-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
-
-
-# Create build directory
-rm -rf $WORKSPACE/build
-mkdir -p $WORKSPACE/build
-
-PYTHON2=python2
-PYTHON3=python3
-
-P2_VERSION=$($PYTHON2 -c "import sys;print(sys.version[:3])")
-P3_VERSION=$($PYTHON3 -c "import sys;print(sys.version[:3])")
-
-# liburcu
-URCU_INCS="$WORKSPACE/deps/liburcu/build/include/"
-URCU_LIBS="$WORKSPACE/deps/liburcu/build/lib/"
-
-# lttng-ust
-UST_INCS="$WORKSPACE/deps/lttng-ust/build/include/"
-UST_LIBS="$WORKSPACE/deps/lttng-ust/build/lib/"
-UST_JAVA="$WORKSPACE/deps/lttng-ust/build/share/java/"
-UST_PYTHON2="$WORKSPACE/deps/lttng-ust/build/lib/python$P2_VERSION/site-packages"
-UST_PYTHON3="$WORKSPACE/deps/lttng-ust/build/lib/python$P3_VERSION/site-packages"
-
-# babeltrace
-BABEL_INCS="$WORKSPACE/deps/babeltrace/build/include/"
-BABEL_LIBS="$WORKSPACE/deps/babeltrace/build/lib/"
-BABEL_BINS="$WORKSPACE/deps/babeltrace/build/bin/"
-
-PREFIX="$WORKSPACE/build"
-
-if [ "$conf" = "no-ust" ]
-then
- export CPPFLAGS="-I$URCU_INCS"
- export LDFLAGS="-L$URCU_LIBS"
- export LD_LIBRARY_PATH="$URCU_LIBS:$BABEL_LIBS:${LD_LIBRARY_PATH:-}"
-else
- export CPPFLAGS="-I$URCU_INCS -I$UST_INCS"
- export LDFLAGS="-L$URCU_LIBS -L$UST_LIBS"
- export LD_LIBRARY_PATH="$URCU_LIBS:$UST_LIBS:$BABEL_LIBS:${LD_LIBRARY_PATH:-}"
+# shellcheck disable=SC2103
+
+set -exu
+
+# Version compare functions
+vercomp () {
+ set +u
+ if [[ "$1" == "$2" ]]; then
+ return 0
+ fi
+ local IFS=.
+ # Ignore the shellcheck warning, we want splitting to happen based on IFS.
+ # shellcheck disable=SC2206
+ local i ver1=($1) ver2=($2)
+ # fill empty fields in ver1 with zeros
+ for ((i=${#ver1[@]}; i<${#ver2[@]}; i++)); do
+ ver1[i]=0
+ done
+ for ((i=0; i<${#ver1[@]}; i++)); do
+ if [[ -z ${ver2[i]} ]]; then
+ # fill empty fields in ver2 with zeros
+ ver2[i]=0
+ fi
+ if ((10#${ver1[i]} > 10#${ver2[i]})); then
+ return 1
+ fi
+ if ((10#${ver1[i]} < 10#${ver2[i]})); then
+ return 2
+ fi
+ done
+ set -u
+ return 0
+}
+
+verlte() {
+ vercomp "$1" "$2"; local res="$?"
+ [ "$res" -eq "0" ] || [ "$res" -eq "2" ]
+}
+
+verlt() {
+ vercomp "$1" "$2"; local res="$?"
+ [ "$res" -eq "2" ]
+}
+
+vergte() {
+ vercomp "$1" "$2"; local res="$?"
+ [ "$res" -eq "0" ] || [ "$res" -eq "1" ]
+}
+
+vergt() {
+ vercomp "$1" "$2"; local res="$?"
+ [ "$res" -eq "1" ]
+}
+
+verne() {
+ vercomp "$1" "$2"; local res="$?"
