https://github.com/Kitware/CMake
Revision 4b0c4ca3d82a6645c5fd4c7bf21875810ccaa2e4 authored by Brad King on 27 July 2020, 14:43:05 UTC, committed by Kitware Robot on 27 July 2020, 14:45:14 UTC
36fc3a1e84 Xcode: Suppress legacy build system deprecation warning Acked-by: Kitware Robot <kwrobot@kitware.com> Merge-request: !5052
Tip revision: 4b0c4ca3d82a6645c5fd4c7bf21875810ccaa2e4 authored by Brad King on 27 July 2020, 14:43:05 UTC
Merge topic 'xcode-12-legacy-deprecation' into release-3.18
Merge topic 'xcode-12-legacy-deprecation' into release-3.18
Tip revision: 4b0c4ca
cmPathLabel.cxx
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmPathLabel.h"
#include <utility>
cmPathLabel::cmPathLabel(std::string label)
: Label(std::move(label))
, Hash(0)
{
// Use a Jenkins one-at-a-time hash with under/over-flow protection
for (char i : this->Label) {
this->Hash += i;
this->Hash += ((this->Hash & 0x003FFFFF) << 10);
this->Hash ^= ((this->Hash & 0xFFFFFFC0) >> 6);
}
this->Hash += ((this->Hash & 0x1FFFFFFF) << 3);
this->Hash ^= ((this->Hash & 0xFFFFF800) >> 11);
this->Hash += ((this->Hash & 0x0001FFFF) << 15);
}
bool cmPathLabel::operator<(const cmPathLabel& l) const
{
return this->Hash < l.Hash;
}
bool cmPathLabel::operator==(const cmPathLabel& l) const
{
return this->Hash == l.Hash;
}
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