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bb15e2287f
Must check for the existence of a bundled dep before we use it, since e.g. Debian has to strip some files for license and policy reasons.
37 lines
1.5 KiB
CMake
37 lines
1.5 KiB
CMake
# Copyright 2019, 2020, Collabora, Ltd.
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# Copyright 2019, 2020, Visual Computing Lab, ISTI - Italian National Research Council
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# SPDX-License-Identifier: BSL-1.0
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option(ALLOW_BUNDLED_OPENCTM "Allow use of bundled OpenCTM source" ON)
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option(ALLOW_SYSTEM_OPENCTM "Allow use of system-provided OpenCTM" ON)
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if(ALLOW_SYSTEM_OPENCTM AND TARGET OpenCTM::OpenCTM)
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message(STATUS "- OpenCTM - using system-provided library")
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add_library(external-openctm INTERFACE)
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target_link_libraries(external-openctm INTERFACE OpenCTM::OpenCTM)
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elseif(ALLOW_BUNDLED_OPENCTM AND EXISTS "${OPENCTM_DIR}/lib/openctm.c")
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message(STATUS "- OpenCTM - using bundled source")
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# Modified liblzma included - can't build against system version
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add_library(
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external-openctm STATIC
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"${OPENCTM_DIR}/lib/openctm.c"
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"${OPENCTM_DIR}/lib/stream.c"
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"${OPENCTM_DIR}/lib/compressRAW.c"
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"${OPENCTM_DIR}/lib/compressMG1.c"
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"${OPENCTM_DIR}/lib/compressMG2.c"
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"${OPENCTM_DIR}/lib/liblzma/Alloc.c"
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"${OPENCTM_DIR}/lib/liblzma/LzFind.c"
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"${OPENCTM_DIR}/lib/liblzma/LzmaDec.c"
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"${OPENCTM_DIR}/lib/liblzma/LzmaEnc.c"
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"${OPENCTM_DIR}/lib/liblzma/LzmaLib.c")
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target_compile_definitions(external-openctm PUBLIC OPENCTM_STATIC)
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target_include_directories(
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external-openctm SYSTEM
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PUBLIC "${OPENCTM_DIR}/lib" SYSTEM
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PRIVATE "${OPENCTM_DIR}/lib/liblzma")
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if(MSVC)
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target_compile_definitions(external-openctm PRIVATE _CRT_SECURE_NO_WARNINGS)
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endif()
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set_property(TARGET external-openctm PROPERTY FOLDER External)
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endif()
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