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c7a5d780
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2021-09-30T03:39:57
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build: Allow building with -flto on gcc-10 and newer
Global asm statements (like .symver directives) do not work reliably
in gcc with link time optimization. Use the symver attribute introduced
with gcc-10 to set symbol versions instead, if available.
[guillem@hadrons.org:
- Simplify by using __has_attribute fallback from <sys/cdefs.h>.
- Coding style changes. ]
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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4feda870
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2021-02-11T04:40:48
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Require a semicolon for libbsd_link_warning() macro
Remove the semicolon in the macro definition to force adding one on the
call sites, to make the code look like an actual function.
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2e071c3c
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2019-08-06T19:14:29
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build: Support platforms without symbol versioning
The .symver directive is ELF-specific. On non-ELF platforms, work around
this with __attribute__((__alias__)) for the default symbol, and ignore
the variant versioned symbols.
Based-on-patch-by: Aaron Dierking <aarond@fb.com>
Signed-off-by: Guillem Jover <guillem@hadrons.org>
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890699a7
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2019-08-06T18:51:45
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build: Abstract symbol versioning via new libbsd_symver_* macros
This makes it more obvious what they are doing. It will make it easier
to make these directives more portable, as they are really ELF specific.
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574c7a13
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2018-06-18T00:36:44
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Protect C language extensions with two leading and trailing underscores
This should make their usage safer against user macros.
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41ff37bb
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2015-09-22T16:21:12
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build: Add support for linker warnings
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