Postgresql 不会安装在 OSX 上下面是我的数据
Postgresql will not install on OSX here is my data below
安装 pg (0.18.4) 时出现 n 错误，Bundler 无法继续.在打包前确保 gem install pg -v '0.18.4' 成功.chriss-MacBook-Pro:shine chriswilson$ bundle exec install用法:安装 [-bCcpSsv] [-B 后缀] [-f 标志] [-g 组] [-m 模式][-o 所有者] 文件 1 文件 2安装 [-bCcpSsv] [-B 后缀] [-f 标志] [-g 组] [-m 模式][-o owner] file1 ... fileN 目录install -d [-v] [-g group] [-m mode] [-o owner] 目录 ...chriss-MacBook-Pro:shine chriswilson$ gem install pg -v '0.18.4'构建原生扩展.这可能需要一段时间...错误:安装 pg 时出错:错误:无法构建 gem 本机扩展.
n error occurred while installing pg (0.18.4), and Bundler cannot continue. Make sure that gem install pg -v '0.18.4' succeeds before bundling. chriss-MacBook-Pro:shine chriswilson$ bundle exec install usage: install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode] [-o owner] file1 file2 install [-bCcpSsv] [-B suffix] [-f flags] [-g group] [-m mode] [-o owner] file1 ... fileN directory install -d [-v] [-g group] [-m mode] [-o owner] directory ... chriss-MacBook-Pro:shine chriswilson$ gem install pg -v '0.18.4' Building native extensions. This could take a while... ERROR: Error installing pg: ERROR: Failed to build gem native extension.
current directory: /Users/chriswilson/.rvm/gems/ruby-2.3.0/gems/pg-0.18.4/ext /Users/chriswilson/.rvm/rubies/ruby-2.3.0/bin/ruby -r ./siteconf20160902-1617-e1qwb1.rb extconf.rb checking for pg_config... no No pg_config... trying anyway. If building fails, please try again with --with-pg-config=/path/to/pg_config checking for libpq-fe.h... no Can't find the 'libpq-fe.h header *** 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=/Users/chriswilson/.rvm/rubies/ruby-2.3.0/bin/$(RUBY_BASE_NAME) --with-pg --without-pg --enable-windows-cross --disable-windows-cross --with-pg-config --without-pg-config --with-pg_config --without-pg_config --with-pg-dir --without-pg-dir --with-pg-include --without-pg-include=${pg-dir}/include --with-pg-lib --without-pg-lib=${pg-dir}/lib To see why this extension failed to compile, please check the mkmf.log which can be found here: /Users/chriswilson/.rvm/gems/ruby-2.3.0/extensions/x86_64-darwin-15/2.3.0/pg-0.18.4/mkmf.log extconf failed, exit code 1 Gem files will remain installed in /Users/chriswilson/.rvm/gems/ruby-2.3.0/gems/pg-0.18.4 for inspection. Results logged to /Users/chriswilson/.rvm/gems/ruby-2.3.0/extensions/x86_64-darwin-15/2.3.0/pg-0.18.4/gem_make.out chriss-MacBook-Pro:shine chriswilson$ gem install pg -v '0.18.4' Building native extensions. This could take a while... ERROR: Error installing pg: ERROR: Failed to build gem native extension. current directory: /Users/chriswilson/.rvm/gems/ruby-2.3.0/gems/pg-0.18.4/ext /Users/chriswilson/.rvm/rubies/ruby-2.3.0/bin/ruby -r ./siteconf20160902-1643-jfhxyo.rb extconf.rb checking for pg_config... no No pg_config... trying anyway. If building fails, please try again with --with-pg-config=/path/to/pg_config checking for libpq-fe.h... no Can't find the 'libpq-fe.h header *** 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=/Users/chriswilson/.rvm/rubies/ruby-2.3.0/bin/$(RUBY_BASE_NAME) --with-pg --without-pg --enable-windows-cross --disable-windows-cross --with-pg-config --without-pg-config --with-pg_config --without-pg_config --with-pg-dir --without-pg-dir --with-pg-include --without-pg-include=${pg-dir}/include --with-pg-lib --without-pg-lib=${pg-dir}/lib To see why this extension