gh-140454: Normalize the JIT stencils filename on Linux to avoid mismatches between the Makefile and the generator (#140823)

hroncok · web-flow · commit d5b00c74b30a · 2025-11-04T14:29:15.000-08:00
diff --git a/Misc/NEWS.d/next/Build/2025-10-31-13-20-16.gh-issue-140454.gF6dCe.rst b/Misc/NEWS.d/next/Build/2025-10-31-13-20-16.gh-issue-140454.gF6dCe.rst
@@ -0,0 +1,3 @@
+When building the JIT, match the jit_stencils filename expectations in
+Makefile with the generator script. This avoid needless JIT recompilation
+during ``make install``.
diff --git a/configure b/configure
diff --git a/configure.ac b/configure.ac
@@ -8219,10 +8219,10 @@ AS_VAR_IF([enable_experimental_jit], [no],
       JIT_STENCILS_H="jit_stencils-x86_64-pc-windows-msvc.h"
       ;;
     aarch64-*-linux-gnu)
-      JIT_STENCILS_H="jit_stencils-$host.h"
+      JIT_STENCILS_H="jit_stencils-aarch64-unknown-linux-gnu.h"
       ;;
     x86_64-*-linux-gnu)
-      JIT_STENCILS_H="jit_stencils-$host.h"
+      JIT_STENCILS_H="jit_stencils-x86_64-unknown-linux-gnu.h"
       ;;
   esac])
 

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+When building the JIT, match the jit_stencils filename expectations in`
	`2`	`+Makefile with the generator script. This avoid needless JIT recompilation`
	`3`	+during ``make install``.