From 50e0fa03c48cb9af03c3efdc3100f12687651a2e Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Mon, 21 Aug 2023 03:06:26 +0200
Subject: Switch build system to rolling releases.

---
 src/Makefile | 23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

(limited to 'src/Makefile')

diff --git a/src/Makefile b/src/Makefile
index aac78beb..e6954a95 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -12,7 +12,6 @@
 
 MAJVER=  2
 MINVER=  0
-RELVER=  5
 ABIVER=  5.1
 NODOTABIVER= 51
 
@@ -308,7 +307,7 @@ ifeq (Darwin,$(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 (x64,$(TARGET_LJARCH))
     TARGET_XLDFLAGS+= -pagezero_size 10000 -image_base 100000000
     TARGET_XSHLDFLAGS+= -image_base 7fff04c4a000
@@ -318,7 +317,7 @@ ifeq (iOS,$(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
 else
   ifneq (SunOS,$(TARGET_SYS))
     ifneq (PS3,$(TARGET_SYS))
@@ -367,10 +366,11 @@ 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
@@ -445,6 +445,10 @@ 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
@@ -488,8 +492,8 @@ 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)
 
@@ -610,7 +614,12 @@ $(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) 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)
 
-- 
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