Merge pull request #10844 from haskell/wip/10797

Cabal/src/Distribution/Simple/ConfigureScript.hs

Cabal/src/Distribution/Simple/GHC/Internal.hs

Cabal/src/Distribution/Simple/Program.hs

Cabal/src/Distribution/Simple/Program/Builtin.hs

cabal-testsuite/PackageTests/ConfigureCXX/CHANGELOG.md

cabal-testsuite/PackageTests/ConfigureCXX/ConfigureCXX.cabal

cabal-testsuite/PackageTests/ConfigureCXX/Setup.hs

cabal-testsuite/PackageTests/ConfigureCXX/cabal.out

cabal-testsuite/PackageTests/ConfigureCXX/cabal.test.hs

cabal-testsuite/PackageTests/ConfigureCXX/configure

cabal-testsuite/PackageTests/ConfigureCXX/hello.c

cabal-testsuite/PackageTests/ConfigureCXX/hello.cpp

cabal-testsuite/PackageTests/ConfigureCXX/src/MyLib.hs

changelog.d/pr-10844.md

doc/cabal-package-description-file.rst