1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
OCV_OPTION(WITH_TESSERACT "Include Tesseract OCR library support" (NOT CMAKE_CROSSCOMPILING)
VERIFY HAVE_TESSERACT)
if(NOT HAVE_TESSERACT
AND (WITH_TESSERACT OR OPENCV_FIND_TESSERACT)
)
if(NOT Tesseract_FOUND)
find_package(Tesseract QUIET) # Prefer CMake's standard locations (including Tesseract_DIR)
endif()
if(NOT Tesseract_FOUND)
include("${CMAKE_CURRENT_LIST_DIR}/FindTesseract.cmake") # OpenCV's fallback
endif()
if(Tesseract_FOUND)
if(Tesseract_VERSION)
message(STATUS "Tesseract: YES (ver ${Tesseract_VERSION})")
else()
message(STATUS "Tesseract: YES (ver unknown)")
endif()
if(NOT ENABLE_CXX11 AND NOT OPENCV_SKIP_TESSERACT_BUILD_CHECK)
try_compile(__VALID_TESSERACT
"${OpenCV_BINARY_DIR}/cmake_check/tesseract"
"${CMAKE_CURRENT_LIST_DIR}/checks/tesseract_test.cpp"
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES:STRING=${Tesseract_INCLUDE_DIRS}"
LINK_LIBRARIES ${Tesseract_LIBRARIES}
OUTPUT_VARIABLE TRY_OUT
)
if(NOT __VALID_TESSERACT)
if(OPENCV_DEBUG_TESSERACT_BUILD)
message(STATUS "${TRY_OUT}")
endif()
message(STATUS "Can't use Tesseract (details: https://github.com/opencv/opencv_contrib/pull/2220)")
return()
endif()
endif()
set(HAVE_TESSERACT 1)
set(HAVE_TESSERACT 1)
# TODO use ocv_add_external_target
set(name "tesseract")
set(inc "${Tesseract_INCLUDE_DIRS}")
set(link "${Tesseract_LIBRARIES}")
set(def "")
if(BUILD_SHARED_LIBS)
set(imp IMPORTED)
endif()
add_library(ocv.3rdparty.${name} INTERFACE ${imp})
set_target_properties(ocv.3rdparty.${name} PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${inc}"
INTERFACE_SYSTEM_INCLUDE_DIRECTORIES "${inc}"
INTERFACE_LINK_LIBRARIES "${link}"
INTERFACE_COMPILE_DEFINITIONS "${def}")
if(NOT BUILD_SHARED_LIBS)
install(TARGETS ocv.3rdparty.${name} EXPORT OpenCVModules)
endif()
else()
message(STATUS "Tesseract: NO")
endif()
endif()
|
