==> Creating clean working copy [build]...done
==> Making package: ruby-curb 0.8.5-2 (Tue Jan  5 09:11:27 EST 2016)
==> Retrieving sources...
  -> Found curb-0.8.5.gem
==> Validating source files with md5sums...
    curb-0.8.5.gem ... Passed
==> Making package: ruby-curb 0.8.5-2 (Tue Jan  5 09:11:30 EST 2016)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (2) libyaml-0.1.6-1  ruby-2.3.0-1

Total Download Size:    4.27 MiB
Total Installed Size:  20.06 MiB

:: Proceed with installation? [Y/n] 
:: Retrieving packages ...
downloading libyaml-0.1.6-1-armv7h.pkg.tar.xz...
downloading ruby-2.3.0-1-armv7h.pkg.tar.xz...
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
checking available disk space...
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
==> Retrieving sources...
  -> Found curb-0.8.5.gem
==> WARNING: Skipping verification of source file PGP signatures.
==> Validating source files with md5sums...
    curb-0.8.5.gem ... Passed
==> Extracting sources...
==> Entering fakeroot environment...
==> Starting package()...
Building native extensions.  This could take a while...
ERROR:  Error installing curb-0.8.5.gem:
	ERROR: Failed to build gem native extension.

    current directory: /build/ruby-curb/pkg/ruby-curb/usr/lib/ruby/gems/2.3.0/gems/curb-0.8.5/ext
/usr/bin/ruby -r ./siteconf20160105-156-st48i0.rb extconf.rb
checking for curl-config... yes
checking for curlinfo_appconnect_time... yes
checking for curlinfo_redirect_time... yes
checking for curlinfo_response_code... yes
checking for curlinfo_filetime... yes
checking for curlinfo_redirect_count... yes
checking for curlinfo_os_errno... yes
checking for curlinfo_num_connects... yes
checking for curlinfo_ftp_entry_path... yes
checking for curl_version_ssl... yes
checking for curl_version_libz... yes
checking for curl_version_ntlm... yes
checking for curl_version_gssnegotiate... yes
checking for curl_version_debug... yes
checking for curl_version_asynchdns... yes
checking for curl_version_spnego... yes
checking for curl_version_largefile... yes
checking for curl_version_idn... yes
checking for curl_version_sspi... yes
checking for curl_version_conv... yes
checking for curlproxy_http... yes
checking for curlproxy_socks4... yes
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checking for curlauth_digest... yes
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checking for curle_tftp_nosuchuser... yes
checking for curle_send_fail_rewind... yes
checking for curle_ssl_engine_initfailed... yes
checking for curle_login_denied... yes
checking for curlmopt_maxconnects... yes
checking for curlopt_seekfunction... yes
checking for curlopt_seekdata... yes
checking for curlopt_sockoptfunction... yes
checking for curlopt_sockoptdata... yes
checking for curlopt_opensocketfunction... yes
checking for curlopt_opensocketdata... yes
checking for curle_conv_failed... yes
checking for curle_conv_reqd... yes
checking for curle_ssl_cacert_badfile... yes
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checking for curle_ssh... yes
checking for curle_ssl_shutdown_failed... yes
checking for curle_again... yes
checking for curle_ssl_crl_badfile... yes
checking for curle_ssl_issuer_error... yes
checking for curlinfo_redirect_url... yes
checking for curlopt_username... yes
checking for curlopt_password... yes
checking for curlinfo_primary_ip... yes
checking for curlauth_digest_ie... yes
checking for curlftpmethod_multicwd... yes
checking for curlftpmethod_nocwd... yes
checking for curlftpmethod_singlecwd... yes
checking for curlm_bad_socket... yes
checking for curlm_unknown_option... yes
checking for curl_multi_timeout()... yes
checking for curl_multi_fdset()... yes
checking for curl_multi_perform()... yes
checking for curlopt_interleavefunction... yes
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checking for curlopt_errorbuffer... yes
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checking for curlopt_protocols... yes
checking for curlopt_redir_protocols... yes
checking for curlopt_proxy... yes
checking for curlopt_proxyport... yes
checking for curlopt_proxytype... yes
checking for curlopt_noproxy... yes
checking for curlopt_httpproxytunnel... yes
checking for curlopt_socks5_gssapi_service... yes
checking for curlopt_socks5_gssapi_nec... yes
checking for curlopt_interface... yes
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checking for curlopt_dns_cache_timeout... yes
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checking for curlopt_buffersize... yes
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checking for curl_netrc_optional... yes
checking for curl_netrc_ignored... yes
