Configuration - Fix BUILD_SOVERSION_NUMBERS=0 not disabling versioned dylib symlinks#1199
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… dylib symlinks Two issues prevented BUILD_SOVERSION_NUMBERS=0 from working: 1. CMakeLists.txt used `if (NOT BUILD_SOVERSION_NUMBERS)` which evaluates true when the value is 0 (CMake treats 0 as falsy), silently overriding the user's setting back to 2 on non-Windows platforms. Fixed by using `NOT DEFINED` / `STREQUAL ""` to only apply the default when the variable is genuinely absent from the cache. 2. adm/cmake/occt_toolkit.cmake set the VERSION target property unconditionally, so even with SOVERSION cleared, CMake still generated versioned filenames (e.g. libTKBin.7.9.2.dylib). Fixed by making VERSION conditional on BUILD_SOVERSION_NUMBERS > 0. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Dear @angelobartolome Thank you for your patch. To proceed with integration, please complete signing CLA process: In case if you already have signed CLA, please share ID that OCCT team shared with your by email after accepting of CLA. |
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Summary
Setting
-DBUILD_SOVERSION_NUMBERS=0had no effect on macOS (and other non-Windows/Android/Emscripten platforms) due to two bugs:CMakeLists.txt: The guard conditionif (NOT BUILD_SOVERSION_NUMBERS)evaluates totruewhen the value is0, because CMake treats0as falsy. This silently overrode the user's explicit0back to2on every cmake run. Fixed by usingNOT DEFINED ... OR STREQUAL ""to only apply the platform default when the variable is genuinely absent from the cache.adm/cmake/occt_toolkit.cmake: TheVERSIONtarget property was set unconditionally regardless ofBUILD_SOVERSION_NUMBERS. On macOS, settingVERSIONalone is sufficient for CMake to generate versioned filenames (e.g.libTKBin.7.9.2.dylib) and symlinks, even withSOVERSIONcleared. Fixed by makingVERSIONconditional onBUILD_SOVERSION_NUMBERS > 0.Test plan
-DBUILD_SOVERSION_NUMBERS=0and verify only unversioned.dylibfiles are produced (nolibTK*.7*.dylibvariants)-DBUILD_SOVERSION_NUMBERS=2(default on macOS/Linux) and verify versioned symlinks are still generated as before0is still applied when the variable is not explicitly set🤖 Generated with Claude Code