tesseract/CMakeLists.txt
2022-12-15 13:26:56 +01:00

955 lines
31 KiB
CMake

#
# tesseract
#
# ##############################################################################
#
# cmake settings
#
# ##############################################################################
cmake_minimum_required(VERSION 3.10 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")
if(NOT ${CMAKE_VERSION} VERSION_LESS "3.15.0")
if(WIN32)
cmake_policy(SET CMP0091 NEW)
message(STATUS "Setting policy CMP0091 to NEW")
endif()
endif()
# ##############################################################################
#
# 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(STATUS "Configuring tesseract version ${PACKAGE_VERSION}...")
if(WIN32)
option(SW_BUILD "Build with sw" ON)
else()
option(SW_BUILD "Build with sw" OFF)
endif()
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(ENABLE_LTO "Enable link-time optimization" OFF)
option(FAST_FLOAT "Enable float for LSTM" ON)
option(ENABLE_OPENCL "Enable unsupported experimental OpenCL support" OFF)
option(BUILD_TRAINING_TOOLS "Build training tools" ON)
option(BUILD_TESTS "Build tests" OFF)
option(USE_SYSTEM_ICU "Use system ICU" OFF)
option(DISABLE_ARCHIVE "Disable build with libarchive (if available)" OFF)
option(DISABLE_CURL "Disable build with libcurl (if available)" OFF)
option(INSTALL_CONFIGS "Install tesseract configs" ON)
if(NOT ${CMAKE_VERSION} VERSION_LESS "3.15.0")
if(WIN32 AND MSVC)
option(WIN32_MT_BUILD "Build with MT flag for MSVC" OFF)
endif()
endif()
# ##############################################################################
#
# compiler and linker
#
# ##############################################################################
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CLANG 1)
endif()
if(NOT CMAKE_BUILD_TYPE)
message(STATUS "Setting build type to 'Release' as none was specified.")
set(CMAKE_BUILD_TYPE
Release
CACHE STRING "Choose the type of build." FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release")
endif()
include(CheckCXXCompilerFlag)
set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# cygwin gnu c++ needs to use -std=gnu++17 instead of -std=c++17
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
if(BUILD_SHARED_LIBS)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
endif()
# LTO
cmake_policy(SET CMP0069 NEW)
include(CheckIPOSupported)
check_ipo_supported(RESULT LTO_SUPPORTED OUTPUT error)
if(LTO_SUPPORTED)
message(STATUS "IPO / LTO supported")
else()
message(STATUS "IPO / LTO not supported: <${error}>")
endif()
check_cxx_compiler_flag("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
if(COMPILER_SUPPORTS_MARCH_NATIVE)
set(MARCH_NATIVE_FLAGS "${MARCH_NATIVE_FLAGS} -march=native")
if(NOT CLANG AND MSVC)
# clang-cl does not know this argument
set(MARCH_NATIVE_FLAGS "${MARCH_NATIVE_FLAGS} -mtune=native")
endif()
set(MARCH_NATIVE_OPT ON)
endif()
message(STATUS "CMAKE_SYSTEM_PROCESSOR=<${CMAKE_SYSTEM_PROCESSOR}>")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "x86|x86_64|AMD64|amd64|i386|i686")
set(HAVE_NEON FALSE)
if(MSVC)
set(HAVE_AVX ON)
set(AVX_COMPILE_FLAGS "/arch:AVX")
add_definitions("-DHAVE_AVX")
set(HAVE_AVX2 ON)
set(AVX2_COMPILE_FLAGS "/arch:AVX2")
add_definitions("-DHAVE_AVX2")
set(HAVE_AVX512F ON)
set(AVX512F_COMPILE_FLAGS "/arch:AVX512")
add_definitions("-DHAVE_AVX512F")
set(HAVE_FMA ON)
set(FMA_COMPILE_FLAGS "-D__FMA__")
add_definitions("-DHAVE_FMA")
set(HAVE_SSE4_1 ON)
set(SSE4_1_COMPILE_FLAGS "-D__SSE4_1__")
add_definitions("-DHAVE_SSE4_1")
# clang with MSVC compatibility
if(CLANG)
set(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} -Wno-microsoft-unqualified-friend")
if(HAVE_FMA)
set(FMA_COMPILE_FLAGS "-mfma ${FMA_COMPILE_FLAGS}")
endif(HAVE_FMA)
if(HAVE_SSE4_1)
set(SSE4_1_COMPILE_FLAGS "-msse4.1 ${SSE4_1_COMPILE_FLAGS}")
endif(HAVE_SSE4_1)
endif(CLANG)
else() # if not MSVC
check_cxx_compiler_flag("-mavx" HAVE_AVX)
if(HAVE_AVX)
set(AVX_COMPILE_FLAGS "-mavx")
add_definitions("-DHAVE_AVX")
endif(HAVE_AVX)
check_cxx_compiler_flag("-mavx2" HAVE_AVX2)
if(HAVE_AVX2)
set(AVX2_COMPILE_FLAGS "-mavx2")
add_definitions("-DHAVE_AVX2")
endif()
check_cxx_compiler_flag("-mavx512f" HAVE_AVX512F)
if(HAVE_AVX512F)
set(AVX512F_COMPILE_FLAGS "-mavx512f")
add_definitions("-DHAVE_AVX512F")
endif()
check_cxx_compiler_flag("-mfma" HAVE_FMA)
if(HAVE_FMA)
set(FMA_COMPILE_FLAGS "-mfma")
add_definitions("-DHAVE_FMA")
endif()
check_cxx_compiler_flag("-msse4.1" HAVE_SSE4_1)
if(HAVE_SSE4_1)
set(SSE4_1_COMPILE_FLAGS "-msse4.1")
add_definitions("-DHAVE_SSE4_1")
endif()
endif(MSVC)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm64|aarch64.*|AARCH64.*")
set(HAVE_AVX FALSE)
set(HAVE_AVX2 FALSE)
set(HAVE_AVX512F FALSE)
set(HAVE_FMA FALSE)
set(HAVE_SSE4_1 FALSE)
add_definitions("-DHAVE_NEON")
set(HAVE_NEON TRUE)
elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "arm.*")
set(HAVE_AVX FALSE)
set(HAVE_AVX2 FALSE)
set(HAVE_AVX512F FALSE)
set(HAVE_FMA FALSE)
set(HAVE_SSE4_1 FALSE)
check_cxx_compiler_flag("-mfpu=neon" HAVE_NEON)
if(HAVE_NEON)
set(NEON_COMPILE_FLAGS "-mfpu=neon")
add_definitions("-DHAVE_NEON")
endif()
else()
set(HAVE_AVX FALSE)
set(HAVE_AVX2 FALSE)
set(HAVE_AVX512F FALSE)
set(HAVE_FMA FALSE)
set(HAVE_NEON FALSE)
set(HAVE_SSE4_1 FALSE)
endif(CMAKE_SYSTEM_PROCESSOR MATCHES "x86|x86_64|AMD64|amd64|i386|i686")
# Compiler specific environments
if(CMAKE_COMPILER_IS_GNUCXX OR MINGW)
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} -Wall -DDEBUG -pedantic -Og")
elseif(MSVC)
add_definitions(-D_CRT_SECURE_NO_WARNINGS)
add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE) # strdup
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /utf-8")
if(NOT CLANG)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
endif()
# Hide some warnings for release target wd4244 'argument': conversion from
# 'uint64_t' to 'unsigned int', possible loss of data wd4251 needs to have
# dll-interface wd4267 return': conversion from 'size_t' to 'int', possible
# loss of data wd4275 non dll-interface class wd4305 ...truncation from
# 'double' to 'float'
set(CMAKE_CXX_FLAGS_RELEASE
"${CMAKE_CXX_FLAGS_RELEASE} /wd4244 /wd4305 /wd4267 /wd4251 /wd4275 /wd4005")
set(CMAKE_CXX_FLAGS_RELEASE
"${CMAKE_CXX_FLAGS_RELEASE} /wd4068")
# Don't use /Wall because it generates too many warnings.
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /W0 /bigobj")
# MT flag
if(WIN32_MT_BUILD)
set(CMAKE_MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>")
message(STATUS "Building with static CRT.")
