Make Luanti buildable for iOS (iPhoneSimulator) with ANGLE and basic CI.

util/ci/build_ios.sh

@@ -0,0 +1,49 @@
+#!/bin/bash -e
+
+sudo xcode-select -s /Applications/Xcode_${xcodever}.app/Contents/Developer
+sdkroot="$(realpath $(xcrun --sdk iphonesimulator --show-sdk-path)/../iPhoneSimulator${osver}.sdk)"
+export CMAKE_PREFIX_PATH=${DEPS_DIR}
+export SDKROOT="$sdkroot"
+
+cmake .. -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_DEPLOYMENT_TARGET=$osver -DCMAKE_FIND_FRAMEWORK=LAST -DCMAKE_OSX_ARCHITECTURES=arm64 \
+					-DCMAKE_INSTALL_PREFIX=../build/ios/ -DRUN_IN_PLACE=FALSE -DENABLE_GETTEXT=TRUE -DCMAKE_BUILD_TYPE=Release \
+					-DCMAKE_PREFIX_PATH=${DEPS_DIR} \
+					-DENABLE_OPENGL=OFF \
+					-DENABLE_OPENGL3=OFF \
+					-DENABLE_GLES2=ON \
+					-DUSE_SDL2=ON \
+					-DSDL2_LIBRARIES="${DEPS_DIR}/lib/libSDL2.a;${DEPS_DIR}/lib/libSDL2main.a" \
+					-DSDL2_INCLUDE_DIRS=${DEPS_DIR}/include/SDL2 \
+					-DOPENGLES2_LIBRARY=${DEPS_DIR}/lib/libGLESv2_static.a \
+					-DOPENGLES2_INCLUDE_DIR=${DEPS_DIR}/include/ANGLE \
+					-DCURL_LIBRARY=${DEPS_DIR}/lib/libcurl.a \
+					-DCURL_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DFREETYPE_LIBRARY=${DEPS_DIR}/lib/libfreetype.a \
+					-DFREETYPE_INCLUDE_DIRS=${DEPS_DIR}/include/freetype2 \
+					-DGETTEXT_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DGETTEXT_LIBRARY=${DEPS_DIR}/lib/libintl.a \
+					-DLUA_LIBRARY=${DEPS_DIR}/lib/libluajit-5.1.a \
+					-DLUA_INCLUDE_DIR=${DEPS_DIR}/include/luajit-2.1 \
+					-DOGG_LIBRARY=${DEPS_DIR}/lib/libogg.a \
+					-DOGG_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DVORBIS_LIBRARY=${DEPS_DIR}/lib/libvorbis.a \
+					-DVORBISFILE_LIBRARY=${DEPS_DIR}/lib/libvorbisfile.a \
+					-DVORBIS_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DZSTD_LIBRARY=${DEPS_DIR}/lib/libzstd.a \
+					-DZSTD_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DGMP_LIBRARY=${DEPS_DIR}/lib/libgmp.a \
+					-DGMP_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DJSON_LIBRARY=${DEPS_DIR}/lib/libjsoncpp.a \
+					-DJSON_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DENABLE_LEVELDB=OFF \
+					-DENABLE_POSTGRESQL=OFF \
+					-DENABLE_REDIS=OFF \
+					-DJPEG_LIBRARY=${DEPS_DIR}/lib/libjpeg.a \
+					-DJPEG_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DPNG_LIBRARY=${DEPS_DIR}/lib/libpng.a \
+					-DPNG_PNG_INCLUDE_DIR=${DEPS_DIR}/include \
+					-DCMAKE_EXE_LINKER_FLAGS="-lbz2 ${DEPS_DIR}/lib/libANGLE_static.a ${DEPS_DIR}/lib/libEGL_static.a" \
+					-DXCODE_CODE_SIGN_ENTITLEMENTS=${REPDIR}/misc/ios/entitlements/release.entitlements \
+					-GXcode
+xcodebuild -project luanti.xcodeproj -scheme luanti -configuration Release build
+

util/ci/common.sh

@@ -49,3 +49,22 @@ install_macos_deps() {
 	brew unlink $(brew ls --formula)
 	brew link "${pkgs[@]}"
 }
+
+# iOS build only
+install_ios_deps() {
+	osver=$1
+
+	local pkgs=(
+		cmake gettext wget
+	)
+	export HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK=1
+	export HOMEBREW_NO_INSTALL_CLEANUP=1
+	# contrary to how it may look --auto-update makes brew do *less*
+	brew update --auto-update
+	brew install --display-times "${pkgs[@]}"
+	brew unlink $(brew ls --formula)
+	brew link "${pkgs[@]}"
+
+	wget ios${osver}_deps.tar.gz https://github.com/luanti-org/luanti_ios_deps/releases/download/latest/ios${osver}_deps.tar.gz || echo "Ignore stupid error number 4: $?"
+	tar -xf ios${osver}_deps.tar.gz
+}

util/ci/run_ios.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+DEVICE_NAME=$1
+TIMEOUT=$2
+
+xcrun simctl boot "$DEVICE_NAME"
+xcrun simctl install booted build/build/Release-iphonesimulator/luanti.app
+
+# Run the iOS app in the background
+xcrun simctl launch --console booted org.luanti.luanti --run-unittests 2> log.txt &
+APP_PID=$!
+
+# Initialize variables
+CHECK_INTERVAL=15
+ELAPSED_TIME=0
+FOUND_RESULT=false
+
+# Monitor the log file
+while [ $ELAPSED_TIME -lt $TIMEOUT ]; do
+    if grep -q "Unit Test Results:" log.txt; then
+        FOUND_RESULT=true
+        break
+    fi
+    sleep $CHECK_INTERVAL
+    ELAPSED_TIME=$((ELAPSED_TIME + CHECK_INTERVAL))
+done
+
+# Terminate the app
+if $FOUND_RESULT; then
+    echo "Unit test results found. Terminating the app."
+else
+    echo "Timeout reached. Terminating the app."
+fi
+xcrun simctl terminate booted org.luanti.luanti
+xcrun simctl shutdown booted
+