1 files changed, 289 insertions, 0 deletions
diff --git a/build-aux/ci_build.bash b/build-aux/ci_build.bash
new file mode 100755
index 00000000..d40cd3ce
--- /dev/null
+++ b/build-aux/ci_build.bash
@@ -0,0 +1,289 @@
+#!/bin/bash
+# SPDX-License-Identifier: 0BSD
+
+#############################################################################
+#
+# Script meant to be used for Continuous Integration automation for POSIX
+# systems. On GitHub, this is used by Ubuntu and MacOS builds.
+#
+#############################################################################
+#
+# Author: Jia Tan
+#
+#############################################################################
+
+set -e
+
+USAGE="Usage: $0
+  -a [autogen flags]
+  -b [autotools|cmake]
+  -c [crc32|crc64|sha256]
+  -d [encoders|decoders|bcj|delta|threads|shared|nls|small|clmul|sandbox]
+  -f [CFLAGS]
+  -l [destdir]
+  -m [compiler]
+  -n [ARTIFACTS_DIR_NAME]
+  -p [all|build|test]
+  -s [srcdir]"
+
+# Absolute path of script directory
+ABS_DIR=$(cd -- "$(dirname -- "$0")" && pwd)
+
+# Default CLI option values
+AUTOGEN_FLAGS=""
+BUILD_SYSTEM="autotools"
+CHECK_TYPE="crc32,crc64,sha256"
+BCJ="y"
+DELTA="y"
+ENCODERS="y"
+DECODERS="y"
+THREADS="y"
+SHARED="y"
+NATIVE_LANG_SUPPORT="y"
+SMALL="n"
+CLMUL="y"
+SANDBOX="y"
+SRC_DIR="$ABS_DIR/../"
+DEST_DIR="$SRC_DIR/../xz_build"
+PHASE="all"
+ARTIFACTS_DIR_NAME="output"
+
+[[ -z ${CPU_COUNT} ]] && { CPU_COUNT=$(nproc 2>/dev/null || sysctl -n hw.ncpu); }
+[[ -z ${MAKEFLAGS} ]] && export MAKEFLAGS="-j${CPU_COUNT} -l${CPU_COUNT}"
+[[ -z ${CFLAGS} ]] && export CFLAGS="-O2"
+
+###################
+# Parse arguments #
+###################
+
+while getopts a:b:c:d:l:m:n:s:p:f:w:h opt; do
+	# b option can have either value "autotools" OR "cmake"
+	case ${opt} in
+	h)
+		echo "$USAGE"
+		exit 0
+	;;
+	a)
+		AUTOGEN_FLAGS="$OPTARG"
+	;;
+	b)
+		case "$OPTARG" in
+			autotools) ;;
+			cmake) ;;
+			*) echo "Invalid build system: $OPTARG"; exit 1;;
+		esac
+		BUILD_SYSTEM="$OPTARG"
+	;;
+	c) CHECK_TYPE="$OPTARG"
+	;;
+	# d options can be a comma separated list of things to disable at
+	# configure time
+	d)
+	for disable_arg in $(echo "$OPTARG" | sed "s/,/ /g"); do
+		case "$disable_arg" in
+		encoders) ENCODERS="n" ;;
+		decoders) DECODERS="n" ;;
+		bcj) BCJ="n" ;;
+		delta) DELTA="n" ;;
+		threads) THREADS="n" ;;
+		shared) SHARED="n";;
+		nls) NATIVE_LANG_SUPPORT="n";;
+		small) SMALL="y";;
+		clmul) CLMUL="n";;
+		sandbox) SANDBOX="n";;
+		*) echo "Invalid disable value: $disable_arg"; exit 1 ;;
+		esac
+	done
+	;;
+	l) DEST_DIR="$OPTARG"
+	;;
+	m)
+		CC="$OPTARG"
+		export CC
+	;;
+	n) ARTIFACTS_DIR_NAME="$OPTARG"
+	;;
+	s) SRC_DIR="$OPTARG"
+	;;
+	p) PHASE="$OPTARG"
+	;;
+	f)
+		CFLAGS+=" $OPTARG"
+		export CFLAGS
+	;;
+	w) WRAPPER="$OPTARG"
+	;;
+	esac
+done
+
+
+####################
+# Helper Functions #
+####################
+
+# These two functions essentially implement the ternary "?" operator.
+add_extra_option() {
+	# First argument is option value ("y" or "n")
+	# Second argument is option to set if "y"
+	# Third argument is option to set if "n"
+	if [ "$1" = "y" ]
+	then
+		EXTRA_OPTIONS="$EXTRA_OPTIONS $2"
+	else
+		EXTRA_OPTIONS="$EXTRA_OPTIONS $3"
+	fi
+}
+
+
+add_to_filter_list() {
+	# First argument is option value ("y" or "n")
+	# Second argument is option to set if "y"
+	if [ "$1" = "y" ]
+	then
+		FILTER_LIST="$FILTER_LIST$2"
+	fi
+}
+
+
+###############
+# Build Phase #
+###############
+
+if [ "$PHASE" = "all" ] || [ "$PHASE" = "build" ]
+then
+	# Checksum options should be specified differently based on the
+	# build system. It must be calculated here since we won't know
+	# the build system used until all args have been parsed.
+	# Autotools - comma separated
+	# CMake - semi-colon separated
+	if [ "$BUILD_SYSTEM" = "autotools" ]
+	then
+		SEP=","
+	else
+		SEP=";"
+	fi
+
+	CHECK_TYPE_TEMP=""
+	for crc in $(echo "$CHECK_TYPE" | sed "s/,/ /g"); do
+			case "$crc" in
+			# Remove "crc32" from cmake build, if specified.
+			crc32)
+				if [ "$BUILD_SYSTEM" = "cmake" ]
+				then
+					continue
+				fi
+			;;
+			crc64) ;;
+			sha256) ;;
+			*) echo "Invalid check type: $crc"; exit 1 ;;
+			esac
+
+			CHECK_TYPE_TEMP="$CHECK_TYPE_TEMP$SEP$crc"
+	done
+
+	# Remove the first character from $CHECK_TYPE_TEMP since it will
+	# always be the delimiter.
+	CHECK_TYPE="${CHECK_TYPE_TEMP:1}"
+
+	FILTER_LIST="lzma1$SEP"lzma2
+
+	# Build based on arguments
+	mkdir -p "$DEST_DIR"
+
+	# Generate configure option values
+	EXTRA_OPTIONS=""
+
+	case $BUILD_SYSTEM in
+	autotools)
+		cd "$SRC_DIR"
+
+		# Run autogen.sh script if not already run
+		if [ ! -f configure ]
+		then
+			./autogen.sh "$AUTOGEN_FLAGS"
+		fi
+
+		cd "$DEST_DIR"
+
+		add_to_filter_list "$BCJ" ",x86,powerpc,ia64,arm,armthumb,arm64,sparc,riscv"
+		add_to_filter_list "$DELTA" ",delta"
+
+		add_extra_option "$ENCODERS" "--enable-encoders=$FILTER_LIST" "--disable-encoders"
+		add_extra_option "$DECODERS" "--enable-decoders=$FILTER_LIST" "--disable-decoders"
+		add_extra_option "$THREADS" "" "--disable-threads"
+		add_extra_option "$SHARED" "" "--disable-shared"
+		add_extra_option "$NATIVE_LANG_SUPPORT" "" "--disable-nls"
+		add_extra_option "$SMALL" "--enable-small" ""
+		add_extra_option "$CLMUL" "" "--disable-clmul-crc"
+		add_extra_option "$SANDBOX" "" "--enable-sandbox=no"
+
+		# Run configure script
+		"$SRC_DIR"/configure --enable-werror --enable-checks="$CHECK_TYPE" $EXTRA_OPTIONS --config-cache
+
+		# Build the project
+		make
+	;;
+	cmake)
+		cd "$DEST_DIR"
+
+		add_to_filter_list "$BCJ" ";x86;powerpc;ia64;arm;armthumb;arm64;sparc;riscv"
+		add_to_filter_list "$DELTA" ";delta"
+
+		add_extra_option "$THREADS" "-DENABLE_THREADS=ON" "-DENABLE_THREADS=OFF"
+
+		# Disable MicroLZMA if encoders are not configured.
+		add_extra_option "$ENCODERS" "-DENCODERS=$FILTER_LIST" "-DENCODERS= -DMICROLZMA_ENCODER=OFF"
+
+		# Disable MicroLZMA and lzip decoders if decoders are not configured.
+		add_extra_option "$DECODERS" "-DDECODERS=$FILTER_LIST" "-DDECODERS= -DMICROLZMA_DECODER=OFF -DLZIP_DECODER=OFF"
+
+		# CMake disables the shared library by default.
+		add_extra_option "$SHARED" "-DBUILD_SHARED_LIBS=ON" ""
+
+		add_extra_option "$SMALL" "-DHAVE_SMALL=ON" ""
+
+		if test -n "$CC" ; then
+			EXTRA_OPTIONS="$EXTRA_OPTIONS -DCMAKE_C_COMPILER=$CC"
+		fi
+
+		# Remove old cache file to clear previous settings.
+		rm -f "CMakeCache.txt"
+		cmake "$SRC_DIR/CMakeLists.txt" -B "$DEST_DIR" $EXTRA_OPTIONS -DADDITIONAL_CHECK_TYPES="$CHECK_TYPE" -G "Unix Makefiles"
+		cmake --build "$DEST_DIR"
+	;;
+	esac
+fi
+
+
+##############
+# Test Phase #
+##############
+
+if [ "$PHASE" = "all" ] || [ "$PHASE" = "test" ]
+then
+	case $BUILD_SYSTEM in
+	autotools)
+		cd "$DEST_DIR"
+		# If the tests fail, copy the test logs into the artifacts folder
+		if make check VERBOSE=1 LOG_COMPILER="$WRAPPER"
+		then
+			:
+		else
+			mkdir -p "$SRC_DIR/build-aux/artifacts/$ARTIFACTS_DIR_NAME"
+			cp ./tests/*.log "$SRC_DIR/build-aux/artifacts/$ARTIFACTS_DIR_NAME"
+			exit 1
+		fi
+	;;
+	cmake)
+		cd "$DEST_DIR"
+		if ${WRAPPER} make test
+		then
+			:
+		else
+			mkdir -p "$SRC_DIR/build-aux/artifacts/$ARTIFACTS_DIR_NAME"
+			cp ./Testing/Temporary/*.log "$SRC_DIR/build-aux/artifacts/$ARTIFACTS_DIR_NAME"
+			exit 1
+		fi
+	;;
+	esac
+fi