==> Creating clean working copy [build]...done
==> Making package: pngcheck 2.3.0-3 (Fri Mar 24 10:53:32 EDT 2017)
==> Retrieving sources...
  -> Found pngcheck-2.3.0.tar.gz
  -> Found makefile.patch
==> Validating source files with sha512sums...
    pngcheck-2.3.0.tar.gz ... Passed
    makefile.patch ... Passed
==> Making package: pngcheck 2.3.0-3 (Fri Mar 24 10:53:33 EDT 2017)
==> Checking runtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (1) libpng-1.6.28-1

Total Installed Size:  0.54 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
checking available disk space...
:: Processing package changes...
installing libpng...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Found pngcheck-2.3.0.tar.gz
  -> Found makefile.patch
==> WARNING: Skipping verification of source file PGP signatures.
==> Validating source files with sha512sums...
    pngcheck-2.3.0.tar.gz ... Passed
    makefile.patch ... Passed
==> Extracting sources...
  -> Extracting pngcheck-2.3.0.tar.gz with bsdtar
==> Starting prepare()...
patching file Makefile
==> Starting build()...
gcc -O -Wall  -DUSE_ZLIB -o pngcheck pngcheck.c -lz
pngcheck.c: In function 'pngcheck':
pngcheck.c:1432:13: warning: variable 'validtrans' set but not used [-Wunused-but-set-variable]
         int validtrans = 0;
             ^~~~~~~~~~
pngcheck.c:1026:7: warning: variable 'have_DHDR' set but not used [-Wunused-but-set-variable]
   int have_DHDR = 0, have_PLTE = 0;
       ^~~~~~~~~
pngcheck.c: In function 'check_ascii_float':
pngcheck.c:5002:7: warning: variable 'have_sign' set but not used [-Wunused-but-set-variable]
   int have_sign = 0, have_integer = 0, have_dot = 0, have_fraction = 0;
       ^~~~~~~~~
gcc -O -Wall  -DUSE_ZLIB -o pngsplit gpl/pngsplit.c -lz
gcc -O -Wall  -DUSE_ZLIB -o png-fix-IDAT-windowsize gpl/png-fix-IDAT-windowsize.c -lz
gpl/png-fix-IDAT-windowsize.c: In function 'png_fix_IDAT_windowsize':
gpl/png-fix-IDAT-windowsize.c:219:10: warning: variable 'csize' set but not used [-Wunused-but-set-variable]
     long csize, csize_orig;
          ^~~~~
gpl/png-fix-IDAT-windowsize.c:218:20: warning: variable 'numfilters' set but not used [-Wunused-but-set-variable]
     long chunklen, numfilters, ucsize;
                    ^~~~~~~~~~
gpl/png-fix-IDAT-windowsize.c:214:44: warning: variable 'filter_method' set but not used [-Wunused-but-set-variable]
     int depth, colortype, compress_method, filter_method, interlaced;
                                            ^~~~~~~~~~~~~
gpl/png-fix-IDAT-windowsize.c:214:27: warning: variable 'compress_method' set but not used [-Wunused-but-set-variable]
     int depth, colortype, compress_method, filter_method, interlaced;
                           ^~~~~~~~~~~~~~~
==> 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 "pngcheck"...
  -> Generating .PKGINFO file...
  -> Generating .BUILDINFO file...
error: invalid option '--noprogressbar'
  -> Generating .MTREE file...
  -> Compressing package...
==> Leaving fakeroot environment.
==> Finished making: pngcheck 2.3.0-3 (Fri Mar 24 10:53:36 EDT 2017)
==> Cleaning up...
==> Removing installed dependencies...
checking dependencies...

Packages (1) libpng-1.6.28-1

Total Removed Size:  0.54 MiB

:: Do you want to remove these packages? [Y/n] 
:: Processing package changes...
removing libpng...