[Debian-med-packaging] Bug#913608: libncl FTBFS: symbol changes

[Adrian Bunk]

Source: libncl
Version: 2.1.21+git20171002.4becff7-2
Severity: serious
Tags: ftbfs

Some recent change in unstable makes libncl FTBFS:

https://tests.reproducible-builds.org/debian/history/libncl.html
https://tests.reproducible-builds.org/debian/rb-pkg/unstable/amd64/libncl.html

...
@@ -1122,14 +1122,16 @@
  _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St9_IdentityIS5_ESt4lessIS5_ESaIS5_EE8_M_eraseEPSt13_Rb_tree_nodeIS5_E at Base 2.1.18
  _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEES5_St9_IdentityIS5_ESt4lessIS5_ESaIS5_EEaSERKSB_ at Base 2.1.18
  (optional)_ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE11equal_rangeERS7_ at Base 2.1.21+git20171002.4becff7
- _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE16_M_insert_uniqueIS6_IS5_S8_EEES6_ISt17_Rb_tree_iteratorIS9_EbEOT_ at Base 2.1.18
+#MISSING: 2.1.21+git20171002.4becff7-2# _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE16_M_insert_uniqueIS6_IS5_S8_EEES6_ISt17_Rb_tree_iteratorIS9_EbEOT_ at Base 2.1.18
+ _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE17_M_emplace_uniqueIJS6_IS5_S8_EEEES6_ISt17_Rb_tree_iteratorIS9_EbEDpOT_ at Base 2.1.21+git20171002.4becff7-2
  (optional)_ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE4findERS7_ at Base 2.1.21+git20171002.4becff7
  _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE5eraseERS7_ at Base 2.1.18
  _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE7_M_copyINSF_20_Reuse_or_alloc_nodeEEEPSt13_Rb_tree_nodeIS9_EPKSJ_PSt18_Rb_tree_node_baseRT_ at Base 2.1.18
  _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE8_M_eraseEPSt13_Rb_tree_nodeIS9_E at Base 2.1.18
  _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_16NxsIntStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EEaSERKSF_ at Base 2.1.21+git20171002.4becff7
  (optional)_ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_17NxsRealStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE11equal_rangeERS7_ at Base 2.1.21+git20171002.4becff7
- _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_17NxsRealStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE16_M_insert_uniqueIS6_IS5_S8_EEES6_ISt17_Rb_tree_iteratorIS9_EbEOT_ at Base 2.1.18
+#MISSING: 2.1.21+git20171002.4becff7-2# _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_17NxsRealStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE16_M_insert_uniqueIS6_IS5_S8_EEES6_ISt17_Rb_tree_iteratorIS9_EbEOT_ at Base 2.1.18
+ _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_17NxsRealStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE17_M_emplace_uniqueIJS6_IS5_S8_EEEES6_ISt17_Rb_tree_iteratorIS9_EbEDpOT_ at Base 2.1.21+git20171002.4becff7-2
  (optional)_ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_17NxsRealStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE4findERS7_ at Base 2.1.21+git20171002.4becff7
  _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_17NxsRealStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE5eraseERS7_ at Base 2.1.18
  _ZNSt8_Rb_treeINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4pairIKS5_17NxsRealStepMatrixESt10_Select1stIS9_ESt4lessIS5_ESaIS9_EE7_M_copyINSF_20_Reuse_or_alloc_nodeEEEPSt13_Rb_tree_nodeIS9_EPKSJ_PSt18_Rb_tree_node_baseRT_ at Base 2.1.18
@@ -1214,7 +1216,7 @@