diff -Nru mpdecimal-2.5.0/debian/changelog mpdecimal-2.5.0/debian/changelog
--- mpdecimal-2.5.0/debian/changelog	2020-08-06 13:33:23.000000000 +0000
+++ mpdecimal-2.5.0/debian/changelog	2020-08-20 02:50:40.000000000 +0000
@@ -1,3 +1,9 @@
+mpdecimal (2.5.0-4+rpi1) bullseye-staging; urgency=medium
+
+  * Update symbols file for raspbian.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Thu, 20 Aug 2020 02:50:40 +0000
+
 mpdecimal (2.5.0-4) unstable; urgency=medium
 
   * Update symbols files.
diff -Nru mpdecimal-2.5.0/debian/libmpdec.symbols.in mpdecimal-2.5.0/debian/libmpdec.symbols.in
--- mpdecimal-2.5.0/debian/libmpdec.symbols.in	2020-08-06 13:33:23.000000000 +0000
+++ mpdecimal-2.5.0/debian/libmpdec.symbols.in	2020-08-20 02:50:32.000000000 +0000
@@ -425,11 +425,11 @@
  _ZNK7decimal7Decimal4reprB5cxx11Eb@Base 2.5
  (arch=!ia64 !ppc64el !kfreebsd-amd64 !kfreebsd-i386)_ZNK7decimal7Decimal6to_sciB5cxx11Eb@Base 2.5
  (arch=ia64)_ZNSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE10_M_releaseEv@Base 2.5
- (arch=!armel !riscv64)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE10_M_destroyEv@Base 2.5
- (arch=!armel !riscv64)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE10_M_disposeEv@Base 2.5
- (arch=!armel !riscv64)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE14_M_get_deleterERKSt9type_info@Base 2.5
- (arch=!armel !riscv64)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EED0Ev@Base 2.5
- (arch=!armel !riscv64)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EED1Ev@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE10_M_destroyEv@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE10_M_disposeEv@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE14_M_get_deleterERKSt9type_info@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EED0Ev@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EED1Ev@Base 2.5
  (arch=ia64)_ZNSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EED2Ev@Base 2.5
  (arch=ia64)_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_M_constructIPcEEvT_S7_St20forward_iterator_tag@Base 2.5
  _ZTHN7decimal7contextE@Base 2.5
@@ -450,9 +450,9 @@
  _ZTIN7decimal8OverflowE@Base 2.5
  _ZTIN7decimal9SubnormalE@Base 2.5
  _ZTIN7decimal9UnderflowE@Base 2.5
- (arch=!armel !riscv64)_ZTISt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
- (arch=!armel !riscv64)_ZTISt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
- (arch=!armel !riscv64)_ZTISt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTISt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTISt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTISt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
  (arch=armel riscv64)_ZTIN9__gnu_cxx7__mutexE@Base 2.5
  (arch=armel riscv64)_ZTISt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE1EE@Base 2.5
  (arch=armel riscv64)_ZTISt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE1EE@Base 2.5
@@ -474,9 +474,9 @@
  _ZTSN7decimal8OverflowE@Base 2.5
  _ZTSN7decimal9SubnormalE@Base 2.5
  _ZTSN7decimal9UnderflowE@Base 2.5
- (arch=!armel !riscv64)_ZTSSt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
- (arch=!armel !riscv64)_ZTSSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
- (arch=!armel !riscv64)_ZTSSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTSSt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTSSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTSSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
  (arch=armel riscv64)_ZTSN9__gnu_cxx7__mutexE@Base 2.5
  (arch=armel riscv64)_ZTSSt11_Mutex_baseILN9__gnu_cxx12_Lock_policyE1EE@Base 2.5
  (arch=armel riscv64)_ZTSSt16_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE1EE@Base 2.5
@@ -498,4 +498,4 @@
  _ZTVN7decimal8OverflowE@Base 2.5
  _ZTVN7decimal9SubnormalE@Base 2.5
  _ZTVN7decimal9UnderflowE@Base 2.5
- (arch=!armel !riscv64)_ZTVSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE@Base 2.5
+ (optional=notarmelnotriscvandprobabllynotraspbian)_ZTVSt19_Sp_counted_deleterIPKcZN7decimal4util9shared_cpES1_EUlS1_E_SaIvELN9__gnu_cxx12_Lock_policyE2EE@Base 2.5