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build: add CMake options for system library linking #1761

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build: add CMake options for system library linking #1761

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1515f5c
build: add tesseract library linking for hardsubx feature
Nov 8, 2025
3501ff9
build: add CMake options for system library linking
Nov 9, 2025
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12 changes: 10 additions & 2 deletions src/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ include (CTest)
option (WITH_FFMPEG "Build using FFmpeg demuxer and decoder" OFF)
option (WITH_OCR "Build with OCR (Optical Character Recognition) feature" OFF)
option (WITH_HARDSUBX "Build with support for burned-in subtitles" OFF)
option(USE_SYSTEM_ZLIB "Use system zlib instead of bundled" OFF)

# Version number
set (CCEXTRACTOR_VERSION_MAJOR 0)
Expand Down Expand Up @@ -65,11 +66,18 @@ if (${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
endif()
endif()

include_directories(${PROJECT_SOURCE_DIR}/thirdparty/zlib)
# ZLIB
if(USE_SYSTEM_ZLIB)
find_package(ZLIB REQUIRED)
set(EXTRA_LIBS ${EXTRA_LIBS} ${ZLIB_LIBRARIES})
set(EXTRA_INCLUDES ${EXTRA_INCLUDES} ${ZLIB_INCLUDE_DIRS})
else()
include_directories(${PROJECT_SOURCE_DIR}/thirdparty/zlib)
include_directories(${PROJECT_SOURCE_DIR}/thirdparty/freetype/include)
aux_source_directory(${PROJECT_SOURCE_DIR}/thirdparty/lib_hash/ SOURCEFILE)
aux_source_directory(${PROJECT_SOURCE_DIR}/thirdparty/libpng/ SOURCEFILE)
aux_source_directory(${PROJECT_SOURCE_DIR}/thirdparty/zlib/ SOURCEFILE)
aux_source_directory(${PROJECT_SOURCE_DIR}/thirdparty/zlib/ SOURCEFILE)
endif()
aux_source_directory(${PROJECT_SOURCE_DIR}/lib_ccx/zvbi/ SOURCEFILE)

set(UTF8PROC_SOURCE ${PROJECT_SOURCE_DIR}/thirdparty/utf8proc/utf8proc.c)
Expand Down