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d1b89204ec
tesseract/CMakeLists.txt
Neal Gompa 280779c615 cmake: Correctly set the soversion based on SemVer properties 
As this project follows Semantic Versioning, the shared object
version should match these semantics.

The two options that make sense here are to have the soversion
set to the version major (so only breaking changes are tracked)
or to set to version major and minor (so breaking and API additions
are tracked).

Since the Windows version of the library already uses version major
and version minor, let's just do this universally.

Fixes: 832926f5af ("Update library version handling for cmake")

Signed-off-by: Neal Gompa <neal@gompa.dev>
2024-09-18 07:44:29 -04:00

987 lines
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CMake
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#
# 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_NATIVE
"Enable optimization for host CPU (could break HW compatibility)" OFF)
# see
# https://stackoverflow.com/questions/52653025/why-is-march-native-used-so-rarely
option(BUILD_TRAINING_TOOLS "Build training tools" ON)
option(BUILD_TESTS "Build tests" OFF)
option(USE_SYSTEM_ICU "Use system ICU" OFF)
option(DISABLE_TIFF "Disable build with libtiff (if available)" 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 ${CMAKE_VERSION} VERSION_LESS "3.15.0")
if(WIN32 AND MSVC)
option(WIN32_MT_BUILD "Build with MT flag for MSVC" OFF)
endif()
endif()
# ##############################################################################
#
# compiler and linker
#
# ##############################################################################
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
set(CLANG 1)
endif()
if(NOT CMAKE_BUILD_TYPE)
message(STATUS "Setting build type to 'Release' as none was specified.")
set(CMAKE_BUILD_TYPE
Release
CACHE STRING "Choose the type of build." FORCE)
set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release")
endif()
include(CheckCXXCompilerFlag)
set(CMAKE_CXX_STANDARD 17)
if("cxx_std_20" IN_LIST CMAKE_CXX_COMPILE_FEATURES)
set(CMAKE_CXX_STANDARD 20)
endif()
set(CMAKE_CXX_STANDARD_REQUIRED ON)
if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
# cygwin gnu c++ needs to use -std=gnu++17 instead of -std=c++17
set(CMAKE_CXX_EXTENSIONS OFF)
endif()
if(BUILD_SHARED_LIBS)
set(CMAKE_CXX_VISIBILITY_PRESET hidden)
endif()
# LTO
cmake_policy(SET CMP0069 NEW)
include(CheckIPOSupported)
check_ipo_supported(RESULT LTO_SUPPORTED OUTPUT error)
if(LTO_SUPPORTED)
message(STATUS "IPO / LTO supported")
else()
message(STATUS "IPO / LTO not supported: <${error}>")
endif()
set(MARCH_NATIVE_OPT OFF)
if(ENABLE_NATIVE)
check_cxx_compiler_flag("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
if(COMPILER_SUPPORTS_MARCH_NATIVE)
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} -march=native")
if(NOT CLANG AND MSVC)
# clang-cl does not know this argument
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} -mtune=native")
endif()
set(MARCH_NATIVE_OPT ON)
endif(COMPILER_SUPPORTS_MARCH_NATIVE)
endif(ENABLE_NATIVE)
message(STATUS "CMAKE_SYSTEM_PROCESSOR=<${CMAKE_SYSTEM_PROCESSOR}>")
if(CMAKE_SYSTEM_PROCESSOR MATCHES "x86|x86_64|AMD64|amd64|i386|i686")
set(HAVE_NEON FALSE)
if(MSVC)
set(HAVE_AVX ON)
set(AVX_COMPILE_FLAGS "/arch:AVX")
add_definitions("-DHAVE_AVX")
set(HAVE_AVX2 ON)
set(AVX2_COMPILE_FLAGS "/arch:AVX2")
add_definitions("-DHAVE_AVX2")
set(HAVE_AVX512F ON)
set(AVX512F_COMPILE_FLAGS "/arch:AVX512")
add_definitions("-DHAVE_AVX512F")
set(HAVE_FMA ON)
set(FMA_COMPILE_FLAGS "-D__FMA__")
add_definitions("-DHAVE_FMA")
set(HAVE_SSE4_1 ON)
set(SSE4_1_COMPILE_FLAGS "-D__SSE4_1__")
add_definitions("-DHAVE_SSE4_1")
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} -openmp:experimental")
add_definitions("-DOPENMP_SIMD")
# 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 ${SSE4_1_COMPILE_FLAGS}")
endif(HAVE_SSE4_1)
endif(CLANG)
else() # if not MSVC
check_cxx_compiler_flag("-mavx" HAVE_AVX)
if(HAVE_AVX)
set(AVX_COMPILE_FLAGS "-mavx")
add_definitions("-DHAVE_AVX")
endif(HAVE_AVX)
check_cxx_compiler_flag("-mavx2" HAVE_AVX2)
if(HAVE_AVX2)
set(AVX2_COMPILE_FLAGS "-mavx2")
add_definitions("-DHAVE_AVX2")
endif()
check_cxx_compiler_flag("-mavx512f" HAVE_AVX512F)
if(HAVE_AVX512F)
set(AVX512F_COMPILE_FLAGS "-mavx512f")
add_definitions("-DHAVE_AVX512F")
endif()
check_cxx_compiler_flag("-mfma" HAVE_FMA)
if(HAVE_FMA)
set(FMA_COMPILE_FLAGS "-mfma")
add_definitions("-DHAVE_FMA")
endif()
check_cxx_compiler_flag("-msse4.1" HAVE_SSE4_1)
if(HAVE_SSE4_1)
set(SSE4_1_COMPILE_FLAGS "-msse4.1")
add_definitions("-DHAVE_SSE4_1")
endif()
check_cxx_compiler_flag("-fopenmp-simd" OPENMP_SIMD)
if(OPENMP_SIMD)
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} -fopenmp-simd")
add_definitions("-DOPENMP_SIMD")
endif(OPENMP_SIMD)
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)
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")
endif(HAVE_NEON)
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")
if(HAVE_NEON)
message(STATUS "LTO build is not supported on arm/RBPi.")
