--- /dev/null
+# Windows OneCore targets.
+#
+# OneCore is new API stability "contract" that transends Desktop, IoT and
+# Mobile[?] Windows editions. It's a set up "umbrella" libraries that
+# export subset of Win32 API that are common to all Windows 10 devices.
+#
+# TODO: drop onecore_downlevel.lib.
+
+my %targets = (
+ "VC-WIN32-ONECORE" => {
+ inherit_from => [ "VC-WIN32" ],
+ # /NODEFAULTLIB:kernel32.lib is needed, because MSVCRT.LIB has
+ # hidden reference to kernel32.lib, but we don't actually want
+ # it in "onecore" build.
+ lflags => add("/NODEFAULTLIB:kernel32.lib"),
+ ex_libs => "onecore.lib onecore_downlevel.lib",
+ },
+ "VC-WIN64A-ONECORE" => {
+ inherit_from => [ "VC-WIN64A" ],
+ lflags => add("/NODEFAULTLIB:kernel32.lib"),
+ ex_libs => "onecore.lib onecore_downlevel.lib",
+ },
+
+ # Windows on ARM targets. ARM compilers are additional components in
+ # VS2017, i.e. they are not installed by default. And when installed,
+ # there are no "ARM Tool Command Prompt"s on Start menu, you have
+ # to locate vcvarsall.bat and act accordingly. VC-WIN32-ARM has
+ # received limited testing with evp_test.exe on Windows 10 IoT Core,
+ # but not VC-WIN64-ARM, no hardware... In other words they are not
+ # actually supported...
+ #
+ # Another thing to keep in mind [in cross-compilation scenario such
+ # as this one] is that target's file system has nothing to do with
+ # compilation system's one. This means that you're are likely to use
+ # --prefix and --openssldir with target-specific values. 'nmake install'
+ # step is effectively meaningless in cross-compilation case, though
+ # it might be useful to 'nmake install DESTDIR=S:\ome\where' where you
+ # can point Visual Studio to when compiling custom application code.
+
+ "VC-WIN32-ARM" => {
+ inherit_from => [ "VC-noCE-common" ],
+ defines => add("_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE"),
+ bn_ops => "BN_LLONG RC4_CHAR EXPORT_VAR_AS_FN",
+ lflags => add("/NODEFAULTLIB:kernel32.lib"),
+ ex_libs => "onecore.lib onecore_downlevel.lib",
+ multilib => "-arm",
+ },
+ "VC-WIN64-ARM" => {
+ inherit_from => [ "VC-noCE-common" ],
+ defines => add("_ARM_WINAPI_PARTITION_DESKTOP_SDK_AVAILABLE"),
+ bn_ops => "SIXTY_FOUR_BIT RC4_CHAR EXPORT_VAR_AS_FN",
+ lflags => add("/NODEFAULTLIB:kernel32.lib"),
+ ex_libs => "onecore.lib onecore_downlevel.lib",
+ multilib => "-arm64",
+ },
+);