From 8823c4be44de65c52055bc1fab62f6cbf9f9a89e Mon Sep 17 00:00:00 2001
From: Michael Martin <mcmartin@gmail.com>
Date: Sat, 4 Apr 2020 15:33:06 -0700
Subject: [PATCH] Fix MinGW build; check for whether we must explicitly link
 -lregex

---
 sc2/build/unix/build.config | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/sc2/build/unix/build.config b/sc2/build/unix/build.config
index d3ccaa570..a5e145703 100644
--- a/sc2/build/unix/build.config
+++ b/sc2/build/unix/build.config
@@ -71,6 +71,14 @@ uqm_requirements()
 	define_have_symbol getopt_long
 	define_have_header regex.h
 
+	# If we have the regex header, see if we need to link it specially
+	if have_header regex.h; then
+		define_have_symbol regcomp
+		if not have_symbol regcomp; then
+			LDFLAGS="$LDFLAGS -lregex"
+		fi
+	fi
+
 	# Add define for HAVE__BOOL
 	define_have_type _Bool