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描述
OpenEXR 3.3.5 fails to build against Imath 3.2.1 using Clang (20.1.8) on MSYS2 (CLANG64 or CLANGARM64 environments):
FAILED: [code=1] src/lib/OpenEXR/CMakeFiles/OpenEXR.dir/ImfBoxAttribute.cpp.obj
D:\M\msys64\clang64\bin\clang++.exe -DIMATH_DLL -DOPENEXR_DLL -DOPENEXR_EXPORTS -DOpenEXR_EXPORTS -ID:/_/B/src/build-CLANG64/src/lib/OpenEXR -ID:/_/B/src/openexr-3.3.5/src/lib/OpenEXR -ID:/_/B/src/build-CLANG64/cmake -ID:/_/B/src/openexr-3.3.5/src/lib/Iex -ID:/_/B/src/openexr-3.3.5/src/lib/IlmThread -ID:/_/B/src/openexr-3.3.5/src/lib/OpenEXRCore -isystem D:/M/msys64/clang64/include/Imath -march=nocona -msahf -mtune=generic -O2 -pipe -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector-strong -Wp,-D__USE_MINGW_ANSI_STDIO=1 -Wno-ignored-attributes -O3 -DNDEBUG -fvisibility=hidden -fvisibility-inlines-hidden -pthread -MD -MT src/lib/OpenEXR/CMakeFiles/OpenEXR.dir/ImfBoxAttribute.cpp.obj -MF src\lib\OpenEXR\CMakeFiles\OpenEXR.dir\ImfBoxAttribute.cpp.obj.d -o src/lib/OpenEXR/CMakeFiles/OpenEXR.dir/ImfBoxAttribute.cpp.obj -c D:/_/B/src/openexr-3.3.5/src/lib/OpenEXR/ImfBoxAttribute.cpp
In file included from D:/_/B/src/openexr-3.3.5/src/lib/OpenEXR/ImfBoxAttribute.cpp:24:
In file included from D:/_/B/src/openexr-3.3.5/src/lib/OpenEXR/ImfBoxAttribute.h:20:
In file included from D:/M/msys64/clang64/include/Imath/ImathBox.h:16:
D:/M/msys64/clang64/include/Imath/ImathVec.h:1097:37: error: explicit specialization of 'length' after instantiation
1097 | IMATH_HOSTDEVICE short Vec2<short>::length () const IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1100:37: error: explicit specialization of 'normalize' after instantiation
1100 | Vec2<short>::normalize () IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1101:45: error: explicit specialization of 'normalizeExc' after instantiation
1101 | template <> const Vec2<short>& Vec2<short>::normalizeExc () = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1104:37: error: explicit specialization of 'normalizeNonNull' after instantiation
1104 | Vec2<short>::normalizeNonNull () IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1107:31: error: explicit specialization of 'normalized' after instantiation
1107 | Vec2<short>::normalized () const IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1108:38: error: explicit specialization of 'normalizedExc' after instantiation
1108 | template <> Vec2<short> Vec2<short>::normalizedExc () const = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1111:14: error: explicit specialization of 'normalizedNonNull' after instantiation
1111 | Vec2<short>::normalizedNonNull () const IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1115:33: error: explicit specialization of 'length' after instantiation
1115 | IMATH_HOSTDEVICE int Vec2<int>::length () const IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1118:41: error: explicit specialization of 'normalize' after instantiation
1118 | Vec2<int>::normalize () IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1119:41: error: explicit specialization of 'normalizeExc' after instantiation
1119 | template <> const Vec2<int>& Vec2<int>::normalizeExc () = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1122:35: error: explicit specialization of 'normalizeNonNull' after instantiation
1122 | Vec2<int>::normalizeNonNull () IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1125:34: error: explicit specialization of 'normalized' after instantiation
1125 | Vec2<int>::normalized () const IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1126:34: error: explicit specialization of 'normalizedExc' after instantiation
1126 | template <> Vec2<int> Vec2<int>::normalizedExc () const = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1129:29: error: explicit specialization of 'normalizedNonNull' after instantiation
1129 | Vec2<int>::normalizedNonNull () const IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1133:41: error: explicit specialization of 'length' after instantiation
1133 | IMATH_HOSTDEVICE int64_t Vec2<int64_t>::length () const IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1136:39: error: explicit specialization of 'normalize' after instantiation
1136 | Vec2<int64_t>::normalize () IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1137:49: error: explicit specialization of 'normalizeExc' after instantiation
1137 | template <> const Vec2<int64_t>& Vec2<int64_t>::normalizeExc () = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1140:16: error: explicit specialization of 'normalizeNonNull' after instantiation
1140 | Vec2<int64_t>::normalizeNonNull () IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:1143:33: error: explicit specialization of 'normalized' after instantiation
1143 | Vec2<int64_t>::normalized () const IMATH_NOEXCEPT = delete;
| ^
D:/M/msys64/clang64/include/Imath/ImathVec.h:53:53: note: implicit instantiation first required here
53 | template <class T> class IMATH_EXPORT_TEMPLATE_TYPE Vec2
| ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.