cmake: check if leptonica was build with tiff support

CMakeLists.txt

@@ -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)

cmake/CheckFunctions.cmake

@@ -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)
+
+# ##############################################################################