Fix match for linux platforms

Author: savannahostrowski

Makefile.pre.in

@@ -3129,35 +3129,30 @@ config.status:	$(srcdir)/configure
 Python/asm_trampoline.o: $(srcdir)/Python/asm_trampoline.S
 	$(CC) -c $(PY_CORE_CFLAGS) -o $@ $<
 
-
-JIT_DEPS = \
-		$(srcdir)/Tools/jit/*.c \
-		$(srcdir)/Tools/jit/*.py \
-		$(srcdir)/Python/executor_cases.c.h \
-		pyconfig.h
+# Determine correct JIT stencil header based on host triple
+ifeq (,$(JIT_STENCIL_HEADER))
+  ifneq ($(filter aarch64-apple-darwin%,$(HOST_GNU_TYPE)),)
+    JIT_STENCIL_HEADER := jit_stencils-aarch64-apple-darwin.h
+  else ifneq ($(filter x86_64-apple-darwin%,$(HOST_GNU_TYPE)),)
+    JIT_STENCIL_HEADER := jit_stencils-x86_64-apple-darwin.h
+  else ifeq ($(HOST_GNU_TYPE), aarch64-pc-windows-msvc)
+    JIT_STENCIL_HEADER := jit_stencils-aarch64-pc-windows-msvc.h
+  else ifeq ($(HOST_GNU_TYPE), i686-pc-windows-msvc)
+    JIT_STENCIL_HEADER := jit_stencils-i686-pc-windows-msvc.h
+  else ifeq ($(HOST_GNU_TYPE), x86_64-pc-windows-msvc)
+    JIT_STENCIL_HEADER := jit_stencils-x86_64-pc-windows-msvc.h
+  else ifneq ($(filter aarch64-%-linux-gnu,$(HOST_GNU_TYPE)),)
+    JIT_STENCIL_HEADER := jit_stencils-$(HOST_GNU_TYPE).h
+  else ifneq ($(filter x86_64-%-linux-gnu,$(HOST_GNU_TYPE)),)
+    JIT_STENCIL_HEADER := jit_stencils-$(HOST_GNU_TYPE).h
+  else
+    $(error "Unsupported host triple: $(HOST_GNU_TYPE).")
+  endif
+endif
 
 jit_stencils.h $(JIT_STENCIL_HEADER): $(JIT_DEPS)
 	@REGEN_JIT_COMMAND@
 
-# Match Darwin hosts with version suffixes
-ifneq ($(filter aarch64-apple-darwin%,$(HOST_GNU_TYPE)),)
-JIT_STENCIL_HEADER = jit_stencils-aarch64-apple-darwin.h
-else ifneq ($(filter x86_64-apple-darwin%,$(HOST_GNU_TYPE)),)
-JIT_STENCIL_HEADER = jit_stencils-x86_64-apple-darwin.h
-else ifeq ($(HOST_GNU_TYPE), aarch64-pc-windows-msvc)
-JIT_STENCIL_HEADER = jit_stencils-aarch64-pc-windows-msvc.h
-else ifeq ($(HOST_GNU_TYPE), i686-pc-windows-msvc)
-JIT_STENCIL_HEADER = jit_stencils-i686-pc-windows-msvc.h
-else ifeq ($(HOST_GNU_TYPE), x86_64-pc-windows-msvc)
-JIT_STENCIL_HEADER = jit_stencils-x86_64-pc-windows-msvc.h
-else ifneq ($(filter aarch64-%-linux-gnu,$(HOST_GNU_TYPE)),)
-JIT_STENCIL_HEADER = jit_stencils-aarch64-unknown-linux-gnu.h
-else ifneq ($(filter x86_64-%-linux-gnu,$(HOST_GNU_TYPE)),)
-JIT_STENCIL_HEADER = jit_stencils-x86_64-unknown-linux-gnu.h
-else
-$(error "Unsupported host triple: $(HOST_GNU_TYPE). Please update the Makefile to support this host triple.")
-endif
-
 Python/jit.o: $(srcdir)/Python/jit.c jit_stencils.h $(JIT_STENCIL_HEADER)
 	$(CC) -c $(PY_CORE_CFLAGS) -o $@ $<