diff options
| author | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
|---|---|---|
| committer | V3n3RiX <venerix@redcorelinux.org> | 2017-10-09 18:53:29 +0100 |
| commit | 4f2d7949f03e1c198bc888f2d05f421d35c57e21 (patch) | |
| tree | ba5f07bf3f9d22d82e54a462313f5d244036c768 /metadata/news/2015-10-22-gcc-5-new-c++11-abi | |
reinit the tree, so we can have metadata
Diffstat (limited to 'metadata/news/2015-10-22-gcc-5-new-c++11-abi')
| -rw-r--r-- | metadata/news/2015-10-22-gcc-5-new-c++11-abi/2015-10-22-gcc-5-new-c++11-abi.en.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/metadata/news/2015-10-22-gcc-5-new-c++11-abi/2015-10-22-gcc-5-new-c++11-abi.en.txt b/metadata/news/2015-10-22-gcc-5-new-c++11-abi/2015-10-22-gcc-5-new-c++11-abi.en.txt new file mode 100644 index 000000000000..9760753cee3c --- /dev/null +++ b/metadata/news/2015-10-22-gcc-5-new-c++11-abi/2015-10-22-gcc-5-new-c++11-abi.en.txt @@ -0,0 +1,26 @@ +Title: GCC 5 Defaults to the New C++11 ABI +Author: Mike Frysinger <vapier@gentoo.org> +Content-Type: text/plain +Posted: 2015-10-22 +Revision: 2 +News-Item-Format: 1.0 +Display-If-Installed: >=sys-devel/gcc-5 + +GCC 5 uses the new C++ ABI by default. When building new code, you might run +into link time errors that include lines similar to: +...: undefined reference to '_ZNSt6chrono12steady_clock3nowEv@GLIBCXX_3.4.17' + +Or you might see linkage failures with "std::__cxx11::string" in the output. + +These are signs that you need to rebuild packages using the new C++ ABI. +You can quickly do so by using revdep-rebuild (from gentoolkit). + +For gentoolkit-0.3.1 or higher: +# revdep-rebuild --library 'libstdc++.so.6' -- --exclude gcc + +For previous versions of gentoolkit: +# revdep-rebuild --library 'libstdc\+\+\.so\.6' -- --exclude gcc + +For more details, feel free to peruse: +https://developerblog.redhat.com/2015/02/05/gcc5-and-the-c11-abi/ +https://blogs.gentoo.org/blueness/2015/03/10/the-c11-abi-incompatibility-problem-in-gentoo/ |