==> Creating clean working copy [build]...done
==> Making package: hack_library 1.0-3 (Sat Mar 25 16:14:53 EDT 2017)
==> Retrieving sources...
  -> Found hack_library.tar.gz
  -> Found gcc6.1.fixes.patch
==> Validating source files with sha512sums...
    hack_library.tar.gz ... Passed
    gcc6.1.fixes.patch ... Passed
==> Making package: hack_library 1.0-3 (Sat Mar 25 16:14:53 EDT 2017)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Found hack_library.tar.gz
  -> Found gcc6.1.fixes.patch
==> WARNING: Skipping verification of source file PGP signatures.
==> Validating source files with sha512sums...
    hack_library.tar.gz ... Passed
    gcc6.1.fixes.patch ... Passed
==> Extracting sources...
  -> Extracting hack_library.tar.gz with bsdtar
==> Starting prepare()...
patching file hack_library.c
==> Starting build()...
gcc -c hack_library.c
==> Entering fakeroot environment...
==> Starting package()...
==> Tidying install...
  -> Removing libtool files...
  -> Purging unwanted files...
  -> Removing static library files...
  -> Stripping unneeded symbols from binaries and libraries...
  -> Compressing man and info pages...
==> Checking for packaging issue...
==> Creating package "hack_library"...
  -> Generating .PKGINFO file...
  -> Generating .BUILDINFO file...
error: invalid option '--noprogressbar'
  -> Generating .MTREE file...
  -> Compressing package...
==> Leaving fakeroot environment.
==> Finished making: hack_library 1.0-3 (Sat Mar 25 16:14:55 EDT 2017)
==> Cleaning up...