正如标题所述，我在从github来源编译最新版本的VTK时遇到问题。
我不是c ++程序员，只对代码有基本的了解。到目前为止，我一直尝试/调查/搜索都无济于事：
我不知道从这里去哪里。我确定这是我自己的事情，因为我没有从Google搜索中找到与此相关的任何问题。
这是我收到的没有任何额外输出的错误（来自clang编译的错误，但与gcc相同）：
`Scanning dependencies of target WrapHierarchy
[ 8%] Building C object Wrapping/Tools/CMakeFiles/WrapHierarchy.dir/vtkWrapHierarchy.c.o
[ 8%] Linking C executable ../../bin/vtkWrapHierarchy-8.90
Scanning dependencies of target CommonCore-hierarchy
[ 8%] Generating the wrap hierarchy for VTK::CommonCore
vtkWrapHierarchy-8.90: In /src/VTK/Common/Core/vtkGenericDataArrayLookupHelper.h:40: syntax error.
make[2]: *** [Common/Core/CMakeFiles/CommonCore-hierarchy.dir/build.make:260: lib/vtk/hierarchy/VTK/vtkCommonCore-hierarchy.txt] Error 1
make[1]: *** [CMakeFiles/Makefile2:6418: Common/Core/CMakeFiles/CommonCore-hierarchy.dir/all] Error 2
make: *** [Makefile:130: all] Error 2`
这是设置-v链接器标志时的错误输出：
`[ 8%] Built target WrappingPythonCore
Scanning dependencies of target WrapHierarchy
[ 8%] Building C object Wrapping/Tools/CMakeFiles/WrapHierarchy.dir/vtkWrapHierarchy.c.o
[ 8%] Linking C executable ../../bin/vtkWrapHierarchy-8.90
clang version 8.0.0-1ubuntu1 (tags/RELEASE_800/final)
Target: x86_64-pc-linux-gnu
Thread model: posix
InstalledDir: /usr/bin
Found candidate GCC installation: /usr/bin/../lib/gcc/i686-linux-gnu/9
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/7.4.0
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/i686-linux-gnu/9
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/7.4.0
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/8
Found candidate GCC installation: /usr/lib/gcc/x86_64-linux-gnu/9
Selected GCC installation: /usr/bin/../lib/gcc/x86_64-linux-gnu/8
Candidate multilib: .;@m64
Candidate multilib: 32;@m32
Candidate multilib: x32;@mx32
Selected multilib: .;@m64
Found CUDA installation: /usr/lib/cuda, version 10.0
"/usr/bin/ld" -z relro --hash-style=gnu --build-id --eh-frame-hdr -m elf_x86_64 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o ../../bin/vtkWrapHierarchy-8.90 /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../x86_64-linux-gnu/crt1.o /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../x86_64-linux-gnu/crti.o /usr/bin/../lib/gcc/x86_64-linux-gnu/8/crtbegin.o -L/usr/bin/../lib/gcc/x86_64-linux-gnu/8 -L/usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../x86_64-linux-gnu -L/lib/x86_64-linux-gnu -L/lib/../lib64 -L/usr/lib/x86_64-linux-gnu -L/usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../../x86_64-linux-gnu/lib -L/usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../.. -L/usr/lib/llvm-8/bin/../lib -L/lib -L/usr/lib CMakeFiles/WrapHierarchy.dir/vtkWrapHierarchy.c.o ../../lib/libvtkWrappingTools-8.90.a -lgcc --as-needed -lgcc_s --no-as-needed -lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/bin/../lib/gcc/x86_64-linux-gnu/8/crtend.o /usr/bin/../lib/gcc/x86_64-linux-gnu/8/../../../x86_64-linux-gnu/crtn.o
[ 8%] Built target WrapHierarchy
Scanning dependencies of target CommonCore-hierarchy
[ 8%] Generating the wrap hierarchy for VTK::CommonCore
vtkWrapHierarchy-8.90: In /src/VTK/Common/Core/vtkGenericDataArrayLookupHelper.h:40: syntax error.
make[2]: *** [Common/Core/CMakeFiles/CommonCore-hierarchy.dir/build.make:260: lib/vtk/hierarchy/VTK/vtkCommonCore-hierarchy.txt] Error 1
make[1]: *** [CMakeFiles/Makefile2:6418: Common/Core/CMakeFiles/CommonCore-hierarchy.dir/all] Error 2
make: *** [Makefile:130: all] Error 2`
这是引用的.h文件：
=========================================================================*/
/**
* @class vtkGenericDataArrayLookupHelper
* @brief internal class used by
* vtkGenericDataArray to support LookupValue.