endif()
endif()
if(CLANG) # clang all platforms
set(CMAKE_CXX_FLAGS_RELEASE
"${CMAKE_CXX_FLAGS_RELEASE} -Wno-unused-command-line-argument")
set(CMAKE_CXX_FLAGS_DEBUG
"${CMAKE_CXX_FLAGS_DEBUG} -Wall -DDEBUG -pedantic -O0")
endif()
if(OPENMP_BUILD
AND MSVC
AND "${MSVC_VERSION}" LESS 1929)
set(OPENMP_BUILD OFF)
endif()
if(OPENMP_BUILD)
find_package(OpenMP QUIET)
# https://stackoverflow.com/questions/12399422
# how-to-set-linker-flags-for-openmp-in-cmakes-try-compile-function
if(NOT OpenMP_FOUND
AND CLANG
AND WIN32)
# workaroung because find_package(OpenMP) does not work for clang-cl
# https://gitlab.kitware.com/cmake/cmake/issues/19404
check_include_file_cxx(omp.h HAVE_OMP_H_INCLUDE)
find_library(OpenMP_LIBRARY NAMES omp libomp.lib)
message(">> OpenMP_LIBRARY: ${OpenMP_LIBRARY}")
if(MSVC)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /openmp")
else()
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp")
endif()
set(OpenMP_FOUND 1)
# OpenMP 3.1 is fully supported from Clang 3.8.0
add_definitions(-D_OPENMP=201107)
endif()
if(MSVC)
# Note: -openmp:llvm is available for X64 from MSVC 16.9
# from MSVC 16.10 Preview 2 there is support also for x86 and arm64
# https://devblogs.microsoft.com/cppblog/openmp-updates-and-fixes-for-cpp-in-visual-studio-2019-16-10/
if ("${OpenMP_CXX_FLAGS}" STREQUAL "-openmp")
set(OpenMP_CXX_FLAGS "-openmp:llvm")
endif()
# 'simd': requires '-openmp:experimental'
set_source_files_properties(src/arch/dotproduct.cpp
PROPERTIES COMPILE_FLAGS "-openmp:experimental")
endif()
if(OpenMP_FOUND)
message(">> OpenMP_FOUND ${OpenMP_FOUND} version: ${OpenMP_CXX_VERSION}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
if (NOT TARGET OpenMP::OpenMP_CXX)
add_library(OpenMP::OpenMP_CXX IMPORTED INTERFACE)
endif()
endif()
endif()
if(CYGWIN)
add_definitions(-D__CYGWIN__)
elseif(UNIX)
if(NOT ANDROID)
set(LIB_pthread pthread)
endif()
elseif(WIN32)
set(LIB_Ws2_32 Ws2_32)
endif()
add_definitions("-DCMAKE_BUILD")
# ##############################################################################
#
# packages
#
# ##############################################################################
if(SW_BUILD)
find_package(SW REQUIRED)
if(BUILD_SHARED_LIBS)
set(SW_BUILD_SHARED_LIBS 1)
else()
set(SW_BUILD_SHARED_LIBS 0)
endif()
sw_add_package(org.sw.demo.danbloomberg.leptonica
org.sw.demo.libarchive.libarchive)
if(BUILD_TRAINING_TOOLS)
sw_add_package(org.sw.demo.gnome.pango.pangocairo
org.sw.demo.unicode.icu.i18n)
endif()
sw_execute()
else()
find_package(PkgConfig)
# Check for required library. option -DLeptonica_DIR=path => cmake hint where
# to find leptonica
find_package(Leptonica ${MINIMUM_LEPTONICA_VERSION} CONFIG)
if(NOT Leptonica_FOUND AND PKG_CONFIG_EXECUTABLE)
pkg_check_modules(Leptonica lept>=${MINIMUM_LEPTONICA_VERSION})
link_directories(${Leptonica_LIBRARY_DIRS})
endif()
if(NOT Leptonica_FOUND)
message(FATAL_ERROR "Cannot find required library Leptonica. Quitting!")
