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Add an explicit check for gcc version

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This doesn't cost much and might be helpful to people accidentally using
an ancient compiler version.
This commit is contained in:
Vadim Zeitlin 2022-10-09 18:49:05 +02:00
parent 23a57b981f
commit e1d63e5629
1 changed files with 12 additions and 0 deletions
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12
include/wx/compiler.h
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@ -81,6 +81,18 @@
#define wxCHECK_GCC_VERSION( major, minor ) \
( ( __GNUC__ > (major) ) \
|| ( __GNUC__ == (major) && __GNUC_MINOR__ >= (minor) ) )
/*
clang predefines __GNUC__ and __GNUC_MINOR__ as 4 and 6, don't give an
error below for it.
*/
#if defined(__clang__)
#if __clang_major__ < 3 || (__clang_major__ == 3 && __clang_minor__ < 4)
#error "This clang version is not supported any longer (at least clang 3.4 required)."
#endif
#elif !wxCHECK_GCC_VERSION(4, 8)
#error "This gcc version is not supported any longer (at least gcc 4.8 required)."
#endif
#else
#define wxCHECK_GCC_VERSION( major, minor ) 0
#endif