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e0976d7e
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2023-04-02T22:33:25
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build: Add a new libbsd_strong_alias() macro and switch users to it
We had several cases of code needing a strong alias, so we switch those
to use the new macro. This covers systems that support the alias
attribute and others such as macOS where we need to use assembler
directives to add the alias as the attribute is not supported.
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49c7dd1c
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2023-04-02T22:32:11
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build: Only emit link warnings for ELF objects
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500b3080
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2021-11-28T22:34:59
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build: Add new libbsd_symver_weak() macro
We will use it for the reworked md5 deprecation logic.
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6a71b24b
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2021-11-27T22:52:28
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build: Append __ after __attribute and __typeof keywords
Be consistent with other usages in the code base.
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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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