-D_GLIBCXX_ASSERTIONS enables assertions in libstdc++ which can catch inconsistencies and unexpected runtime state. Fedora has used it for their packages for quite a while (with the endorsement of the libstdc++ maintainer).
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=224f6241ec785ccc386eb191df36d919e9b62351 commit 224f6241ec785ccc386eb191df36d919e9b62351 Author: Sam James <sam@gentoo.org> AuthorDate: 2022-12-28 17:54:22 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2022-12-28 17:54:22 +0000 12.2.0: add patches for FORTIFY_SOURCE=3, default GLIBCXX_ASSERTIONS Bug: https://bugs.gentoo.org/876895 Bug: https://bugs.gentoo.org/884417 Bug: https://bugs.gentoo.org/847148 Bug: https://bugs.gentoo.org/876893 Signed-off-by: Sam James <sam@gentoo.org> 12.2.0/gentoo/01_all_default-fortify-source.patch | 8 ++++++-- 12.2.0/gentoo/15_all_DEF_GENTOO_GLIBCXX_ASSERTIONS.patch | 14 ++++++++++++++ 12.2.0/gentoo/README.history | 4 ++++ 3 files changed, 24 insertions(+), 2 deletions(-)
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=a40e388337e2fc6847c6cd48fc1b19eafc55b1c6 commit a40e388337e2fc6847c6cd48fc1b19eafc55b1c6 Author: Sam James <sam@gentoo.org> AuthorDate: 2022-12-28 19:18:19 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2022-12-31 23:47:03 +0000 sys-devel/gcc: add 12.2.1_p20221231, USE=hardened changes USE=hardened will now imply: - default -D_FORTIFY_SOURCE=3 (instead of 2 for normal profiles) - default -D_GLIBCXX_ASSERTIONS Bug: https://bugs.gentoo.org/876895 Bug: https://bugs.gentoo.org/884417 Bug: https://bugs.gentoo.org/847148 Bug: https://bugs.gentoo.org/876893 Signed-off-by: Sam James <sam@gentoo.org> sys-devel/gcc/Manifest | 2 ++ sys-devel/gcc/gcc-12.2.1_p20221231.ebuild | 52 +++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+) https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=288bc9aff2e91f6a443e8c09f080ffc9f633b07e commit 288bc9aff2e91f6a443e8c09f080ffc9f633b07e Author: Sam James <sam@gentoo.org> AuthorDate: 2022-12-28 19:17:12 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2022-12-31 23:30:45 +0000 toolchain.eclass: prepare for USE=hardened => FORTIFY_SOURCE=3, assertions USE=hardened will now imply: - default -D_FORTIFY_SOURCE=3 (instead of 2 for normal profiles) - default -D_GLIBCXX_ASSERTIONS Bug: https://bugs.gentoo.org/876895 Bug: https://bugs.gentoo.org/884417 Bug: https://bugs.gentoo.org/847148 Bug: https://bugs.gentoo.org/876893 Signed-off-by: Sam James <sam@gentoo.org> eclass/toolchain.eclass | 4 ++++ 1 file changed, 4 insertions(+)
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=3ffccf8150c87234124ba1a72b11b829bb17dd15 commit 3ffccf8150c87234124ba1a72b11b829bb17dd15 Author: Sam James <sam@gentoo.org> AuthorDate: 2023-01-30 01:10:18 +0000 Commit: Sam James <sam@gentoo.org> CommitDate: 2023-01-30 17:37:04 +0000 toolchain-funcs.eclass: add tc-enables-cxx-assertions Bug: https://bugs.gentoo.org/884417 Bug: https://bugs.gentoo.org/876895 Signed-off-by: Sam James <sam@gentoo.org> eclass/toolchain-funcs.eclass | 9 +++++++++ 1 file changed, 9 insertions(+)
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d7c0d71054fd98e8105ccf7a6173aa6e42bff146 commit d7c0d71054fd98e8105ccf7a6173aa6e42bff146 Author: Alfredo Tupone <tupone@gentoo.org> AuthorDate: 2023-11-14 21:26:52 +0000 Commit: Alfredo Tupone <tupone@gentoo.org> CommitDate: 2023-11-14 21:27:41 +0000 dev-libs/libnop: Failures with -D_GLIBCXX_ASSERTIONS Closes: https://bugs.gentoo.org/884417 Signed-off-by: Alfredo Tupone <tupone@gentoo.org> dev-libs/libnop/files/libnop-2021.11.03-libstdc++.patch | 11 +++++++++++ dev-libs/libnop/libnop-2021.11.03.ebuild | 2 ++ 2 files changed, 13 insertions(+)
