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https://github.com/tesseract-ocr/tesseract.git
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54 lines
2.4 KiB
CMake
54 lines
2.4 KiB
CMake
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by
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# applicable law or agreed to in writing, software distributed under the License
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# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the specific language
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# governing permissions and limitations under the License.
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# ##############################################################################
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#
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# macros and functions
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#
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# ##############################################################################
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# ##############################################################################
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# FUNCTION check_leptonica_tiff_support
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# ##############################################################################
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function(check_leptonica_tiff_support)
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# check if leptonica was build with tiff support set result to
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# LEPT_TIFF_RESULT
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set(TIFF_TEST
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"#include \"leptonica/allheaders.h\"\n"
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"int main() {\n"
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" l_uint8 *data = NULL;\n"
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" size_t size = 0;\n"
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" PIX* pix = pixCreate(3, 3, 4);\n"
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" l_int32 ret_val = pixWriteMemTiff(&data, &size, pix, IFF_TIFF_G3);\n"
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" pixDestroy(&pix);\n"
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" lept_free(data);\n"
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" return ret_val;}\n")
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if(${CMAKE_VERSION} VERSION_LESS "3.25")
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message(STATUS "Testing TIFF support in Leptonica is available with CMake >= 3.25 (you have ${CMAKE_VERSION}))")
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else()
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set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
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try_run(
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LEPT_TIFF_RESULT
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LEPT_TIFF_COMPILE_SUCCESS
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SOURCE_FROM_CONTENT tiff_test.cpp "${TIFF_TEST}"
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CMAKE_FLAGS "-DINCLUDE_DIRECTORIES=${Leptonica_INCLUDE_DIRS}"
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LINK_LIBRARIES ${Leptonica_LIBRARIES}
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COMPILE_OUTPUT_VARIABLE
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COMPILE_OUTPUT)
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if(NOT LEPT_TIFF_COMPILE_SUCCESS)
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message(STATUS "COMPILE_OUTPUT: ${COMPILE_OUTPUT}")
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message(STATUS "Leptonica_INCLUDE_DIRS: ${Leptonica_INCLUDE_DIRS}")
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message(STATUS "Leptonica_LIBRARIES: ${Leptonica_LIBRARIES}")
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message(STATUS "LEPT_TIFF_RESULT: ${LEPT_TIFF_RESULT}")
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message(STATUS "LEPT_TIFF_COMPILE: ${LEPT_TIFF_COMPILE}")
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message(WARNING "Failed to compile test")
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endif()
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endif()
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endfunction(check_leptonica_tiff_support)
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# ##############################################################################
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