20d3311931
Decode raw files with LibRaw and fall back to dcraw if LibRaw is unable to read the file.
125 lines
4.0 KiB
CMake
125 lines
4.0 KiB
CMake
# LibRaw has its own configuration script and uses make to build. Here we add
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# the LibRaw configuration commands so they run during the CMake configuration.
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# Also, add a target which always runs make.
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set(LIBRAW_DIR "${CMAKE_CURRENT_BINARY_DIR}/libraw")
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set(LIBRAW_LIB_DIR "${LIBRAW_DIR}/lib")
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set(LIBRAW_PHANTOM_FILE "${LIBRAW_LIB_DIR}/phantom_file")
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if(DEFINED ENV{SHELL})
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set(SHELL "$ENV{SHELL}")
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else()
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set(SHELL "sh")
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endif()
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add_custom_target(
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LibRaw ALL
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DEPENDS ${LIBRAW_PHANTOM_FILE} # Ensures target always executes.
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)
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# Configuration flags.
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set(CONFIGURE_FLAGS "--disable-examples")
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set(LIBRAW_CXX_FLAGS "${CXX_FLAGS} -std=gnu++11 -Wno-error=unknown-pragmas")
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# Let the configure script handle OpenMP flags.
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string(REPLACE "${OpenMP_CXX_FLAGS}" "" LIBRAW_CXX_FLAGS "${LIBRAW_CXX_FLAGS}")
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if(OPTION_OMP)
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set(CONFIGURE_FLAGS "${CONFIGURE_FLAGS} --enable-openmp")
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else()
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set(CONFIGURE_FLAGS "${CONFIGURE_FLAGS} --disable-openmp")
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endif()
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set(CONFIGURE_FLAGS "${CONFIGURE_FLAGS} CC=\"${CMAKE_C_COMPILER}\"")
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set(CONFIGURE_FLAGS "${CONFIGURE_FLAGS} CXX=\"${CMAKE_CXX_COMPILER}\"")
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set(CONFIGURE_FLAGS "${CONFIGURE_FLAGS} CXXFLAGS=\"${LIBRAW_CXX_FLAGS}\"")
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# Configuration commands.
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message(STATUS "Configuring LibRaw")
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execute_process(
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COMMAND cp -p -R "${CMAKE_CURRENT_SOURCE_DIR}/libraw" .
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WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}"
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RESULT_VARIABLE PROCESS_RESULT
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COMMAND_ECHO STDOUT
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)
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if(PROCESS_RESULT AND NOT PROCESS_RESULT EQUAL 0)
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message(FATAL_ERROR "Could not copy LibRaw files into build directory")
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endif()
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execute_process(
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COMMAND "${SHELL}" -l -c "autoreconf -v --install"
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WORKING_DIRECTORY "${LIBRAW_DIR}"
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RESULT_VARIABLE PROCESS_RESULT
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COMMAND_ECHO STDOUT
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)
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if(PROCESS_RESULT AND NOT PROCESS_RESULT EQUAL 0)
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message(FATAL_ERROR "Could not generate LibRaw configuration script")
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endif()
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execute_process(
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COMMAND "${SHELL}" -l -c "./configure ${CONFIGURE_FLAGS}"
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WORKING_DIRECTORY "${LIBRAW_DIR}"
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RESULT_VARIABLE PROCESS_RESULT
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COMMAND_ECHO STDOUT
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)
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if(PROCESS_RESULT AND NOT PROCESS_RESULT EQUAL 0)
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execute_process(
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COMMAND cat config.log
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WORKING_DIRECTORY "${LIBRAW_DIR}"
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COMMAND_ECHO STDOUT
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)
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message(FATAL_ERROR "LibRaw configure failed")
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endif()
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# Build flags.
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set(LIBRAW_MAKE_FLAGS "")
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if(CMAKE_GENERATOR MATCHES ".*Makefiles.*")
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set(LIBRAW_MAKE_COMMAND "$(MAKE)")
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else()
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# If not using Makefiles, set number of jobs equal to logical processors
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# count. Not necessary for make because of the jobserver.
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execute_process(
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COMMAND "${SHELL}" -l -c "nproc"
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OUTPUT_VARIABLE LOGICAL_PROCESSORS
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RESULT_VARIABLE PROCESS_RESULT
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ERROR_QUIET
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)
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if(PROCESS_RESULT AND NOT PROCESS_RESULT EQUAL 0)
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execute_process(
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COMMAND "${SHELL}" -l -c "sysctl -n hw.ncpu"
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OUTPUT_VARIABLE LOGICAL_PROCESSORS
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RESULT_VARIABLE PROCESS_RESULT
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ERROR_QUIET
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)
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endif()
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if(PROCESS_RESULT AND NOT PROCESS_RESULT EQUAL 0)
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execute_process(
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COMMAND "${SHELL}" -l -c "getconf _NPROCESSORS_ONLN"
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OUTPUT_VARIABLE LOGICAL_PROCESSORS
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RESULT_VARIABLE PROCESS_RESULT
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ERROR_QUIET
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)
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endif()
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if(PROCESS_RESULT AND NOT PROCESS_RESULT EQUAL 0)
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set(LOGICAL_PROCESSORS "1")
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endif()
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string(STRIP "${LOGICAL_PROCESSORS}" LOGICAL_PROCESSORS)
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set(LIBRAW_MAKE_FLAGS "${LIBRAW_MAKE_FLAGS} -j${LOGICAL_PROCESSORS}")
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set(LIBRAW_MAKE_COMMAND "make")
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endif()
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# Build commands.
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add_custom_command(
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OUTPUT "${LIBRAW_PHANTOM_FILE}" "${LIBRAW_LIB_DIR}/.libs/libraw_r.a"
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COMMAND cp -p -R "${CMAKE_CURRENT_SOURCE_DIR}/libraw" ..
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COMMAND "${SHELL}" -l -c "${LIBRAW_MAKE_COMMAND} ${LIBRAW_MAKE_FLAGS}"
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COMMENT "Building LibRaw"
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WORKING_DIRECTORY libraw
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VERBATIM
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)
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# Add a `make clean-libraw` command because there's no good way to automatically
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# clean the LibRaw build with `make`clean`.
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add_custom_target(
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clean-libraw
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COMMAND make clean
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COMMAND rm -rf lib
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WORKING_DIRECTORY libraw
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)
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