*
*/
#ifndef vtkGenericDataArrayLookupHelper_h
#define vtkGenericDataArrayLookupHelper_h
#include <algorithm>
#include <cmath>
#include "vtkIdList.h"
namespace detail
{
// this can be removed when C++11 is required.
template< class T > struct remove_const { typedef T type; };
template< class T > struct remove_const<const T> { typedef T type; };
template <typename T, bool> struct has_NaN;
template <typename T>
struct has_NaN<T, true>
{
static bool isnan(T x)
{
return std::isnan(x);
}
};
template <typename T>
struct has_NaN<T, false>
{
static bool isnan(T)
{
return false;
}
};
template <typename T>
bool isnan(T x)
{
// Select the correct partially specialized type.
return has_NaN<T, std::numeric_limits<T>::has_quiet_NaN>::isnan(x);
}
}
template <class ArrayTypeT>
class vtkGenericDataArrayLookupHelper
{
public:
typedef ArrayTypeT ArrayType;
typedef typename ArrayType::ValueType ValueType;
// Constructor.
vtkGenericDataArrayLookupHelper()
: AssociatedArray(nullptr), SortedArray(nullptr),
FirstValue(nullptr), SortedArraySize(0)
{
}
~vtkGenericDataArrayLookupHelper()
{
this->ClearLookup();
}
void SetArray(ArrayTypeT *array)
{
if (this->AssociatedArray != array)
{
this->ClearLookup();
this->AssociatedArray = array;
}
}
vtkIdType LookupValue(ValueType elem)
{
this->UpdateLookup();
if (this->SortedArraySize == 0)
{
return -1;
}
if(::detail::isnan(elem))
{
if(this->SortedArray && ::detail::isnan(this->SortedArray->Value))
{
return this->SortedArray->Index;
}
else
{
return -1;
}
}
ValueWithIndex temp;
temp.Value = elem;
ValueWithIndex* pos =
std::lower_bound(this->FirstValue,
this->SortedArray + this->SortedArraySize, temp);
if (pos == (this->SortedArray + this->SortedArraySize))
{
return -1;
}
if (pos->Value != elem)
{
return -1;
}
return pos->Index;
}
void LookupValue(ValueType elem, vtkIdList* ids)
{
ids->Reset();
this->UpdateLookup();
if (this->SortedArraySize == 0)
{
return;
}
if(::detail::isnan(elem))
{
ValueWithIndex *range = this->SortedArray;
while (range != this->FirstValue)
{
ids->InsertNextId(range->Index);
++range;
}
}
else
{
ValueWithIndex temp;
temp.Value = elem;
std::pair<ValueWithIndex*, ValueWithIndex*> range =
std::equal_range(this->FirstValue,
this->SortedArray + this->SortedArraySize, temp);
while (range.first != range.second)
{
// assert(range.first->Value == elem);
ids->InsertNextId(range.first->Index);
++range.first;
}
}
}
//@{
/**
* Release any allocated memory for internal data-structures.
*/
void ClearLookup()
{
free(this->SortedArray);
this->SortedArray = nullptr;
this->SortedArraySize = 0;
}
//@}
private:
vtkGenericDataArrayLookupHelper(const vtkGenericDataArrayLookupHelper&) = delete;
void operator=(const vtkGenericDataArrayLookupHelper&) = delete;
struct ValueWithIndex
{
typename ::detail::remove_const<ValueType>::type Value;
vtkIdType Index;
inline bool operator<(const ValueWithIndex& other) const
{
return this->Value < other.Value;
}
};
static bool isnan(const ValueWithIndex &tmp)
{
return ::detail::isnan(tmp.Value);
}
void UpdateLookup()
{
if (!this->AssociatedArray || this->SortedArray)
{
return;
}
int numComps = this->AssociatedArray->GetNumberOfComponents();
this->SortedArraySize =
this->AssociatedArray->GetNumberOfTuples() * numComps;
if (this->SortedArraySize == 0)
{
return;
}
this->SortedArray = reinterpret_cast<ValueWithIndex*>(
malloc(this->SortedArraySize * sizeof(ValueWithIndex)));
for (vtkIdType cc = 0, max = this->AssociatedArray->GetNumberOfValues();
cc < max; ++cc)
{
ValueWithIndex& item = this->SortedArray[cc];
item.Value = this->AssociatedArray->GetValue(cc);
item.Index = cc;
}
this->FirstValue = std::partition(this->SortedArray, this->SortedArray + this->SortedArraySize, isnan);
std::sort(this->FirstValue, this->SortedArray + this->SortedArraySize);
}
ArrayTypeT *AssociatedArray;
ValueWithIndex* SortedArray;
ValueWithIndex* FirstValue;
vtkIdType SortedArraySize;
};
#endif
// VTK-HeaderTest-Exclude: vtkGenericDataArrayLookupHelper.h