| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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This got lost in the bump for 19.1.4 as it copied from 19.1.3 rather than
19.1.3-r1.
Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Atomic builtins fail to build with GCC. Furthermore, they are not needed
on systems with GCC, because libatomic can be used on them. Atomic
builtins are mostly useful on LLVM-based systems.
Guard them behind the `atomic-builtins` IUSE flag. That flag depends on
`clang`.
Bug: https://bugs.gentoo.org/943129
Signed-off-by: Michal Rostecki <vadorovsky@protonmail.com>
Closes: https://github.com/gentoo/gentoo/pull/39260
Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Several packages depend on GCC's libatomic to perform atomic operations.
For example, this compiles without -latomic:
```c
_Atomic struct {
int v[1];
} a;
atomic_store(&a, a);
```
But this fails with error "undefined reference to __atomic_store_16"
without -latomic:
```c
_Atomic struct {
int v[4];
} b;
atomic_store(&b, b);
```
LLVM does not have a libatomic.so, but an atomic builtin to support such
operations. However, it is disabled by default to allow use of system
libatomic while using LLVM as a compiler. Pure LLVM environments
without GCC installed require this builtin. This commit adds
`-DCOMPILER_RT_EXCLUDE_ATOMIC_BUILTIN=OFF` cmake option to enable
the builtin.
Bug: https://bugs.gentoo.org/911340
Signed-off-by: mojyack <mojyack@gmail.com>
Closes: https://github.com/gentoo/gentoo/pull/39168
Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Without this, when trying to emerge the non-latest slot of sys-devel/clang
with no others installed, we end up pulling in latest Clang unnecessarily.
Bug: https://bugs.gentoo.org/883225
Reported-by: Calvin Buckley <calvin@cmpct.info>
Signed-off-by: Sam James <sam@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Arthur Zamarin <arthurzam@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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Signed-off-by: Michał Górny <mgorny@gentoo.org>
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