gem install pg error：无法理解Yosemite w / Ruby 2.1.5上的kern.osversion`14.0.0′
我使用RVM安装Ruby-2.1.5并再次运行bundle。 现在pg gem将无法安装，我收到此错误：
gem install pg -v '0.17.1' -- --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.3/bin/pg_config Building native extensions with: '--with-pg-config=/Applications/Postgres.app/Contents/Versions/9.3/bin/pg_config' This could take a while... ERROR: Error installing pg: ERROR: Failed to build gem native extension. /Users/diego/.rvm/rubies/ruby-2.1.5/bin/ruby -r ./siteconf20141120-33258-108chh6.rb extconf.rb --with-pg-config=/Applications/Postgres.app/Contents/Versions/9.3/bin/pg_config Using config values from /Applications/Postgres.app/Contents/Versions/9.3/bin/pg_config checking for libpq-fe.h... yes checking for libpq/libpq-fs.h... yes checking for pg_config_manual.h... yes checking for PQconnectdb() in -lpq... yes checking for PQconnectionUsedPassword()... yes checking for PQisthreadsafe()... yes checking for PQprepare()... yes checking for PQexecParams()... yes checking for PQescapeString()... yes checking for PQescapeStringConn()... yes checking for PQescapeLiteral()... yes checking for PQescapeIdentifier()... yes checking for PQgetCancel()... yes checking for lo_create()... yes checking for pg_encoding_to_char()... yes checking for pg_char_to_encoding()... yes checking for PQsetClientEncoding()... yes checking for PQlibVersion()... yes checking for PQping()... yes checking for PQsetSingleRowMode()... yes checking for rb_encdb_alias()... yes checking for rb_enc_alias()... yes checking for rb_thread_call_without_gvl()... yes checking for rb_thread_call_with_gvl()... yes checking for rb_thread_fd_select()... yes checking for rb_w32_wrap_io_handle()... no checking for PGRES_COPY_BOTH in libpq-fe.h... yes checking for PGRES_SINGLE_TUPLE in libpq-fe.h... yes checking for PG_DIAG_TABLE_NAME in libpq-fe.h... yes checking for struct pgNotify.extra in libpq-fe.h... yes checking for unistd.h... yes checking for ruby/st.h... yes creating extconf.h creating Makefile make "DESTDIR=" clean make "DESTDIR=" compiling gvl_wrappers.c compiling pg.c compiling pg_connection.c compiling pg_errors.c compiling pg_result.c linking shared-object pg_ext.bundle couldn't understand kern.osversion `14.0.0' ld: warning: directory not found for option '-L/Users/mpapis/.sm/pkg/active/lib' ld: -rpath can only be used when targeting Mac OS X 10.5 or later collect2: ld returned 1 exit status make: *** [pg_ext.bundle] Error 1 make failed, exit code 2 我已经通过App Store将XCode更新到6.1版。 我通过自制软件重新安装了gcc和applegcc-4.2。 我还重新安装了Postgres.app。 我在这里和这里尝试了建议的解决方案无济于事。
任何人都知道下一步该尝试什么？ 现在我只是回到Ruby-2.1.4，pg安装得很好。
如果在编译pg gem之前在环境中设置了MACOSX_DEPLOYMENT_TARGET=10.9 ，则共享对象链接应该可以正常工作。