endif(NOT Leptonica_FOUND)
include_directories(${Leptonica_INCLUDE_DIRS})
# Check for optional libraries.
if(WIN32)
find_package(TIFF) # for tesseract
if(NOT TIFF_FOUND AND PKG_CONFIG_EXECUTABLE)
# try PKG_CONFIG to find libtiff if cmake failed
pkg_check_modules(TIFF libtiff-4)
endif()
if(TIFF_FOUND)
set(HAVE_TIFFIO_H ON)
include_directories(${TIFF_INCLUDE_DIRS})
endif(TIFF_FOUND)
endif(WIN32)
if(DISABLE_ARCHIVE)
set(HAVE_LIBARCHIVE OFF)
else(DISABLE_ARCHIVE)
find_package(LibArchive)
if(NOT LibArchive_FOUND AND PKG_CONFIG_EXECUTABLE)
# try PKG_CONFIG to find libarchive if cmake failed
pkg_check_modules(LibArchive libarchive)
endif()
if(LibArchive_FOUND)
set(HAVE_LIBARCHIVE ON)
include_directories(${LibArchive_INCLUDE_DIRS})
endif(LibArchive_FOUND)
endif(DISABLE_ARCHIVE)
if(DISABLE_CURL)
set(HAVE_LIBCURL OFF)
else(DISABLE_CURL)
find_package(CURL)
if(NOT CURL_FOUND AND PKG_CONFIG_EXECUTABLE)
# try PKG_CONFIG to find libcurl if cmake failed
pkg_check_modules(CURL libcurl)
endif()
if(CURL_FOUND)
set(HAVE_LIBCURL ON)
include_directories(${CURL_INCLUDE_DIRS})
endif(CURL_FOUND)
endif(DISABLE_CURL)
endif()
IF(ENABLE_OPENCL)
find_package(OpenCL)
if (OpenCL_FOUND)
include_directories(${OpenCL_INCLUDE_DIRS})
message(STATUS "OpenCL_INCLUDE_DIRS: ${OpenCL_INCLUDE_DIRS}")
message(STATUS "OpenCL_LIBRARY: ${OpenCL_LIBRARY}")
set(USE_OPENCL ON)
else()
set(USE_OPENCL OFF)
endif(OpenCL_FOUND)
endif(ENABLE_OPENCL)
# ##############################################################################
#
# configure
#
# ##############################################################################
if(NOT MSVC)
set(MARCH_NATIVE_FLAGS "${MARCH_NATIVE_FLAGS} -O3 -ffast-math")
endif()
if(NOT DEFINED CMAKE_INSTALL_LIBDIR)
set(CMAKE_INSTALL_LIBDIR lib)
endif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
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")
set(LIBRARY_DIRS "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/include/tesseract/version.h.in
${CMAKE_CURRENT_BINARY_DIR}/include/tesseract/version.h @ONLY)
include(CMakePackageConfigHelpers)
include(GenerateExportHeader)
# show summary of configuration
if(${CMAKE_BUILD_TYPE} MATCHES Debug)
set(COMPILER_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}")
elseif(${CMAKE_BUILD_TYPE} MATCHES Release)
set(COMPILER_FLAGS "${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}")
if(LTO_SUPPORTED AND ENABLE_LTO)
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
else()
set(CMAKE_INTERPROCEDURAL_OPTIMIZATION FALSE)
endif() # LTO_SUPPORTED
endif()
if(CMAKE_SIZEOF_VOID_P EQUAL 8)
set(BUILD_ARCH "64 bits")
elseif(CMAKE_SIZEOF_VOID_P EQUAL 4)
set(BUILD_ARCH "32 bits")
endif()
message(STATUS)
message(STATUS "General configuration for Tesseract ${PACKAGE_VERSION}")
message(STATUS "--------------------------------------------------------")
message(STATUS "Build type: ${CMAKE_BUILD_TYPE} ${BUILD_ARCH}")
message(STATUS "Compiler: ${CMAKE_CXX_COMPILER_ID}")
message(STATUS "Used standard: C++${CMAKE_CXX_STANDARD}")
message(STATUS "CXX compiler options: ${COMPILER_FLAGS}")
get_directory_property(DirCompDefs COMPILE_DEFINITIONS)
