Re: Error building PJSUA2 python SWIG module

[Luke Biddle <lukeandrewbiddle@xxxxxxxxx>]

If anyone stumbles upon this later, I found the solution. In the steps below, replace the ./configure command with this:
export CFLAGS="$CFLAGS -fPIC" && ./configure

Perhaps this info should be included in one of the build tutorials.

On 17 November 2017 at 14:29, Luke Biddle <lukeandrewbiddle@xxxxxxxxx> wrote:

Hi,

I'm trying to build PJSUA2 and accompanying SWIG module for python, but I'm running into an error that I can't figure out. The compiler is throwing an error when i attempt to 'make' in pjsip-apps/src/swig. The error is:

g++ -pthread -shared -Wl,-z,relro -specs=/usr/lib/rpm/redhat/redhat-hardened-ld build/temp.linux-x86_64-3.5/pjsua2_wrap.o -L/usr/lib64 -lpjsua2-x86_64-unknown-linux-gnu -lstdc++ -lpjsua-x86_64-unknown-linux-gnu -lpjsip-ua-x86_64-unknown-linux-gnu -lpjsip-simple-x86_64-unknown-linux-gnu -lpjsip-x86_64-unknown-linux-gnu -lpjmedia-codec-x86_64-unknown-linux-gnu -lpjmedia-x86_64-unknown-linux-gnu -lpjmedia-videodev-x86_64-unknown-linux-gnu -lpjmedia-audiodev-x86_64-unknown-linux-gnu -lpjmedia-x86_64-unknown-linux-gnu -lpjnath-x86_64-unknown-linux-gnu -lpjlib-util-x86_64-unknown-linux-gnu -lsrtp-x86_64-unknown-linux-gnu -lresample-x86_64-unknown-linux-gnu -lgsmcodec-x86_64-unknown-linux-gnu -lspeex-x86_64-unknown-linux-gnu -lilbccodec-x86_64-unknown-linux-gnu -lg7221codec-x86_64-unknown-linux-gnu -lyuv-x86_64-unknown-linux-gnu -lwebrtc-x86_64-unknown-linux-gnu -lpj-x86_64-unknown-linux-gnu -lssl -lcrypto -lm -lrt -lpthread -lasound -lSDL2 -lavdevice -lavformat -lavcodec -lswscale -lavutil -lpython3.5m -o build/lib.linux-x86_64-3.5/_pjsua2.cpython-35m-x86_64-linux-gnu.so -L/opt/pjproject/pjlib/lib -L/opt/pjproject/pjlib-util/lib -L/opt/pjproject/pjnath/lib -L/opt/pjproject/pjmedia/lib -L/opt/pjproject/pjsip/lib -L/opt/pjproject/third_party/lib -lSDL2 -lavdevice -lavformat -lavcodec -lswscale -lavutil -lSDL2 -lavdevice -lavformat -lavcodec -lswscale -lavutil
/usr/bin/ld: /opt/pjproject/pjsip/lib/libpjsua2-x86_64-unknown-linux-gnu.a(account.o): relocation R_X86_64_32S against `_ZTVN2pj7AccountE' can not be used when making a shared object; recompile with -fPIC
/opt/pjproject/pjsip/lib/libpjsua2-x86_64-unknown-linux-gnu.a: error adding symbols: Bad value
collect2: error: ld returned 1 exit status
error: command 'g++' failed with exit status 1
Makefile:29: recipe for target '_pjsua2.so' failed
make[1]: *** [_pjsua2.so] Error 1
make[1]: Leaving directory '/opt/pjproject/pjsip-apps/src/swig/python'
Makefile:23: recipe for target 'all' failed
make: *** [all] Error 1

Here's a full list of the commands I did to get here:

• python -m pip install pycparser
  
• dnf install alsa-lib-devel
• dnf install python-devel
• dnf install gcc-c++
• dnf install cmake
  
• dnf install svn
  
• dnf install swig
• dnf install java-1.8.0-openjdk
  
  
• cd /opt
• svn co http://svn.pjsip.org/repos/pjproject/trunk pjproject
• cd pjproject
• ./configure
• make dep
• make
• make install
• cd pjsip-apps/src/swig
• make <-- Fails on this one

Here is my env:

• Fedora25
• kernel 4.10.10-200.fc25.x86_64

The error seems to be telling me to recompile with the -fPIC flag, I'm just not sure what needs that flag or where it should go. Can anyone help me out?

Regards,

Luke

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