Package: libx11 Version: 2:1.4.99.901-1 Severity: serious Tags: help upstream X-Debbugs-Cc: Petr Salinger <Petr.Salinger@seznam.cz>, debian-bsd@lists.debian.org On Fri, Apr 20, 2012 at 22:38:20 +0200, Petr Salinger wrote: > Hi, > > >Xlib uses AC_CHECK_FUNC(issetugid) in configure.ac, and then > >#include <unistd.h> > >issetugid(); > >in the code. On Linux everything's fine because libc doesn't have that > >function. OTOH kfreebsd explodes with a missing prototype, see > >https://buildd.debian.org/status/fetch.php?pkg=libx11&arch=kfreebsd-amd64&ver=2%3A1.4.99.901-1&stamp=1334874367 > > > >Is that function defined somewhere on kfreebsd? If so, where? And > >shouldn't unistd.h pull that in? > > No, the prototype is not defined anywhere, > the function is available mainly for linking of old code. > > The key problem is that configure uses different set of CFLAGS > compared to real build: > > checking for issetugid... yes > > and > > error: implicit declaration of function 'issetugid' [-Werror=implicit-function-declaration] > OK. I guess this could be solved by adding AC_CHECK_DECL in addition to the existing AC_CHECK_FUNC and only using this function if both tests succeed. I'll gladly take a patch, otherwise it'll wait until I can get to this. Filing a bug for now... Thanks, Julien
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