From f648df4e5588f069b2db96f8be320ead0c1967ef Mon Sep 17 00:00:00 2001
From: Andrew Wildman <apw4@uw.edu>
Date: Tue, 6 Jul 2021 16:35:12 -0700
Subject: [PATCH] Add symlink to blis.pc.in for out-of-tree builds

---
 configure | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/configure b/configure
index a3f98ba9a..150bd6a85 100755
--- a/configure
+++ b/configure
@@ -3629,6 +3629,23 @@ main()
 			exit 1
 		fi
 
+		# If 'blis.pc.in' symlink does not already exist in the current
+		# directory, create a symbolic link to it. If one does exist, we
+		# use -f to force creation of a new link.
+		if [ ! -e "./blis.pc.in" ]; then
+
+			echo "${script_name}: creating symbolic link to blis.pc.in."
+			ln -s "${dist_path}/blis.pc.in"
+
+		elif [ -h "./blis.pc.in" ]; then
+			echo "${script_name}: symbolic link to blis.pc.in already exists; forcing creation of new link."
+			ln -sf "${dist_path}/blis.pc.in"
+		else
+			echo "${script_name}: Non-symbolic link file or directory 'blis.pc.in' blocks creation of symlink."
+			echo "${script_name}: *** Please remove this entity and re-run configure."
+			exit 1
+		fi
+
 		# If 'common.mk' symlink does not already exist in the current
 		# directory, create a symbolic link to it. If one does exist, we
 		# use -f to force creation of a new link.