https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=226976
Bug ID: 226976
Summary: math/rexx-regmath: fails to link with lld as system
linker
Product: Ports & Packages
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: Individual Port(s)
Assignee: freebsd-ports-bugs at FreeBSD.org
Reporter: emaste at freebsd.org
CC: bob at eager.cx
Blocks: 214864
CC: bob at eager.cx
Flags: maintainer-feedback?(bob at eager.cx)
I'm working on switching to LLVM's lld linker as the FreeBSD system linker
(/usr/bin/ld)[1], and the port in this PR is reported as a new failure in the
exp-run, PR 214864.
An excerpt from the build log[2]:
---
cc -O2 -pipe -Wno-incompatible-pointer-types -fstack-protector
-fno-strict-aliasing -g -pipe -fpic -I $HOME/regina -pipe -I/usr/local/include
-Wno-incompatible-pointer-types -c rexxmath.c -o rexxmath.o
ld -Bdynamic -Bshareable rexxmath.o -lm -o librexxmath.so
ld: error: unable to find library -lm
---
Known issues in this port or in lld that affect this port:
(2) lld has no built-in search paths (/lib, /usr/lib). Normally the linker is
invoked from the compiler driver, and the search paths are added by the
compiler. If lld is invoked directly library search paths must be specified
explicitly, with -L/lib -L/usr/lib.
FreeBSD 11 and later have lld available as /usr/bin/ld.lld, so one simple
option for testing is to just symlink /usr/bin/ld to ld.lld (and restore it to
ld.bfd).
A port Makefile knob, LLD_UNSAFE=yes, exists to indicate that a port does not
work with lld, and requires either /usr/bin/ld.bfd or binutils from ports. This
should work for the common case of ports written in C using GNU autoconf; it
may have no effect on other ports.
[1] https://lists.freebsd.org/pipermail/freebsd-current/2018-March/068985.html
[2]
http://package18.nyi.freebsd.org/data/headamd64PR214864-default/2018-03-21_17h43m11s/logs/errors/rexx-regmath-1.00.log
Referenced Bugs:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214864
[Bug 214864] [exp-run] test build with lld as /usr/bin/ld
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