message(STATUS "Compile definitions = ${DirCompDefs}")
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 "HAVE_AVX: ${HAVE_AVX}")
message(STATUS "HAVE_AVX2: ${HAVE_AVX2}")
message(STATUS "HAVE_AVX512F: ${HAVE_AVX512F}")
message(STATUS "HAVE_FMA: ${HAVE_FMA}")
message(STATUS "HAVE_SSE4_1: ${HAVE_SSE4_1}")
message(STATUS "MARCH_NATIVE_OPT: ${MARCH_NATIVE_OPT}")
message(STATUS "HAVE_NEON: ${HAVE_NEON}")
message(STATUS "Link-time optimization: ${CMAKE_INTERPROCEDURAL_OPTIMIZATION}")
message(STATUS "--------------------------------------------------------")
message(STATUS "Build with sw [SW_BUILD]: ${SW_BUILD}")
message(STATUS "Build with openmp support [OPENMP_BUILD]: ${OPENMP_BUILD}")
message(STATUS "Build with libarchive support [HAVE_LIBARCHIVE]: "
"${HAVE_LIBARCHIVE}")
message(STATUS "Build with libcurl support [HAVE_LIBCURL]: ${HAVE_LIBCURL}")
message(STATUS "Enable float for LSTM [FAST_FLOAT]: ${FAST_FLOAT}")
message(STATUS "Disable disable graphics (ScrollView) [GRAPHICS_DISABLED]: "
"${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}")
if(ENABLE_OPENCL)
message(STATUS "Enable unsupported experimental OpenCL [ENABLE_OPENCL]: ${USE_OPENCL}")
endif(ENABLE_OPENCL)
message(STATUS "Use system ICU Library [USE_SYSTEM_ICU]: ${USE_SYSTEM_ICU}")
message(STATUS "Install tesseract configs [INSTALL_CONFIGS]: ${INSTALL_CONFIGS}")
message(STATUS "--------------------------------------------------------")
message(STATUS)
# ##############################################################################
#
# build
#
# ##############################################################################
include(BuildFunctions)
include(SourceGroups)
add_definitions(-D_SILENCE_STDEXT_HASH_DEPRECATION_WARNINGS=1)
include_directories(${CMAKE_CURRENT_BINARY_DIR})
include_directories(${CMAKE_CURRENT_BINARY_DIR}/include)
if(ANDROID_TOOLCHAIN)
include_directories(${ANDROID_TOOLCHAIN}/sysroot/usr/include)
add_compile_definitions(__ANDROID_API_FUTURE__)
endif()
# ##############################################################################
# LIBRARY tesseract
# ##############################################################################
file(
GLOB
TESSERACT_SRC
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(DISABLED_LEGACY_ENGINE)
# prepend path to list of source files
function(prepend_path srcs path)
set(tmp, "")
foreach(src IN LISTS ${srcs})
list(APPEND tmp ${path}/${src})
endforeach(src ${srcs})
set(${srcs}
${tmp}
PARENT_SCOPE)
endfunction()
set(TESSERACT_SRC_LEGACY
src/ccmain/adaptions.cpp
src/ccmain/docqual.cpp
src/ccmain/equationdetect.cpp
src/ccmain/fixspace.cpp
src/ccmain/fixxht.cpp
src/ccmain/osdetect.cpp
src/ccmain/par_control.cpp
src/ccmain/recogtraining.cpp
src/ccmain/superscript.cpp
src/ccmain/tessbox.cpp
src/ccmain/tfacepp.cpp
src/ccstruct/fontinfo.cpp
src/ccstruct/params_training_featdef.cpp
src/ccutil/ambigs.cpp
src/ccutil/bitvector.cpp
src/ccutil/indexmapbidi.cpp
src/classify/adaptive.cpp
src/classify/adaptmatch.cpp
src/classify/blobclass.cpp
src/classify/cluster.cpp
src/classify/clusttool.cpp
src/classify/cutoffs.cpp
