Hi, I'm neither an expert on Irix nor on FreeBSD. The "#if defined" code was taken directly from the manpage of semctl(2) on Linux. Maybe the manpage of semctl for Irix or FreeBSD offers help. If anyone knows a fix I'll be happy to integrate it.
The whole semctl() stuff is getting rather annoying - according to the docs, its not neccessary to pass the "union semun" argument at all if cmd is set to IPC_RMID. If it's not passed, however, Linux on PPC produces a segmentation fault, whereas Linux on x86 works fine. Even worse, this bug in the PPC libc library is known for almost two years ... (http://sources.redhat.com/ml/bug-glibc/2000-01/msg00102.html) Regards, Oliver > I just tried compiling sane-backends on Irix 6.2 and got the following > error: > > cc -c -g -DHAVE_CONFIG_H -I. -I. -I../include -I../include -D_GNU_SOURCE > -DPATH_SANE_CONFIG_DIR=/tmp/sane-bin/etc/sane.d > -DPATH_SANE_DATA_DIR=/tmp/sane-bin/share -DV_MAJOR=1 -DV_MINOR=0 > -DBACKEND_NAME=snapscan -DLIBDIR=/tmp/sane-bin/lib/sane snapscan.c -DPIC > -o .libs/snapscan.lo cfe: Error: ./snapscan-usb.c, line 63: redeclaration > of 'semun'; previous declaration at line 173 in file > '/usr/include/sys/sem.h' union semun { > ------^ > cfe: Error: ./snapscan-usb.c, line 64: Duplicate member 'val' > int val; > -------^ > cfe: Error: ./snapscan-usb.c, line 65: Duplicate member 'buf' > struct semid_ds *buf; > --------------------^ > cfe: Error: ./snapscan-usb.c, line 66: Duplicate member 'array' > unsigned short int *array; > -----------------------^ > gmake[1]: *** [snapscan.lo] Error 1 > gmake[1]: Leaving directory `/tmp/sane-backends-1.0.6-cvs/backend' > gmake: *** [all-recursive] Error 1 > > Looks like the test > > #if defined(__GNU_LIBRARY__) && !defined(_SEM_SEMUN_UNDEFINED) > > doesn't catch this. > > If it is really a bug, can this be fixed before release? As this stops > sane from working on Irix, the bug fix is allowed even after code > freeze.
