As reported in the PR, abi_check fails on Solaris 10 and 11 since about
20120817. On Solaris 10, I get
1 incompatible symbols
0
_ZNSt12system_errorC1ESt10error_codeRKSs
std::system_error::system_error(std::error_code, std::string const&)
version status: incompatible
GLIBCXX_3.4.11
type: function
status: added
On Solaris 11, there's also
0
_ZNSt12system_errorC2ESt10error_codeRKSs
std::system_error::system_error(std::error_code, std::string const&)
version status: incompatible
GLIBCXX_3.4.11
type: function
status: added
This is in
libstdc++.a[thread.o]: [59] | 0| 418|FUNC |WEAK |0 |12
|_ZNSt12system_errorC1ESt10error_codeRKSs
libstdc++convenience.a[thread.o]: [59] | 0| 418|FUNC |WEAK |0
|12 |_ZNSt12system_errorC1ESt10error_codeRKSs
A reghunt revealed that this was introduced by
2012-08-12 Jonathan Wakely <jwakely....@gmail.com>
PR libstdc++/52681
* src/c++11/thread.cc (thread::_M_start_thread): Improve error text
when threads are not enabled.
The issue seems to be the same as in PR libstdc++/52188, so I'm applying
the same solution.
Bootstrapped without regressions on i386-pc-solaris2.10 and
x86_64-unknown-linux-gnu, ok for mainline?
Rainer
2012-10-10 Rainer Orth <r...@cebitec.uni-bielefeld.de>
PR libstdc++/54872
* config/abi/pre/gnu.ver (GLIBCXX_3.4.11) [!__sun__ && !__svr4__]:
Don't export _ZNSt12system_errorC*.
# HG changeset patch
# Parent 96f017dc93056ecab9e13f15598c2f607ca591ab
Fix Solaris symbol versioning (PR libstdc++/54872)
diff --git a/libstdc++-v3/config/abi/pre/gnu.ver b/libstdc++-v3/config/abi/pre/gnu.ver
--- a/libstdc++-v3/config/abi/pre/gnu.ver
+++ b/libstdc++-v3/config/abi/pre/gnu.ver
@@ -1057,7 +1057,12 @@ GLIBCXX_3.4.11 {
_ZTISt12system_error;
_ZTVSt12system_error;
_ZNSt12system_errorD*Ev;
+ # Those template instantiations weren't exported on Solaris in GCC 4.6
+ # and aren't necessary for correct operation, so don't emit them now
+ # (PR libstdc++/54872).
+#if !defined(__sun__) && !defined(__svr4__)
_ZNSt12system_errorC*;
+#endif
_ZNKSt4hashISt10error_codeEclES0_;
--
-----------------------------------------------------------------------------
Rainer Orth, Center for Biotechnology, Bielefeld University
