Package: libdpkg-perl Version: 1.21.13 Severity: normal X-Debbugs-Cc: z...@debian.org
Given input `-flto=auto -flto=auto`, $bf->strip($flag, "-flto=auto") returns `-flto=auto`. However if given `-flto=auto -ffat-lto-objects -flto=auto`, it will return `-ffat-lto-objects`. (two -flto=auto are tripped) I read the code has `g` in regexp, so I think you want to strip duplicated flag. But the regexp pattern is bit buggy when two duplicated flags are together. Background: In dh-golang, I use $bf->strip to strip lto flags https://salsa.debian.org/go-team/packages/dh-golang/-/merge_requests/18 It works for a while in Debian. But I found Ubuntu still carries an LTO patch in the Go compiler. Then I wonder whether my dh-golang hack doesn't work for them. In Ubuntu, for unknown reason, their dpkg-buildflags gives a duplicated lto flags. `-flto=auto -ffat-lto-objects -flto=auto -ffat-lto-objects`. After $bf->strip($flag, "-ffat-lto-objects -flto=auto"), it becomes `-flto=auto`. Still one lto flag left...
