While I entirely support the idea of snapd no longer caring about gccgo,
this report does indicate a clear bug so I've uploaded a fix for dh-
golang to the SRU queue.
** Description changed:
- We see this kind of error in recent runs of snapd tests when using
- bionic updating gccgo 4:8.2.0-1ubuntu2.1 and current dh-golang 1.34.
+ [impact]
+ Packages that use gccgo-go to build fail to build. There aren't really any
such packages in Ubuntu today, but it's still a broken situation.
+
+ [test case]
+ $ apt source golang-petname
+ $ cd golang-petname-*/
+ $ sed -i -e 's/golang-go/gccgo-go/' debian/control
+ $ apt build-dep ./
+ $ dpkg-buildpackage
+
+ [regression potential]
+ It's just a small patch from Debian, so very slight. It's caused no problems
in Debian or cosmic.
+
+ [original description]
+ We see this kind of error in recent runs of snapd tests when using bionic
updating gccgo 4:8.2.0-1ubuntu2.1 and current dh-golang 1.34.
Can be run from snapd master checkout with:
spread -v -debug google:ubuntu-18.04-64:tests/unit/gccgo
with the proper configuration.
Error:
...
dh_makeshlibs -O--buildsystem=golang -O--fail-missing
-O--builddirectory=_build
dh_shlibdeps -O--buildsystem=golang -O--fail-missing
-O--builddirectory=_build
debian/rules override_dh_installdeb
make[1]: Entering directory '/home/gopath/src/github.com/snapcore/snapd'
dh_apparmor --profile-name=usr.lib.snapd.snap-confine.real -psnapd
dh_installdeb
make[1]: Leaving directory '/home/gopath/src/github.com/snapcore/snapd'
dh_golang -O--buildsystem=golang -O--fail-missing -O--builddirectory=_build
template: main:2:14: executing "main" at <index (or .GoFiles ....>: error
calling index: index out of range: 0
dh_golang: go list -f '\
{{ .Dir }}/{{ index (or .GoFiles .CgoFiles .TestGoFiles .XTestGoFiles
.IgnoredGoFiles) 0 }}' returned exit code 1
debian/rules:103: recipe for target 'binary' failed
make: *** [binary] Error 1
dpkg-buildpackage: error: fakeroot debian/rules binary subprocess returned
exit status 2
-----
These were passing until today.
Seems related/similar to https://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=907263
which mentions dh-golang 1.35 having a fix.
** Changed in: dh-golang (Ubuntu Bionic)
Status: Triaged => In Progress
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https://bugs.launchpad.net/bugs/1794936
Title:
new gccgo version update (4:8.2.0-1ubuntu2.1) is triggering dh-golang
<1.35 bug
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