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* [gcc r11-4801] libstdc++: Fix symbol version conflict in linker script
@ 2020-11-06 20:14 Jonathan Wakely
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From: Jonathan Wakely @ 2020-11-06 20:14 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:887515acd27e49c176395ab76d5826959d89cb9b
commit r11-4801-g887515acd27e49c176395ab76d5826959d89cb9b
Author: Jonathan Wakely <jwakely@redhat.com>
Date: Fri Nov 6 19:53:36 2020 +0000
libstdc++: Fix symbol version conflict in linker script
The change in r11-4748-50b840ac5e1d6534e345c3fee9a97ae45ced6bc7 causes
a build error on Solaris, due to the new explicit instantiation matching
patterns for two different symbol versions.
libstdc++-v3/ChangeLog:
* config/abi/pre/gnu.ver (GLIBCXX_3.4.21): Tighten up patterns
for basic_stringbuf that refer to __xfer_bufptrs.
Diff:
---
libstdc++-v3/config/abi/pre/gnu.ver | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libstdc++-v3/config/abi/pre/gnu.ver b/libstdc++-v3/config/abi/pre/gnu.ver
index ed68ffa2872..2d0f87aa7cc 100644
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -1774,7 +1774,8 @@ GLIBCXX_3.4.21 {
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ERKNS_12basic_stringI[cw]S2_S3_EESt13_Ios_Openmode;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ESt13_Ios_Openmode;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EED[012]Ev;
- _ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]*__xfer_bufptrs*;
+ _ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOS4_ONS4_14__xfer_bufptrsE;
+ _ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]14__xfer_bufptrs[CD][12]*;
_ZNSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EE[a1346789]*;
# _ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]*;
_ZNSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]EOS4_;
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