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IndexMap: Define virtual destructor in .cpp file

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This fixes compiler warnings from clang:

src/ccutil/indexmapbidi.h:102:7: warning:
 'IndexMapBiDi' has no out-of-line virtual method definitions;
 its vtable will be emitted in every translation unit [-Wweak-vtables]

Signed-off-by: Stefan Weil <sw@weilnetz.de>
This commit is contained in:
Stefan Weil 2018-09-04 07:45:28 +02:00
parent 5b8162f0ef
commit 32098b7d4d
2 changed files with 6 additions and 1 deletions
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5
src/ccutil/indexmapbidi.cpp
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@ -21,6 +21,11 @@
namespace tesseract {
// Destructor.
// It is defined here, so the compiler can create a single vtable
// instead of weak vtables in every compilation unit.
IndexMap::~IndexMap() = default;
// SparseToCompact takes a sparse index to an index in the compact space.
// Uses a binary search to find the result. For faster speed use
// IndexMapBiDi, but that takes more memory.

2
src/ccutil/indexmapbidi.h
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@ -41,7 +41,7 @@ class IndexMapBiDi;
// It must be initialized by copying from an IndexMapBiDi or by DeSerialize.
class IndexMap {
public:
virtual ~IndexMap() = default;
virtual ~IndexMap();
// SparseToCompact takes a sparse index to an index in the compact space.
// Uses a binary search to find the result. For faster speed use