Source: qgis Version: 3.4.15+dfsg-1 Severity: serious tags: patch Hello, when built on experimental, the python3-config command needs a new flag to find correctly the python3.8 library (thanks Doko for the suggestion)
so, the following (unfortunately non-retro-compatible) patch, fixes the issue: --- qgis-3.4.15+dfsg/debian/changelog 2020-01-22 05:57:39.000000000 +0100 +++ qgis-3.4.15+dfsg/debian/changelog 2020-01-25 22:17:14.000000000 +0100 @@ -1,3 +1,10 @@ +qgis (3.4.15+dfsg-1.1) experimental; urgency=medium + + * Manually add --embed to rules file to fix FTBFS due to change in + behaviour of python3-config --ldflags (from doko) (Closes: #-1) + + -- Gianfranco Costamagna <locutusofb...@debian.org> Sat, 25 Jan 2020 22:17:14 +0100 + qgis (3.4.15+dfsg-1) unstable; urgency=medium * Move from experimental to unstable. diff -Nru qgis-3.4.15+dfsg/debian/rules qgis-3.4.15+dfsg/debian/rules --- qgis-3.4.15+dfsg/debian/rules 2019-11-11 09:07:24.000000000 +0100 +++ qgis-3.4.15+dfsg/debian/rules 2020-01-25 22:17:14.000000000 +0100 @@ -93,7 +93,7 @@ -DWITH_SERVER_PLUGINS=TRUE \ -DWITH_QWTPOLAR=FALSE \ -DQT_PLUGINS_DIR=$(QT_PLUGINS_DIR) \ - -DPYTHON_LIBRARY=$(shell python3-config --ldflags | sed -e 's\#-L\(.*\) -L/usr/lib -l\([^ ]*\) .*$$\#\1/lib\2.so\#') + -DPYTHON_LIBRARY=$(shell python3-config --ldflags --embed | sed -e 's\#-L\(.*\) -L/usr/lib -l\([^ ]*\) .*$$\#\1/lib\2.so\#') ifneq ($(SHA),) CMAKE_OPTS += -DSHA=$(SHA)