From 652f125e223b757637d5db0ce1d2f86660fde5a4 Mon Sep 17 00:00:00 2001
From: Ronsor <ronsor@ronsor.pw>
Date: Tue, 3 Jan 2023 13:06:14 -0700
Subject: [PATCH] Add script for building `majokko` binaries for multiple
 platforms.

---
 .gitignore     |  5 +++++
 build_cross.sh | 18 ++++++++++++++++++
 2 files changed, 23 insertions(+)
 create mode 100644 build_cross.sh

diff --git a/.gitignore b/.gitignore
index 4bb88ef..b719627 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,9 @@
+dist/
 majokko
 test.png
 test.zng
 test.jpg
+test.ppm
+test.bmp
+test.tif
+test.tga
diff --git a/build_cross.sh b/build_cross.sh
new file mode 100644
index 0000000..02cec39
--- /dev/null
+++ b/build_cross.sh
@@ -0,0 +1,18 @@
+#!/bin/sh
+GO="${GO:-go}"
+LDFLAGS="${LDFLAGS:--w -s}"
+
+echo "Using:"
+echo "GO='$GO'"
+echo "LDFLAGS='$LDFLAGS'"
+echo ""
+
+mkdir -p dist/
+for cpu in amd64 386 arm arm64; do
+  for os in windows linux darwin; do
+    DISTFILE="dist/majokko-${os}-${cpu}"
+    CMD="GOOS='${os}' GOARCH='${cpu}' ${GO} build -o '$DISTFILE' -ldflags '$LDFLAGS' -trimpath ."
+    echo "= $CMD"
+    eval "$CMD" && echo "+ $(du -hs "$DISTFILE")" || echo "- Error: ${os} on ${cpu}"
+  done
+done