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checking for curlopt_netrc_file... yes
checking for curlopt_userpwd... yes
checking for curlopt_proxyuserpwd... yes
checking for curlopt_username... yes
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checking for curlopt_rtsp_request... yes
checking for curl_rtspreq_options... yes
checking for curl_rtspreq_describe... yes
checking for curl_rtspreq_announce... yes
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checking for curl_rtspreq_play... yes
checking for curl_rtspreq_pause... yes
checking for curl_rtspreq_teardown... yes
checking for curl_rtspreq_get_parameter... yes
checking for curl_rtspreq_set_parameter... yes
checking for curl_rtspreq_record... yes
checking for curl_rtspreq_receive... yes
checking for curlopt_rtsp_session_id... yes
checking for curlopt_rtsp_stream_uri... yes
checking for curlopt_rtsp_transport... yes
checking for curlopt_rtsp_header... no
checking for curlopt_rtsp_client_cseq... yes
checking for curlopt_rtsp_server_cseq... yes
checking for curlopt_transfertext... yes
checking for curlopt_proxy_transfer_mode... yes
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checking for curlopt_range... yes
checking for curlopt_resume_from... yes
checking for curlopt_resume_from_large... yes
checking for curlopt_customrequest... yes
checking for curlopt_filetime... yes
checking for curlopt_nobody... yes
checking for curlopt_infilesize... yes
checking for curlopt_infilesize_large... yes
checking for curlopt_upload... yes
checking for curlopt_maxfilesize... yes
checking for curlopt_maxfilesize_large... yes
checking for curlopt_timecondition... yes
checking for curlopt_timevalue... yes
checking for curlopt_timeout... yes
checking for curlopt_timeout_ms... yes
checking for curlopt_low_speed_limit... yes
checking for curlopt_low_speed_time... yes
checking for curlopt_max_send_speed_large... yes
checking for curlopt_max_recv_speed_large... yes
checking for curlopt_maxconnects... yes
checking for curlopt_closepolicy... yes
checking for curlopt_fresh_connect... yes
checking for curlopt_forbid_reuse... yes
checking for curlopt_connecttimeout... yes
checking for curlopt_connecttimeout_ms... yes
checking for curlopt_ipresolve... yes
checking for curl_ipresolve_whatever... yes
checking for curl_ipresolve_v4... yes
checking for curl_ipresolve_v6... yes
checking for curlopt_connect_only... yes
checking for curlopt_use_ssl... yes
checking for curlusessl_none... yes
checking for curlusessl_try... yes
checking for curlusessl_control... yes
checking for curlusessl_all... yes
checking for curlopt_resolve... yes
checking for curlopt_sslcert... yes
checking for curlopt_sslcerttype... yes
checking for curlopt_sslkey... yes
checking for curlopt_sslkeytype... yes
checking for curlopt_keypasswd... yes
checking for curlopt_sslengine... yes
checking for curlopt_sslengine_default... yes
checking for curlopt_sslversion... yes
checking for curl_sslversion_default... yes
checking for CURL_SSLVERSION_TLSv1... yes
checking for CURL_SSLVERSION_SSLv2... yes
checking for CURL_SSLVERSION_SSLv3... yes
checking for curlopt_ssl_verifypeer... yes
checking for curlopt_cainfo... yes
checking for curlopt_issuercert... yes
checking for curlopt_capath... yes
checking for curlopt_crlfile... yes
checking for curlopt_ssl_verifyhost... yes
checking for curlopt_certinfo... yes
checking for curlopt_random_file... yes
checking for curlopt_egdsocket... yes
checking for curlopt_ssl_cipher_list... yes
checking for curlopt_ssl_sessionid_cache... yes
checking for curlopt_krblevel... yes
checking for curlopt_ssh_auth_types... yes
checking for curlopt_ssh_host_public_key_md5... yes
checking for curlopt_ssh_public_keyfile... yes
checking for curlopt_ssh_private_keyfile... yes
checking for curlopt_ssh_knownhosts... yes
checking for curlopt_ssh_keyfunction... yes
checking for curlkhstat_fine_add_to_file... yes
checking for curlkhstat_fine... yes
checking for curlkhstat_reject... yes
checking for curlkhstat_defer... yes
checking for curlopt_ssh_keydata... yes
checking for curlopt_private... yes
checking for curlopt_share... yes
checking for curlopt_new_file_perms... yes
checking for curlopt_new_directory_perms... yes
checking for curlopt_telnetoptions... yes
checking for curle_not_built_in... yes
checking for curle_obsolete... yes
checking for curlopt_gssapi_delegation... yes
checking for curlgssapi_delegation_policy_flag... yes
checking for curlgssapi_delegation_flag... yes
checking for Ruby 1.9 Hash... no
checking for Ruby 1.9 st.h... yes
checking for curl_easy_escape... yes
checking for rb_thread_blocking_region()... no
creating curb_config.h
creating Makefile

