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https://stackoverflow.com/questions/14533836/large-file-support-not-working-in-c-programming
Jan 26, 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://stackoverflow.com/questions/965725/large-file-support-in-c
Unfortunately, Windows doesn't support this preprocessor symbol so you'll either have to handle it yourself, or rely on a library that provides cross-platform large file support. ACE is one such library (both POSIX based and Windows platforms - just define _FILE_OFFSET_BITS=64 in both cases).
--- Comment #7 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-9 branch has been updated by Jonathan Wakely <[email protected]>: ... Thu Jan 9 13:38:43 2020 +0000 Build filesystem library with large file support Enable AC_SYS_LARGEFILE to set the macros needed for large file APIs to be used by default. We do not want to ...
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=22388
BTW, your native mingw builds do have large file support, LFS only breaks if libstdc++ is cross-compiled. The rest of libstdc++ does not use fstat64(), only fstat() - I guess it relies on someone re#defing it to fstat64 (or, in fact, _fstati64).
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20366
G++ and libstdc++ on AIX currently is configured to enable _LARGE_FILE_API, but not _LARGE_FILES. _LARGE_FILE_API exposes the 64-bit functions with separate names off64_t and fopen64(), but does not redefine the original functions with their counterparts supporting 64-bit types.
https://www.linuxquestions.org/questions/linux-newbie-8/large-file-size-support-for-linux-268687/
Jan 11, 2005 · Large file size support for linux I have a problem with my htdig-database-file...the file eats up more than 2 Gigs harddisk, which is the natural file size limit on standard-linux distros. Now I heard about LFS(Large file size support) for linux...
http://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
1.3.4 Feature Test Macros. The exact set of features available when you compile a source file is controlled by which feature test macros you define.. If you compile your programs using ‘gcc -ansi’, you get only the ISO C library features, unless you explicitly request additional features by defining one or more of the feature macros. See GNU CC Command Options in The GNU CC Manual, for ...
http://tdm-gcc.tdragon.net/quirks
The TDM-GCC installer won't let you install both the SJLJ flavor and the DW2 flavor in the same location. However, you can merge the two installations on your own if you really want to, because the DW2 files either have "-dw2" tacked onto their names, or are stored in subdirectories with different names.
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