lk-pc-x86_64.patch

diff --git a/arch/x86/toolchain.mk b/arch/x86/toolchain.mk
index dba751e..ac5c005 100644
--- a/arch/x86/toolchain.mk
+++ b/arch/x86/toolchain.mk
@@ -22,9 +22,10 @@ ARCH_x86_64_TOOLCHAIN_INCLUDED := 1
 
 ifndef ARCH_x86_64_TOOLCHAIN_PREFIX
 ARCH_x86_64_TOOLCHAIN_PREFIX := x86_64-elf-
-FOUNDTOOL=$(shell which $(ARCH_x86_64_TOOLCHAIN_PREFIX)gcc)
 endif
 
+FOUNDTOOL=$(shell which $(ARCH_x86_64_TOOLCHAIN_PREFIX)gcc)
+
 ifeq ($(FOUNDTOOL),)
 $(error cannot find toolchain, please set ARCH_x86_64_TOOLCHAIN_PREFIX or add it to your path)
 endif
diff --git a/engine.mk b/engine.mk
index cffbcdd..5d0f3b8 100644
--- a/engine.mk
+++ b/engine.mk
@@ -91,6 +91,7 @@ GENERATED := $(CONFIGHEADER)
 
 # anything added to GLOBAL_DEFINES will be put into $(BUILDDIR)/config.h
 GLOBAL_DEFINES := LK=1
+GLOBAL_DEFINES += HAVE_MREMAP=0
 
 # Anything added to GLOBAL_SRCDEPS will become a dependency of every source file in the system.
 # Useful for header files that may be included by one or more source files.