diff options
| -rw-r--r-- | default.exports | 4 | ||||
| -rw-r--r-- | main/asterisk.exports.in | 19 |
2 files changed, 23 insertions, 0 deletions
diff --git a/default.exports b/default.exports index 5e767549c..6d9344d3b 100644 --- a/default.exports +++ b/default.exports @@ -1,4 +1,8 @@ { + global: + /* See main/asterisk.exports.in for an explanation why this is + * needed. */ + _IO_stdin_used; local: *; }; diff --git a/main/asterisk.exports.in b/main/asterisk.exports.in index 3f32be1d5..364b3b05e 100644 --- a/main/asterisk.exports.in +++ b/main/asterisk.exports.in @@ -49,6 +49,25 @@ LINKER_SYMBOL_PREFIXres_srtp; LINKER_SYMBOL_PREFIXres_srtp_policy; LINKER_SYMBOL_PREFIXsecure_call_info; + /* + + If _IO_stdin_used is not exported, stdout/stderr may not get + properly aligned. That causes breakage on some architectures. + + http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634261#51 + http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=634261#94 + http://lists.gnu.org/archive/html/bug-glibc/2001-12/msg00203.html + + We export the symbol to get proper behaviour. Now printf + doesn't SIGBUS anymore on the SPARC. + + Michael Karcher wrote on Jan 13, 2013: + > A build process that mangles the export of _IO_stdin_used is + > (as defined by the libc ABI, even if not explicitly written + > down) broken. [...] + + */ + LINKER_SYMBOL_PREFIX_IO_stdin_used; local: *; }; |