+ [ "$res" -ne "0" ]
+}
+
+print_header() {
+ set +x
+
+ local message=" $1 "
+ local message_len
+ local padding_len
+
+ message_len="${#message}"
+ padding_len=$(( (80 - (message_len)) / 2 ))
+
+
+ printf '\n'; printf -- '#%.0s' {1..80}; printf '\n'
+ printf -- '-%.0s' {1..80}; printf '\n'
+ printf -- '#%.0s' $(seq 1 $padding_len); printf '%s' "$message"; printf -- '#%.0s' $(seq 1 $padding_len); printf '\n'
+ printf -- '-%.0s' {1..80}; printf '\n'
+ printf -- '#%.0s' {1..80}; printf '\n\n'
+
+ set -x
+}
+
+failed_configure() {
+ # Assume we are in the configured build directory
+ print_header "BEGIN config.log"
+ cat config.log
+ print_header "END config.log"
+
+ # End the build with failure
+ exit 1
+}
+
+set_execute_traversal_bit()
+{
+ path=$1
+
+ level="$path"
+ if [ ! -d "$path" ]; then
+ fail "Path is not a directory"
+ fi
+ while level="$(dirname "$level")"
+ do
+ if [ "$level" = / ]; then
+ break
+ fi
+ chmod a+x "$level"
+ done
+ chmod a+x "$path"
+}
+
+print_header "LTTng-tools build script starting"
+
+# Required variables
+WORKSPACE=${WORKSPACE:-}
+
+# Axis
+platform=${platform:-}
+conf=${conf:-}
+build=${build:-}
+cc=${cc:-}
+
+# Build steps that can be overriden by the environment
+LTTNG_TOOLS_MAKE_INSTALL="${LTTNG_TOOLS_MAKE_INSTALL:-yes}"
+LTTNG_TOOLS_MAKE_CLEAN="${LTTNG_TOOLS_MAKE_CLEAN:-yes}"
+LTTNG_TOOLS_GEN_COMPILE_COMMANDS="${LTTNG_TOOLS_GEN_COMPILE_COMMANDS:-no}"
+LTTNG_TOOLS_RUN_TESTS="${LTTNG_TOOLS_RUN_TESTS:-yes}"
+LTTNG_TOOLS_RUN_TESTS_LONG_REGRESSION="${LTTNG_TOOLS_RUN_TESTS_LONG_REGRESSION:-no}"
+LTTNG_TOOLS_RUN_UST_JAVA_TESTS="${LTTNG_TOOLS_RUN_UST_JAVA_TESTS:-no}"
+LTTNG_TOOLS_CLANG_TIDY="${LTTNG_TOOLS_CLANG_TIDY:-no}"
+
+SRCDIR="$WORKSPACE/src/lttng-tools"
+TAPDIR="$WORKSPACE/tap"
+PREFIX="/build"
+LIBDIR="lib"
+LIBDIR_ARCH="$LIBDIR"
+
+# RHEL and SLES both use lib64 but don't bother shipping a default autoconf
+# site config that matches this.
+if [[ ( -f /etc/redhat-release || -f /etc/products.d/SLES.prod || -f /etc/yocto-release ) ]]; then
+ # Detect the userspace bitness in a distro agnostic way
+ if file -L /bin/bash | grep '64-bit' >/dev/null 2>&1; then
+ LIBDIR_ARCH="${LIBDIR}64"
+ fi
+fi
+
+DEPS_INC="$WORKSPACE/deps/build/include"
+DEPS_LIB="$WORKSPACE/deps/build/$LIBDIR_ARCH"
+DEPS_PKGCONFIG="$DEPS_LIB/pkgconfig"
+DEPS_BIN="$WORKSPACE/deps/build/bin"
+DEPS_JAVA="$WORKSPACE/deps/build/share/java"
+
+export PATH="$DEPS_BIN:$PATH"
+export LD_LIBRARY_PATH="$DEPS_LIB:${LD_LIBRARY_PATH:-}"
+export PKG_CONFIG_PATH="$DEPS_PKGCONFIG"
+export CPPFLAGS="-I$DEPS_INC"
+export LDFLAGS="-L$DEPS_LIB"
+
+exit_status=0
+
+# Use bear to generate compile_commands.json when enabled
+BEAR=""
+if [ "$LTTNG_TOOLS_GEN_COMPILE_COMMANDS" = "yes" ]; then
+ BEAR="bear"
+fi
+
+# Create tmp directory
+TMPDIR="$WORKSPACE/tmp"
+mkdir -p "$TMPDIR"
+
+# Use a symlink in /tmp to point to the the tmp directory
+# inside the workspace, this is to work around the path length
+# limit of unix sockets which are created by the test suite.
+tmpdir="$(mktemp)"
+ln -sf "$TMPDIR" "$tmpdir"
+export TMPDIR="$tmpdir"
+
+# Create a symlink to "babeltrace" when the "babeltrace2" executable is found.
