[cmake] fix boost location, disable lto

cmake/DuneUtils.cmake

@@ -129,7 +129,11 @@ CHECK_INCLUDE_FILE_CXX("malloc.h" HAVE_MALLOC_H)
 SET( CUSTOM_FLAGS
 	"-Wall -Wextra -pedantic -O3 -DDNDEBUG -funroll-loops -g -ggdb -DENABLE_ADAPTIVE=1 -DADAPTIVE_SOLVER -DUSE_BFG_CG_SCHEME -fno-strict-aliasing" CACHE STRING  
 	"CUSTOM FLAGS")
-FIND_PACKAGE(Boost 1.35.0 REQUIRED)
+SET( BOOST_ROOT
+	"/opt/boost-1.48" CACHE STRING
+	"" )	
+	
+FIND_PACKAGE(Boost 1.48.0 REQUIRED)
 INCLUDE_DIR(${Boost_INCLUDE_DIR})
 FIND_PACKAGE( PkgConfig )
 pkg_check_modules( CCGNU REQUIRED libccgnu2 )
@@ -137,13 +141,13 @@ ADD_CXX_FLAGS( "${CCGNU_CFLAGS}")
 INCLUDE_SYS_DIR(${Boost_INCLUDE_DIR})
 
 #try to enable link-time-optimisation
-if (CMAKE_COMPILER_IS_GNUCC)
-	execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
-	if (GCC_VERSION VERSION_GREATER 4.5 OR GCC_VERSION VERSION_EQUAL 4.5)
-		set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
-		set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -flto")
-		set (CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -flto")
-	endif()
-endif()
+# if (CMAKE_COMPILER_IS_GNUCC)
+# 	execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion OUTPUT_VARIABLE GCC_VERSION)
+# 	if (GCC_VERSION VERSION_GREATER 4.5 OR GCC_VERSION VERSION_EQUAL 4.5)
+# 		set (CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -flto")
+# 		set (CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} -flto")
+# 		set (CMAKE_MODULE_LINKER_FLAGS "${CMAKE_MODULE_LINKER_FLAGS} -flto")
+# 	endif()
+# endif()
 
 ENABLE_TESTING()