From 19fb6ff4779ff8c116ee5102b2e28a08c3f8b5d1 Mon Sep 17 00:00:00 2001
From: Tomas Kalibera <tomas.kalibera@gmail.com>
Date: Tue, 10 Oct 2023 19:01:09 +0200
Subject: [PATCH] Use pkg-config on Windows when available. Also fix linking
 for previous Rtools43.

---
 src/Makevars.ucrt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Makevars.ucrt b/src/Makevars.ucrt
index 8b92273..f61647a 100644
--- a/src/Makevars.ucrt
+++ b/src/Makevars.ucrt
@@ -1,4 +1,9 @@
-PKG_LIBS = -ltiff -ljpeg -lz -lzstd -lwebp -llzma 
+ifeq (,$(shell pkg-config --version 2>/dev/null))
+   LIBSHARPYUV = $(or $(and $(wildcard $(R_TOOLS_SOFT)/lib/libsharpyuv.a),-lsharpyuv),)
+   PKG_LIBS = -ltiff -ljpeg -lz -lzstd -lwebp $(LIBSHARPYUV) -llzma
+else
+   PKG_LIBS = $(shell pkg-config --libs libtiff-4)
+endif
 
 all: clean