src/classify/featdefs.cpp
src/classify/float2int.cpp
src/classify/fpoint.cpp
src/classify/intfeaturespace.cpp
src/classify/intfx.cpp
src/classify/intmatcher.cpp
src/classify/intproto.cpp
src/classify/kdtree.cpp
src/classify/mf.cpp
src/classify/mfoutline.cpp
src/classify/mfx.cpp
src/classify/normfeat.cpp
src/classify/normmatch.cpp
src/classify/ocrfeatures.cpp
src/classify/outfeat.cpp
src/classify/picofeat.cpp
src/classify/protos.cpp
src/classify/shapeclassifier.cpp
src/classify/shapetable.cpp
src/classify/tessclassifier.cpp
src/classify/trainingsample.cpp
src/dict/permdawg.cpp
src/dict/hyphen.cpp
src/wordrec/associate.cpp
src/wordrec/chop.cpp
src/wordrec/chopper.cpp
src/wordrec/drawfx.cpp
src/wordrec/findseam.cpp
src/wordrec/gradechop.cpp
src/wordrec/language_model.cpp
src/wordrec/lm_consistency.cpp
src/wordrec/lm_pain_points.cpp
src/wordrec/lm_state.cpp
src/wordrec/outlines.cpp
src/wordrec/params_model.cpp
src/wordrec/pieces.cpp
src/wordrec/plotedges.cpp
src/wordrec/render.cpp
src/wordrec/segsearch.cpp
src/wordrec/wordclass.cpp)
prepend_path(TESSERACT_SRC_LEGACY "${CMAKE_CURRENT_SOURCE_DIR}")
list(REMOVE_ITEM TESSERACT_SRC ${TESSERACT_SRC_LEGACY})
endif(DISABLED_LEGACY_ENGINE)
list(APPEND arch_files src/arch/dotproduct.cpp src/arch/simddetect.cpp
src/arch/intsimdmatrix.cpp)
if(MARCH_NATIVE_FLAGS)
set_source_files_properties(src/arch/dotproduct.cpp
PROPERTIES COMPILE_FLAGS ${MARCH_NATIVE_FLAGS})
endif(MARCH_NATIVE_FLAGS)
if(HAVE_AVX)
list(APPEND arch_files_opt src/arch/dotproductavx.cpp)
set_source_files_properties(src/arch/dotproductavx.cpp
PROPERTIES COMPILE_FLAGS ${AVX_COMPILE_FLAGS})
endif(HAVE_AVX)
if(HAVE_AVX2)
list(APPEND arch_files_opt src/arch/intsimdmatrixavx2.cpp
src/arch/dotproductavx.cpp)
set_source_files_properties(src/arch/intsimdmatrixavx2.cpp
PROPERTIES COMPILE_FLAGS ${AVX2_COMPILE_FLAGS})
endif(HAVE_AVX2)
if(HAVE_AVX512F)
list(APPEND arch_files_opt src/arch/dotproductavx512.cpp)
set_source_files_properties(src/arch/dotproductavx512.cpp
PROPERTIES COMPILE_FLAGS ${AVX512F_COMPILE_FLAGS})
endif(HAVE_AVX512F)
if(HAVE_FMA)
list(APPEND arch_files_opt src/arch/dotproductfma.cpp)
set_source_files_properties(src/arch/dotproductfma.cpp
PROPERTIES COMPILE_FLAGS ${FMA_COMPILE_FLAGS})
endif(HAVE_FMA)
if(HAVE_SSE4_1)
list(APPEND arch_files_opt src/arch/dotproductsse.cpp
src/arch/intsimdmatrixsse.cpp)
set_source_files_properties(
src/arch/dotproductsse.cpp src/arch/intsimdmatrixsse.cpp
PROPERTIES COMPILE_FLAGS ${SSE4_1_COMPILE_FLAGS})
endif(HAVE_SSE4_1)
if(HAVE_NEON)
list(APPEND arch_files_opt src/arch/dotproductneon.cpp
src/arch/intsimdmatrixneon.cpp)
if(NEON_COMPILE_FLAGS)
set_source_files_properties(
src/arch/dotproductneon.cpp src/arch/intsimdmatrixneon.cpp
PROPERTIES COMPILE_FLAGS ${NEON_COMPILE_FLAGS})
endif()
endif(HAVE_NEON)
file(
GLOB_RECURSE
TESSERACT_HDR
include/*
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)
set(TESSERACT_CONFIGS
tessdata/configs/alto
tessdata/configs/ambigs.train
tessdata/configs/api_config
tessdata/configs/bazaar
tessdata/configs/bigram
tessdata/configs/box.train
tessdata/configs/box.train.stderr
