# # tesseract # ############################################################################### # # cmake settings # ############################################################################### cmake_minimum_required(VERSION 3.8 FATAL_ERROR) # In-source builds are disabled. if ("${CMAKE_CURRENT_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}") message(FATAL_ERROR "CMake generation is not possible within the source directory!" "\n Remove the CMakeCache.txt file and try again from another folder, e.g.:" "\n " "\n rm CMakeCache.txt" "\n mkdir build" "\n cd build" "\n cmake .." ) endif() set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_SOURCE_DIR}/cmake") set(EXECUTABLE_OUTPUT_PATH "${CMAKE_BINARY_DIR}/bin") set(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${EXECUTABLE_OUTPUT_PATH}") # Use solution folders. set_property(GLOBAL PROPERTY USE_FOLDERS ON) set_property(GLOBAL PROPERTY PREDEFINED_TARGETS_FOLDER "CMake Targets") ############################################################################### # # project settings # ############################################################################### project(tesseract C CXX) # Get version with components from VERSION file. file(STRINGS "VERSION" VERSION_PLAIN) string(REGEX REPLACE "^([^.]*)\\..*" "\\1" VERSION_MAJOR ${VERSION_PLAIN}) string(REGEX REPLACE "^[^.]*\\.([^.]*)\\..*" "\\1" VERSION_MINOR ${VERSION_PLAIN}) string(REGEX REPLACE "^[^.]*\\.[^.]*\\.([0-9]*).*" "\\1" VERSION_PATCH ${VERSION_PLAIN}) if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.git) execute_process(COMMAND git --git-dir ${CMAKE_CURRENT_SOURCE_DIR}/.git describe --abbrev=4 OUTPUT_VARIABLE GIT_REV) string(REGEX REPLACE "\n$" "" PACKAGE_VERSION "${GIT_REV}") endif() if(NOT PACKAGE_VERSION) set(PACKAGE_VERSION ${VERSION_PLAIN}) endif() # Provide also same macro names as autoconf (see configure.ac). set(GENERIC_MAJOR_VERSION ${VERSION_MAJOR}) set(GENERIC_MINOR_VERSION ${VERSION_MINOR}) set(GENERIC_MICRO_VERSION ${VERSION_PATCH}) set(MINIMUM_LEPTONICA_VERSION 1.74) ############################################################################### # # options # ############################################################################### message( "Configuring tesseract version ${PACKAGE_VERSION}...") option(CPPAN_BUILD "Build with cppan" ON) option(OPENMP_BUILD "Build with openmp support" OFF) # see issue #1662 option(GRAPHICS_DISABLED "Disable disable graphics (ScrollView)" OFF) option(DISABLED_LEGACY_ENGINE "Disable the legacy OCR engine" OFF) option(BUILD_TRAINING_TOOLS "Build training tools" ON) option(BUILD_TESTS "Build tests" OFF) option(USE_SYSTEM_ICU "Use system ICU" OFF) if(NOT EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/.cppan) set(CPPAN_BUILD OFF) endif() ############################################################################### # # compiler and linker # ############################################################################### # Check for C++ standard to use get_property(known_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES) if (cxx_std_17 IN_LIST known_features) set(CMAKE_CXX_STANDARD 17) elseif (cxx_std_14 IN_LIST known_features) set(CMAKE_CXX_STANDARD 14) else() # minimum required standard set(CMAKE_CXX_STANDARD 11) endif() # workaround for bad info in CMAKE_CXX_KNOWN_FEATURES for g++ 4.8.4 if (${CMAKE_CXX_COMPILER_ID} STREQUAL "GNU") set(CMAKE_CXX_STANDARD 