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IDProjectCategoryView StatusDate SubmittedLast Update
0030072Community[OCCT] OCCT:Configurationpublic2018-08-17 20:232018-08-28 13:40
ReporterRoman Lygin 
Assigned Toapn 
PrioritynormalSeverityminor 
StatusassignedResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 7.3.0 
Target Version[OCCT] 7.4.0*Fixed in Version 
Summary0030072: Name collisions between the debug and release library names
DescriptionOCC uses the same names for both debug and release libraries (e.g. TKernel.dll or libTKernel.so) and uses multi-directory approach (./bin vs ./bind, or ./lib vs ./libd) to distinguish between the two. The more frequent convention though tends to prefer distinct names (msvcrt vs msvcrtd, tbb vs tbb_debug, Qt*[d], etc).

We encountered a customer report who uses OCC but for strict external requirement has to place all redistributables in a single directory. This is enforced by the downstream target environment which is non-negotiable. So in that environment the name clash is unavoidable.

The customer has to patch the OCC build script to inject distinct names for debug libraries (like '_debug' suffix) which obviously break dependency chain with other OCC-based libraries (such as CAD Exchanger) which use default OCC naming. We can work-around the case by offering a specific build using the patched build scripts but I wonder if such an example would convince the OCC team to revisit the approach and favor the distinct name conventions favored by the majority of the C++ libraries.

Using single or dual directory (./bin vs ./bind) won't matter but distinct names will allow far better coexistence of several OCC-based binaries (Open Source or proprietary) or even of a single OCC-based solution under a requirement of a single directory for both debug and release binaries.
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- Issue History
Date Modified Username Field Change
2018-08-17 20:23 Roman Lygin New Issue
2018-08-17 20:23 Roman Lygin Assigned To => bugmaster
2018-08-28 13:40 bugmaster Assigned To bugmaster => apn
2018-08-28 13:40 bugmaster Status new => assigned


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