[FFmpeg-devel] [PATCH][RFC] -std=c99

Michael Niedermayer michaelni
Tue Aug 12 23:46:53 CEST 2008


On Tue, Aug 12, 2008 at 10:47:54PM +0200, Michael Niedermayer wrote:
> On Tue, Aug 12, 2008 at 08:56:12PM +0100, M?ns Rullg?rd wrote:
[...]
> > 
> > Most (all?) of the above-mentioned functions are POSIX standard, so
> > there should be no need for _BSD_SOURCE.  If anything does require
> > this, we should look for a POSIX alternative.
> 
> Ill try again with xopen and posix and without bsd

done, the following works for me too

lower values of _XOPEN_SOURCE fail with:
ffserver.c:4474: error: ?SA_RESTART? undeclared (first use in this function)

lower values of _POSIX_C_SOURCE fail with:
libavdevice/v4l.c:294: error: storage size of ?ts? isn?t known

Index: configure
===================================================================
--- configure	(revision 14508)
+++ configure	(working copy)
@@ -1827,6 +1827,7 @@
 check_cflags -Wwrite-strings
 check_cflags -Wtype-limits
 enabled extra_warnings && check_cflags -Winline
+check_cflags -std=c99 -fasm -D_POSIX_C_SOURCE=199309 -D_XOPEN_SOURCE=500
 
 # add some linker flags
 check_ldflags -Wl,--warn-common

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The worst form of inequality is to try to make unequal things equal.
-- Aristotle
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