11) if (${CMAKE_CXX_COMPILER_VERSION} VERSION_GREATER_EQUAL "6.1.0") set(CMAKE_CXX_STANDARD 14) endif() endif() set(CMAKE_CXX_STANDARD_REQUIRED ON) set(CMAKE_CXX_EXTENSIONS OFF) set(LIBRARY_TYPE SHARED) if (STATIC) set(LIBRARY_TYPE) endif() if(CMAKE_CXX_COMPILER_ID MATCHES "Clang") set(CLANG 1) endif() if (WIN32) if (MSVC) add_definitions(-D_CRT_SECURE_NO_WARNINGS) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8") if (NOT CLANG) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP") endif() endif() set(LIB_Ws2_32 Ws2_32) endif() if (OPENMP_BUILD) if (MSVC) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /openmp") else() set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp") endif() endif() if (CYGWIN) add_definitions(-D__CYGWIN__) endif() if (UNIX) if (NOT ANDROID) set(LIB_pthread pthread) endif() endif() ############################################################################### # # packages # ############################################################################### if(CPPAN_BUILD) if (STATIC) set(CPPAN_BUILD_SHARED_LIBS 0) else() set(CPPAN_BUILD_SHARED_LIBS 1) endif() add_subdirectory(.cppan) else() find_package(PkgConfig) if(PKG_CONFIG_EXECUTABLE AND NOT Leptonica_DIR) pkg_check_modules(Leptonica REQUIRED lept>=${MINIMUM_LEPTONICA_VERSION}) link_directories(${Leptonica_LIBRARY_DIRS}) else() find_package(Leptonica ${MINIMUM_LEPTONICA_VERSION} REQUIRED CONFIG) endif() if (NOT Leptonica_FOUND) message(FATAL_ERROR "Cannot find required library Leptonica. Quitting!") endif(NOT Leptonica_FOUND) endif() find_package(OpenCL QUIET) find_package(LibArchive) if(LibArchive_FOUND) set(HAVE_LIBARCHIVE ON) endif() ############################################################################### # # configure # ############################################################################### # auto optimize include(OptimizeForArchitecture) AutodetectHostArchitecture() OptimizeForArchitecture() foreach(flag ${Vc_ARCHITECTURE_FLAGS}) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${flag}") endforeach() # add definition as expected in src/arch/simddetect.cpp set(AVX_OPT OFF) set(AVX2_OPT OFF) set(SSE41_OPT OFF) set(MARCH_NATIVE_OPT OFF) foreach(flag ${_enable_vector_unit_list}) # from OptimizeForArchitecture() string(TOUPPER "${flag}" flag) string(REPLACE "\." "_" flag "${flag}") set(sim_flags "${sim_flags} -D${flag}") string(REPLACE "_" "" flag "${flag}") if("${flag}" MATCHES "AVX|AVX2|SSE41") set("${flag}_OPT" ON) endif() endforeach(flag) FILE(GLOB arch_files "src/arch/*.cpp") set_source_files_properties(${arch_files} PROPERTIES COMPILE_FLAGS "${CMAKE_CXX_FLAGS} ${sim_flags}") include(CheckCXXCompilerFlag) CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE) if(COMPILER_SUPPORTS_MARCH_NATIVE) set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=native") set_source_files_properties(src/arch/dotproduct.cpp PROPERTIES COMPILE_FLAGS "${CMAKE_CXX_FLAGS} -O3 -ffast-math") set(MARCH_NATIVE_OPT ON) endif() set(AUTOCONFIG_SRC ${CMAKE_CURRENT_BINARY_DIR}/config_auto.h.in) set(AUTOCONFIG ${CMAKE_CURRENT_BINARY_DIR}/config_auto.h) add_definitions(-DHAVE_CONFIG_H) if(GRAPHICS_DISABLED) message("ScrollView debugging disabled.") endif() set (CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} "${CMAKE_PREFIX_PATH}/include" "${CMAKE_INSTALL_PREFIX}/include") include(Configure) configure_file(${AUTOCONFIG_SRC} ${AUTOCONFIG} @ONLY) set(INCLUDE_DIR "${CMAKE_INSTALL_PREFIX}/include" "${CMAKE_INSTALL_PREFIX}/include/tesseract") configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/src/api/tess_version.h.in ${CMAKE_CURRENT_BINARY_DIR}/api/tess_version.h @ONLY) configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/src/vs2010/tesseract/tesseract.rc.in ${CMAKE_CURRENT_BINARY_DIR}/vs2010/tesseract/tesseract.rc @ONLY) configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/src/vs2010/tesseract/libtesseract.rc.in ${CMAKE_CURRENT_BINARY_DIR}/vs2010/tesseract/libtesseract.rc @ONLY) configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/TesseractConfig-version.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/TesseractConfig-version.cmake @ONLY) configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/TesseractConfig.cmake.in ${CMAKE_CURRENT_BINARY_DIR}/TesseractConfig.cmake @ONLY) # show summary of configuration message( STATUS ) message( STATUS "General configuration for Tesseract ${PACKAGE_VERSION}") message( STATUS "--------------------------------------------------------") message( STATUS "Build type: ${CMAKE_BUILD_TYPE}") message( STATUS "Compiler: ${CMAKE_CXX_COMPILER_ID}") message( STATUS "Used standard: C++${CMAKE_CXX_STANDARD}") message( STATUS "CXX compiler options: ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_UP}} ${CMAKE_CXX_FLAGS}") message( STATUS "Linker options: ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UP}}") message( STATUS "Install directory: ${CMAKE_INSTALL_PREFIX}") message( STATUS "Architecture flags: ${Vc_ARCHITECTURE_FLAGS}") message( STATUS "Vector unit list: ${_enable_vector_unit_list}") message( STATUS "AVX_OPT: ${AVX_OPT}") message( STATUS "AVX2_OPT: ${AVX2_OPT}") message( STATUS "SSE41_OPT: ${SSE41_OPT}") message( STATUS "MARCH_NATIVE_OPT: ${MARCH_NATIVE_OPT}") message( STATUS "sim_flags: ${sim_flags}") message( STATUS ) message( STATUS "Build with cppan [CPPAN_BUILD]: ${CPPAN_BUILD}") message( STATUS "Build with openmp support [OPENMP_BUILD]: ${OPENMP_BUILD}") message( STATUS "Disable disable graphics (ScrollView) [GRAPHICS_DISABLED]: ${GRAPHICS_DISABLED}") message( STATUS "Disable the legacy OCR engine [DISABLED_LEGACY_ENGINE]: ${DISABLED_LEGACY_ENGINE}") message( STATUS "Build training tools [BUILD_TRAINING_TOOLS]: ${BUILD_TRAINING_TOOLS}") message( STATUS "Build tests [BUILD_TESTS]: ${BUILD_TESTS}") message( STATUS "Use system ICU Library [USE_SYSTEM_ICU]: ${USE_SYSTEM_ICU}") message( STATUS "--------------------------------------------------------") message( STATUS ) ############################################################################### # # build # ############################################################################### include(BuildFunctions) include(SourceGroups) add_definitions(-D_SILENCE_STDEXT_HASH_DEPRECATION_WARNINGS=1) include_directories(${Leptonica_INCLUDE_DIRS}) include_directories(${CMAKE_CURRENT_BINARY_DIR}) include_directories(src/api) include_directories(${CMAKE_CURRENT_BINARY_DIR}/api) include_directories(src/arch) include_directories(src/ccmain) include_directories(src/ccstruct) include_directories(src/ccutil) include_directories(src/classify) include_directories(src/cutil) include_directories(src/dict) include_directories(src/lstm) include_directories(src/opencl) include_directories(src/textord) include_directories(src/viewer) include_directories(src/wordrec) if(CMAKE_EXPORT_COMPILE_COMMANDS) include_directories(src/training) endif() if(ANDROID_TOOLCHAIN) include_directories(${ANDROID_TOOLCHAIN}/sysroot/usr/include) add_compile_definitions(__ANDROID_API_FUTURE__) endif() ######################################## # LIBRARY