Bug#964696: zyn: FTBFS: pkg-config cannot find lv2core

[Lucas Nussbaum]

Source: zyn
Version: 1+git.20100609+dfsg0-4
Severity: serious
Justification: FTBFS on amd64
Tags: bullseye sid ftbfs
Usertags: ftbfs-20200709 ftbfs-bullseye

Hi,

During a rebuild of all packages in sid, your package failed to build
on amd64.

Relevant part (hopefully):
> make[1]: Entering directory '/<<PKGBUILDDIR>>'
> LINKFLAGS="-Wl,-z,relro -Wl,-z,now" ./waf configure --lv2-dir=/<<PKGBUILDDIR>>/debian/zynadd/usr/lib/lv2
> Checking for program gcc                 : ok /usr/bin/gcc 
> Checking for program cpp                 : ok /usr/bin/cpp 
> Checking for program ar                  : ok /usr/bin/ar 
> Checking for program ranlib              : ok /usr/bin/ranlib 
> Checking for compiler could create programs : ok  
> Checking for compiler could create shared libs : ok  
> Checking for compiler could create static libs : ok  
> Checking for flags -O2                         : ok  
> Checking for flags -g -DDEBUG                  : ok  
> Checking for flags -g3 -O0 -DDEBUG             : ok  
> Checking for flags -Wall                       : ok  
> Checking for gcc                               : ok  
> Checking for program g++                       : ok /usr/bin/g++ 
> Checking for program ar                        : ok /usr/bin/ar 
> Checking for program ranlib                    : ok /usr/bin/ranlib 
> Checking for compiler could create programs    : ok  
> Checking for compiler could create shared libs : ok  
> Checking for compiler could create static libs : ok  
> Checking for flags -O2                         : ok  
> Checking for flags -g -DDEBUG                  : ok  
> Checking for flags -g3 -O0 -DDEBUG             : ok  
> Checking for flags -Wall                       : ok  
> Checking for g++                               : ok  
> LV2 installation directory                     : /<<PKGBUILDDIR>>/debian/zynadd/usr/lib/lv2 
> Checking for package fftw3                     : ok  
> Checking for package lv2core                   : not found 
> pkg-config cannot find lv2core 
> make[1]: *** [debian/rules:14: override_dh_auto_configure] Error 1

The full build log is available from:
   http://qa-logs.debian.net/2020/07/09/zyn_1+git.20100609+dfsg0-4_unstable.log

A list of current common problems and possible solutions is available at
http://wiki.debian.org/qa.debian.org/FTBFS . You're welcome to contribute!

About the archive rebuild: The rebuild was done on EC2 VM instances from
Amazon Web Services, using a clean, minimal and up-to-date chroot. Every
failed build was retried once to eliminate random failures.