scripts: update scripts for Windows support (apple#57)

Add support for Windows for vending BoringSSL.  This is required in
order to build SwiftCrypto for Windows.

Co-authored-by: Cory Benfield <[email protected]>

Author: compnerd

scripts/build-asm.py

@@ -28,6 +28,10 @@
     ('linux', 'x86', 'elf', ['-fPIC', '-DOPENSSL_IA32_SSE2'], 'S'),
     ('linux', 'x86_64', 'elf', [], 'S'),
     ('mac', 'x86_64', 'macosx', [], 'S'),
+    # ('windows', 'aarch64', 'coff', [], 'S'),
+    # ('windows', 'arm', 'coff', [], 'S'),
+    ('windows', 'x86', 'coff', [], 'S'),
+    # ('windows', 'x86_64', 'coff', [], 'S'),
 ]
 
 
@@ -167,6 +171,8 @@ def preprocessor_platform_for_os(osname):
         return '__APPLE__'
     elif osname == 'linux':
         return '__linux__'
+    elif osname == 'windows':
+        return '_WIN32'
 
 
 def asm_target(osname, arch, asm):

scripts/vendor-boringssl.sh

@@ -241,6 +241,10 @@ mangle_symbols
 echo "REMOVING assembly on 32-bit Apple platforms"
 gsed -i "/#define OPENSSL_HEADER_BASE_H/a#if defined(__APPLE__) && defined(__i386__)\n#define OPENSSL_NO_ASM\n#endif" "$DSTROOT/include/openssl/base.h"
 
+# Remove assembly on non-x86 Windows
+echo "REMOVING assembly on non-x86 Windows"
+gsed -i "/#define OPENSSL_HEADER_BASE_H/a#if defined(_WIN32) && !(defined(_M_IX86) || defined(__i386__))\n#define OPENSSL_NO_ASM\n#endif" "$DSTROOT/include/openssl/base.h"
+
 echo "RENAMING header files"
 (
     # We need to rearrange a coouple of things here, the end state will be: