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ICU-22721 extend char16_t workaround to cygwin less than 3.5

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uchar.h was added in Cygwin version 3.5.0.  Unfortunately, the last version of Cygwin that supported i686 was 3.3.6, so it is still somewhat relevant to a subset of users.
This commit is contained in:
jeremyd2019 2024-06-13 12:36:19 -07:00 • committed by Markus Scherer
parent 0f022dca90
commit ed68cff34e
1 changed files with 5 additions and 2 deletions
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7
icu4c/source/common/unicode/platform.h
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@ -154,6 +154,8 @@
# define U_PLATFORM U_PF_MINGW
#elif defined(__CYGWIN__)
# define U_PLATFORM U_PF_CYGWIN
/* Cygwin uchar.h doesn't exist until Cygwin 3.5. */
# include <cygwin/version.h>
#elif defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
# define U_PLATFORM U_PF_WINDOWS
#elif defined(__ANDROID__)
@ -722,9 +724,10 @@
/*
* Notes:
* C++11 and C11 require support for UTF-16 literals
* Doesn't work on Mac C11 (see workaround in ptypes.h).
* Doesn't work on Mac C11 (see workaround in ptypes.h)
* or Cygwin less than 3.5.
*/
# if defined(__cplusplus) || !U_PLATFORM_IS_DARWIN_BASED
# if defined(__cplusplus) || !(U_PLATFORM_IS_DARWIN_BASED || (U_PLATFORM == U_PF_CYGWIN && CYGWIN_VERSION_DLL_MAJOR < 3005))
# define U_HAVE_CHAR16_T 1
# else
# define U_HAVE_CHAR16_T 0