On 29/10/20 21:41 +0000, Jonathan Wakely wrote:
On 29/10/20 21:06 +0100, Rainer Orth wrote:
Tightening the patterns as in the attached patch at least allows
libstdc++.so.6 to link on i386-pc-solaris2.11; full bootstrap still
running. However, I can't tell if this is really correct.
I think we want this attached patch instead. It tightens them up to
exactly the symbols we actually need to export and no more. This will
avoid needing to tighten them again in the near future when the new
overloads of str() are added.
diff --git a/libstdc++-v3/config/abi/pre/gnu.ver
b/libstdc++-v3/config/abi/pre/gnu.ver
index 80994b203df..4dddfd3d263 100644
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -1791,11 +1791,11 @@ GLIBCXX_3.4.21 {
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EEC[12]ESt13_Ios_Openmode;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EED[012]Ev;
_ZNSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE[a34]*;
- _ZNKSt7__cxx1115basic_stringbuf*;
+ _ZNKSt7__cxx1115basic_stringbufI[cw]St11char_traitsI[cw]ESaI[cw]EE3strEv;
_ZNKSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE3strEv;
_ZNKSt7__cxx1118basic_stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE5rdbufEv;
- _ZNKSt7__cxx1119basic_istringstream*;
- _ZNKSt7__cxx1119basic_ostringstream*;
+
_ZNKSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE3strEv;
+
_ZNKSt7__cxx1119basic_[io]stringstreamI[cw]St11char_traitsI[cw]ESaI[cw]EE5rdbufEv;
_ZT[ISTV]NSt7__cxx1115basic_stringbuf*;
_ZT[ISTV]NSt7__cxx1118basic_stringstream*;
_ZT[ISTV]NSt7__cxx1119basic_istringstream*;
Pushed to trunk now.
