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Fix harmless MSVS warning about using undefined _MANAGED symbol (#2183)

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Since the changes of 1305cbeb (Fix MSVC2019 error C2049 when compiling
with /clr (#1897), 2020-09-23), compiling fmt with MSVS 2019 resulted in

fmt\include\fmt\core.h(180,32): warning C4668: '_MANAGED' is not defined
as a preprocessor macro, replacing with '0' for '#if/#elif'.

when the (disabled by default) warning C4668 was enabled.

Fix this simply by checking if _MANAGED is defined before testing it.
This commit is contained in:
VZ 2021-03-17 19:21:50 +01:00 committed by GitHub
parent d0bded5988
commit 2f3f3862fa
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1 changed files with 1 additions and 1 deletions
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include/fmt/core.h
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@ -177,7 +177,7 @@
#ifndef FMT_USE_INLINE_NAMESPACES
# if FMT_HAS_FEATURE(cxx_inline_namespaces) || FMT_GCC_VERSION >= 404 || \
(FMT_MSC_VER >= 1900 && !_MANAGED)
(FMT_MSC_VER >= 1900 && (!defined(_MANAGED) || !_MANAGED))
# define FMT_USE_INLINE_NAMESPACES 1
# else
# define FMT_USE_INLINE_NAMESPACES 0