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cmake: check if leptonica was build with tiff support

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This commit is contained in:
zdenop 2023-05-10 22:09:49 +02:00
parent d999957fae
commit 58b75b3fd9
2 changed files with 60 additions and 0 deletions
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11
CMakeLists.txt
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@ -372,6 +372,7 @@ add_definitions("-DCMAKE_BUILD")
# packages
#
# ##############################################################################
include(CheckFunctions)
if(SW_BUILD)
find_package(SW REQUIRED)
@ -398,9 +399,19 @@ else()
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)
message(NOTICE "Leptonica was build without TIFF support! Disabling TIFF support...")
set(DISABLE_TIFF ON)
else()
message(STATUS "Leptonica was build with TIFF support.")
endif()
# Check for optional libraries.
if(DISABLE_TIFF)
set(HAVE_TIFFIO_H OFF)

49
cmake/CheckFunctions.cmake Normal file
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@ -0,0 +1,49 @@
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by
# applicable law or agreed to in writing, software distributed under the License
# is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the specific language
# governing permissions and limitations under the License.
# ##############################################################################
#
# macros and functions
#
# ##############################################################################
# ##############################################################################
# FUNCTION check_leptonica_tiff_support
# ##############################################################################
function(check_leptonica_tiff_support)
# check if leptonica was build with tiff support set result to
# LEPT_TIFF_RESULT
set(TIFF_TEST
"#include <leptonica/allheaders.h>\n"
"int main() {\n"
" l_uint8 *data = NULL;\n"
" size_t size = 0;\n"
" PIX* pix = pixCreate(3, 3, 4);\n"
" l_int32 ret_val = pixWriteMemTiff(&data, &size, pix, IFF_TIFF_G3);\n"
" pixDestroy(&pix);\n"
" lept_free(data);\n"
" return ret_val;}\n")
set(CMAKE_TRY_COMPILE_CONFIGURATION ${CMAKE_BUILD_TYPE})
try_run(
LEPT_TIFF_RESULT
LEPT_TIFF_COMPILE
SOURCE_FROM_CONTENT tiff_test.cpp "${TIFF_TEST}"
CMAKE_FLAGS "-DINCLUDE_DIRECTORIES=${Leptonica_INCLUDE_DIRS}"
LINK_LIBRARIES ${Leptonica_LIBRARIES}
COMPILE_OUTPUT_VARIABLE
COMPILE_OUTPUT)
if(NOT LEPT_TIFF_COMPILE)
message(STATUS "COMPILE_OUTPUT: ${COMPILE_OUTPUT}")
message(STATUS "Leptonica_INCLUDE_DIRS: ${Leptonica_INCLUDE_DIRS}")
message(STATUS "Leptonica_LIBRARIES: ${Leptonica_LIBRARIES}")
message(STATUS "LEPT_TIFF_RESULT: ${LEPT_TIFF_RESULT}")
message(STATUS "LEPT_TIFF_COMPILE: ${LEPT_TIFF_COMPILE}")
message(WARNING "Failed to compile test")
endif()
endfunction(check_leptonica_tiff_support)
# ##############################################################################