VERBOSE_PREPROCESSOR "Show annoying debug messages during compilation."

.gitignore

@@ -38,6 +38,7 @@ lib/
 *.ninja*
 CMakeCache.txt
 CMakeFiles/
+.idea/
 cmake_install.cmake
 *.DS_Store
 .idea/

CMakeLists.txt

@@ -4,6 +4,8 @@
 #	Robert Hauck - Enable support for PNG/Freetype
 #   Qiangqiang Wu - Add biicode support
 
+option(CMAKE_VERBOSE_PREPROCESSOR "Show annoying debug messages during compilation." OFF)
+option(CMAKE_STOP_VERBOSE_PREPROCESSOR "Stop compilation after showing the annoying debug messages." ON)
 option(BUILD_NANA_DEMOS "Build all the demos form the nana_demo repository." ON)
 option(CMAKE_STD_make_unique_NOT_SUPPORTED "Add support for make_unique<>().")
 #set(CMAKE_STD_make_unique_NOT_SUPPORTED OFF)
@@ -99,6 +101,9 @@ if(ENABLE_JPEG)
 endif()
 
 
+if(CMAKE_VERBOSE_PREPROCESSOR)
+    add_definitions(-DVERBOSE_PREPROCESSOR)
+endif(CMAKE_VERBOSE_PREPROCESSOR)
 
 # STD_make_unique_NOT_SUPPORTED
 if(CMAKE_STD_make_unique_NOT_SUPPORTED)

include/nana/config.hpp

@@ -36,6 +36,7 @@
  *	- USE_github_com_meganz_mingw_std_threads  (MinGW with GCC < 4.8.1)
  *	- STD_NUMERIC_CONVERSIONS_NOT_SUPPORTED (MinGW with GCC < 4.8.1)
  *	- STD_TO_STRING_NOT_SUPPORTED (MinGW with GCC < 4.8)
+ *	- VERBOSE_PREPROCESSOR, STOP_VERBOSE_PREPROCESSOR
  *	- STD_make_unique_NOT_SUPPORTED  (MinGW with GCC < 4.8.1)
  *	  or __cpp_lib_make_unique
  *	http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2015/p0096r0.html#detail.cpp14.n3656
@@ -188,5 +189,13 @@
 	#endif
 #endif
 
+#if !defined(VERBOSE_PREPROCESSOR)
+    //#define VERBOSE_PREPROCESSOR
+#endif
+
+#if !defined(STOP_VERBOSE_PREPROCESSOR)
+	#define STOP_VERBOSE_PREPROCESSOR
+#endif
+
 
 #endif  // NANA_CONFIG_HPP

include/nana/deploy.hpp

@@ -15,9 +15,12 @@
 #ifndef NANA_DEPLOY_HPP
 #define NANA_DEPLOY_HPP
 
-#include <stdexcept>
-
 #include <nana/config.hpp>
+#if defined(VERBOSE_PREPROCESSOR)
+	#include <nana/verbose_preprocessor.hpp>
+#endif
+
+#include <stdexcept>
 #include <nana/charset.hpp>
 
 

include/nana/verbose_preprocessor.hpp

@@ -0,0 +1,56 @@
+/**
+ *	Nana Verbose preprocessor
+ *	Nana C++ Library(http://www.nanapro.org)
+ *	Copyright(C) 2003-2016 Jinhao(cnjinhao@hotmail.com)
+ *
+ *	Distributed under the Boost Software License, Version 1.0.
+ *	(See accompanying file LICENSE_1_0.txt or copy at
+ *	http://www.boost.org/LICENSE_1_0.txt)
+ *
+ *	@file     nana/verbose_preprocessor.hpp
+ *
+ *	@brief    show the values of configuration constants during compilation to facilitate build debugging.
+ *
+ *	Set VERBOSE_PREPROCESSOR to 1 to show the messages or to 0 for a normal build.
+ *	Normally set to 0. Set to 1 only in case you want to debug the build system because it is extremely repetitive and slow.
+ *
+ *  @authors  Ariel Vina-Rodriguez (qPCR4vir)
+ *
+ */
+// Created by ariel.rodriguez on 08.12.2015.
+//
+
+#ifndef NANA_VERBOSE_PREPROCESSOR_H
+#define NANA_VERBOSE_PREPROCESSOR_H
+
+#if defined(VERBOSE_PREPROCESSOR)
+
+    #define STRING2(x) #x
+	#define STRING(x) STRING2(x)
+	#pragma message ( "\nVerbose preprocessor =" STRING(VERBOSE_PREPROCESSOR)" , \n STOP_VERBOSE_PREPROCESSOR=" STRING(STOP_VERBOSE_PREPROCESSOR)  )
+
+	#pragma message ( "\nWindows: \n _WIN32=" STRING(_WIN32) ", \n __WIN32__ =" STRING(__WIN32__) " , \n WIN32=" STRING(WIN32)" , \n NANA_WINDOWS=" STRING(NANA_WINDOWS)   )
+
+	#pragma message ( "\nUNICODE: \n NANA_UNICODE=" STRING(NANA_UNICODE) ", \n _UNICODE =" STRING(_UNICODE) " , \n UNICODE=" STRING(UNICODE)  )
+
+	#pragma message ( "\nMinGW: \n __MINGW32__=" STRING(__MINGW32__) ", \n __MINGW64__=" STRING(__MINGW64__) " , \n MINGW=" STRING(MINGW) )
+
+	#pragma message ( "\nGNU: \n __GNUC__=" STRING(__GNUC__) ", \n __GNUC_MINOR__=" STRING(__GNUC_MINOR__) " , \n __GNUC_PATCHLEVEL__=" STRING(__GNUC_PATCHLEVEL__) )
+
+    #pragma message ( "\nSTD: \nSTD_CODECVT_NOT_SUPPORTED=" STRING(STD_CODECVT_NOT_SUPPORTED) " , \nSTD_THREAD_NOT_SUPPORTED=" STRING(STD_THREAD_NOT_SUPPORTED) )
+
+	#pragma message ( "\nSTD: \nUSE_github_com_meganz_mingw_std_threads=" STRING(USE_github_com_meganz_mingw_std_threads) " , \nSTD_THREAD_NOT_SUPPORTED=" STRING(STD_THREAD_NOT_SUPPORTED) )
+
+	#pragma message ( "\nClang compiler: \n__clang__=" STRING(__clang__)  ", \n__GLIBCPP__=" STRING(__GLIBCPP__) " , \n__GLIBCXX__=" STRING(__GLIBCXX__) )
+
+	#pragma message ( "\nMSC: \n_MSC_VER=" STRING(_MSC_VER) ", \n_MSC_FULL_VER=" STRING(_MSC_FULL_VER ) )
+
+    #if defined(STOP_VERBOSE_PREPROCESSOR)
+        #error ("\nCompilation stopped to avoid annoying messages")
+    #endif
+
+#endif // VERBOSE_PREPROCESSOR
+
+
+
+#endif //NANA_VERBOSE_PREPROCESSOR_H