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Autoupdates Unvanquished using Unvanquished's CDN

Initializing submodules

git submodule init && git submodule update

Build for Linux (without Docker)

Build aria2

Before building the updater itself you need to build aria2 library

cd aria2
autoreconf -i
./configure --without-libxml2 --without-libexpat --without-sqlite3 --enable-libaria2 --without-zlib --without-libcares --enable-static=yes ARIA2_STATIC=yes --without-libssh2 --disable-websocket --disable-nls --with-openssl
make -j4
cd ..

Build updater

Note: you need Qt 5.8 at least.

QT_SELECT=5 qmake -config release
make -j4

Build Linux version in docker

docker build -t updater2 .
docker run -v `pwd`/build-docker:/build-docker -u `id -u $USER` updater2

Search for updater2 (or updater2-nonstripped) in build-docker directory.

Build Windows version in docker

If the code is checked out on a Windows host, you must ensure that the line endings in the aria2 submodule are LF. The symptom of CRLF newlines is libtoolize: AC_CONFIG_MACRO_DIR([m4]) conflicts with ACLOCAL_AMFLAGS=-I m4. To reset the newlines:

cd aria2
git config core.autocrlf input
git rm -r --cached . && git reset --hard

The first line below runs the Docker build for Windows. The last 3 lines are to copy the result out of the container.

docker build -t updater2-win -f .
docker create --name updater2-win updater2-win
docker cp updater2-win:/build/release/updater2.exe ./build-docker
docker rm updater2-win

Search for updater2.exe in build-docker directory.

Build Mac version natively

Build Qt

curl -LO
tar -xzf qt-everywhere-src-5.14.2.tar.xz
cd qt-everywhere-src-5.14.2
# Default install location (--prefix): /usr/local/Qt-5.14.2
./configure -opensource -confirm-license -release -optimize-size -no-shared -no-framework -static --c++std=14 -nomake tests -nomake tools -nomake examples
cat <(echo '#include <CoreGraphics/CGColorSpace.h>') qtbase/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.h > tmp && mv tmp qtbase/src/plugins/platforms/cocoa/qiosurfacegraphicsbuffer.h
eval make -j`sysctl -n hw.logicalcpu` module-{$MODULES}
echo $?  # If nonzero, repeat previous command
eval sudo make module-{$MODULES}-install_subtargets

Build aria2

brew install autoconf automake libtool pkg-config gettext
# If building on M1, target x86 by running in Rosetta: arch -x86_64 ./
# (the --target option to configure doesn't seem to have any effect)

Build updater

mkdir build; cd build
/usr/local/Qt-5.14.2/bin/qmake -config release ..