Re: python3.2 'MODLIBS' includes -lffi (but not in Ubuntu)
On Mon, 28 May 2012, Jakub Wilk wrote:
> >>python3.2 -c "from distutils.sysconfig import get_config_var; print(get_config_var('MODLIBS'))"
> >-lssl -lcrypto -lssl -lcrypto -lffi -L/usr/lib -lz -lexpat
> >while with python2 and python3.2 under Ubuntu 12.04 does not
> >include -lffi .
> Are you sure?
I was quite sure -- I logged into a clean 12.04 chroot and ran the
command and cut/pasted output -- could not go wrong! ;)
> $ dpkg-deb -x python3.2-minimal_3.2.3-0ubuntu1_i386.deb .
> $ grep LOCALMODLIBS.*ffi usr/lib/python3.2/config/Makefile
> LOCALMODLIBS= -lssl -lcrypto -lssl -lcrypto -lffi -L$(exec_prefix)/lib -lz -lexpat
now I am not 100% sure but ... I also got an email from MK confirming
that it is a bug and it would be fixed with the next upload (whenever that
would be)....
> >Maybe some one has a ready answer?
> Does "do not use (LOCAL)MODLIBS" count as an answer? :)
;-) gygy -- thanks for such an in-depth answer since it works!
indeed such a blunt patch
--- a/setup.py
+++ b/setup.py
@@ -235,7 +235,7 @@ def executables():
for var in ('LIBDIR', 'LIBPL'):
library_dirs += split_quoted(cfgDict.get(var, ''))
for var in ('LDFLAGS',
- 'LIBS', 'MODLIBS', 'SYSLIBS',
+ 'LIBS', 'SYSLIBS',
'LDLAST'):
link_args += split_quoted(cfgDict.get(var, ''))
# MPI-enabled Python interpreter
helps even with other failures and seems to not cause any new ;) Below
is the diff from unpatched build and patched build... hopefully within few days
I could wrap my head around WTF... or may be Bradley (CCed who was helping
with this package and pushed python3 packaging) could confirm that this is a
logical thing to do ;) (I have pushed the patch for now to alioth's git)
@@ -203,30 +182,7 @@
building 'python2.7-mpi' executable
/usr/bin/mpicc.openmpi -fPIC -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -I/usr/include/python2.7 -c src/python.c -o build/temp.linux-x86_64-2.7/src/python.o
creating build/exe.linux-x86_64-2.7
-/usr/bin/mpicc.openmpi -Wl,-export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions build/temp.linux-x86_64-2.7/src/python.o -L/usr/lib/python2.7/config -lpython2.7 -o build/exe.linux-x86_64-2.7/python2.7-mpi -Wl,-z,relro -lpthread -ldl -lutil -lssl -lcrypto -lssl -lcrypto -L/usr/lib -lz -lm
-/usr/lib/libmpi.so: undefined reference to `MPL_trid'
-/usr/lib/libmpi.so: undefined reference to `MPL_trvalid'
-/usr/lib/libmpi.so: undefined reference to `MPL_env2int'
-/usr/lib/libmpi.so: undefined reference to `MPL_trrealloc'
-/usr/lib/libmpi.so: undefined reference to `MPL_trspace'
-/usr/lib/libmpi.so: undefined reference to `MPL_trDebugLevel'
-/usr/lib/libmpi.so: undefined reference to `MPL_TrSetMaxMem'
-/usr/lib/libmpi.so: undefined reference to `MPL_trlevel'
-/usr/lib/libmpi.so: undefined reference to `MPL_trmalloc'
-/usr/lib/libmpi.so: undefined reference to `MPL_putenv'
-/usr/lib/libmpi.so: undefined reference to `MPL_env2bool'
-/usr/lib/libmpi.so: undefined reference to `MPL_env2range'
-/usr/lib/libmpi.so: undefined reference to `MPL_trcalloc'
-/usr/lib/libmpi.so: undefined reference to `MPL_trfree'
-/usr/lib/libmpi.so: undefined reference to `MPL_env2str'
-/usr/lib/libmpi.so: undefined reference to `MPL_trstrdup'
-/usr/lib/libmpi.so: undefined reference to `MPL_trdump'
-/usr/lib/libmpi.so: undefined reference to `MPL_trinit'
-collect2: ld returned 1 exit status
-warning: build_exe: building extension "python2.7-mpi" failed
-
-warning: build_exe: command '/usr/bin/mpicc.openmpi' failed with exit status 1
-
+/usr/bin/mpicc.openmpi -Wl,-export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions build/temp.linux-x86_64-2.7/src/python.o -L/usr/lib/python2.7/config -lpython2.7 -o build/exe.linux-x86_64-2.7/python2.7-mpi -Wl,-z,relro -lpthread -ldl -lutil -lm
: # Build for Python 3
set -e; for v in 3.2; do \
python$v setup.py build \
@@ -319,13 +275,7 @@
building 'python3.2-mpi' executable
/usr/bin/mpicc.openmpi -fPIC -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -I/usr/include/python3.2mu -c src/python.c -o build/temp.linux-x86_64-3.2/src/python.o
creating build/exe.linux-x86_64-3.2
-/usr/bin/mpicc.openmpi -Wl,-export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions build/temp.linux-x86_64-3.2/src/python.o -L/usr/lib/python3.2/config-3.2mu -lpython3.2 -o build/exe.linux-x86_64-3.2/python3.2-mpi -Wl,-z,relro -lpthread -ldl -lutil -lssl -lcrypto -lssl -lcrypto -lffi -L/usr/lib -lz -lexpat -lm
-/usr/bin/ld: cannot find -lffi
-collect2: ld returned 1 exit status
-warning: build_exe: building extension "python3.2-mpi" failed
-
-warning: build_exe: command '/usr/bin/mpicc.openmpi' failed with exit status 1
-
+/usr/bin/mpicc.openmpi -Wl,-export-dynamic -Wl,-O1 -Wl,-Bsymbolic-functions build/temp.linux-x86_64-3.2/src/python.o -L/usr/lib/python3.2/config-3.2mu -lpython3.2 -o build/exe.linux-x86_64-3.2/python3.2-mpi -Wl,-z,relro -lpthread -ldl -lutil -lm
--
Yaroslav O. Halchenko
Postdoctoral Fellow, Department of Psychological and Brain Sciences
Dartmouth College, 419 Moore Hall, Hinman Box 6207, Hanover, NH 03755
Phone: +1 (603) 646-9834 Fax: +1 (603) 646-1419
WWW: http://www.linkedin.com/in/yarik
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