gh-114883: Fix Makefile dependency tree for non-jit builds (GH-114884)

Author: zware

Makefile.pre.in

@@ -2643,7 +2643,18 @@ config.status:	$(srcdir)/configure
 Python/asm_trampoline.o: $(srcdir)/Python/asm_trampoline.S
 	$(CC) -c $(PY_CORE_CFLAGS) -o $@ $<
 
-Python/jit.o: regen-jit
+
+JIT_DEPS = \
+		$(srcdir)/Tools/jit/*.c \
+		$(srcdir)/Tools/jit/*.py \
+		$(srcdir)/Python/executor_cases.c.h \
+		pyconfig.h
+
+jit_stencils.h: $(JIT_DEPS)
+	@REGEN_JIT_COMMAND@
+
+Python/jit.o: $(srcdir)/Python/jit.c @JIT_STENCILS_H@
+	$(CC) -c $(PY_CORE_CFLAGS) -o $@ $<
 
 .PHONY: regen-jit
 regen-jit:

configure

@@ -1592,11 +1592,13 @@ AS_VAR_IF([enable_experimental_jit],
           [AS_VAR_APPEND([CFLAGS_NODIST], [" -D_Py_JIT"])
            AS_VAR_SET([REGEN_JIT_COMMAND],
                       ["\$(PYTHON_FOR_REGEN) \$(srcdir)/Tools/jit/build.py $host"])
+           AS_VAR_SET([JIT_STENCILS_H], ["jit_stencils.h"])
            AS_VAR_IF([Py_DEBUG],
                      [true],
                      [AS_VAR_APPEND([REGEN_JIT_COMMAND], [" --debug"])],
                      [])])
 AC_SUBST([REGEN_JIT_COMMAND])
+AC_SUBST([JIT_STENCILS_H])
 AC_MSG_RESULT([$enable_experimental_jit])
 
 # Enable optimization flags