1 files changed, 16 insertions, 7 deletions

diff --git a/src/Makefile b/src/Makefile
index cc520fc8..3a6a4329 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -12,7 +12,6 @@
 
 MAJVER=  2
 MINVER=  1
-RELVER=  0
 ABIVER=  5.1
 NODOTABIVER= 51
 
@@ -323,13 +322,13 @@ ifeq (Darwin,$(TARGET_SYS))
   TARGET_XCFLAGS+= -DLUAJIT_UNWIND_EXTERNAL
   TARGET_XSHLDFLAGS= -dynamiclib -single_module -undefined dynamic_lookup -fPIC
   TARGET_DYNXLDOPTS=
-  TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).$(RELVER)
+  TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).255
 else
 ifeq (iOS,$(TARGET_SYS))
   TARGET_STRIP+= -x
   TARGET_XSHLDFLAGS= -dynamiclib -single_module -undefined dynamic_lookup -fPIC
   TARGET_DYNXLDOPTS=
-  TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).$(RELVER)
+  TARGET_XSHLDFLAGS+= -install_name $(TARGET_DYLIBPATH) -compatibility_version $(MAJVER).$(MINVER) -current_version $(MAJVER).$(MINVER).255
   ifeq (arm64,$(TARGET_LJARCH))
     TARGET_XCFLAGS+= -fno-omit-frame-pointer
   endif
@@ -388,10 +387,11 @@ MINILUA_O= host/minilua.o
 MINILUA_LIBS= -lm
 MINILUA_T= host/minilua
 MINILUA_X= $(MINILUA_T)
+MINILUA_DEP=
 
 ifeq (,$(HOST_LUA))
   HOST_LUA= $(MINILUA_X)
-  DASM_DEP= $(MINILUA_T)
+  MINILUA_DEP= $(MINILUA_T)
 endif
 
 DASM_DIR= ../dynasm
@@ -474,6 +474,10 @@ endif
 DASM_FLAGS= $(DASM_XFLAGS) $(DASM_AFLAGS)
 DASM_DASC= vm_$(DASM_ARCH).dasc
 
+GIT= git
+GIT_RELVER= [ -d ../.git ] && $(GIT) show -s --format=%ct >luajit_relver.txt 2>/dev/null || cat ../.relver >luajit_relver.txt 2>/dev/null || :
+GIT_DEP= $(wildcard ../.git/HEAD ../.git/refs/heads/*)
+
 BUILDVM_O= host/buildvm.o host/buildvm_asm.o host/buildvm_peobj.o \
            host/buildvm_lib.o host/buildvm_fold.o
 BUILDVM_T= host/buildvm
@@ -520,8 +524,8 @@ LUAJIT_T= luajit
 
 ALL_T= $(LUAJIT_T) $(LUAJIT_A) $(LUAJIT_SO) $(HOST_T)
 ALL_HDRGEN= lj_bcdef.h lj_ffdef.h lj_libdef.h lj_recdef.h lj_folddef.h \
-            host/buildvm_arch.h
-ALL_GEN= $(LJVM_S) $(ALL_HDRGEN) $(LIB_VMDEFP)
+            host/buildvm_arch.h luajit.h
+ALL_GEN= $(LJVM_S) $(ALL_HDRGEN) luajit_relver.txt $(LIB_VMDEFP)
 WIN_RM= *.obj *.lib *.exp *.dll *.exe *.manifest *.pdb *.ilk
 ALL_RM= $(ALL_T) $(ALL_GEN) *.o host/*.o $(WIN_RM)
 
@@ -645,7 +649,12 @@ $(MINILUA_T): $(MINILUA_O)
         $(E) "HOSTLINK  $@"
         $(Q)$(HOST_CC) $(HOST_ALDFLAGS) -o $@ $(MINILUA_O) $(MINILUA_LIBS) $(HOST_ALIBS)
 
-host/buildvm_arch.h: $(DASM_DASC) $(DASM_DEP) $(DASM_DIR)/*.lua lj_arch.h lua.h luaconf.h
+luajit.h: $(MINILUA_DEP) $(GIT_DEP) luajit_rolling.h
+        $(E) "VERSION   $@"
+        $(Q)$(GIT_RELVER)
+        $(Q)$(HOST_LUA) host/genversion.lua
+
+host/buildvm_arch.h: $(DASM_DASC) $(MINILUA_DEP) lj_arch.h lua.h luaconf.h
         $(E) "DYNASM    $@"
         $(Q)$(DASM) $(DASM_FLAGS) -o $@ $(DASM_DASC)