Re: kern/54861: Possible wrong dependencies with MODULE and COMPAT_50

[Paul Goyette <paul%whooppee.com@localhost>]

The following reply was made to PR kern/54861; it has been noted by GNATS.

From: Paul Goyette <paul%whooppee.com@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/54861: Possible wrong dependencies with MODULE and COMPAT_50
Date: Wed, 15 Jan 2020 07:05:06 -0800 (PST)

 > #      link  MODULAR/netbsd
 > /s/src/obj.sun3/tooldir.NetBSD-9.0_RC1-i386/bin/m68k--netbsdelf-ld -Map netbsd.map --cref -N -Ttext 0E004000 -e start -S -o netbsd ${SYSTEM_OBJ:[@]:Nswapnetbsd.o} ${EXTRA_OBJ} vers.o swapnetbsd.o
 > /s/src/sys/arch/sun3/compile/obj.sun3/MODULAR/lib/compat/libcompat.o: In function `compat_14_rt_oifmsg':
 > (.text+0x2c1e): undefined reference to `compat_50_route_info'
 > /s/src/sys/arch/sun3/compile/obj.sun3/MODULAR/lib/compat/libcompat.o: In function `compat_14_rt_oifmsg':
 > (.text+0x2cf8): undefined reference to `compat_50_rt_msg1'
 > /s/src/sys/arch/sun3/compile/obj.sun3/MODULAR/lib/compat/libcompat.o: In function `compat_14_rt_oifmsg':
 > (.text+0x2d0a): undefined reference to `compat_50_route_enqueue'
 >
 > *** Failed target:  netbsd
 
 With a -current amdy4 build host, I get a slightly more informative
 error message:
 
 #      link  MODULAR/netbsd
 /build/netbsd-8/tools/x86_64/sun3/bin/m68k--netbsdelf-ld -Map netbsd.map --cref -N -Ttext 0E004000 -e start -X -o netbsd ${SYSTEM_OBJ:[@]:Nswapnetbsd.o} ${EXTRA_OBJ} vers.o swapnetbsd.o
 /build/netbsd-8/obj/sun3/sys/arch/sun3/compile/MODULAR/lib/compat/libcompat.o: In function `compat_14_rt_oifmsg':
 /build/netbsd-8/src/sys/compat/common/rtsock_14.c:99: undefined reference to `compat_50_route_info'
 /build/netbsd-8/src/sys/compat/common/rtsock_14.c:125: undefined reference to `compat_50_rt_msg1'
 /build/netbsd-8/src/sys/compat/common/rtsock_14.c:128: undefined reference to `compat_50_route_enqueue'
 *** [netbsd] Error code 1
 
 It is totally unclear to me why ld(1) includes the rtsock_14.o member
 from the libcompat.o library.  This object/member only defines two
 symbols, compat_14_iflist and compat_14_rt_oifmsg, and neither of these
 is referenced by any other object module.  A GENERIC (non-MODULAR)
 kernel does not include rtsock_14.o member.
 
 
 +--------------------+--------------------------+-----------------------+
 | Paul Goyette       | PGP Key fingerprint:     | E-mail addresses:     |
 | (Retired)          | FA29 0E3B 35AF E8AE 6651 | paul%whooppee.com@localhost     |
 | Software Developer | 0786 F758 55DE 53BA 7731 | pgoyette%netbsd.org@localhost   |
 +--------------------+--------------------------+-----------------------+