libjava bootstrap failure on irix6.5

Rainer Orth ro@TechFak.Uni-Bielefeld.DE
Thu Feb 6 11:50:00 GMT 2003

"Billinghurst, David (CRTS)" <> writes:

> My overnight gcc trunk build on irix6.5 failed in libjava. I won't have time to follow
> up this week.  This just notes the failure for the record.
> CVS of:
>   Tue Feb  4 06:00:00 GMT 2003 passes
>   Wed Feb  5 06:09:08 GMT 2003 fails
> In between these runs I upgraded from Irix6.5.8 to irix6.5.18
> The failure is:
> /exd4/billingd/obj/gcc/gcc/xgcc -shared-libgcc -B/exd4/billingd/obj/gcc/gcc/ -nostdinc++ -L/exd4/billingd/obj/gcc/mips-sgi-irix6.5/mabi=64/libstdc++-v3/src -L/exd4/billingd/obj/gcc/mips-sgi-irix6.5/mabi=64/libstdc++-v3/src/.libs -B/exd4/billingd/tmp/gcc/mips-sgi-irix6.5/bin/ -B/exd4/billingd/tmp/gcc/mips-sgi-irix6.5/lib/ -isystem /exd4/billingd/tmp/gcc/mips-sgi-irix6.5/include -mabi=64 -DHAVE_CONFIG_H -I. -I/exd4/billingd/src/gcc/libjava -I./include -I./gcj -I/exd4/billingd/src/gcc/libjava -Iinclude -I/exd4/billingd/src/gcc/libjava/include -I/exd4/billingd/src/gcc/libjava/../boehm-gc/include -DNO_EXECUTE_PERMISSION=1 -DSILENT=1 -DNO_SIGNALS=1 -DNO_EXECUTE_PERMISSION=1 -DALL_INTERIOR_POINTERS=1 -DJAVA_FINALIZATION=1 -DGC_GCJ_SUPPORT=1 -DATOMIC_UNCOLLECTABLE=1 -I/exd4/billingd/src/gcc/libjava/libltdl -I/exd4/billingd/src/gcc/libjava/libltdl -I/exd4/billingd/src/gcc/libjava/.././libjava/../gcc -I/exd4/billingd/src/gcc/libjava/../zlib -I/exd4/billingd/src/gcc/libjava/../libffi!
/include -I../libffi/include -fno-rtti -fnon-call-exceptions -fdollars-in-identifiers -Wswitch-enum -W -Wall -D_GNU_SOURCE -DPREFIX=\"/exd4/billingd/tmp/gcc\" -g -O2 -mabi=64 -Wp,-MD,.deps/prims.pp -c /exd4/billingd/src/gcc/libjava/   -DPIC -o .libs/prims.o
> In file included from /exd4/billingd/src/gcc/libjava/
> include/platform.h: In function `int _Jv_accept(int, sockaddr*, socklen_t*)':
> include/platform.h:107: error: invalid conversion from `socklen_t*' to `int*'

I've tripped over the same problem some time ago, but didn't have time to
report or provide a fix.  The problem is that IRIX 6.5.17 and 6.5.18
introduced a definition of socklen_t in <sys/socket.h>.  libjava assumes
that if socklen_t is defined, it can be used e.g. as the type of accept's
last arg.  This is wrong here, since IRIX provides several different
definitions of accept, with differing types:

#if _NO_XOPEN4 && _NO_XOPEN5
/* Std BSD4.3/SGI */
extern int accept(int, void *, int *);

/* BB3.0 is XPG compliant but can't use hidden names */
extern int accept(int, struct sockaddr *, size_t *);

/* this is normal XPG */
extern int __xpg4_accept(int, struct sockaddr *, size_t *);

So socklen_t should match those, but doesn't, leading to the compilation
failure observed.  This is a known bug (Bug Id 864477), to be fixed in the
upcoming 6.5.19, but not for 6.5.1[78].

I meant to fix the current definition via fixincludes to read like this:

 * socklen_t type definition
#ifndef _SOCKLEN_T
#define _SOCKLEN_T
#if _NO_XOPEN4 && _NO_XOPEN5
typedef int socklen_t;
typedef size_t socklen_t;
#endif /* _NO_XOPEN4 && _NO_XOPEN5 */
#endif /*_SOCKLEN_T */

Unfortunately, I haven't found any time to do so.  I'll probably wait for
6.5.19 (to be released in a few days) to check their definition to make
sure I don't do anything incompatible for 6.5.1[78] and don't break 6.5.19


Rainer Orth, Faculty of Technology, Bielefeld University

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