帮助在雪豹上安装 psycopg2 ：命令 '/usr/bin/gcc-4.0'失败，退出状态为 1
这两天已经让我发疯了。
我一直在尝试使用 easy_install 安装 psycopg2，无论我尝试什么（即使用 gcc-4.0 而不是雪豹默认的），我总是得到相同的错误：
错误：安装脚本退出时出现错误：命令'/usr/bin /gcc-4.0' 失败，退出状态 1
请参阅：http://dpaste.com/hold/228252/
我已经用谷歌搜索了这个错误很多次，但我发现没有任何帮助。
This has been driving me crazy for 2 days.
I have been trying to install psycopg2 using easy_install and no matter what I try (i.e using gcc-4.0 instead of the snow leopard default one) I always get the same error:
error: Setup script exited with error: command '/usr/bin/gcc-4.0' failed with exit status 1
Please see: http://dpaste.com/hold/228252/
I have googled that error so many times and nothing I have found seem to help.
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看起来您缺少一个依赖项，即
libpq的开发文件。相关日志部分在这里：尝试安装 libpq 开发文件，然后重新运行 easy_install。你可能会遇到另一个缺失的依赖项；注意 GCC 吐出的第一个错误。
Looks like you're missing a dependency, the development files for
libpq. The relevant log part is here:Try installing libpq development files and then rerun easy_install. You may hit another missing dependency; pay attention to the first error that GCC spits out.
链接 http://dpaste.com/hold/228252/ 似乎已死，这就是我的方式解决了这个问题（Mac OS X 10.6，virtualenv）。
如果 pip 失败并显示此消息，只需查看虚拟环境中的构建文件夹即可。您应该在那里编辑 setup.cfg 文件，特别是 include_dirs 和 library_dirs。在第一个设置中，我的选项是：
include_dirs=/opt/local/include/postgresql84:/opt/local/include/postgresql84/server
，很可能您需要将library_dirs设置为正确的位置：
library_dirs=/opt/local/lib/postgresql84。
Link http://dpaste.com/hold/228252/ seems to be dead, this is how I solved this problem (Mac OS X 10.6, virtualenv).
If pip fails with this message, just take a look to build folder in your virtual environment. You should edit setup.cfg file there, particularly include_dirs and library_dirs. In first one set your include folders, my option was:
include_dirs=/opt/local/include/postgresql84:/opt/local/include/postgresql84/server
and most likely you will need to set library_dirs to correct location as well:
library_dirs=/opt/local/lib/postgresql84.
可能你应该先安装 postgresql-devel
yum -y 安装 postgresql-develprobably you should install postgresql-devel first
yum -y install postgresql-devel