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Avoid clang warnings regarding [[__nodiscard__]].
authorBruno Haible <bruno@clisp.org>
Sat, 28 Jan 2023 10:52:40 +0000 (11:52 +0100)
committerBruno Haible <bruno@clisp.org>
Sat, 28 Jan 2023 10:52:40 +0000 (11:52 +0100)
commit8ca04dc0ceb71ff5b863c7f656898ab339aeb406
tree43192df38821809e18d09d15a97e42d7a22d00b2
parent8dbafdffb4f46df26305a5db19f03228a51473b6
Avoid clang warnings regarding [[__nodiscard__]].

* m4/gnulib-common.m4 (gl_COMMON_BODY): For clang, in C++ mode, ignore
the __has_c_attribute value and define _GL_ATTRIBUTE_NODISCARD to
__attribute__ ((__warn_unused_result__)), not [[__nodiscard__]].
ChangeLog
m4/gnulib-common.m4