that g++ can't compile C++ applications using cstdio on AIX is …
http://www3.ntu.edu.sg/home/ehchua/programming/cpp/gcc_make.html
GCC (GNU Compiler Collection) A Brief History and Introduction to GCC. The original GNU C Compiler (GCC) is developed by Richard Stallman, the founder of the GNU Project.Richard Stallman founded the GNU project in 1984 to create a complete Unix-like operating system as free software, to promote freedom and cooperation among computer users and programmers.
https://www.wikihow.com/Compile-a-C-Program-Using-the-GNU-Compiler-(GCC)
Sep 05, 2019 · How to Compile a C Program Using the GNU Compiler (GCC). This wikiHow teaches you how to compile a C program from source code by using the GNU Compiler (GCC) for Linux and Minimalist Gnu (MinGW) for Windows. Open up a terminal window on...Views: 775K
https://www.unix.com/programming/26558-how-compile-c-program-using-gcc.html
Sorry Sanju but u have mixed up Unix file format ( aout , coff , elf and as86 ) with that of Windows. Compiling the file as u said (gcc -o file file.c) wont create file.exe but rather create an output file with the name 'file' only.
https://gcc.gnu.org/onlinedocs/gcc-9.1.0/gcc/Optimize-Options.html
Using the GNU Compiler Collection (GCC): Optimize Options. ... This option usually results in generation of faster and smaller code on machines with large register files (>= 32 registers), but it can slow the compiler down. ... Reordering is done by the linker so object file format must support named sections and linker must place them in a ...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=22388
(In reply to comment #1) > mingw runtime does not have struct stat64 or fstat64(), so this define is not > correct. Hmm - but I've successfully cross-compiled libstdc++ on Linux with this #define, and I'm 100% sure it made a difference - my cross-compiled program can now access large files under Windows, previously it couldn't.
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