set(ENABLE_LTO FALSE) # enable LTO cause fatal error on arm/RBPi
endif()
# Compiler specific environment
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)
# workaround 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()
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
#
# ##############################################################################
include(CheckFunctions)
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!")
else()
message(STATUS "Found leptonica version: ${Leptonica_VERSION}")
endif(NOT Leptonica_FOUND)
include_directories(${Leptonica_INCLUDE_DIRS})
check_leptonica_tiff_support()
if ((NOT LEPT_TIFF_RESULT EQUAL 0) AND LEPT_TIFF_COMPILE_SUCCESS)
message(NOTICE "Leptonica was build without TIFF support! Disabling TIFF support...")
set(DISABLE_TIFF ON)
elseif(NOT ${CMAKE_VERSION} VERSION_LESS "3.25")
message(STATUS "Leptonica was build with TIFF support.")
endif()
# Check for optional libraries.
if(DISABLE_TIFF)
set(HAVE_TIFFIO_H OFF)
message(STATUS "TIFF support disabled.")
else(DISABLE_TIFF)
find_package(TIFF) # for tesseract
if(NOT TIFF_FOUND AND PKG_CONFIG_EXECUTABLE)
# try PKG_CONFIG to find libtiff if cmake failed
pkg_check_modules(TIFF libtiff-4)
endif()
if(TIFF_FOUND)
set(HAVE_TIFFIO_H ON)
include_directories(${TIFF_INCLUDE_DIRS})
endif(TIFF_FOUND)
endif(DISABLE_TIFF)
if(DISABLE_ARCHIVE)
set(HAVE_LIBARCHIVE OFF)
message(STATUS "LibArchive support disabled.")
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(${LibArchive_INCLUDE_DIRS})
endif(LibArchive_FOUND)
endif(DISABLE_ARCHIVE)
if(DISABLE_CURL)
set(HAVE_LIBCURL OFF)
message(STATUS "CURL support disabled.")
else(DISABLE_CURL)
find_package(CURL)
if(NOT CURL_FOUND AND PKG_CONFIG_EXECUTABLE)
# try PKG_CONFIG to find libcurl if cmake failed
pkg_check_modules(CURL libcurl)
endif()
if(CURL_FOUND)
set(HAVE_LIBCURL ON)
include_directories(${CURL_INCLUDE_DIRS})
endif(CURL_FOUND)
endif(DISABLE_CURL)
endif()
# ##############################################################################
#
# configure
#
# ##############################################################################
if(MSVC)
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} /fp:fast")
else()
set(DOTPRODUCT_FLAGS "${DOTPRODUCT_FLAGS} -O3 -ffast-math")
endif()
include (GNUInstallDirs)
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"
${CMAKE_INSTALL_INCLUDEDIR})
include(Configure)
configure_file(${AUTOCONFIG_SRC} ${AUTOCONFIG} @ONLY)
set(INCLUDE_DIR ${CMAKE_INSTALL_INCLUDEDIR})
set(LIBRARY_DIRS ${CMAKE_INSTALL_LIBDIR})
configure_file(${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 "Enable optimization for host CPU (could break HW compatibility)"
" [ENABLE_NATIVE]: ${ENABLE_NATIVE}")
message(STATUS "Disable disable graphics (ScrollView) [GRAPHICS_DISABLED]: "
"${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 "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/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(DOTPRODUCT_FLAGS)
set_source_files_properties(src/arch/dotproduct.cpp
PROPERTIES COMPILE_FLAGS ${DOTPRODUCT_FLAGS})
endif(DOTPRODUCT_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/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/pagerenderer.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/page
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/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(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})
set_target_properties(
libtesseract
PROPERTIES
OUTPUT_NAME
tesseract$<$<BOOL:${WIN32}>:${VERSION_MAJOR}${VERSION_MINOR}$<$<CONFIG:DEBUG>:d>>
)
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.in
@ONLY)
# to resolve generator expression in OUTPUT_NAME
file(
GENERATE
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/tesseract_$<CONFIG>.pc
INPUT ${CMAKE_CURRENT_BINARY_DIR}/tesseract.pc.in)
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 ${CMAKE_CURRENT_BINARY_DIR}/tesseract_$<CONFIG>.pc
DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
RENAME tesseract.pc)
install(TARGETS tesseract DESTINATION bin)
if (MSVC)
install(FILES $<TARGET_PDB_FILE:${PROJECT_NAME}> DESTINATION bin OPTIONAL)
endif()
install(
TARGETS libtesseract
EXPORT TesseractTargets
RUNTIME DESTINATION bin
RUNTIME DESTINATION bin
LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})
if (MSVC AND BUILD_SHARED_LIBS)
install(FILES $<TARGET_PDB_FILE:libtesseract> DESTINATION bin OPTIONAL)
endif()
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_DATAROOTDIR}/tessdata/configs)
install(FILES ${TESSERACT_TESSCONFIGS}
DESTINATION ${CMAKE_INSTALL_DATAROOTDIR}/tessdata/tessconfigs)
endif()
# ##############################################################################
# uninstall target
# ##############################################################################
if(NOT TARGET uninstall)
configure_file(
"${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()
# ##############################################################################
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