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Fix mingw hanging on regex in context (#9729)

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Co-authored-by: Dmitry Razdoburdin <>
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Dmitry Razdoburdin 2023-10-27 14:01:35 +02:00 committed by GitHub
parent 1323531323
commit 9c22df9342
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1 changed files with 14 additions and 2 deletions
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16
src/context.cc
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@ -114,13 +114,25 @@ DeviceOrd CUDAOrdinal(DeviceOrd device, bool) {
#endif // defined(__MINGW32__) #endif // defined(__MINGW32__)
// handle alias // handle alias
#if defined(__MINGW32__)
// mingw hangs on regex using rtools 430. Basic checks only.
bool is_sycl = (substr == "syc");
#else
bool is_sycl = std::regex_match(input, std::regex("sycl(:cpu|:gpu)?(:-1|:[0-9]+)?"));
#endif // defined(__MINGW32__)
std::string s_device = input; std::string s_device = input;
if (!std::regex_match(s_device, std::regex("sycl(:cpu|:gpu)?(:-1|:[0-9]+)?"))) { if (!is_sycl) {
s_device = std::regex_replace(s_device, std::regex{"gpu"}, DeviceSym::CUDA()); s_device = std::regex_replace(s_device, std::regex{"gpu"}, DeviceSym::CUDA());
} }
auto split_it = std::find(s_device.cbegin(), s_device.cend(), ':'); auto split_it = std::find(s_device.cbegin(), s_device.cend(), ':');
if (std::regex_match(s_device, std::regex("sycl:(cpu|gpu)?"))) split_it = s_device.cend();
// For these cases we need to move iterator to the end, not to look for a ordinal.
if ((s_device == "sycl:cpu") ||
(s_device == "sycl:gpu")) {
split_it = s_device.cend();
}
// For s_device like "sycl:gpu:1" // For s_device like "sycl:gpu:1"
if (split_it != s_device.cend()) { if (split_it != s_device.cend()) {