tessdata/configs/digits
tessdata/configs/get.images
tessdata/configs/hocr
tessdata/configs/inter
tessdata/configs/kannada
tessdata/configs/linebox
tessdata/configs/logfile
tessdata/configs/lstm.train
tessdata/configs/lstmbox
tessdata/configs/lstmdebug
tessdata/configs/makebox
tessdata/configs/pdf
tessdata/configs/quiet
tessdata/configs/rebox
tessdata/configs/strokewidth
tessdata/configs/tsv
tessdata/configs/txt
tessdata/configs/unlv
tessdata/configs/wordstrbox)
set(TESSERACT_TESSCONFIGS
tessdata/tessconfigs/batch
tessdata/tessconfigs/batch.nochop
tessdata/tessconfigs/matdemo
tessdata/tessconfigs/msdemo
tessdata/tessconfigs/nobatch
tessdata/tessconfigs/segdemo)
set(LIBTESSFILES ${TESSERACT_SRC} ${arch_files} ${arch_files_opt}
${TESSERACT_HDR})
source_group(TREE ${CMAKE_CURRENT_SOURCE_DIR} FILES ${LIBTESSFILES})
add_library(libtesseract ${LIBTESSFILES})
target_include_directories(
libtesseract
BEFORE
PRIVATE src
PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/arch>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/ccmain>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/ccstruct>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/ccutil>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/classify>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/cutil>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/dict>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/lstm>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/opencl>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/textord>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/viewer>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/wordrec>
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src/training>)
if(BUILD_SHARED_LIBS)
target_compile_definitions(
libtesseract
PRIVATE -DTESS_EXPORTS
INTERFACE -DTESS_IMPORTS)
# generate_export_header (libtesseract EXPORT_MACRO_NAME TESS_API)
endif()
target_link_libraries(libtesseract PRIVATE ${LIB_Ws2_32} ${LIB_pthread})
if(OpenMP_CXX_FOUND)
target_link_libraries(libtesseract PUBLIC OpenMP::OpenMP_CXX)
endif()
if(OpenCL_FOUND)
target_link_libraries(libtesseract PUBLIC OpenCL::OpenCL)
endif()
if(LibArchive_FOUND)
target_link_libraries(libtesseract PUBLIC ${LibArchive_LIBRARIES})
endif(LibArchive_FOUND)
if(CURL_FOUND)
if(NOT CURL_LIBRARIES)
target_link_libraries(libtesseract PUBLIC CURL::libcurl)
else()
target_link_libraries(libtesseract PUBLIC ${CURL_LIBRARIES})
endif()
endif(CURL_FOUND)
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(SW_BUILD)
target_link_libraries(libtesseract PUBLIC org.sw.demo.danbloomberg.leptonica
org.sw.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
NAMESPACE Tesseract::)
else()
target_link_libraries(libtesseract PUBLIC ${Leptonica_LIBRARIES})
export(
TARGETS libtesseract
FILE ${CMAKE_CURRENT_BINARY_DIR}/TesseractTargets.cmake
NAMESPACE Tesseract::)
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
target_link_libraries(libtesseract PRIVATE ${OpenMP_LIBRARY})
endif()
if (ANDROID)
add_definitions(-DANDROID)
find_package(CpuFeaturesNdkCompat REQUIRED)