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

  /build/ruby-curb/pkg/ruby-curb/usr/lib/ruby/gems/2.3.0/extensions/armv7l-linux/2.3.0/curb-0.8.5/mkmf.log

current directory: /build/ruby-curb/pkg/ruby-curb/usr/lib/ruby/gems/2.3.0/gems/curb-0.8.5/ext
make "DESTDIR=" clean

current directory: /build/ruby-curb/pkg/ruby-curb/usr/lib/ruby/gems/2.3.0/gems/curb-0.8.5/ext
make "DESTDIR="
compiling curb_multi.c
curb_multi.c: In function 'curl_multi_free':
curb_multi.c:67:31: warning: comparison of constant '4ul' with boolean expression is always false [-Wbool-compare]
   if (rbcm && !rbcm->requests == Qnil && rb_type(rbcm->requests) == T_HASH && RHASH_LEN(rbcm->requests) > 0) {
                               ^
curb_multi.c:67:31: warning: logical not is only applied to the left hand side of comparison [-Wlogical-not-parentheses]
In file included from curb_easy.h:10:0,
                 from curb_multi.c:14:
curb.h:44:27: warning: implicit declaration of function 'RHASH' [-Wimplicit-function-declaration]
   #define RHASH_LEN(hash) RHASH(hash)->tbl->num_entries
                           ^
curb_multi.c:67:79: note: in expansion of macro 'RHASH_LEN'
   if (rbcm && !rbcm->requests == Qnil && rb_type(rbcm->requests) == T_HASH && RHASH_LEN(rbcm->requests) > 0) {
                                                                               ^
curb.h:44:38: error: invalid type argument of '->' (have 'int')
   #define RHASH_LEN(hash) RHASH(hash)->tbl->num_entries
                                      ^
curb_multi.c:67:79: note: in expansion of macro 'RHASH_LEN'
   if (rbcm && !rbcm->requests == Qnil && rb_type(rbcm->requests) == T_HASH && RHASH_LEN(rbcm->requests) > 0) {
                                                                               ^
curb_multi.c: In function 'ruby_curl_multi_remove':
curb_multi.c:265:19: warning: variable 'rbce' set but not used [-Wunused-but-set-variable]
   ruby_curl_easy *rbce;
                   ^
curb_multi.c: In function 'ruby_curl_multi_perform':
curb_multi.c:581:12: warning: implicit declaration of function 'rb_thread_select' [-Wimplicit-function-declaration]
       rc = rb_thread_select(maxfd+1, &fdread, &fdwrite, &fdexcep, &tv);
            ^
Makefile:238: recipe for target 'curb_multi.o' failed
make: *** [curb_multi.o] Error 1

make failed, exit code 2

Gem files will remain installed in /build/ruby-curb/pkg/ruby-curb/usr/lib/ruby/gems/2.3.0/gems/curb-0.8.5 for inspection.
Results logged to /build/ruby-curb/pkg/ruby-curb/usr/lib/ruby/gems/2.3.0/extensions/armv7l-linux/2.3.0/curb-0.8.5/gem_make.out
==> ERROR: A failure occurred in package().
    Aborting...
==> Removing installed dependencies...
checking dependencies...

Packages (2) libyaml-0.1.6-1  ruby-2.3.0-1

Total Removed Size:  20.06 MiB

:: Do you want to remove these packages? [Y/n] 
removing ruby...
removing libyaml...
==> ERROR: Build failed, check /chroot/armv7/build/build