Add build container for thread sanitizer builds.

Author: jblueh

build/Dockerfile.tsan

@@ -0,0 +1,67 @@
+FROM ubuntu:20.04
+
+LABEL org.opencontainers.image.source https://github.com/su2code/Docker-Builds
+
+ENV LANG C.UTF-8
+RUN ln -fs /usr/share/zoneinfo/UTC /etc/localtime
+RUN DEBIAN_FRONTEND=noninteractive apt update && apt install -y \
+    apt-utils \
+    python3 \
+    pkg-config \
+    python3-pip \
+    git \
+    build-essential \
+    cmake \
+    python3-numpy \
+    python3-scipy \
+    python3-mpi4py \
+    swig \
+    libopenmpi-dev \
+    libopenblas-dev \
+    openmpi-bin \
+    ccache \
+    petsc-dev \
+    python3-petsc4py \
+    python3-rtree \
+    curl \
+    flex \
+    gcc-multilib \
+    g++-multilib \
+ && rm -rf /var/lib/apt/lists/* \
+ && update-alternatives --install /usr/bin/python python /usr/bin/python3 10
+
+# Build a gcc suitable for thread sanitizer analysis
+RUN cd / \
+ && git clone git://gcc.gnu.org/git/gcc.git gcc_sources \
+ && cd gcc_sources \
+ && git checkout releases/gcc-9.4.0 \
+ && ./contrib/download_prerequisites \
+ && cd / \
+ && mkdir gcc_objdir \
+ && cd gcc_objdir \
+ && /gcc_sources/configure --prefix=/gcc_install --enable-languages=c,c++ --disable-linux-futex \
+ && make \
+ && make install \
+ && cd / \
+ && rm -rf gcc_sources \
+ && rm -rf gcc_objdir \
+ && cd /gcc_install \
+ && ln -s gcc cc
+ 
+# Ensure that ccache uses the built gcc
+RUN export PATH=/gcc_install/bin:$PATH \
+ && /usr/sbin/update-ccache-symlinks
+
+# Configure environment for the built gcc, also enable thread sanitizer
+ENV LD_LIBRARY_PATH=/gcc_install/lib64:$LD_LIBRARY_PATH
+ENV CXXFLAGS="-I/gcc_install/include/c++/9.4.0 -I/gcc_install/include/c++/9.4.0/x86_64-pc-linux-gnu -fsanitize=thread"
+ENV CFLAGS="-I/gcc_install/include/c++/9.4.0 -I/gcc_install/include/c++/9.4.0/x86_64-pc-linux-gnu -fsanitize=thread"
+ENV LDFLAGS="-L/gcc_install/lib64 -fsanitize=thread"
+ENV PATH=/usr/lib/ccache:/gcc_install/bin:$PATH
+ENV TSAN_OPTIONS="history_size=7 halt_on_error=1"
+
+# Copies your code file from your action repository to the filesystem path `/` of the container
+COPY compileSU2.sh /compileSU2.sh
+
+# Code file to execute when the docker container starts up (`entrypoint.sh`)
+ENTRYPOINT ["/compileSU2.sh"]