[...]

equireProgram, called at libraries/Cabal/Cabal/Distribution/Simple/Configure.hs:1582:27 in Cabal-3.2.1.0:Distribution.Simple.Configure
  configureRequiredProgram, called at libraries/Cabal/Cabal/Distribution/Simple/Configure.hs:1526:10 in Cabal-3.2.1.0:Distribution.Simple.Configure
  configureRequiredPrograms, called at libraries/Cabal/Cabal/Distribution/Simple/Configure.hs:595:11 in Cabal-3.2.1.0:Distribution.Simple.Configure
  configure, called at libraries/Cabal/Cabal/Distribution/Simple.hs:625:20 in Cabal-3.2.1.0:Distribution.Simple
  confHook, called at libraries/Cabal/Cabal/Distribution/Simple/UserHooks.hs:65:5 in Cabal-3.2.1.0:Distribution.Simple.UserHooks
  configureAction, called at libraries/Cabal/Cabal/Distribution/Simple.hs:180:19 in Cabal-3.2.1.0:Distribution.Simple
  defaultMainHelper, called at libraries/Cabal/Cabal/Distribution/Simple.hs:116:27 in Cabal-3.2.1.0:Distribution.Simple
  defaultMain, called at Setup.hs:6:8 in main:Main
Setup.hs: The program 'happy' is required but it could not be found.
error: Bad exit status from /tmp/B.dsmgw9ld/BUILD/tmp/rpm-tmp.ZDzE1i (%build)
RPM build warnings:
    Could not canonicalize hostname: tld-x64
RPM build errors:
    Bad exit status from /tmp/B.dsmgw9ld/BUILD/tmp/rpm-tmp.ZDzE1i (%build)
ended at: Fri Jul 21 19:08:44 2023, done in 0:00:01.321371
error: No files produced.
+ chmod -R u+rwX /tmp/B.dsmgw9ld/BUILD
+ rm -rf /tmp/B.dsmgw9ld/tmp /tmp/B.dsmgw9ld/BUILD
+ rm -rf /tmp/B.dsmgw9ld
Begin-TLD-Builder-Info
Build-Time: user:3.53s sys:1.59s real:8.30s (faults io:18 non-io:473863)
End-TLD-Builder-Info