(address . bug-guix@gnu.org)
As of 44d70440944aa47e5f37493346e560f38907d777, Graphviz uses a bundled
copy of libltdl (GNU Libtool):
Toggle snippet (16 lines)
make[3]: Entering directory '/tmp/guix-build-graphviz-7.0.1.drv-0/graphviz-7.0.1/libltdl'
CC libltdlc_la-lt__alloc.lo
CC libltdlc_la-lt_dlloader.lo
CC libltdlc_la-ltdl.lo
CC libltdlc_la-lt_error.lo
CC libltdlc_la-slist.lo
CC lt__strl.lo
CC loaders/dlopen.lo
CC loaders/libltdlc_la-preopen.lo
CCLD dlopen.la
ar: `u' modifier ignored since `D' is the default (see `U')
CCLD libltdlc.la
ar: `u' modifier ignored since `D' is the default (see `U')
make[3]: Leaving directory '/tmp/guix-build-graphviz-7.0.1.drv-0/graphviz-7.0.1/libltdl'
We should make sure it uses our own copy instead.
Ludo’.