--  While building package postgresql-libpq-0.9.3.1 using:
      C:\Users\User\AppData\Local\Temp\stack-c3273d4b90a6c0db\postgresql-libpq-0.9.3.1\.stack-work\dist\ca59d0ab\setup\setup --builddir=.stack-work\dist\ca59d0ab configure --user --package-db=clear --package-db=global --package-db=C:\sr\snapshots\44895ebc\pkgdb --libdir=C:\sr\snapshots\44895ebc\lib --bindir=C:\sr\snapshots\44895ebc\bin --datadir=C:\sr\snapshots\44895ebc\share --libexecdir=C:\sr\snapshots\44895ebc\libexec --sysconfdir=C:\sr\snapshots\44895ebc\etc --docdir=C:\sr\snapshots\44895ebc\doc\postgresql-libpq-0.9.3.1 --htmldir=C:\sr\snapshots\44895ebc\doc\postgresql-libpq-0.9.3.1 --haddockdir=C:\sr\snapshots\44895ebc\doc\postgresql-libpq-0.9.3.1 --dependency=base=base-4.9.1.0 --dependency=bytestring=bytestring-0.10.8.1 -f-use-pkg-config --extra-include-dirs=C:\Users\User\AppData\Local\Programs\stack\x86_64-windows\msys2-20180531\mingw64\include --extra-lib-dirs=C:\Users\User\AppData\Local\Programs\stack\x86_64-windows\msys2-20180531\mingw64\lib --extra-lib-dirs=C:\Users\User\AppData\Local\Programs\stack\x86_64-windows\msys2-20180531\mingw64\bin --exact-configuration
    Process exited with code: ExitFailure 1