Use LLVM 21 for the CPython JIT compiler (#82)

vstinner · web-flow · commit 77d756901c00 · 2026-06-22T12:38:33.000-07:00
diff --git a/devcontainer/install-builddeps.sh b/devcontainer/install-builddeps.sh
@@ -31,8 +31,8 @@ DEPS=(
     # Necessary for getting Python build dependencies
     'dnf5-command(builddep)'
 
-    # LLVM sanitizer runtimes
-    compiler-rt
+    # LLVM sanitizer runtimes. CPython JIT compiler requires LLVM 21.
+    compiler-rt21
 )
 
 dnf -y --nodocs --setopt=install_weak_deps=False install ${DEPS[@]}

Original file line number	Diff line number	Diff line change
`@@ -31,8 +31,8 @@ DEPS=(`
`31`	`31`	`# Necessary for getting Python build dependencies`
`32`	`32`	`'dnf5-command(builddep)'`
`33`	`33`
`34`		`- # LLVM sanitizer runtimes`
`35`		`- compiler-rt`
	`34`	`+ # LLVM sanitizer runtimes. CPython JIT compiler requires LLVM 21.`
	`35`	`+ compiler-rt21`
`36`	`36`	`)`
`37`	`37`
`38`	`38`	`dnf -y --nodocs --setopt=install_weak_deps=False install ${DEPS[@]}`