XXX try erp5 with "default" gcc

software/nextcloud/software.cfg

@@ -5,9 +5,8 @@ extends =
   ../../stack/lamp/buildout.cfg
 
 [gcc]
-# For old version of glibmm.
-part = gcc-5.5
-max_version = 6
+# Always build GCC
+max_version = 0
 
 [nc-download-base]
 recipe = hexagonit.recipe.download

stack/erp5/buildout.cfg

@@ -84,10 +84,15 @@ parts +=
 # jupyter
   jupyter-notebook-initialized-scripts
 
-[gcc]
+#[gcc]
 # KumoFS is known not to build with gcc>6.
 # It may work with slightly more recent but not tested.
-part = gcc-5.5
+#part = gcc-5.5
+# XXX seems to work with  8.2.0
+
+[gcc]
+# Always build GCC
+max_version = 0
 
 # override instance-jupyter-notebook not to render into default template.cfg
 [instance-jupyter-notebook]