2 files changed, 29 insertions, 0 deletions
diff --git a/ports/openssl-windows/EnableWinARM32.patch b/ports/openssl-windows/EnableWinARM32.patch
new file mode 100644
index 000000000..f1eedcb71
--- /dev/null
+++ b/ports/openssl-windows/EnableWinARM32.patch
@@ -0,0 +1,21 @@
+diff --git a/util/pl/VC-32.pl b/util/pl/VC-32.pl
+index dba96cba5e..7fd99959f1 100644
+--- a/util/pl/VC-32.pl
++++ b/util/pl/VC-32.pl
+@@ -261,6 +261,8 @@ if ($shlib && $FLAVOR !~ /CE/)
+        {
+        $mlflags.=" $lflags /dll";
+        $lib_cflag.=" -D_WINDLL";
++       if ($base_cflags !~ /-D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE/)
++       {
+        #
+        # Engage Applink...
+        #
+@@ -286,6 +288,7 @@ ___
+ CRYPTOOBJ=ms\uptable.obj $(CRYPTOOBJ)
+ ___
+        }
++       }
+ elsif ($shlib && $FLAVOR =~ /CE/)
+        {
+        $mlflags.=" $lflags /dll";
diff --git a/ports/openssl-windows/portfile.cmake b/ports/openssl-windows/portfile.cmake
index d58d51431..f9a8bcbbf 100644
--- a/ports/openssl-windows/portfile.cmake
+++ b/ports/openssl-windows/portfile.cmake
@@ -22,6 +22,7 @@ vcpkg_apply_patches(
     SOURCE_PATH ${MASTER_COPY_SOURCE_PATH}
     PATCHES ${CMAKE_CURRENT_LIST_DIR}/ConfigureIncludeQuotesFix.patch
             ${CMAKE_CURRENT_LIST_DIR}/STRINGIFYPatch.patch
+            ${CMAKE_CURRENT_LIST_DIR}/EnableWinARM32.patch
             ${CMAKE_CURRENT_LIST_DIR}/EmbedSymbolsInStaticLibsZ7.patch
 )
 
@@ -44,6 +45,13 @@ if(VCPKG_TARGET_ARCHITECTURE STREQUAL "x86")
 elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "x64")
     set(OPENSSL_ARCH VC-WIN64A)
     set(OPENSSL_DO "ms\\do_win64a.bat")
+elseif(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm")
+    set(OPENSSL_ARCH VC-WIN32)
+    set(OPENSSL_DO "ms\\do_ms.bat")
+    set(CONFIGURE_COMMAND ${CONFIGURE_COMMAND}
+        no-asm
+        -D_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE
+    )
 else()
     message(FATAL_ERROR "Unsupported target architecture: ${VCPKG_TARGET_ARCHITECTURE}")
 endif()