Re: [gpsd-users] /usr/bin/ld: ./libgpsd.a(ppsthread.o): undefined reference to symbol 'pthread_create@@GLIBC_2.2.5' after 'scons sconsclean'

[Charles Curley]

On Mon, 16 Oct 2017 19:37:48 -0700
"Gary E. Miller" <address@hidden> wrote:

> Yo Charles!
> 
> On Mon, 16 Oct 2017 09:57:53 -0600
> Charles Curley <address@hidden> wrote:
> 
> > If I pull the repo and do not run 'scons sconsclean' I get a clean
> > build.  
> 
> I commited several patches to day to deal with problems in this area.
> 
> Can you try again on git head?  I suspect there are still some issues
> with the cleaning.


gcc -o shared_json.o -c -Wreturn-type -O2 -I/usr/include/dbus-1.0 
-I/usr/lib/x86_64-linux-gnu/dbus-1.0/include shared_json.c
ar rc libgps_static.a ais_json.o bits.o gpsutils.o gpsdclient.o gps_maskdump.o 
hex.o json.o libgps_core.o libgps_dbus.o libgps_json.o libgps_shm.o 
libgps_sock.o netlib.o os_compat.o rtcm2_json.o rtcm3_json.o shared_json.o
ranlib libgps_static.a
gcc -o gpsd gpsd.o timehint.o shmexport.o dbusexport.o sd_socket.o -L. -lgpsd 
-lgps_static -lm -ldbus-1
/usr/bin/ld: ./libgpsd.a(ppsthread.o): undefined reference to symbol 
'pthread_create@@GLIBC_2.2.5'
//lib/x86_64-linux-gnu/libpthread.so.0: error adding symbols: DSO missing from 
command line
collect2: error: ld returned 1 exit status
scons: *** [gpsd] Error 1
scons: building terminated because of errors.

However!! I then read your git log entries. I again did 'scons
sconsclean'. .sconsign.dblite was still present. So I did
'rm .sconsign.dblite'. Then I got a good build.

In none of this have I run 'scons -c'.



This is on:

# lsb_release -a
LSB Version:    
core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:core-4.0-amd64:core-4.0-noarch:core-4.1-amd64:core-4.1-noarch:security-4.0-amd64:security-4.0-noarch:security-4.1-amd64:security-4.1-noarch
Distributor ID: Debian
Description:    Debian GNU/Linux 8.9 (jessie)
Release:        8.9
Codename:       jessie


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