Error building in UbuntuStudio 19.10

• XP 5 0

  Message from Xavier Paniello on …
  Hi, I've got this error trying to build in ubuntustudio 19.10:
  sound_engine/voice.h:32:10: fatal error: Chorus.h: No such file or directory
  32 | #include "Chorus.h"
  | ^~~~~~~~~~
  
  Thanks for this software!
• 421 0

  Message from Davy on …
  Maybe you forgot to install the stk library? (libstk0-dev)
• XP 5 0

  Message from Xavier Paniello on …
  mmh... it's installed:
  $ dpkg -s libstk0-dev
  Package: libstk0-dev
  Status: install ok installed
  Priority: optional
  Section: libdevel
  Installed-Size: 527
  Maintainer: Ubuntu Developers <u***@l***.***>
  Architecture: amd64
  Multi-Arch: same
  Source: stk
  Version: 4.5.2+dfsg-5build1
  Depends: librtaudio-dev (>= 4.0.11~), librtmidi-dev (>= 2.0.1~), libstk-4.5.0 (= 4.5.2+dfsg-5build1)
  Description: Sound Synthesis Toolkit (development files)
  The Sound Synthesis Toolkit is a C++ library with implementations
  of several sound synthesis algorithms, starting from Frequency
  Modulation, over Physical Modelling and others. It can be used
  as a library, but it also provides some nice software synthesizers.
  .
  This package provides the development files for the sound synthesis toolkit.
  Homepage: http://ccrma.stanford.edu/software/stk/
  Original-Maintainer: Debian Multimedia Maintainers <p***@l***.***>
• Message from Xavier Paniello on …
  Oh, now I've seen the note in README about problems:
  "If you experience compiling issues related to RtMidi, Stk, or QCustomplot you can opt to use the
  local copies that come with Polyphone by commenting out the related lines at the top of
  `polyphone.pro`: " ...
  I'll try it this way later. Thanks!!
• Message from Xavier Paniello on …
  I've been trying to build uncommenting (originaly were commented):
  DEFINES += USE_LOCAL_RTMIDI
  DEFINES += USE_LOCAL_STK
  DEFINES += USE_LOCAL_QCUSTOMPLOT
  and uncommenting only stk
  Both builds give:
  context/audiodevice.cpp:32:10: fatal error: jack.h: No such file or directory
  32 | #include "jack.h"
• KP 1 0

  Message from Knut Petersen on … 1
  I tried to build polyphone on openSuSE Tumbleweed.
  
  qmake-qt5 && make
  
  failed with the same error. After fixing it a similar problem with jack had to be fixed.
  
  On openSuSE Tumbleweed a build succeed with the following sequence of actions:
  
  1.: Run " qmake-qt5"
  2.: Manually add "-isystem /usr/include/stk -isystem /usr/include/jack" add the end of INCPATH in Makefile
  3.: Run "make"
• XP 5 0

  Message from Xavier Paniello on …
  Yes!
  The right paths for ubuntustudio 19.10 in INCPATH are:
  -isystem /usr/include/jack -isystem /usr/include/stk
  Thank you very much!!
• 421 0

  Message from Davy on …
  Sorry I have been late but recently a change has been made on the $PREFIX for the libraries.
  For Debian or Ubuntu you will need to add this extra argument for QMAKE:PREFIX=/usrTo add this argument with Qt Creator go to Projects => Build step => Additional argument in "QMake"

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