build: add CMake options for system library linking #1761
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added 2 commits
November 8, 2025 11:42
Fixes CCExtractor#1719 - build was failing with --enable-hardsubx due to missing tesseract library linking. Added pkg_check_modules for tesseract and leptonica in the HARDSUBX section of CMakeLists.txt. Tested with: cmake -DWITH_HARDSUBX=ON -DWITH_OCR=ON -DWITH_FFMPEG=ON
Adds USE_SYSTEM_ZLIB, USE_SYSTEM_LIBPNG, and USE_SYSTEM_FREETYPE options as foundation for issue CCExtractor#1718 - allowing system library linking instead of bundled libraries. Note: Options are OFF by default and don't change current behavior yet. Implementation of actual system library detection will follow.
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Partial fix for #1718
Adds CMake options for system library linking as foundation for full implementation:
Current behaviour: Options are OFF by default, existing bundled libraries still used
Future work: Implement actual system library detection and linking
This is phase 1 of addressing #1718 - adding the configuration framework before implementing the full system library support.