+# This is a temporary workaround until lttng-tools either allows the override of
+# the trace reader in its test suite or that we move to only supporting
+# babeltrace2
+if [ -x "$DEPS_BIN/babeltrace2" ]; then
+ ln -s "$DEPS_BIN/babeltrace2" "$DEPS_BIN/babeltrace"
+fi
+
+# When using babeltrace2 make sure that it finds its plugins and
+# plugin-providers.
+export BABELTRACE_PLUGIN_PATH="$DEPS_LIB/babeltrace2/plugins/"
+export LIBBABELTRACE2_PLUGIN_PROVIDER_DIR="$DEPS_LIB/babeltrace2/plugin-providers/"
+
+export CFLAGS="-g -O2"
+export CXXFLAGS="-g -O2"
+
+# Set compiler variables
+case "$cc" in
+gcc)
+ export CC=gcc
+ export CXX=g++
+ ;;
+gcc-*)
+ export CC=gcc-${cc#gcc-}
+ export CXX=g++-${cc#gcc-}
+ ;;
+clang)
+ export CC=clang
+ export CXX=clang++
+ ;;
+clang-*)
+ export CC=clang-${cc#clang-}
+ export CXX=clang++-${cc#clang-}
+ ;;
+*)
+ if [ "x$cc" != "x" ]; then
+ export CC="$cc"
+ fi
+ ;;
+esac
+
+# Set platform variables
+case "$platform" in
+macos*)
+ export MAKE=make
+ export TAR=tar
+ export NPROC="getconf _NPROCESSORS_ONLN"
+ export PATH="/opt/local/bin:/opt/local/sbin:$PATH"
+ export CPPFLAGS="-I/opt/local/include $CPPFLAGS"
+ export LDFLAGS="-L/opt/local/lib $LDFLAGS"
+ export PYTHON="python3"
+ export PYTHON_CONFIG="python3-config"
+ ;;
+
+cygwin|cygwin64|msys32|msys64)
+ export MAKE=make
+ export TAR=tar
+ export NPROC=nproc
+ ;;
+
+*)
+ export MAKE=make
+ export TAR=tar
+ export NPROC=nproc
+
+ PYTHON2=python2
+ PYTHON3=python3
+
+ if command -v $PYTHON2 >/dev/null 2>&1; then
+ P2_VERSION=$($PYTHON2 -c 'import sys;v = sys.version.split()[0].split("."); print("{}.{}".format(v[0], v[1]))')
+ DEPS_PYTHON2="$WORKSPACE/deps/build/$LIBDIR/python$P2_VERSION/site-packages"
+ if [ "$LIBDIR" != "$LIBDIR_ARCH" ]; then
+ DEPS_PYTHON2="$DEPS_PYTHON2:$WORKSPACE/deps/build/$LIBDIR_ARCH/python$P2_VERSION/site-packages"
+ fi
+ fi
+
+ P3_VERSION=$($PYTHON3 -c 'import sys;v = sys.version.split()[0].split("."); print("{}.{}".format(v[0], v[1]))')
+
+ # Temporary fix for an issue on debian python >= 3.10, add the 'local' prefix
+ DEPS_PYTHON3="$WORKSPACE/deps/build/$LIBDIR/python$P3_VERSION/site-packages:$WORKSPACE/deps/build/local/$LIBDIR/python$P3_VERSION/dist-packages"
+ if [ "$LIBDIR" != "$LIBDIR_ARCH" ]; then
+ DEPS_PYTHON3="$DEPS_PYTHON3:$WORKSPACE/deps/build/$LIBDIR_ARCH/python$P3_VERSION/site-packages"
+ fi
+
+ # Most build configs require access to the babeltrace 2 python bindings.
+ # This also makes the lttngust python agent available for `agents` builds.
+ export PYTHONPATH="${DEPS_PYTHON2:-}${DEPS_PYTHON2:+:}$DEPS_PYTHON3"
+ ;;
+esac
+
+# Some warning flags are very dumb in GCC 4.8 on SLES12 / EL7, disable them
+# even if they are available.
+if [[ $platform = sles12sp5* ]] || [[ $platform = el7* ]]; then
+ CFLAGS="$CFLAGS -Wno-missing-field-initializers -Wno-shadow"
+ CXXFLAGS="$CXXFLAGS -Wno-missing-field-initializers -Wno-shadow"