target_include_directories(libtesseract PRIVATE "${CpuFeaturesNdkCompat_DIR}/../../../include/ndk_compat")
target_link_libraries (libtesseract PRIVATE CpuFeatures::ndk_compat)
endif()
# ##############################################################################
# EXECUTABLE tesseract
# ##############################################################################
add_executable(tesseract src/tesseract.cpp)
target_link_libraries(tesseract libtesseract)
if(HAVE_TIFFIO_H AND WIN32)
target_link_libraries(tesseract ${TIFF_LIBRARIES})
endif()
if(OPENMP_BUILD AND UNIX)
target_link_libraries(tesseract pthread)
endif()
# ##############################################################################
if(BUILD_TESTS AND EXISTS
${CMAKE_CURRENT_SOURCE_DIR}/unittest/third_party/googletest/CMakeLists.txt
)
add_subdirectory(unittest/third_party/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)
configure_package_config_file(
cmake/templates/TesseractConfig.cmake.in
${CMAKE_CURRENT_BINARY_DIR}/cmake/tesseract/TesseractConfig.cmake
INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/tesseract
PATH_VARS INCLUDE_DIR LIBRARY_DIRS)
write_basic_package_version_file(
${CMAKE_CURRENT_BINARY_DIR}/cmake/tesseract/TesseractConfigVersion.cmake
VERSION ${PACKAGE_VERSION}
COMPATIBILITY SameMajorVersion)
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/tesseract.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
install(TARGETS tesseract DESTINATION bin)
install(
TARGETS libtesseract
EXPORT TesseractTargets
RUNTIME DESTINATION bin
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(
EXPORT TesseractTargets
NAMESPACE Tesseract::
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/tesseract)
install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/cmake
DESTINATION ${CMAKE_INSTALL_LIBDIR})
install(
FILES include/tesseract/baseapi.h
include/tesseract/capi.h
include/tesseract/renderer.h
${CMAKE_CURRENT_BINARY_DIR}/include/tesseract/version.h
include/tesseract/ltrresultiterator.h
include/tesseract/pageiterator.h
include/tesseract/resultiterator.h
include/tesseract/osdetect.h
include/tesseract/publictypes.h
include/tesseract/ocrclass.h
include/tesseract/export.h
include/tesseract/unichar.h
# ${CMAKE_CURRENT_BINARY_DIR}/src/endianness.h
DESTINATION include/tesseract)
if(INSTALL_CONFIGS)
install(FILES ${TESSERACT_CONFIGS}
DESTINATION ${CMAKE_INSTALL_PREFIX}/share/tessdata/configs)
install(FILES ${TESSERACT_TESSCONFIGS}
DESTINATION ${CMAKE_INSTALL_PREFIX}/share/tessdata/tessconfigs)
endif()
# ##############################################################################
# uninstall target
# ##############################################################################
if(NOT TARGET uninstall)
configure_file(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/cmake_uninstall.cmake.in"
"${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake" IMMEDIATE @ONLY)
add_custom_target(
uninstall
COMMENT "Uninstall installed files"
COMMAND ${CMAKE_COMMAND} -P
${CMAKE_CURRENT_BINARY_DIR}/cmake_uninstall.cmake)
endif()
# ##############################################################################