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libstdc++: guard c++config pragmas

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c++config needs to be compilable as C, in which mode we complain about the
-Wc++ pragmas.

libstdc++-v3/ChangeLog:

	* include/bits/c++config: Don't try to disable -Wc++??-extensions
	when compiling as C.
This commit is contained in:
Jason Merrill 2024-09-21 13:30:31 -04:00
parent 2620e3727d
commit 358db2e3ed
1 changed files with 2 additions and 0 deletions
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2
libstdc++-v3/include/bits/c++config
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@ -34,8 +34,10 @@
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wvariadic-macros"
#if __cplusplus
#pragma GCC diagnostic ignored "-Wc++11-extensions"
#pragma GCC diagnostic ignored "-Wc++23-extensions" // bf16
#endif
// The major release number for the GCC release the C++ library belongs to.
#define _GLIBCXX_RELEASE