--- Config.kmk.orig	2012-12-20 14:44:38.260858319 +0100
+++ Config.kmk	2012-12-20 14:55:59.491850177 +0100
@@ -3239,7 +3239,7 @@
 	$(VBOX_GCC_WARN) -Wpointer-arith -Winline $(VBOX_GCC_Wno-pointer-sign) $(VBOX_GCC_fdiagnostics-show-option) \
 	-Wstrict-prototypes -Wmissing-prototypes -Wstrict-prototypes \
 	-Wimplicit-function-declaration -Werror-implicit-function-declaration \
-	-O2 -fformat-extensions -ffreestanding -fno-strict-aliasing -fno-common -finline-limit=8000 \
+	-O2 -ffreestanding -fno-strict-aliasing -fno-common -finline-limit=8000 \
 	$(VBOX_GCC_fno-stack-protector) $(VBOX_GCC_R0_OPT) $(VBOX_GCC_R0_FP) \
 	-nostdinc -std=c99
 TEMPLATE_VBOXR0DRV_CFLAGS.x86          = -m32 -mno-align-long-strings -mpreferred-stack-boundary=2 -mno-mmx -mno-3dnow -mno-sse -mno-sse2
@@ -3248,7 +3248,7 @@
 	-mno-3dnow -msoft-float -fno-asynchronous-unwind-tables -Wundef
 TEMPLATE_VBOXR0DRV_CXXFLAGS            = -fno-exceptions -fno-rtti \
 	$(VBOX_GCC_WARN) -Wpointer-arith -Winline \
-	-O2 -fno-format-extensions -fno-strict-aliasing -fno-common -finline-limit=8000 \
+	-O2 -fno-strict-aliasing -fno-common -finline-limit=8000 \
 	$(VBOX_GCC_fno-stack-protector) $(VBOX_GCC_R0_OPT) $(VBOX_GCC_R0_FP) \
 	-nostdinc
 TEMPLATE_VBOXR0DRV_CXXFLAGS.x86        = $(TEMPLATE_VBOXR0DRV_CFLAGS.x86)
@@ -3465,8 +3465,6 @@
 	/usr/X11R6/include \
 	/usr/local/include
 TEMPLATE_VBOXR3EXE_LIBPATH            += \
-	/usr/lib \
-	/usr/X11R6/lib \
 	/usr/local/lib
  else ifeq ($(KBUILD_TARGET),solaris)
 TEMPLATE_VBOXR3EXE_TOOL                = GXX3PLAIN
@@ -3955,8 +3953,6 @@
 	/usr/X11R6/include \
 	/usr/local/include
 TEMPLATE_VBOXMAINEXE_LIBPATH            += \
-	/usr/lib \
-	/usr/X11R6/lib \
 	/usr/local/lib
 else ifeq ($(KBUILD_TARGET),solaris)
 TEMPLATE_VBOXMAINEXE_TOOL                = GXX3PLAIN
@@ -4371,8 +4367,6 @@
 	/usr/X11R6/include \
 	/usr/local/include
     TEMPLATE_VBOXQT4GUIEXE_LIBPATH += \
-	/usr/lib \
-	/usr/X11R6/lib \
 	/usr/local/lib
    endif
    ifeq ($(KBUILD_TARGET),solaris)
@@ -4555,8 +4549,6 @@
 	/usr/X11R6/include \
 	/usr/local/include
 TEMPLATE_VBOXBLDPROG_LIBPATH            += \
-	/usr/lib \
-	/usr/X11R6/lib \
 	/usr/local/lib
  else ifeq ($(KBUILD_HOST),solaris)
 TEMPLATE_VBOXBLDPROG_TOOL                = GXX3PLAIN