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liblzma: Use _MSVC_LANG to detect when "noexcept" can be used with MSVC.

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By default, MSVC always sets __cplusplus to 199711L. The real
C++ standard version is available in _MSVC_LANG (or one could
use /Zc:__cplusplus to set __cplusplus correctly).

Fixes <https://sourceforge.net/p/lzmautils/discussion/708858/thread/f6bc3b108a/>.

Thanks to Dan Weiss.
This commit is contained in:
Lasse Collin 2021-09-09 21:41:51 +03:00
parent c2fde22bef
commit d8b294af03
1 changed files with 2 additions and 1 deletions
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3
src/liblzma/api/lzma.h
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@ -219,7 +219,8 @@
*/ */
#ifndef lzma_nothrow #ifndef lzma_nothrow
# if defined(__cplusplus) # if defined(__cplusplus)
# if __cplusplus >= 201103L # if __cplusplus >= 201103L || (defined(_MSVC_LANG) \
&& _MSVC_LANG >= 201103L)
# define lzma_nothrow noexcept # define lzma_nothrow noexcept
# else # else
# define lzma_nothrow throw() # define lzma_nothrow throw()