* Package:    dev-ruby/ruby-rsvg-2.2.3
 * Repository: gentoo
 * Maintainer: ruby@gentoo.org
 * USE:        abi_x86_64 amd64 elibc_glibc kernel_linux ruby_targets_ruby20 userland_GNU
 * FEATURES:   preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
 * Running unpack phase for all ...
>>> Unpacking ruby-gnome2-all-2.2.3.tar.gz to /var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/work/all
>>> Source unpacked in /var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/work
>>> Preparing source in /var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/work ...
 * Running prepare phase for all ...
 * Running source copy phase for ruby20 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/work ...
 * Running configure phase for ruby20 ...
checking for --enable-debug-build option... no
checking for -Wall option to compiler... yes
checking for -Waggregate-return option to compiler... yes
checking for -Wcast-align option to compiler... yes
checking for -Wextra option to compiler... yes
checking for -Wformat=2 option to compiler... yes
checking for -Winit-self option to compiler... yes
checking for -Wlarger-than-65500 option to compiler... yes
checking for -Wmissing-declarations option to compiler... yes
checking for -Wmissing-format-attribute option to compiler... yes
checking for -Wmissing-include-dirs option to compiler... yes
checking for -Wmissing-noreturn option to compiler... yes
checking for -Wmissing-prototypes option to compiler... yes
checking for -Wnested-externs option to compiler... yes
checking for -Wold-style-definition option to compiler... yes
checking for -Wpacked option to compiler... yes
checking for -Wp,-D_FORTIFY_SOURCE=2 option to compiler... no
checking for -Wpointer-arith option to compiler... yes
checking for -Wswitch-default option to compiler... yes
checking for -Wswitch-enum option to compiler... yes
checking for -Wundef option to compiler... yes
checking for -Wout-of-line-declaration option to compiler... no
checking for -Wunsafe-loop-optimizations option to compiler... yes
checking for -Wwrite-strings option to compiler... yes
checking for rb_define_alloc_func() in ruby.h... yes
checking for rb_block_proc() in ruby.h... yes
checking for new allocation framework... yes
checking for attribute assignment... no
checking for cairo... yes
checking for rb_cairo.h... no
*** /var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/work/ruby20/ruby-gnome2-all-2.2.3/rsvg2/ext/rsvg2/extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib64
	--with-make-prog
	--without-make-prog
	--srcdir=/var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/work/ruby20/ruby-gnome2-all-2.2.3/rsvg2/ext/rsvg2
	--curdir
	--ruby=/usr/bin/ruby20
	--enable-debug-build
	--disable-debug-build
	--with-pkg-config
	--without-pkg-config
	--with-override-variables
	--without-override-variables
*** extconf.rb failed ***
Could not create Makefile due to some reason, probably lack of necessary
libraries and/or headers.  Check the mkmf.log file for more details.  You may
need configuration options.

Provided configuration options:
	--with-opt-dir
	--without-opt-dir
	--with-opt-include
	--without-opt-include=${opt-dir}/include
	--with-opt-lib
	--without-opt-lib=${opt-dir}/lib64
	--with-make-prog
	--without-make-prog
	--srcdir=.
	--curdir
	--ruby=/usr/bin/ruby20
 * ERROR: dev-ruby/ruby-rsvg-2.2.3::gentoo failed (configure phase):
 *   extconf.rb failed
 * 
 * Call stack:
 *     ebuild.sh, line  133:  Called src_configure
 *   environment, line 4364:  Called ruby-ng_src_configure
 *   environment, line 4056:  Called _ruby_each_implementation 'each_ruby_configure'
 *   environment, line  427:  Called _ruby_invoke_environment 'ruby20' 'each_ruby_configure'
 *   environment, line  526:  Called each_ruby_configure
 *   environment, line  837:  Called die
 * The specific snippet of code:
 *       ${RUBY} extconf.rb || die "extconf.rb failed"
 * 
 * If you need support, post the output of `emerge --info '=dev-ruby/ruby-rsvg-2.2.3::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-ruby/ruby-rsvg-2.2.3::gentoo'`.
!!! When you file a bug report, please include the following information:
GENTOO_VM=  CLASSPATH="" JAVA_HOME="/etc/java-config-2/current-system-vm"
JAVACFLAGS="" COMPILER=""
and of course, the output of emerge --info =ruby-rsvg-2.2.3
 * The complete build log is located at '/var/log/portage/dev-ruby:ruby-rsvg-2.2.3:20160801-022448.log'.
 * For convenience, a symlink to the build log is located at '/var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/work/ruby20/ruby-gnome2-all-2.2.3/rsvg2'
 * S: '/var/tmp/portage/dev-ruby/ruby-rsvg-2.2.3/work/ruby20/ruby-gnome2-all-2.2.3/rsvg2'