[dgorbachev] 61266: [CMAKE] Use -ffat-lto-objects option for LTCG builds. GCC 4.9 now defaults to slim LTO, which (owing to linker bug #13557) fails with undefined reference errors. [LWIP] Compile ...

Author: dgorbachev
Date: Fri Dec 13 17:50:57 2013
New Revision: 61266

URL: http://svn.reactos.org/svn/reactos?rev=61266&view=rev
Log:
[CMAKE]
Use -ffat-lto-objects option for LTCG builds. GCC 4.9 now defaults 
to slim LTO, which (owing to linker bug #13557) fails with undefined 
reference errors.
[LWIP]
Compile with -fno-builtin-malloc -fno-builtin-free. GCC bug #56578.

Modified:
    trunk/reactos/cmake/gcc.cmake
    trunk/reactos/lib/drivers/lwip/CMakeLists.txt

Modified: trunk/reactos/cmake/gcc.cmake
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/cmake/gcc.cmake?rev=61266&…
==============================================================================
--- trunk/reactos/cmake/gcc.cmake	[iso-8859-1] (original)
+++ trunk/reactos/cmake/gcc.cmake	[iso-8859-1] Fri Dec 13 17:50:57 2013
@@ -92,7 +92,7 @@
 
 # Link-time code generation
 if(LTCG)
-    add_compile_flags("-flto -Wno-error=clobbered")
+    add_compile_flags("-flto -ffat-lto-objects")
 endif()
 
 if(ARCH STREQUAL "i386")

Modified: trunk/reactos/lib/drivers/lwip/CMakeLists.txt
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/lib/drivers/lwip/CMakeList…
==============================================================================
--- trunk/reactos/lib/drivers/lwip/CMakeLists.txt	[iso-8859-1] (original)
+++ trunk/reactos/lib/drivers/lwip/CMakeLists.txt	[iso-8859-1] Fri Dec 13 17:50:57 2013
@@ -60,4 +60,7 @@
 add_dependencies(lwip bugcodes)
 if(NOT MSVC)
     allow_warnings(lwip)
+    if(LTCG)
+        add_compile_flags("-fno-builtin-malloc -fno-builtin-free")
+    endif()
 endif()