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Re: [RFC] Make _FILE_OFFSET_BITS=64 default.
- From: Rich Felker <dalias at aerifal dot cx>
- To: Mike Frysinger <vapier at gentoo dot org>
- Cc: libc-alpha at sourceware dot org, OndÅej BÃlka <neleai at seznam dot cz>, Paul Eggert <eggert at cs dot ucla dot edu>, Denis Obrezkov <reprofy at etersoft dot ru>
- Date: Thu, 13 Mar 2014 05:20:57 -0400
- Subject: Re: [RFC] Make _FILE_OFFSET_BITS=64 default.
- Authentication-results: sourceware.org; auth=none
- References: <1393521776-1102-1-git-send-email-reprofy at etersoft dot ru> <20140305091331 dot GA6031 at domone dot podge> <5239512 dot EEmGNsN1rx at vapier> <26837730 dot jZzKCPMtpS at vapier>
On Thu, Mar 13, 2014 at 05:16:08AM -0400, Mike Frysinger wrote:
> diff --git a/io/Makefile b/io/Makefile
> index 8a6562e..77a1907 100644
> --- a/io/Makefile
> +++ b/io/Makefile
> @@ -99,7 +99,7 @@ CFLAGS-fallocate.c = -fexceptions
> CFLAGS-fallocate64.c = -fexceptions
> CFLAGS-sync_file_range.c = -fexceptions
>
> -CFLAGS-test-stat.c = -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
> +CFLAGS-test-stat.c = -U_FILE_OFFSET_BITS -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
If this happens to work, it's purely by chance/redundancy. -U
overrides all -D for the same identifier, even subsequent ones.
Rich