==> Creating clean working copy [build]...done
==> Making package: bettercap 1.5.1-1 (Sat Mar 19 07:50:13 EDT 2016)
==> Retrieving sources...
  -> Found bettercap-1.5.1.tar.gz
==> Validating source files with sha512sums...
    bettercap-1.5.1.tar.gz ... Passed
==> Making package: bettercap 1.5.1-1 (Sat Mar 19 07:50:14 EDT 2016)
==> Checking runtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (3) libyaml-0.1.6-1  ruby-2.3.0-2  ruby-bundler-1.11.2-1

Total Download Size:    4.75 MiB
Total Installed Size:  22.89 MiB

:: Proceed with installation? [Y/n] 
:: Retrieving packages...
downloading libyaml-0.1.6-1-armv6h.pkg.tar.xz...
downloading ruby-2.3.0-2-armv6h.pkg.tar.xz...
downloading ruby-bundler-1.11.2-1-any.pkg.tar.xz...
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
checking available disk space...
:: Processing package changes...
installing libyaml...
installing ruby...
The default location of gem installs is $HOME/.gem/ruby
Add the following line to your PATH if you plan to install using gem
$(ruby -rubygems -e "puts Gem.user_dir")/bin
If you want to install to the system wide location, you must either:
edit /etc/gemrc or run gem with the --no-user-install flag.
Optional dependencies for ruby
    ruby-docs: Ruby documentation
    tk: for Ruby/TK
installing ruby-bundler...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Found bettercap-1.5.1.tar.gz
==> WARNING: Skipping verification of source file PGP signatures.
==> Validating source files with sha512sums...
    bettercap-1.5.1.tar.gz ... Passed
==> Extracting sources...
  -> Extracting bettercap-1.5.1.tar.gz with bsdtar
==> Entering fakeroot environment...
==> Starting package()...
Don't run Bundler as root. Bundler can ask for sudo if it is needed, and
installing your bundle as root will break this application for all non-root
users on this machine.
Fetching gem metadata from https://rubygems.org/...........
Fetching version metadata from https://rubygems.org/...
Fetching dependency metadata from https://rubygems.org/..
Resolving dependencies...
Installing colorize 0.7.7
Installing eventmachine 1.2.0.1 (was 1.0.8) with native extensions
Installing net-dns 0.8.0
Installing network_interface 0.0.1 with native extensions
Installing pcaprub 0.12.1 with native extensions

Gem::Ext::BuildError: ERROR: Failed to build gem native extension.

    current directory: /build/bettercap/pkg/bettercap/usr/share/bettercap/vendor/bundle/ruby/2.3.0/gems/pcaprub-0.12.1/ext/pcaprub_c
/usr/bin/ruby -r ./siteconf20160319-364-q7bpo5.rb extconf.rb

[*] Running checks for pcaprub_c code...
platform is armv6l-linux-eabihf
checking for pcap_open_live() in -lpcap... no
checking for pcap_setnonblock() in -lpcap... no
creating Makefile

To see why this extension failed to compile, please check the mkmf.log which can be found here:

  /build/bettercap/pkg/bettercap/usr/share/bettercap/vendor/bundle/ruby/2.3.0/extensions/armv6l-linux/2.3.0/pcaprub-0.12.1/mkmf.log

current directory: /build/bettercap/pkg/bettercap/usr/share/bettercap/vendor/bundle/ruby/2.3.0/gems/pcaprub-0.12.1/ext/pcaprub_c
make "DESTDIR=" clean

current directory: /build/bettercap/pkg/bettercap/usr/share/bettercap/vendor/bundle/ruby/2.3.0/gems/pcaprub-0.12.1/ext/pcaprub_c
make "DESTDIR="
compiling pcaprub.c
pcaprub.c:8:18: fatal error: pcap.h: No such file or directory
compilation terminated.
Makefile:238: recipe for target 'pcaprub.o' failed
make: *** [pcaprub.o] Error 1

make failed, exit code 2

Gem files will remain installed in /build/bettercap/pkg/bettercap/usr/share/bettercap/vendor/bundle/ruby/2.3.0/gems/pcaprub-0.12.1 for inspection.
Results logged to /build/bettercap/pkg/bettercap/usr/share/bettercap/vendor/bundle/ruby/2.3.0/extensions/armv6l-linux/2.3.0/pcaprub-0.12.1/gem_make.out
Installing hitimes 1.2.3 with native extensions
Installing nio4r 1.2.1 (was 1.2.0) with native extensions
Using bundler 1.11.2
Installing em-proxy 0.1.8
An error occurred while installing pcaprub (0.12.1), and Bundler cannot
continue.
Make sure that `gem install pcaprub -v '0.12.1'` succeeds before bundling.
==> ERROR: A failure occurred in package().
    Aborting...
==> Removing installed dependencies...
checking dependencies...

Packages (3) libyaml-0.1.6-1  ruby-2.3.0-2  ruby-bundler-1.11.2-1

Total Removed Size:  22.89 MiB

:: Do you want to remove these packages? [Y/n] 
:: Processing package changes...
removing ruby-bundler...
removing ruby...
removing libyaml...
==> ERROR: Build failed, check /chroot/armv6/build/build