WIP: Integrates Boost as an external CMake project.

This is a work in progress commit (tested on Mac OS) which shows how to build some boost libraries. Not all targets are changed accordingly but `make test` should work.

BaseLib/FileTools.cpp

@@ -16,6 +16,7 @@
 #include "StringTools.h"
 
 #include <sys/stat.h>
+#include <boost/filesystem.hpp>
 
 namespace BaseLib
 {
@@ -24,27 +25,10 @@ namespace BaseLib
  */
 bool IsFileExisting(const std::string &strFilename)
 {
-	struct stat stFileInfo;
-	bool blnReturn;
-	int intStat;
-
-	// Attempt to get the file attributes
-	intStat = stat(strFilename.c_str(),&stFileInfo);
-
-	if(intStat == 0)
-		// We were able to get the file attributes
-		// so the file obviously exists.
-		blnReturn = true;
+	if(boost::filesystem::exists(strFilename))
+		return true;
 	else
-		// We were not able to get the file attributes.
-		// This may mean that we don't have permission to
-		// access the folder which contains this file. If you
-		// need to do that level of checking, lookup the
-		// return values of stat which will give you
-		// more details on why stat failed.
-		blnReturn = false;
-
-	return blnReturn;
+		return false;
 }
 
 /**

CMakeLists.txt

@@ -86,12 +86,17 @@ ENDIF() #OGS_PACKAGING
 ### Subdirectories ###
 ######################
 
+# External projects
+INCLUDE(scripts/cmake/ExternalProjectBoost.cmake)
+
 # Add subdirectories with the projects
 ADD_SUBDIRECTORY( ThirdParty )
 INCLUDE_DIRECTORIES( ${CMAKE_SOURCE_DIR}/ThirdParty )
 INCLUDE_DIRECTORIES( ${CMAKE_SOURCE_DIR}/ThirdParty/quickcheck )
 
 ADD_SUBDIRECTORY( BaseLib )
+# TODO This is a hack but we have to make sure that Boost is built first
+ADD_DEPENDENCIES(BaseLib Boost)
 ADD_SUBDIRECTORY( FemLib )
 ADD_SUBDIRECTORY( FileIO )
 ADD_SUBDIRECTORY( GeoLib )

Tests/CMakeLists.txt

@@ -21,6 +21,7 @@ TARGET_LINK_LIBRARIES(testrunner
 	GTest
 	BaseLib
 	GeoLib
+	${Boost_LIBRARIES}
 )
 
 # Add make-target test which runs the testrunner

scripts/cmake/ExternalProjectBoost.cmake

+INCLUDE(ExternalProject)
+# Set Boost version and which libraries to compile
+SET(Boost_Version 1.49.0)
+SET(BOOST_LIBS_TO_BUILD
+	--with-program_options
+	--with-filesystem
+	--with-system
+	--with-date_time
+)
+
+STRING(REPLACE "." "_" Boost_Version_Underscore ${Boost_Version})
+
+# Set boost toolset
+IF(MSVC)
+	SET(BOOST_TOOLSET msvc-10.0) # TODO: VS 2010 only
+ENDIF()
+IF(COMPILER_IS_GCC)
+	SET(BOOST_TOOLSET gcc)
+ENDIF()
+IF(APPLE)
+	SET(BOOST_TOOLSET darwin)
+ENDIF()
+
+# Set update command
+IF(WIN32)
+	SET(BOOST_UPDATE_COMMAND bootstrap.bat)
+ELSE()
+	SET(BOOST_UPDATE_COMMAND ./bootstrap.sh)
+ENDIF()
+
+# Set additional config options
+SET(BOOST_CONFIG_OPTIONS "")
+IF(WIN32)
+	IF(HAVE_64_BIT)
+		SET(BOOST_CONFIG_OPTIONS "architecture=x86 address-model=64")
+	ENDIF()
+ENDIF()
+
+
+ExternalProject_Add(Boost
+	PREFIX ${CMAKE_BINARY_DIR}/External/boost
+	URL http://downloads.sourceforge.net/project/boost/boost/${Boost_Version}/boost_${Boost_Version_Underscore}.zip
+	URL_MD5 854dcbbff31b896c85c38247060b7713
+	UPDATE_COMMAND "${BOOST_UPDATE_COMMAND}"
+	CONFIGURE_COMMAND ""
+	BUILD_COMMAND ./b2 ${BOOST_LIBS_TO_BUILD} toolset=${BOOST_TOOLSET} link=static stage ${BOOST_CONFIG_OPTIONS}
+	BUILD_IN_SOURCE 1
+	INSTALL_COMMAND ""
+)
+ExternalProject_Get_Property( Boost source_dir )
+
+#IF(NOT Boost_INCLUDE_DIRS)
+	SET( Boost_INCLUDE_DIRS ${source_dir} CACHE INTERNAL "Boost include directories")
+	# TODO this has to be set manually!
+	FILE( GLOB Boost_LIBRARIES "${source_dir}/stage/lib/" "${source_dir}/stage/lib/*.a")
+	SET( Boost_LIBRARIES ${Boost_LIBRARIES} CACHE INTERNAL "Boost libraries")
+	MESSAGE(STATUS "Boost inc: ${Boost_INCLUDE_DIRS}")
+	MESSAGE(STATUS "Boost libs: ${Boost_LIBRARIES}")
+#ENDIF()
+
+INCLUDE_DIRECTORIES( ${Boost_INCLUDE_DIRS} )
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