New issue 2134: Building cffi shared objects picks up system libpypy-c
https://bitbucket.org/pypy/pypy/issues/2134/building-cffi-shared-objects-picks-up
Edd Barrett:
Noticed the following warnings when building PyPy:
```
starting build_cffi_imports
[27/1833]
* _audioop_build.py
Traceback (most recent call last):
File "<builtin>/app_main.py", line 75, in run_toplevel
File "_audioop_build.py", line 3, in <module>
ffi = FFI()
File "/home/edd/research/pypy.pypy/lib_pypy/cffi/api.py", line 59, in __init__
"version mismatch, %s != %s" % (backend.__version__, __version__)
AssertionError: version mismatch, 1.1.0 != 1.3.0
* _curses_build.py
Traceback (most recent call last):
File "<builtin>/app_main.py", line 75, in run_toplevel
File "_curses_build.py", line 3, in <module>
ffi = FFI()
File "/home/edd/research/pypy.pypy/lib_pypy/cffi/api.py", line 59, in __init__
"version mismatch, %s != %s" % (backend.__version__, __version__)
AssertionError: version mismatch, 1.1.0 != 1.3.0
...
/home/edd/research/pypy.pypy/pypy-c successfully built, but errors while
building the above modules will be ignored
```
The problem is, the build is picking up the system libpypy-c installed by the
OS package manager. Confirmed by forcing a library path:
```
$ ./pypy-c ./lib_pypy/_tkinter/tklib_build.py
Traceback (most recent call last):
File "<builtin>/app_main.py", line 75, in run_toplevel
File "./lib_pypy/_tkinter/tklib_build.py", line 32, in <module>
config_ffi = FFI()
File "/home/edd/research/pypy.pypy/lib_pypy/cffi/api.py", line 59, in __init__
"version mismatch, %s != %s" % (backend.__version__, __version__)
AssertionError: version mismatch, 1.1.0 != 1.3.0
$ export LD_LIBRARY_PATH=`pwd`
$ ./pypy-c ./lib_pypy/_tkinter/tklib_build.py
_tkinter/tklib_cffi.c: In function '_cffi_checkfld__Tcl_Obj':
_tkinter/tklib_cffi.c:3971: warning: initialization from incompatible pointer
type
_tkinter/tklib_cffi.c: In function '_cffi_checkfld__Tcl_ObjType':
_tkinter/tklib_cffi.c:3981: warning: initialization from incompatible pointer
type
$
```
Cheers
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