diff --git a/debian/changelog b/debian/changelog
index 5f778dff..5dc3db67 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -92,7 +92,7 @@ llvm-toolchain-snapshot (1:13~++20210129063721+010b176cdefb-1~exp1) experimental
 llvm-toolchain-12 (1:12.0.1-4) UNRELEASED; urgency=medium
 
   * Make libunwind-dev depends on libunwind
-  * Don't build libunwind on armel & mipsel
+  * Don't build libunwind on hurd, armel, powerpc & mipsel
 
  -- Sylvestre Ledru <sylvestre@debian.org>  Sun, 08 Aug 2021 10:58:54 +0200
 
diff --git a/debian/qualify-clang.sh b/debian/qualify-clang.sh
index cd511981..0edb2596 100755
--- a/debian/qualify-clang.sh
+++ b/debian/qualify-clang.sh
@@ -952,7 +952,8 @@ int main() {
   std::cout << "Hello World!" << std::endl;
 }
 EOF
-clang++-$VERSION -stdlib=libc++ -unwindlib=libunwind -rtlib=compiler-rt -static-libstdc++ -static-libgcc test.cpp &> /dev/null || true
+clang++-$VERSION -stdlib=libc++ -unwindlib=libunwind -rtlib=compiler-rt -static-libstdc++ -static-libgcc test.cpp  -lpthread -ldl -o test
+./test
 
 clang++-$VERSION -stdlib=libc++ -static-libstdc++ -fuse-ld=lld -l:libc++abi.a test.cpp -o test
 ./test
diff --git a/debian/rules b/debian/rules
index ae00c59f..760cb138 100755
--- a/debian/rules
+++ b/debian/rules
@@ -194,7 +194,7 @@ endif
 
 # Enable libunwind (or not)
 LIBUNWIND_ENABLE=yes
-ifneq (,$(filter $(DEB_HOST_ARCH), s390x armel mipsel))
+ifneq (,$(filter $(DEB_HOST_ARCH), s390x armel mipsel hurd-i386 powerpc))
   LIBUNWIND_ENABLE=no
 else
   PROJECTS+=;libunwind