Also zsyncmake

ci/build-in-docker.sh

@@ -79,6 +79,7 @@ git config --global --add safe.directory '*'
 
 bash -euxo pipefail /source/ci/install-static-desktop-file-validate.sh
 bash -euxo pipefail /source/ci/install-static-mksquashfs.sh 4.6.1
+bash -euxo pipefail /source/ci/install-static-zsyncmake.sh 4.5.1
 
 bash -euxo pipefail /source/ci/build.sh
 

ci/build.sh

@@ -38,6 +38,7 @@ find AppDir
 
 cp "$(which desktop-file-validate)" AppDir/usr/bin
 cp "$(which mksquashfs)" AppDir/usr/bin
+cp "$(which zsyncmake)" AppDir/usr/bin
 
 cp "$repo_root"/resources/AppRun.sh AppDir/AppRun
 chmod +x AppDir/AppRun

ci/install-static-zsyncmake.sh

@@ -0,0 +1,38 @@
+#! /bin/bash
+
+set -euxo pipefail
+
+if [[ "${1:-}" == "" ]]; then
+    echo "Usage: $0 <version>"
+    exit 2
+fi
+
+version="$1"
+
+build_dir="$(mktemp -d -t zsyncmake-build-XXXXXX)"
+
+cleanup () {
+    if [ -d "$build_dir" ]; then
+        rm -rf "$build_dir"
+    fi
+}
+trap cleanup EXIT
+
+pushd "$build_dir"
+
+wget http://zsync.moria.org.uk/download/zsync-"$version".tar.bz2 -q
+tar xf zsync-*.tar.bz2
+
+cd zsync-*/
+
+find . -type f -exec sed -i -e 's|off_t|size_t|g' {} \;
+
+./configure CFLAGS=-no-pie LDFLAGS=-static --prefix=/usr --build=$(arch)-unknown-linux-gnu
+
+if [[ "${GITHUB_ACTIONS:-}" != "" ]]; then
+    jobs="$(nproc)"
+else
+    jobs="$(nproc --ignore=1)"
+fi
+
+make -j"$jobs" install