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當我嘗試在OS X Lion上安裝最新版本的Postgres gem時，會發生這種情況。在os上安裝pg 0.15.1時出錯x
$ gem install pg
Upgraded http://rubygems.org/ to HTTPS
Fetching: pg-0.15.1.gem (100%)
Building native extensions. This could take a while...
ERROR: Error installing pg:
ERROR: Failed to build gem native extension.
/.rvm/rubies/ruby-2.0.0-p0/bin/ruby extconf.rb
checking for pg_config... yes
Using config values from /Applications/Postgres.app/Contents/MacOS/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... no
checking for PGRES_SINGLE_TUPLE in libpq-fe.h... no
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
compiling gvl_wrappers.c
compiling pg.c
pg.c: In function ‘pg_s_library_version’:
pg.c:273: warning: implicit declaration of function ‘PQlibVersion’
pg.c: In function ‘Init_pg_ext’:
pg.c:384: error: ‘PQPING_OK’ undeclared (first use in this function)
pg.c:384: error: (Each undeclared identifier is reported only once
pg.c:384: error: for each function it appears in.)
pg.c:386: error: ‘PQPING_REJECT’ undeclared (first use in this function)
pg.c:388: error: ‘PQPING_NO_RESPONSE’ undeclared (first use in this function)
pg.c:390: error: ‘PQPING_NO_ATTEMPT’ undeclared (first use in this function)
make: *** [pg.o] Error 1
Gem files will remain installed in /.rvm/gems/[email protected]/gems/pg-0.15.1 for inspection.
Results logged to /.rvm/gems/[email protected]/gems/pg-0.15.1/ext/gem_make.out
我該如何解決這個問題？
你怎麼安裝PostgreSQL？我似乎想起使用安裝程序後遇到麻煩的人。您可能想嘗試重新安裝自制軟件。 – Tim 2013-04-10 00:29:10
我使用postgresapp.com上的安裝程序 – marcamillion 2013-04-10 01:24:37
可能的重複[嘗試在本地安裝rails for ruby的postgresql]（http://stackoverflow.com/questions/14702253/trying-to-setup-postgresql-for-ruby-on -rails-本地） – 2013-04-10 12:16:30