==> Creating clean working copy [build]...done ==> Making package: ruby1.9-libv8 3.16.14.3-4 (Tue Jan 5 09:39:16 EST 2016) ==> Retrieving sources... -> Found libv8-3.16.14.3.gem ==> Validating source files with sha512sums... libv8-3.16.14.3.gem ... Passed ==> Making package: ruby1.9-libv8 3.16.14.3-4 (Tue Jan 5 09:39:17 EST 2016) ==> Checking runtime dependencies... ==> Installing missing dependencies... resolving dependencies... looking for conflicting packages... Packages (3) libyaml-0.1.6-1 python2-2.7.11-1 ruby1.9-1.9.3_p551-1 Total Download Size: 2.67 MiB Total Installed Size: 76.68 MiB :: Proceed with installation? [Y/n] :: Retrieving packages ... downloading ruby1.9-1.9.3_p551-1-armv6h.pkg.tar.xz... downloading ruby1.9-1.9.3_p551-1-armv6h.pkg.tar.xz... downloading ruby1.9-1.9.3_p551-1-armv6h.pkg.tar.xz... downloading ruby1.9-1.9.3_p551-1-armv6h.pkg.tar.xz... downloading ruby1.9-1.9.3_p551-1-armv6h.pkg.tar.xz... checking keyring... checking package integrity... loading package files... checking for file conflicts... checking available disk space... installing libyaml... installing ruby1.9... Optional dependencies for ruby1.9 tk: for Ruby/TK installing python2... Optional dependencies for python2 tk: for IDLE python2-setuptools python2-pip ==> Checking buildtime dependencies... ==> Retrieving sources... -> Found libv8-3.16.14.3.gem ==> WARNING: Skipping verification of source file PGP signatures. ==> Validating source files with sha512sums... libv8-3.16.14.3.gem ... Passed ==> Extracting sources... ==> Entering fakeroot environment... ==> Starting package()... Building native extensions. This could take a while... ERROR: Error installing libv8-3.16.14.3.gem: ERROR: Failed to build gem native extension. /usr/share/ruby1.9/bin/ruby-1.9 extconf.rb creating Makefile which: no python in (/usr/local/sbin:/usr/local/bin:/usr/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl) Compiling v8 for arm Using python 2.7.11 Using compiler: /usr/bin/g++ ../src/bignum.cc: In member function 'void v8::internal::Bignum::AssignDecimalString(v8::internal::Vector<const char>)': ../src/bignum.cc:103:6: error: assuming signed overflow does not occur when assuming that (X + c) < X is always false [-Werror=strict-overflow] void Bignum::AssignDecimalString(Vector<const char> value) { ^ cc1plus: all warnings being treated as errors make[1]: *** [/build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/vendor/v8/out/arm.release/obj.target/preparser_lib/src/bignum.o] Error 1 make: *** [arm.release] Error 2 /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/libv8/location.rb:36:in `block in verify_installation!': libv8 did not install properly, expected binary v8 archive '/build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/vendor/v8/out/arm.release/obj.target/tools/gyp/libv8_base.a'to exist, but it was not found (Libv8::Location::Vendor::ArchiveNotFound) from /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/libv8/location.rb:35:in `each' from /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/libv8/location.rb:35:in `verify_installation!' from /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/libv8/location.rb:26:in `install!' from extconf.rb:7:in `<main>' GYP_GENERATORS=make \ build/gyp/gyp --generator-output="out" build/all.gyp \ -Ibuild/standalone.gypi --depth=. \ -Dv8_target_arch=arm \ -S.arm -Dv8_enable_backtrace=1 -Dv8_can_use_vfp2_instructions=false -Dv8_can_use_vfp3_instructions=false -Dv8_use_arm_eabi_hardfloat=true make[1]: Entering directory '/build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/vendor/v8/out' CXX(target) /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/vendor/v8/out/arm.release/obj.target/preparser_lib/src/allocation.o CXX(target) /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/vendor/v8/out/arm.release/obj.target/preparser_lib/src/atomicops_internals_x86_gcc.o CXX(target) /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/vendor/v8/out/arm.release/obj.target/preparser_lib/src/bignum.o tools/gyp/preparser_lib.target.arm.mk:116: recipe for target '/build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/vendor/v8/out/arm.release/obj.target/preparser_lib/src/bignum.o' failed make[1]: Leaving directory '/build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/vendor/v8/out' Makefile:195: recipe for target 'arm.release' failed Gem files will remain installed in /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3 for inspection. Results logged to /build/ruby1.9-libv8/pkg/ruby1.9-libv8/usr/share/ruby1.9/lib/ruby/gems/1.9.1/gems/libv8-3.16.14.3/ext/libv8/gem_make.out ==> ERROR: A failure occurred in package(). Aborting... ==> Removing installed dependencies... checking dependencies... :: glib2 optionally requires python2: for gdbus-codegen and gtester-report Packages (3) libyaml-0.1.6-1 python2-2.7.11-1 ruby1.9-1.9.3_p551-1 Total Removed Size: 76.68 MiB :: Do you want to remove these packages? [Y/n] removing ruby1.9... removing python2... removing libyaml... ==> ERROR: Build failed, check /chroot/armv6/build/build