Jon,
> On 8 Mar 2017, at 01:34, Jon Loeliger <j...@netgate.com> wrote:
>
> On Mon, Mar 6, 2017 at 2:57 PM, Jon Loeliger <j...@netgate.com> wrote:
>
> Hi Billy,
>
> Soooo, despite the Peanut Gallery, I'm not yet crazy... :-)
>
> Now all we have to do is find the missing dependency in a Makefile! :-)
>
> Thanks,
> jdl
>
> I may not be crazy (yet), but I am in a vacuum.
>
> OK, as a review, here is the error message:
>
> running build_ext
> building 'vpp_api' extension
> creating build
> creating build/temp.linux-x86_64-2.7
> creating build/temp.linux-x86_64-2.7/vpp_papi
> gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
> -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4
> -grecord-gcc-switches -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv
> -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions
> -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64
> -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC
> -I/var/lib/jenkins/workspace/build-ngr-rpm/build_root/BUILD/vpp/build-root/install-vpp-native/vpp/include/
> -I/usr/include/python2.7 -c vpp_papi/pneum_wrap.c -o
> build/temp.linux-x86_64-2.7/vpp_papi/pneum_wrap.o
> creating build/lib.linux-x86_64-2.7
> gcc -pthread -shared -Wl,-z,relro
> build/temp.linux-x86_64-2.7/vpp_papi/pneum_wrap.o
> -L/var/lib/jenkins/workspace/build-ngr-rpm/build_root/BUILD/vpp/build-root/install-vpp-native/vpp/lib64
> -L. -lpneum -lpython2.7 -o build/lib.linux-x86_64-2.7/vpp_api.so
> /bin/ld: cannot find -lpneum
> collect2: error: ld returned 1 exit status
> error: command 'gcc' failed with exit status 1
> make[7]: *** [install-exec-local] Error 1
>
>
> So, let's pick on install-exec-local. That is from
> src/vpp-api/python/Makefile.am:
>
> install-exec-local:
> cd $(srcdir); \
> mkdir -p $(pythondir); \
> mkdir -p $(pyexecdir); \
> PYTHONUSERBASE=$(prefix) \
> python setup.py build_ext -L $(libdir) \
> -I $(prefix)/include/ install --user
>
> And the setup.py in that directory says:
>
> setup (name = 'vpp_papi',
> version = '1.3',
> description = 'VPP Python binding',
> author = 'Ole Troan',
> author_email = 'o...@cisco.com',
> test_suite = 'tests',
> packages=['vpp_papi'],
> ext_modules = [
> Extension(
> 'vpp_api',
> sources = ['vpp_papi/pneum_wrap.c'],
> libraries = ['pneum'],
> )],
> long_description = '''VPP Python language binding.''',
> zip_safe = True,
> )
>
> Good, it lists pneum. But the problem is, we shouldn't run this
> setup.py until after pneum is fully linked and on disk. This happened
> too soon:
>
> gcc -pthread -shared -Wl,-z,relro
> build/temp.linux-x86_64-2.7/vpp_papi/pneum_wrap.o
> -L/var/lib/jenkins/workspace/build-ngr-rpm/build_root/BUILD/vpp/build-root/install-vpp-native/vpp/lib64
> -L. -lpneum -lpython2.7 -o build/lib.linux-x86_64-2.7/vpp_api.so
> /bin/ld: cannot find -lpneum
>
>
> Which means, the rule for vpp_api.so's dependencies, isn't listing the
> real pneum library properly.
>
> I have no idea where that is supposed to take place yet.
I have also seen this error. What I suspect happens is that while pneum is
already built and that the build dependency is correct, the library isn't
installed under the install- directory yet.
I didn't manage to reproduce it right now, but would you mind trying this to
see if it works:
diff --git a/src/vpp-api/python/Makefile.am b/src/vpp-api/python/Makefile.am
index 5407682..c60e4f4 100644
--- a/src/vpp-api/python/Makefile.am
+++ b/src/vpp-api/python/Makefile.am
@@ -39,7 +39,7 @@ libpneum_la_LDFLAGS = -module
libpneum_la_CPPFLAGS =
# TODO: Support both Python 2 and 3.
-install-exec-local:
+install-exec-local: install-libLTLIBRARIES
cd $(srcdir); \
mkdir -p $(pythondir); \
mkdir -p $(pyexecdir); \
(In other news I am looking at using CFFI instead, and then the whole
vpp_api.so would go away).
Cheers,
Ole
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