MinGW fixes.

BaseLib/MemWatch.cpp

@@ -14,7 +14,7 @@
 
 #include "MemWatch.h"
 
-#if !defined(WIN32) && !defined(__APPLE__)
+#if !defined(WIN32) && !defined(__APPLE__) && !defined(__MINGW32__)
 #include <iostream>
 #include <fstream>
 #include <string>
@@ -32,7 +32,7 @@ MemWatch::MemWatch ()
 
 unsigned MemWatch::updateMemUsage ()
 {
-#if !defined(WIN32) && !defined(__APPLE__)
+#if !defined(WIN32) && !defined(__APPLE__) && !defined(__MINGW32__)
         std::string fname ("/proc/");
         std::stringstream str_pid;
         str_pid << static_cast<unsigned> (getpid());

scripts/cmake/ExternalProjectBoost.cmake

@@ -52,13 +52,16 @@ IF(NOT Boost_INCLUDE_DIRS)
 	IF(APPLE)
 		SET(BOOST_ROOT $ENV{HOMEBREW_ROOT})
 	ENDIF()
-	IF(WIN32)
+	IF(MSVC)
 		SET(Boost_USE_STATIC_LIBS ON)
 		IF(NOT DEFINED BOOST_LIBRARYDIR)
 			SET(BOOST_LIBRARYDIR "$ENV{CMAKE_LIBRARY_SEARCH_PATH}/boost/lib${BITS}-${BOOST_TOOLSET};C:/boost/lib${BITS}-${BOOST_TOOLSET};$ENV{BOOST_ROOT}/lib${BITS}-${BOOST_TOOLSET}")
 			SET(BOOST_INCLUDEDIR "$ENV{CMAKE_LIBRARY_SEARCH_PATH}/boost;C:/boost;$ENV{BOOST_ROOT}")
 		ENDIF()
 	ENDIF()
+	IF(WIN32 AND COMPILER_IS_GCC)
+		SET(BOOST_INCLUDEDIR "$ENV{CMAKE_LIBRARY_SEARCH_PATH}/include/boost*")
+	ENDIF()
 	FIND_PACKAGE(Boost 1.46.0 COMPONENTS ${BOOST_LIBS_TO_BUILD})
 	IF(Boost_FOUND)
 		SET(Boost_FOUND TRUE CACHE BOOL "Was Boost found?" FORCE)