[Orxonox-commit 978] r5702 - code/trunk/cmake

[rgrieder at orxonox.net]

Author: rgrieder
Date: 2009-08-30 13:19:53 +0200 (Sun, 30 Aug 2009)
New Revision: 5702

Modified:
   code/trunk/cmake/CompilerConfigGCC.cmake
Log:
Added incompatibility warning: Orxonox does not compile with GCC 4.4 and later in conjunction with boost 1.36 and earlier.

Modified: code/trunk/cmake/CompilerConfigGCC.cmake
===================================================================
--- code/trunk/cmake/CompilerConfigGCC.cmake	2009-08-30 10:06:59 UTC (rev 5701)
+++ code/trunk/cmake/CompilerConfigGCC.cmake	2009-08-30 11:19:53 UTC (rev 5702)
@@ -24,6 +24,7 @@
  #
 
 INCLUDE(FlagUtilities)
+INCLUDE(CompareVersionStrings)
 
 # Shortcut for CMAKE_COMPILER_IS_GNUCXX and ..._GNUC
 SET(CMAKE_COMPILER_IS_GNU TRUE)
@@ -35,10 +36,17 @@
   OUTPUT_VARIABLE GCC_VERSION
 )
 
+# Complain about incompatibilities
+COMPARE_VERSION_STRINGS("${GCC_VERSION}" "4.4.0" _compare_result)
+IF(NOT _compare_result LESS 0)
+  IF(${Boost_VERSION} LESS 103700)
+    MESSAGE(STATUS "Warning: Boost versions earlier than 1.37 may not compile with GCC 4.4 or later!")
+  ENDIF()
+ENDIF()
+
 # GCC may not support #pragma GCC system_header correctly when using
 # templates. According to Bugzilla, it was fixed March 07 but tests
 # have confirmed that GCC 4.0.0 does not pose a problem for our cases.
-INCLUDE(CompareVersionStrings)
 COMPARE_VERSION_STRINGS("${GCC_VERSION}" "4.0.0" _compare_result)
 IF(_compare_result LESS 0)
   SET(GCC_NO_SYSTEM_HEADER_SUPPORT TRUE)