[MacPorts] #59689: qgis3 @3.10.0_0: fatal error: 'ui_qgswmssourceselectbase.h' file not found (was: qgis3 upgrade to 3.10.0_0 fails)

[MacPorts]

#59689: qgis3 @3.10.0_0: fatal error: 'ui_qgswmssourceselectbase.h' file not found
----------------------+----------------------
  Reporter:  dershow  |      Owner:  Veence
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  qgis3    |
----------------------+----------------------
Changes (by ryandesign):

 * cc: gwright83 (added)


Comment:

 Greg, it's not clear if the problem you experienced was the same as the
 one experienced by dershow, since you did not attach a main.log file.
 dershow's log says:

 {{{
 :info:build
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_gis_qgis3/qgis3/work
 /QGIS-3_10_0/src/providers/wms/qgswmssourceselect.h:20:10: fatal error:
 'ui_qgswmssourceselectbase.h' file not found
 :info:build #include "ui_qgswmssourceselectbase.h"
 :info:build          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 }}}

 Our buildbot, on which previous versions are never active when building,
 [https://build.macports.org/builders/ports-10.15_x86_64-builder/builds/5228/steps
 /install-port/logs/stdio sees the same problem]. So having a previous
 version active is not likely to have contributed to this problem.

 It was also reported [https://github.com/qgis/homebrew-
 qgisdev/issues/34#issuecomment-323896237 in homebrew] (over 2 years ago!),
 but as a comment in a ticket about a different problem, and was therefore
 not addressed.

 ''Later'' in the log, we see:

 {{{
 :info:build [  3%] Generating ui_qgswmssourceselectbase.h
 :info:build cd
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_gis_qgis3/qgis3/work/build/src/ui
 && /opt/local/libexec/qt5/bin/uic -o
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_gis_qgis3/qgis3/work/build/src/ui/ui_qgswmssourceselectbase.h
 /opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_release_tarballs_ports_gis_qgis3/qgis3/work
 /QGIS-3_10_0/src/ui/qgswmssourceselectbase.ui
 }}}

 So it's trying to use ui_qgswmssourceselectbase.h before having generated
 it. A classic parallel build problem. Veence, can you please report it to
 the developers of qgis3? We can work around it by disabling parallel
 building in the port until upstream fixes the dependencies of their build
 system:

 {{{
 use_parallel_build no
 }}}

 Until we do that, users can work around it with:

 {{{
 sudo port install qgis3 build.jobs=1
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/59689#comment:4>
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