Disable training tools on appveyor because of installed cmake 3.6 bug.

Author: egorpugin

CMakeLists.txt

@@ -64,6 +64,8 @@ endif()
 
 find_package(OpenCL QUIET)
 
+option(BUILD_TRAINING_TOOLS "Build training tools" ON)
+
 ###############################################################################
 #
 # compiler and linker
@@ -246,6 +248,8 @@ set_target_properties           (tesseractmain PROPERTIES OUTPUT_NAME tesseract)
 
 ########################################
 
+if (BUILD_TRAINING_TOOLS)
 add_subdirectory(training)
+endif()
 
 ###############################################################################

appveyor.yml

@@ -16,8 +16,6 @@ before_build:
   - curl -fsS -o cppan.zip https://cppan.org/client/cppan-master-Windows-client.zip
   - 7z x cppan.zip
   - set PATH=%PATH%;%cd%
-  
-  - cmake --version
 
   - cppan # dummy run to create %USERPROFILE%\.cppan\cppan.yml
   - ps: 'Add-Content $env:USERPROFILE\.cppan\cppan.yml "`n`nbuild_system_verbose: false`n"'
@@ -26,5 +24,5 @@ build_script:
   - cppan
   - mkdir build
   - cd build
-  - cmake .. -G "%generator%"
+  - cmake .. -G "%generator%" -DBUILD_TRAINING_TOOLS=Off
   - cmake --build . --config Release