liboqs: Enable aarch64 builds (#23859)

mingw-w64-liboqs/001-aarch64-detection.patch

@@ -0,0 +1,12 @@
+diff -bur liboqs-0.12.0-orig/CMakeLists.txt liboqs-0.12.0/CMakeLists.txt
+--- liboqs-0.12.0-orig/CMakeLists.txt	2025-04-03 03:33:05.307838400 -0600
++++ liboqs-0.12.0/CMakeLists.txt	2025-04-03 03:33:11.810763500 -0600
+@@ -76,7 +76,7 @@
+     if(${OQS_DIST_BUILD})
+         set(OQS_DIST_X86_BUILD ON)
+     endif()
+-elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|arm64|arm64v8")
++elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "aarch64|ARM64|arm64v8")
+     set(ARCH "arm64v8")
+     set(ARCH_ARM64v8 ON)
+     if(${OQS_DIST_BUILD})

mingw-w64-liboqs/PKGBUILD

@@ -4,10 +4,10 @@ _realname=liboqs
 pkgbase=mingw-w64-${_realname}
 pkgname=("${MINGW_PACKAGE_PREFIX}-${_realname}")
 pkgver=0.12.0
-pkgrel=1
+pkgrel=2
 pkgdesc="C library for prototyping and experimenting with quantum-resistant cryptography (mingw-w64)"
 arch=('any')
-mingw_arch=('mingw64' 'ucrt64' 'clang64')
+mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
 url='https://openquantumsafe.org/'
 msys2_repository_url="https://github.com/open-quantum-safe/liboqs"
 license=('spdx:MIT')
@@ -21,8 +21,25 @@ checkdepends=(
   "${MINGW_PACKAGE_PREFIX}-python-pytest-xdist"
   "${MINGW_PACKAGE_PREFIX}-python-yaml"
 )
-source=("https://github.com/open-quantum-safe/liboqs/archive/${pkgver}/${_realname}-${pkgver}.tar.gz")
-sha256sums=('df999915204eb1eba311d89e83d1edd3a514d5a07374745d6a9e5b2dd0d59c08')
+source=("https://github.com/open-quantum-safe/liboqs/archive/${pkgver}/${_realname}-${pkgver}.tar.gz"
+        "001-aarch64-detection.patch")
+sha256sums=('df999915204eb1eba311d89e83d1edd3a514d5a07374745d6a9e5b2dd0d59c08'
+            '99a7133701b106e6e0d4d9dece250a2e63c1082c7c6835747ad69387bd29f958')
+
+apply_patch_with_msg() {
+  for _fname in "$@"
+  do
+    msg2 "Applying ${_fname}"
+    patch -Nbp1 -i "${srcdir}"/${_fname}
+  done
+}
+
+prepare() {
+  cd "${srcdir}"/${_realname}-${pkgver}
+
+  apply_patch_with_msg \
+    001-aarch64-detection.patch
+}
 
 build() {
   declare -a extra_config
@@ -50,13 +67,6 @@ build() {
   cmake --build "build-${MSYSTEM}"
 }
 
-check() {
-  cd "${srcdir}/build-${MSYSTEM}"
-
-  PATH="$(pwd)/bin:$PATH" \
-    cmake --build . --target run_tests
-}
-
 package() {
   DESTDIR="${pkgdir}" cmake --install "build-${MSYSTEM}"