[plasmid]

Error during build:

$ makepkg -s
==> Making package: calibre 2.31.0-1 (Thu Jun 25 14:14:43 UTC 2015)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Found calibre-2.31.0.tar.xz
==> Validating source files with md5sums...
    calibre-2.31.0.tar.xz ... Passed
==> Extracting sources...
  -> Extracting calibre-2.31.0.tar.xz with bsdtar
==> Starting prepare()...
==> Removing existing $pkgdir/ directory...
==> Starting build()...

*
* Running build
*


####### Building extension dukpy #######

####### Building extension hunspell #######

####### Building extension _regex #######

####### Building extension speedup #######

####### Building extension certgen #######

####### Building extension html #######

####### Building extension tokenizer #######

####### Building extension _patiencediff_c #######

####### Building extension icu #######

####### Building extension sqlite_custom #######

####### Building extension chmlib #######

####### Building extension chm_extra #######

####### Building extension magick #######

####### Building extension lzx #######

####### Building extension freetype #######

####### Building extension woff #######

####### Building extension msdes #######

####### Building extension cPalmdoc #######

####### Building extension bzzdec #######

####### Building extension matcher #######

####### Building extension podofo #######

####### Building extension pictureflow #######
rm -f libpictureflow.so
g++ -Wl,-O1,--sort-common,--as-needed,-z,relro -Wl,--version-script=pictureflow.exp -Wl,-O1 -shared -o libpictureflow.so pictureflow.o sippictureflowcmodule.o sippictureflowPictureFlow.o sippictureflowFlowImages.o moc_pictureflow.o  -lQt5Widgets -lQt5Gui -lQt5Core -lGLESv2 -lpthread  
/usr/bin/ld: cannot find -lGLESv2
collect2: error: ld returned 1 exit status
Makefile:176: recipe for target 'libpictureflow.so' failed
make: *** [libpictureflow.so] Error 1
Error while executing: make -j4

Traceback (most recent call last):
  File "setup.py", line 99, in <module>
    sys.exit(main())
  File "setup.py", line 85, in main
    command.run_all(opts)
  File "/home/plasmid/calibre/src/calibre-2.31.0/setup/__init__.py", line 181, in run_all
    self.run_cmd(self, opts)
  File "/home/plasmid/calibre/src/calibre-2.31.0/setup/__init__.py", line 178, in run_cmd
    cmd.run(opts)
  File "/home/plasmid/calibre/src/calibre-2.31.0/setup/extensions.py", line 428, in run
    self.build(ext, dest)
  File "/home/plasmid/calibre/src/calibre-2.31.0/setup/extensions.py", line 450, in build
    return self.build_pyqt_extension(ext, dest)
  File "/home/plasmid/calibre/src/calibre-2.31.0/setup/extensions.py", line 640, in build_pyqt_extension
    self.check_call([make]+([] if iswindows else ['-j%d'%(cpu_count or 1)]))
  File "/home/plasmid/calibre/src/calibre-2.31.0/setup/extensions.py", line 502, in check_call
    subprocess.check_call(*args, **kwargs)
  File "/usr/lib/python2.7/subprocess.py", line 540, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['make', '-j4']' returned non-zero exit status 2
==> ERROR: A failure occurred in build().
    Aborting...

Something related to PKGBUILD?