Package: libleidenalg
Version: 0.11.1-1
Severity: normal
Tags: patch


Dear Maintainer,
I found in Ubuntu that 4 symbols are disappearing, probably due to lto and them 
being virtually provided.
I think it might be useful to mark them as optional, to avoid FTBFS with lto or 
newer gcc versions.

Thanks for considering the patch.

*** /tmp/tmpzbxu077g/libleidenalg_0.11.1-1.1.debdiff
diff -Nru libleidenalg-0.11.1/debian/liblibleidenalg1.symbols.amd64 
libleidenalg-0.11.1/debian/liblibleidenalg1.symbols.amd64
--- libleidenalg-0.11.1/debian/liblibleidenalg1.symbols.amd64   2023-08-16 
18:22:12.000000000 +0200
+++ libleidenalg-0.11.1/debian/liblibleidenalg1.symbols.amd64   2023-08-21 
10:15:01.000000000 +0200
@@ -55,9 +55,9 @@
  _ZN22MutableVertexPartition6cnodesEm@Base 0.11.1
  _ZN22MutableVertexPartition6createEP5Graph@Base 0.11.1
  _ZN22MutableVertexPartition6createEP5GraphRKSt6vectorImSaImEE@Base 0.11.1
- _ZN22MutableVertexPartition7qualityEv@Base 0.11.1
+ (optional)_ZN22MutableVertexPartition7qualityEv@Base 0.11.1
  _ZN22MutableVertexPartition9clean_memEv@Base 0.11.1
- _ZN22MutableVertexPartition9diff_moveEmm@Base 0.11.1
+ (optional)_ZN22MutableVertexPartition9diff_moveEmm@Base 0.11.1
  _ZN22MutableVertexPartition9move_nodeEmm@Base 0.11.1
  _ZN22MutableVertexPartitionC1EP5Graph@Base 0.11.1
  _ZN22MutableVertexPartitionC1EP5GraphRKSt6vectorImSaImEE@Base 0.11.1
@@ -114,8 +114,8 @@
  _ZN30RBConfigurationVertexPartitionD0Ev@Base 0.11.1
  _ZN30RBConfigurationVertexPartitionD1Ev@Base 0.11.1
  _ZN30RBConfigurationVertexPartitionD2Ev@Base 0.11.1
- _ZN34ResolutionParameterVertexPartition7qualityEd@Base 0.11.1
- _ZN34ResolutionParameterVertexPartition7qualityEv@Base 0.11.1
+ (optional)_ZN34ResolutionParameterVertexPartition7qualityEd@Base 0.11.1
+ (optional)_ZN34ResolutionParameterVertexPartition7qualityEv@Base 0.11.1
  _ZN34ResolutionParameterVertexPartitionC1EP5Graph@Base 0.11.1
  _ZN34ResolutionParameterVertexPartitionC1EP5GraphSt6vectorImSaImEE@Base 0.11.1
  _ZN34ResolutionParameterVertexPartitionC1EP5GraphSt6vectorImSaImEEd@Base 
0.11.1

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