configure: Detect msvcrt libc with a CPP check instead of a link check
Simplifies host/target libc detection splitting.
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configure
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2
configure
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@ -3393,7 +3393,7 @@ elif check_header _mingw.h; then
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(__MINGW32_MAJOR_VERSION == 3 && __MINGW32_MINOR_VERSION >= 15)" ||
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die "ERROR: MinGW runtime version must be >= 3.15."
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add_cppflags -U__STRICT_ANSI__
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elif check_func_headers stdlib.h _get_doserrno; then
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elif check_cpp_condition crtversion.h "defined _VC_CRT_MAJOR_VERSION"; then
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libc_type=msvcrt
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add_compat strtod.o strtod=avpriv_strtod
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add_compat msvcrt/snprintf.o snprintf=avpriv_snprintf \
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