[Bug 2076148] Re: dh-clean issues warning about LTO optimize

Sebastien Bacher 2076148 at bugs.launchpad.net
Fri May 15 13:34:52 UTC 2026


** Tags removed: dcr-incoming

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Title:
  dh-clean issues warning about LTO optimize

Status in debhelper package in Ubuntu:
  Confirmed
Status in dh-golang package in Ubuntu:
  Triaged
Status in pollen package in Ubuntu:
  Invalid

Bug description:
  dh clean --builddirectory=_build --buildsystem=golang
     dh_auto_clean -O--builddirectory=_build -O--buildsystem=golang
  dh_auto_clean: warning: LTO optimize is enable in buildflags. But cgo doesn't support it. LTO flags will be stripped in cgo.
     dh_autoreconf_clean -O--builddirectory=_build -O--buildsystem=golang
     dh_clean -O--builddirectory=_build -O--buildsystem=golang
   dpkg-source -i -I.bzr -I.svn -I.git -b .

  Nothing in the source tree refers to LTO, so this is presumably
  something coming in from the build system itself.  It doesn't appear
  to generate any subsequent issues (at least, as far as I can detect).

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