cmake: show configuration summary

CMakeLists.txt

@@ -184,17 +184,17 @@ foreach(flag ${Vc_ARCHITECTURE_FLAGS})
 endforeach()
 
 # add definition as expected in src/arch/simddetect.cpp
-set(AVX_OPT 0)
-set(AVX2_OPT 0)
-set(SSE41_OPT 0)
-set(MARCH_NATIVE_OPT 0)
+set(AVX_OPT OFF)
+set(AVX2_OPT OFF)
+set(SSE41_OPT OFF)
+set(MARCH_NATIVE_OPT OFF)
 foreach(flag ${_enable_vector_unit_list})  # from OptimizeForArchitecture()
     string(TOUPPER "${flag}" flag)
     string(REPLACE "\." "_" flag "${flag}")
     set(sim_flags "${sim_flags} -D${flag}")
     string(REPLACE "_" "" flag "${flag}")
     if("${flag}" MATCHES "AVX|AVX2|SSE41")
-        set("${flag}_OPT" 1)
+        set("${flag}_OPT" ON)
     endif()
 endforeach(flag)
 FILE(GLOB arch_files "src/arch/*.cpp")
@@ -204,7 +204,7 @@ CHECK_CXX_COMPILER_FLAG("-march=native" COMPILER_SUPPORTS_MARCH_NATIVE)
 if(COMPILER_SUPPORTS_MARCH_NATIVE)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native -mtune=native")
     set_source_files_properties(src/arch/dotproduct.cpp PROPERTIES COMPILE_FLAGS "${CMAKE_CXX_FLAGS} -O3 -ffast-math")
-    set(MARCH_NATIVE_OPT 1)
+    set(MARCH_NATIVE_OPT ON)
 endif()
 
 set(AUTOCONFIG_SRC ${CMAKE_CURRENT_BINARY_DIR}/config_auto.h.in)
@@ -237,6 +237,33 @@ configure_file(
     ${CMAKE_CURRENT_SOURCE_DIR}/cmake/templates/TesseractConfig.cmake.in
     ${CMAKE_CURRENT_BINARY_DIR}/TesseractConfig.cmake @ONLY)
 
+# show summary of configuration
+message( STATUS )
+message( STATUS "General configuration for Tesseract ${PACKAGE_VERSION}")
+message( STATUS "--------------------------------------------------------")
+message( STATUS "Build type: ${CMAKE_BUILD_TYPE}")
+message( STATUS "Compiler: ${CMAKE_CXX_COMPILER_ID}")
+message( STATUS "CXX compiler options: ${CMAKE_CXX_FLAGS_${CMAKE_BUILD_TYPE_UP}} ${CMAKE_CXX_FLAGS}")
+message( STATUS "Linker options: ${CMAKE_EXE_LINKER_FLAGS} ${CMAKE_EXE_LINKER_FLAGS_${CMAKE_BUILD_TYPE_UP}}")
+message( STATUS "Install directory: ${CMAKE_INSTALL_PREFIX}")
+message( STATUS "Architecture flags: ${Vc_ARCHITECTURE_FLAGS}")
+message( STATUS "Vector unit list: ${_enable_vector_unit_list}")
+message( STATUS "AVX_OPT: ${AVX_OPT}")
+message( STATUS "AVX2_OPT: ${AVX2_OPT}")
+message( STATUS "SSE41_OPT: ${SSE41_OPT}")
+message( STATUS "MARCH_NATIVE_OPT: ${MARCH_NATIVE_OPT}")
+message( STATUS "sim_flags: ${sim_flags}")
+message( STATUS )
+message( STATUS "Build with cppan [CPPAN_BUILD]: ${CPPAN_BUILD}")
+message( STATUS "Build with openmp support [OPENMP_BUILD]: ${OPENMP_BUILD}")
+message( STATUS "Disable disable graphics (ScrollView) [GRAPHICS_DISABLED]: ${GRAPHICS_DISABLED}")
+message( STATUS "Enable embedded build [EMBEDDED]: ${EMBEDDED}")
+message( STATUS "Disable the legacy OCR engine [DISABLED_LEGACY_ENGINE]: ${DISABLED_LEGACY_ENGINE}")
+message( STATUS "Build training tools [BUILD_TRAINING_TOOLS]: ${BUILD_TRAINING_TOOLS}")
+message( STATUS "Build tests [BUILD_TESTS]: ${BUILD_TESTS}")
+message( STATUS "--------------------------------------------------------")
+message( STATUS )
+
 ###############################################################################
 #
 # build