From: Brad King <brad.king@kitware.com>
Date: Wed, 21 Oct 2015 16:00:41 +0000 (-0400)
Subject: Workaround missing byte swap symbol on VS 7.1 Debug builds
X-Git-Tag: v3.1.900a~49
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cecac1996cb9cafd5d37f444211fd490d0f8d61a;p=thirdparty%2Flibarchive.git

Workaround missing byte swap symbol on VS 7.1 Debug builds

The VS 7.1 MS C Debug runtime library does not export _byteswap_ushort.
---

diff --git a/libarchive/archive_read_support_format_lha.c b/libarchive/archive_read_support_format_lha.c
index f8e01af81..c359d83ef 100644
--- a/libarchive/archive_read_support_format_lha.c
+++ b/libarchive/archive_read_support_format_lha.c
@@ -1712,7 +1712,7 @@ lha_crc16(uint16_t crc, const void *pp, size_t len)
 	for (;len >= 8; len -= 8) {
 		/* This if statement expects compiler optimization will
 		 * remove the stament which will not be executed. */
-#ifdef _MSC_VER  /* Visual Studio */
+#if defined(_MSC_VER) && _MSC_VER >= 1400  /* Visual Studio */
 #  define bswap16(x) _byteswap_ushort(x)
 #elif (defined(__GNUC__) && __GNUC__ >= 4 && __GNUC_MINOR__ >= 8) \
       || defined(__clang__)