tesseract ######################################## file(GLOB tesseract_src src/arch/simddetect.cpp src/arch/intsimdmatrix.cpp src/arch/dotproduct.cpp src/ccmain/*.cpp src/ccstruct/*.cpp src/ccutil/*.cpp src/classify/*.cpp src/cutil/*.cpp src/dict/*.cpp src/lstm/*.cpp src/opencl/*.cpp src/textord/*.cpp src/viewer/*.cpp src/wordrec/*.cpp ) if(AVX_OPT) list(APPEND tesseract_src src/arch/dotproductavx.cpp) endif(AVX_OPT) if(AVX2_OPT) list(APPEND tesseract_src src/arch/intsimdmatrixavx2.cpp) endif(AVX2_OPT) if(SSE41_OPT) list(APPEND tesseract_src src/arch/dotproductsse.cpp src/arch/intsimdmatrixsse.cpp) endif(SSE41_OPT) file(GLOB tesseract_hdr src/api/*.h src/arch/*.h src/ccmain/*.h src/ccstruct/*.h src/ccutil/*.h src/classify/*.h src/cutil/*.h src/dict/*.h src/lstm/*.h src/opencl/*.h src/textord/*.h src/viewer/*.h src/wordrec/*.h ) set(tesseract_src ${tesseract_src} src/api/baseapi.cpp src/api/capi.cpp src/api/renderer.cpp src/api/altorenderer.cpp src/api/hocrrenderer.cpp src/api/lstmboxrenderer.cpp src/api/pdfrenderer.cpp src/api/wordstrboxrenderer.cpp ) if (WIN32) if (MSVC) include_directories(src/vs2010/tesseract) set(tesseract_hdr ${tesseract_hdr} ${CMAKE_CURRENT_SOURCE_DIR}/src/vs2010/tesseract/resource.h) set(tesseract_rsc ${CMAKE_CURRENT_BINARY_DIR}/vs2010/tesseract/libtesseract.rc) endif() # MSVC endif() add_library (libtesseract ${LIBRARY_TYPE} ${tesseract_src} ${tesseract_hdr} ${tesseract_rsc} ) if (NOT STATIC) target_compile_definitions (libtesseract PRIVATE -DTESS_EXPORTS INTERFACE -DTESS_IMPORTS ) set_target_properties (libtesseract PROPERTIES WINDOWS_EXPORT_ALL_SYMBOLS True) endif() target_link_libraries (libtesseract PRIVATE ${LIB_Ws2_32} ${LIB_pthread}) set_target_properties (libtesseract PROPERTIES VERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}) set_target_properties (libtesseract PROPERTIES SOVERSION ${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}) if (WIN32) set_target_properties (libtesseract PROPERTIES OUTPUT_NAME tesseract${VERSION_MAJOR}${VERSION_MINOR}) set_target_properties (libtesseract PROPERTIES DEBUG_OUTPUT_NAME tesseract${VERSION_MAJOR}${VERSION_MINOR}d) else() set_target_properties (libtesseract PROPERTIES OUTPUT_NAME tesseract) endif() if (CPPAN_BUILD) target_link_libraries (libtesseract PUBLIC pvt.cppan.demo.danbloomberg.leptonica pvt.cppan.demo.libarchive.libarchive ) file(WRITE ${CMAKE_CURRENT_BINARY_DIR}/TesseractTargets.cmake "include(${CMAKE_CURRENT_BINARY_DIR}/cppan.cmake)\n") export(TARGETS libtesseract APPEND FILE ${CMAKE_CURRENT_BINARY_DIR}/TesseractTargets.cmake) else() target_link_libraries (libtesseract PUBLIC ${Leptonica_LIBRARIES} ${LibArchive_LIBRARIES} ) export(TARGETS libtesseract FILE ${CMAKE_CURRENT_BINARY_DIR}/TesseractTargets.cmake) endif() if (WIN32 AND CLANG AND OPENMP_BUILD) # Workaround for "libomp.lib is not automatically added on Windows" # see: http://lists.llvm.org/pipermail/openmp-dev/2015-August/000857.html # TODO: Find better way how to set Clang OpenMP library for linking on Windows target_link_libraries (libtesseract PRIVATE "c:\\Program Files\\LLVM\\lib\\libomp.lib") endif() ######################################## # EXECUTABLE tesseractmain ######################################## set(tesseractmain_src src/api/tesseractmain.cpp) if (MSVC) set(tesseractmain_rsc ${CMAKE_CURRENT_BINARY_DIR}/vs2010/tesseract/tesseract.rc) endif() add_executable (tesseract ${tesseractmain_src} ${tesseractmain_rsc}) target_link_libraries (tesseract libtesseract) if (HAVE_TIFFIO_H) target_link_libraries(tesseract tiff) endif() if (OPENMP_BUILD AND UNIX) target_link_libraries (tesseract pthread) endif() ######################################## if (BUILD_TESTS AND EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/googletest/CMakeLists.txt) add_subdirectory(googletest) endif() if (BUILD_TRAINING_TOOLS) add_subdirectory(src/training) endif() get_target_property(tesseract_NAME libtesseract NAME) get_target_property(tesseract_VERSION libtesseract VERSION) get_target_property(tesseract_OUTPUT_NAME libtesseract OUTPUT_NAME) configure_file(tesseract.pc.cmake ${CMAKE_CURRENT_BINARY_DIR}/tesseract.pc @ONLY) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/tesseract.pc DESTINATION lib/pkgconfig) install(TARGETS tesseract RUNTIME DESTINATION bin LIBRARY DESTINATION lib ARCHIVE DESTINATION lib) install(TARGETS libtesseract EXPORT TesseractTargets RUNTIME DESTINATION bin LIBRARY DESTINATION lib ARCHIVE DESTINATION lib) install(EXPORT TesseractTargets DESTINATION cmake) install(FILES ${CMAKE_CURRENT_BINARY_DIR}/TesseractConfig.cmake ${CMAKE_CURRENT_BINARY_DIR}/TesseractConfig-version.cmake DESTINATION cmake) install(FILES # from api/makefile.am src/api/apitypes.h src/api/baseapi.h src/api/capi.h src/api/renderer.h ${CMAKE_CURRENT_BINARY_DIR}/api/tess_version.h #from arch/makefile.am src/arch/dotproductavx.h src/arch/dotproductsse.h src/arch/intsimdmatrix.h src/arch/simddetect.h #from ccmain/makefile.am src/ccmain/thresholder.h src/ccmain/ltrresultiterator.h src/ccmain/pageiterator.h src/ccmain/resultiterator.h src/ccmain/osdetect.h #from ccstruct/makefile.am src/ccstruct/publictypes.h #from ccutil/makefile.am src/ccutil/basedir.h src/ccutil/errcode.h src/ccutil/fileerr.h src/ccutil/genericvector.h src/ccutil/helpers.h src/ccutil/params.h src/ccutil/ocrclass.h src/ccutil/platform.h src/ccutil/serialis.h src/ccutil/strngs.h src/ccutil/tesscallback.h src/ccutil/unichar.h src/ccutil/unicharcompress.h src/ccutil/unicharmap.h src/ccutil/unicharset.h #from lstm/makefile.am src/lstm/convolve.h src/lstm/ctc.h src/lstm/fullyconnected.h src/lstm/functions.h src/lstm/input.h src/lstm/lstm.h src/lstm/lstmrecognizer.h src/lstm/maxpool.h src/lstm/networkbuilder.h src/lstm/network.h src/lstm/networkio.h src/lstm/networkscratch.h src/lstm/parallel.h src/lstm/plumbing.h src/lstm/recodebeam.h src/lstm/reconfig.h src/lstm/reversed.h src/lstm/series.h src/lstm/static_shape.h src/lstm/stridemap.h src/lstm/tfnetwork.h src/lstm/weightmatrix.h #${CMAKE_CURRENT_BINARY_DIR}/src/endianness.h DESTINATION include/tesseract) ######################################## # uninstall target ######################################## if(NOT TARGET uninstall) configure_file( "${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/cmake_uninstall.cmake.in" "${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY) add_custom_target(uninstall COMMAND ${CMAKE_COMMAND} -P ${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake) endif() ###############################################################################