From: Andrew Dunstan <andrew@dunslane.net>
Date: Fri, 25 Nov 2022 20:28:38 +0000 (-0500)
Subject: Allow building with MSVC and Strawberry perl
X-Git-Tag: REL_12_14~48
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=171c7fffaa4a3f2b000f980ecb33c2f7441a9a03;p=thirdparty%2Fpostgresql.git

Allow building with MSVC and Strawberry perl

Strawberry uses __builtin_expect which Visual C doesn't have. For this
case define it as a noop. Solution taken from vim sources.

Backpatch to all live branches
---

diff --git a/src/pl/plperl/plperl.h b/src/pl/plperl/plperl.h
index ab24d6580c8..8619ff91f53 100644
--- a/src/pl/plperl/plperl.h
+++ b/src/pl/plperl/plperl.h
@@ -54,6 +54,8 @@
 #ifdef isnan
 #undef isnan
 #endif
+/* Work around for using MSVC and Strawberry Perl >= 5.30. */
+#define __builtin_expect(expr, val) (expr)
 #endif
 
 /*