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author | Paolo Carlini <pcarlini@suse.de> | 2008-01-06 22:30:32 +0000 |
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committer | Paolo Carlini <paolo@gcc.gnu.org> | 2008-01-06 22:30:32 +0000 |
commit | ba551ec2775f53e7aab5eefd133e777d1edecd78 (patch) | |
tree | 49f6db21770fca4683407960abea244f2719be10 /gcc/c-cppbuiltin.c | |
parent | 5989df83be8402add1f7cad75ee98e7a8ac2dbda (diff) | |
download | gcc-ba551ec2775f53e7aab5eefd133e777d1edecd78.tar.gz |
re PR libstdc++/34680 (Unconditional use of dynamic_cast in locale_facets.tcc breaks compilation with -fno-rtti)
gcc/
2008-01-06 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/34680
* c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
* doc/cpp.texi ([Common Predefined Macros]): Document.
gcc/testsuite/
2008-01-06 Paolo Carlini <pcarlini@suse.de>
PR libstdc++/34680
* g++.dg/rtti/predefined-rtti-macro-1.C: New.
* g++.dg/rtti/predefined-rtti-macro-2.C: Likewise.
From-SVN: r131366
Diffstat (limited to 'gcc/c-cppbuiltin.c')
-rw-r--r-- | gcc/c-cppbuiltin.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/c-cppbuiltin.c b/gcc/c-cppbuiltin.c index e201b058f5f..86c3f9cfff2 100644 --- a/gcc/c-cppbuiltin.c +++ b/gcc/c-cppbuiltin.c @@ -449,6 +449,8 @@ c_cpp_builtins (cpp_reader *pfile) cpp_define (pfile, "__GXX_WEAK__=0"); if (warn_deprecated) cpp_define (pfile, "__DEPRECATED"); + if (flag_rtti) + cpp_define (pfile, "__GXX_RTTI"); if (cxx_dialect == cxx0x) cpp_define (pfile, "__GXX_EXPERIMENTAL_CXX0X__"); } |