1 files changed, 55 insertions, 0 deletions
diff --git a/compile.bash b/compile.bash
new file mode 100755
index 000000000000..737f7d07cd83
--- /dev/null
+++ b/compile.bash
@@ -0,0 +1,55 @@
+#!/usr/bin/env bash
+set -e
+virtualenv ".venv" -p python3
+. ".venv/bin/activate"
+echo "Installing autobuild..."
+pip install --upgrade certifi --quiet
+pip3 install --upgrade llbase --quiet
+if command -v autobuild >/dev/null 2>&1 && [[ "$(autobuild --version)" == "autobuild 9.0.0" ]]; then
+	pip3 uninstall --yes autobuild --quiet
+fi
+pip3 install --no-cache --upgrade autobuild --quiet
+
+# we have a lot of files, relax ulimit to help performance
+ulimit -n 20000
+build_jobs=$(nproc)
+if [[ ${build_jobs} -gt 1 ]]; then
+	# The viewer requires an average of 4GB of memory per core to link
+	mempercorekb=$((4 * 1048576))
+	requiredmemorykb=$(($(nproc) * mempercorekb))
+	# Source: Total Used Free
+	free_output="$(free --kilo --total | tr -s ' ')"
+	totalmemorykb=$(grep Total <<< "$free_output" | cut -d ' ' -f 2)
+	freememorykb=$(grep Total <<< "$free_output" | cut -d ' ' -f 4)
+	#echo "Total memory:    $totalmemorykb (includes swap)"
+	#echo "Free memory:     $freememorykb"
+	#echo "Required memory: $requiredmemorykb"
+	if [[ ${requiredmemorykb} -gt ${totalmemorykb} ]]; then
+		echo "Not enough physical memory to build with all cores, adjusting"
+		echo "Estimated required memory to build with all cores: $((requiredmemorykb/1024/1024)) GB"
+		if [[ ${requiredmemorykb} -gt ${freememorykb} ]]; then
+			jobs=1
+			echo "Allocating build jobs according to available memory (${freememorykb}/${requiredmemorykb})..."
+			while [[ $((jobs * mempercorekb)) -lt ${freememorykb} ]]; do
+				jobs=$((jobs+1))
+				echo -e "${jobs}...$(((jobs * mempercorekb)/1024/1024))GB"
+			done
+			build_jobs=${jobs}
+		fi
+	fi
+fi
+if pacman -Qq ccache &> /dev/null; then
+	export PATH="/usr/lib/ccache/bin/:$PATH"
+	export CCACHE_SLOPPINESS="file_macro,locale,time_macros"
+	export CCACHE_NOHASHDIR="true"
+fi
+export AUTOBUILD_CPU_COUNT=$build_jobs
+schedtool -B -n 1 -e ionice -n 1 autobuild configure -A 64 -c ReleaseOS -- \
+	-DLL_TESTS:BOOL=OFF \
+	-DDISABLE_FATAL_WARNINGS=ON \
+	-DUSE_LTO:BOOL=OFF \
+	-DDCMAKE_CXX_FLAGS="-march=x86-64-v2 -mtune=native" \
+	-DVIEWER_CHANNEL="Alchemy Test"
+
+echo "Building with ${AUTOBUILD_CPU_COUNT} jobs (adjusted)"
+schedtool -B -n 1 -e ionice -n 1 autobuild build -A64 -c ReleaseOS --no-configure