Thanks to Victor Bombi. #1071
DASM_DASC= vm_$(DASM_ARCH).dasc
GIT= git
-GIT_RELVER= [ -e ../.git ] && $(GIT) show -s --format=%ct >luajit_relver.txt 2>/dev/null || cat ../.relver >luajit_relver.txt 2>/dev/null || :
+ifeq (Windows,$(HOST_SYS)$(HOST_MSYS))
+ GIT_RELVER= if exist ..\.git ( $(GIT) show -s --format=%%ct >luajit_relver.txt ) else ( type ..\.relver >luajit_relver.txt )
+else
+ GIT_RELVER= [ -e ../.git ] && $(GIT) show -s --format=%ct >luajit_relver.txt 2>/dev/null || cat ../.relver >luajit_relver.txt 2>/dev/null || :
+endif
GIT_DEP= $(wildcard ../.git/HEAD ../.git/refs/heads/*)
BUILDVM_O= host/buildvm.o host/buildvm_asm.o host/buildvm_peobj.o \