Question

我需要在工作中在集群上构建NumPy（我没有root访问权限）。我已经编译了我自己的Python 2.7.3版本（带有--enable-shared），并且因为我没有root访问权限，所以Python位于非标准位置。不过，我在编写NumPy时遇到了问题。这就是我得到的：

gfairchild@cj-fe1 ~/code/packages/src/numpy-1.6.2> export CFLAGS="-L/usr/projects/infmodels/gfairchild/packages/lib"
gfairchild@cj-fe1 ~/code/packages/src/numpy-1.6.2> python setup.py build --fcompiler=gnu95
...
...
...
compile options: '-Inumpy/core/src/private -Inumpy/core/src -Inumpy/core -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath -Inumpy/core/include -I/usr/projects/infmodels/gfairchild/packages/stow/Python-2.7.3/include/python2.7 -c'
gcc: _configtest.c
gcc -pthread _configtest.o -o _configtest
_configtest
failure.
removing: _configtest.c _configtest.o _configtest
building data_files sources
build_src: building npy-pkg config files
running build_py
copying numpy/version.py -> build/lib.linux-x86_64-2.7/numpy
copying build/src.linux-x86_64-2.7/numpy/__config__.py -> build/lib.linux-x86_64-2.7/numpy
copying build/src.linux-x86_64-2.7/numpy/distutils/__config__.py -> build/lib.linux-x86_64-2.7/numpy/distutils
running build_clib
customize UnixCCompiler
customize UnixCCompiler using build_clib
running build_ext
customize UnixCCompiler
customize UnixCCompiler using build_ext
customize Gnu95FCompiler
customize Gnu95FCompiler using build_ext
building 'numpy.linalg.lapack_lite' extension
compiling C sources
C compiler: gcc -pthread -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes -L/usr/projects/infmodels/gfairchild/packages/lib -fPIC

compile options: '-DATLAS_INFO="\"3.6.0\"" -I/usr/include/atlas -Inumpy/core/include -Ibuild/src.linux-x86_64-2.7/numpy/core/include/numpy -Inumpy/core/src/private -Inumpy/core/src -Inumpy/core -Inumpy/core/src/npymath -Inumpy/core/src/multiarray -Inumpy/core/src/umath -Inumpy/core/include -I/usr/projects/infmodels/gfairchild/packages/stow/Python-2.7.3/include/python2.7 -Ibuild/src.linux-x86_64-2.7/numpy/core/src/multiarray -Ibuild/src.linux-x86_64-2.7/numpy/core/src/umath -c'
gcc: numpy/linalg/lapack_litemodule.c
gcc: numpy/linalg/python_xerbla.c
/usr/bin/gfortran -Wall -Wall -shared build/temp.linux-x86_64-2.7/numpy/linalg/lapack_litemodule.o build/temp.linux-x86_64-2.7/numpy/linalg/python_xerbla.o -L/usr/lib64/atlas -L. -Lbuild/temp.linux-x86_64-2.7 -llapack -lf77blas -lcblas -latlas -lpython2.7 -lgfortran -o build/lib.linux-x86_64-2.7/numpy/linalg/lapack_lite.so
/usr/bin/ld: cannot find -lpython2.7
collect2: ld returned 1 exit status
/usr/bin/ld: cannot find -lpython2.7collect2: ld returned 1 exit status
error: Command "/usr/bin/gfortran -Wall -Wall -shared build/temp.linux-x86_64-2.7/numpy/linalg/lapack_litemodule.o build/temp.linux-x86_64-2.7/numpy/linalg/python_xerbla.o -L/usr/lib64/atlas -L. -Lbuild/temp.linux-x86_64-2.7 -llapack -lf77blas -lcblas -latlas -lpython2.7 -lgfortran -o build/lib.linux-x86_64-2.7/numpy/linalg/lapack_lite.so" failed with exit status 1

出于某种原因，即使libpython2.7.so认为它位于CFLAGS指定的目录中，也未找到LD_LIBRARY_PATH。我甚至将目录添加到gfairchild@cj-fe1 ~/code/packages/lib> echo $LD_LIBRARY_PATH /usr/projects/infmodels/gfairchild/packages/lib:/usr/projects/infmodels/ep_packages/db-4.3.28/lib:/usr/projects/infmodels/ep_packages/boost/lib:/usr/projects/infmodels/ep_packages/log4cpp/lib:/usr/projects/infmodels/gfairchild/packages/lib:/usr/projects/infmodels/ep_packages/db-4.3.28/lib:/usr/projects/infmodels/ep_packages/boost/lib:/usr/projects/infmodels/ep_packages/log4cpp/lib:/opt/OpenMPI/openmpi-1.4.3-gcc/lib64：

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我该怎么做才能让它发挥作用？谢谢！

Answer 1

我刚修好了！查看numpy-1.6.2目录，我看到一个名为site.cfg.example的文件。在里面看，我看到你可以指定库并包含目录。我只是创建了一个名为site.cfg的文件，其内容如下：

[DEFAULT]
library_dirs = /usr/projects/infmodels/gfairchild/packages/lib:/usr/local/lib
include_dirs = /usr/projects/infmodels/gfairchild/packages/include:/usr/local/include

这就是它完成建筑所需要的一切。 m01的解决方案（添加LDFLAGS的路径）让我更进一步，但它仍然存在错误。 site.cfg文件允许它完成构建。

Answer 2

我认为您需要将-L/some/path选项放入LDFLAGS而不是CFLAGS。 CFLAGS [通常] [传递]传递给编译器，LDFLAGS [通常]传递给链接器，并且您正在查看链接器错误：）

顺便提一下，在这种情况下，错误出现在Fortran编译器错误之后。您也可以尝试在-L中提供FCFLAGS（即使它不是真正的编译器，而是链接器标志..这是为了防止您真的急需黑客攻击）。

构建NumPy时出错：找不到-lpython2.7

2 个答案: