Changeset 5691 for code/branches

Timestamp:

Aug 29, 2009, 10:05:55 PM (15 years ago)

Author:

rgrieder

Message:

Enable link time code generation for visual studio if ORXONOX_RELEASE is enabled. This creates slightly faster and especially much less (about half) code.

Location:

code/branches/resource2

Files:

• CMakeLists.txt (modified) (1 diff)
• cmake/CompilerConfigMSVC.cmake (modified) (2 diffs)
• src/OrxonoxConfig.cmake (modified) (1 diff)

code/branches/resource2/CMakeLists.txt

@@ -89 +89 @@
 ENDIF()
 
+# Enable expensive optimisations: use this for a binary release build
+OPTION(ORXONOX_RELEASE "Enable when building restributable releases" FALSE)
+
 ########### Subfolders and Subscripts ###########
 

code/branches/resource2/cmake/CompilerConfigMSVC.cmake

@@ -75 +75 @@
 SET_COMPILER_FLAGS("-MD  -O1     -DNDEBUG -MP2"      MinSizeRel     CACHE)
 
-# Microsoft unfortunately couldn't integrate a fix issued while VS 2008 beta 2
-# was being tested into the final release even though a fix existed...
-# And it's actually quite a big issue, you simple can't compile anything.
-# Fortunately for us, disabling Minimal Rebuild solves the problem.
-REMOVE_COMPILER_FLAGS("-Gm" Debug MSVC09 CACHE)
-# And since we have to remove /Gm, let's add /MP2 to speed things up
-ADD_COMPILER_FLAGS("-MP2" Debug MSVC09 CACHE)
+# Use Link time code generation for Release config if ORXONOX_RELEASE is defined
+IF(ORXONOX_RELEASE)
+  ADD_COMPILER_FLAGS("-GL" ReleaseAll CACHE)
+ENDIF()
 
 
@@ -149 +146 @@
 ADD_LINKER_FLAGS("-OPT:REF -OPT:ICF" Release MinSizeRel CACHE)
 ADD_LINKER_FLAGS("-OPT:NOWIN98" MSVC80 CACHE)
+
+# Use Link time code generation for Release config if ORXONOX_RELEASE is defined
+IF(ORXONOX_RELEASE)
+  ADD_LINKER_FLAGS("-LTCG" ReleaseAll CACHE)
+ENDIF()

code/branches/resource2/src/OrxonoxConfig.cmake

@@ -38 +38 @@
   OPTION(PCH_ENABLE "Global PCH switch" TRUE)
 ENDIF()
-
-# Enable expensive optimisations: use this for a binary release build
-OPTION(ORXONOX_RELEASE "Enable when building restributable releases" FALSE)
 
 # Use WinMain() or main()?