plan9port: Document how it fails on NetBSD/amd64

[Leonardo Taccari <leot%NetBSD.org@localhost>]

Module Name:	pkgsrc-wip
Committed By:	Leonardo Taccari <leot%NetBSD.org@localhost>
Pushed By:	leot
Date:		Tue Jul 7 20:59:39 2020 +0200
Changeset:	ed37d5d66e7c3a8f3342833f35342ade5095b437

Added Files:
	plan9port/TODO

Log Message:
plan9port: Document how it fails on NetBSD/amd64

(Probably worth to look to upstream pull request #355.)

To see a diff of this commit:
https://wip.pkgsrc.org/cgi-bin/gitweb.cgi?p=pkgsrc-wip.git;a=commitdiff;h=ed37d5d66e7c3a8f3342833f35342ade5095b437

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

diffstat:
 plan9port/TODO | 3 +++
 1 file changed, 3 insertions(+)

diffs:
diff --git a/plan9port/TODO b/plan9port/TODO
new file mode 100644
index 0000000000..601a165747
--- /dev/null
+++ b/plan9port/TODO
@@ -0,0 +1,3 @@
+On NetBSD/amd64 -current the build fails with:
+
+ >>> mk: don't know how to make '.../pkgsrc/wip/plan9port/work/plan9port-95ab1308b410ad8547e38e47ec4a36f560dcece5/lib/libthread.a(NetBSD-x86_64-asm.o)' in .../pkgsrc/wip/plan9port/work/plan9port-95ab1308b410ad8547e38e47ec4a36f560dcece5/src/libthread