failed to compile, please check the mkmf.log which can be found here: /Users/chriswilson/.rvm/gems/ruby-2.3.0/extensions/x86_64-darwin-15/2.3.0/pg-0.18.4/mkmf.log extconf failed, exit code 1 Gem files will remain installed in /Users/chriswilson/.rvm/gems/ruby-2.3.0/gems/pg-0.18.4 for inspection. Results logged to /Users/chriswilson/.rvm/gems/ruby-2.3.0/extensions/x86_64-darwin-15/2.3.0/pg-0.18.4/gem_make.out find_executable: checking for pg_config... -------------------- no -------------------- find_header: checking for libpq-fe.h... -------------------- no "gcc -o conftest -I/Users/chriswilson/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0/x86_64-darwin15 -I/Users/chriswilson/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0/ruby/backward -I/Users/chriswilson/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0 -I. -I/usr/local/opt/libyaml/include -I/usr/local/opt/readline/include -I/usr/local/opt/libksba/include -I/usr/local/opt/openssl/include -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wshorten-64-to-32 -Wimplicit-function-declaration -Wdivision-by-zero -Wdeprecated-declarations -Wextra-tokens -fno-common -pipe conftest.c -L. -L/Users/chriswilson/.rvm/rubies/ruby-2.3.0/lib -L/usr/local/opt/libyaml/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/libksba/lib -L/usr/local/opt/openssl/lib -L. -fstack-protector -L/usr/local/lib -L/usr/local/opt/libyaml/lib -L/usr/local/opt/readline/lib -L/usr/local/opt/libksba/lib -L/usr/local/opt/openssl/lib -lruby.2.3.0 -lpthread -ldl -lobjc " checked program was: /* begin */ 1: #include "ruby.h" 2: 3: int main(int argc, char **argv) 4: { 5: return 0; 6: } /* end */ "gcc -E -I/Users/chriswilson/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0/x86_64-darwin15 -I/Users/chriswilson/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0/ruby/backward -I/Users/chriswilson/.rvm/rubies/ruby-2.3.0/include/ruby-2.3.0 -I. -I/usr/local/opt/libyaml/include -I/usr/local/opt/readline/include -I/usr/local/opt/libksba/include -I/usr/local/opt/openssl/include -D_XOPEN_SOURCE -D_DARWIN_C_SOURCE -D_DARWIN_UNLIMITED_SELECT -D_REENTRANT -O3 -fno-fast-math -ggdb3 -Wall -Wextra -Wno-unused-parameter -Wno-parentheses -Wno-long-long -Wno-missing-field-initializers -Wunused-variable -Wpointer-arith -Wwrite-strings -Wdeclaration-after-statement -Wshorten-64-to-32 -Wimplicit-function-declaration -Wdivision-by-zero -Wdeprecated-declarations -Wextra-tokens -fno-common -pipe conftest.c -o conftest.i" conftest.c:3:10: fatal error: 'libpq-fe.h' file not found #include <libpq-fe.h> ^ 1 error generated. checked program was: /* begin */ 1: #include "ruby.h" 2: 3: #include <libpq-fe.h> /* end */ -------------------- 推荐答案这基本上意味着您的设置中缺少库或程序.我已经遇到过几次这个问题了，所以这里有一些不同的尝试(希望其中之一对你有用):
This basically means that you're missing a library or program on your setup. I've had this issue a couple of times now so here are a few different things to try (hopefully one of them will work for you):
安装一个常见的缺失库:
brew install libpqxx gem install pg重新安装 postgres(我知道不理想):
brew uninstall postgresql brew install postgresql gem install pg明确定义 pg_config 的路径:
1) 获取 pg_config 的位置
1) Get location of pg_config
which pg_config2) 将该路径传递给 gem install
2) pass that path into gem install
gem install pg --with-pg-config=/usr/pgsql-9.1/bin/pg_config更多推荐
gem install pg for ruby on rails
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