From 784f4d7737a0dedcd5d6fb7ea2092717a550a3a4 Mon Sep 17 00:00:00 2001
From: Carl Kittelberger <icedream@icedream.pw>
Date: Thu, 13 Apr 2017 16:38:17 +0200
Subject: [PATCH] Fix static build.

See https://github.com/google/guetzli/issues/146#issuecomment-290022456 for where this fix is coming from. It's a bit of a hack but it will do for now.
---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index b6491d0..0d471e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,6 +22,7 @@ RUN \
 		git checkout "${GUETZLI_VERSION}" &&\
 		make -j$(nproc) config=release \
 			TARGETDIR=/usr/local/bin \
+			LDFLAGS="-static -lpng -lz -lm" \
 	) &&\
 \
 	apk del --no-cache .build-deps &&\