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issue: Fix compilation with clang #1051

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issue: Fix compilation with clang #1051

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@pasis pasis commented Nov 1, 2023

Description

Fix compilation errors and warnings with clang.

What

Fix compilation errors and warnings with clang.

Why ?

Compilation issues.

Change type

What kind of change does this PR introduce?

  • Bugfix
  • Feature
  • Code style update
  • Refactoring (no functional changes, no api changes)
  • Build related changes
  • CI related changes
  • Documentation content changes
  • Tests
  • Other

Check list

  • Code follows the style de facto guidelines of this project
  • Comments have been inserted in hard to understand places
  • Documentation has been updated (if necessary)
  • Test has been added (if possible)

sock-redirect implements read(), recv(), etc with intention to override
them. However, some versions of glibc provide "fortified" calls. This is
implemented by making regular symbols as inline wrappers on top of
__read_chk() or similar.

gcc allows to redefine such inline wrappers with specific attributes,
but clang fails with an error.

As a workaround for clang, rename glibc wrappers on the preprocessing
stage.

Signed-off-by: Dmytro Podgornyi <[email protected]>
This fixes compilation error on a system with glibc-2.30 or higher.

Signed-off-by: Dmytro Podgornyi <[email protected]>
Clang doesn't allow variable sized type not at the end of a struct
claiming this is a GNU extension. Make a union instead of adding an
array after the variable sized field.

This fixes vmad compilation with clang.

Signed-off-by: Dmytro Podgornyi <[email protected]>
Suppress "dead nested assignment" warnings.

Signed-off-by: Dmytro Podgornyi <[email protected]>
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Can one of the admins verify this patch?

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2 participants