From 99c46ffe2d4779e081c211206efb5a9ad998c2d8 Mon Sep 17 00:00:00 2001
From: Tianon Gravi <admwiggin@gmail.com>
Date: Fri, 10 Jul 2026 10:53:18 -0700
Subject: [PATCH] Ditch architectures that are failing to build 3.15+ on Alpine

---
 generate-stackbrew-library.sh | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/generate-stackbrew-library.sh b/generate-stackbrew-library.sh
index dd54dfedf..a49825d06 100755
--- a/generate-stackbrew-library.sh
+++ b/generate-stackbrew-library.sh
@@ -136,6 +136,23 @@ for version; do
 				;;
 		esac
 
+		if [[ "$variant" == alpine* ]]; then
+			# https://github.com/python/cpython/issues/143632
+			# /usr/include/sys/prctl.h:88:8: error: redefinition of 'struct prctl_mm_map'
+			case "$version" in
+				3.10 | 3.11 | 3.12 | 3.13 | 3.14) ;;
+				*)
+					variantArches="$(
+						sed <<<" $variantArches " \
+							-e 's/ arm32v6 / /g' \
+							-e 's/ arm32v7 / /g' \
+							-e 's/ i386 / /g' \
+							-e 's/ ppc64le / /g' \
+					)"
+					;;
+			esac
+		fi
+
 		sharedTags=()
 		for windowsShared in windowsservercore nanoserver; do
 			if [[ "$variant" == "$windowsShared"* ]]; then