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嘗試安裝pg gem時出現以下問題。我的操作系統是Ubuntu 12.10。我已經安裝了postgresql（通過postgres頁面的安裝程序）。我也做了libpq5和libpq-dev的apt-get安裝。這是錯誤：無法安裝pg gem
ERROR: Error installing pg:
ERROR: Failed to build gem native extension.
/home/sauronnikko/.rvm/rubies/ruby-1.9.3-p385/bin/ruby extconf.rb
checking for pg_config... yes
Using config values from /usr/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... no
checking for PQconnectdb() in -llibpq... no
checking for PQconnectdb() in -lms/libpq... no
Can't find the PostgreSQL client library (libpq)
*** 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
--with-opt-include
--without-opt-include=${opt-dir}/include
--with-opt-lib
--without-opt-lib=${opt-dir}/lib
--with-make-prog
--without-make-prog
--srcdir=.
--curdir
--ruby=/home/sauronnikko/.rvm/rubies/ruby-1.9.3-p385/bin/ruby
--with-pg
--without-pg
--with-pg-dir
--without-pg-dir
--with-pg-include
--without-pg-include=${pg-dir}/include
--with-pg-lib
--without-pg-lib=${pg-dir}/lib
--with-pg-config
--without-pg-config
--with-pg_config
--without-pg_config
--with-pqlib
--without-pqlib
--with-libpqlib
--without-libpqlib
--with-ms/libpqlib
--without-ms/libpqlib
你能幫我嗎？由於
$創業板安裝PG - --with-PG-配置=在/ usr /的pgsql-9.2 /斌/ pg_config會幫助我想。然而--with-pg-config路徑取決於你安裝的postgres版本。 – gipcompany 2013-02-16 18:24:48
它給了我同樣的錯誤。我相信它實際上一直在尋找'pg_config'，因爲它總是說'檢查pg_config ... yes'，所以我認爲這是其他的錯誤 – sauronnikko 2013-02-16 18:48:09
或者這是[Q＆A]（http://stackoverflow.com/questions/4393189/failing -install-pg-gem-mkmf-rb -cant-find-header-files-for-ruby-mac-osx-1）對你有幫助嗎？ – gipcompany 2013-02-16 18:51:46