Trim down docker file and avoid valgrind when cross-compiling

Dockerfile

@@ -15,6 +15,7 @@ RUN TZ=America/Los_Angeles DEBIAN_FRONTEND=noninteractive apt-get install -y \
     curl \
     doxygen \
     file \
+    g++-aarch64-linux-gnu \
     gcovr \
     git \
     gperf \
@@ -23,17 +24,20 @@ RUN TZ=America/Los_Angeles DEBIAN_FRONTEND=noninteractive apt-get install -y \
     ninja-build \
     pre-commit \
     python3-requests \
+    qemu-user \
+    rpm \
+    texlive-full \
     zstd
 
 # Install recent valgrind from source
-RUN curl -Ls https://sourceware.org/pub/valgrind/valgrind-3.20.0.tar.bz2 -o valgrind.tar.bz2 && \
-    echo "8536c031dbe078d342f121fa881a9ecd205cb5a78e639005ad570011bdb9f3c6  valgrind.tar.bz2" > valgrind-sha.txt && \
+RUN curl -Ls https://sourceware.org/pub/valgrind/valgrind-3.22.0.tar.bz2 -o valgrind.tar.bz2 && \
+    echo "c811db5add2c5f729944caf47c4e7a65dcaabb9461e472b578765dd7bf6d2d4c  valgrind.tar.bz2" > valgrind-sha.txt && \
     sha256sum --quiet -c valgrind-sha.txt && \
     mkdir valgrind && \
     tar --strip-components 1 --no-same-owner --no-same-permissions --directory valgrind -xjf valgrind.tar.bz2 && \
     cd valgrind && \
     ./configure --enable-only64bit --enable-lto && \
-    make && \
+    make -j`nproc` && \
     make install && \
     cd .. && \
     rm -rf /tmp/*
@@ -42,50 +46,6 @@ RUN curl -Ls https://sourceware.org/pub/valgrind/valgrind-3.20.0.tar.bz2 -o valg
 ENV CC=clang
 ENV CXX=clang++
 
-# Install recent flatbuffers from source
-RUN curl -Ls https://github.com/google/flatbuffers/archive/refs/tags/v23.3.3.tar.gz -o flatbuffers.tar.gz && \
-    echo "8aff985da30aaab37edf8e5b02fda33ed4cbdd962699a8e2af98fdef306f4e4d  flatbuffers.tar.gz" > flatbuffers-sha.txt && \
-    sha256sum --quiet -c flatbuffers-sha.txt && \
-    mkdir flatbuffers && \
-    tar --strip-components 1 --no-same-owner --no-same-permissions --directory flatbuffers  -xf flatbuffers.tar.gz && \
-    cd flatbuffers && \
-    cmake -S. -B build -G Ninja -DCMAKE_BUILD_TYPE=Release && \
-    ninja -C build install && \
-    rm -rf /tmp/*
-
-# Build msan-instrumented libc++ (llvmorg-16.0.0)
-RUN curl -Ls https://github.com/llvm/llvm-project/releases/download/llvmorg-16.0.0/llvm-project-16.0.0.src.tar.xz -o llvm-project.tar.gz && \
-    echo "9a56d906a2c81f16f06efc493a646d497c53c2f4f28f0cb1f3c8da7f74350254  llvm-project.tar.gz" > llvm-project-sha.txt && \
-    sha256sum --quiet -c llvm-project-sha.txt && \
-    mkdir llvm-project && \
-    tar --strip-components 1 --no-same-owner --no-same-permissions --directory llvm-project  -xf llvm-project.tar.gz && \
-    cmake -Sllvm-project/runtimes -B build -G Ninja \
-        -DCMAKE_BUILD_TYPE=Release \
-        -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi" \
-        -DCMAKE_C_COMPILER=clang \
-        -DCMAKE_CXX_COMPILER=clang++ \
-        -DCMAKE_INSTALL_PREFIX=/opt/llvm-msan \
-        -DLLVM_USE_SANITIZER=MemoryWithOrigins && \
-    ninja -C build cxx cxxabi && \
-    ninja -C build install-cxx install-cxxabi && \
-    rm -rf /tmp/*
-
-# Install bloaty from source
-RUN curl -Ls https://github.com/google/bloaty/releases/download/v1.1/bloaty-1.1.tar.bz2 -o bloaty.tar.bz2 && \
-    echo "a308d8369d5812aba45982e55e7c3db2ea4780b7496a5455792fb3dcba9abd6f  bloaty.tar.bz2" > bloaty-sha.txt && \
-    sha256sum --quiet -c bloaty-sha.txt && \
-    mkdir bloaty && \
-    tar --strip-components 1 --no-same-owner --no-same-permissions --directory bloaty  -xf bloaty.tar.bz2 && \
-    cd bloaty && \
-    cmake -S. -B build -G Ninja && \
-    ninja -C build install && \
-    rm -rf /tmp/*
-
-RUN apt-get update
-RUN apt-get upgrade -y
-RUN TZ=America/Los_Angeles DEBIAN_FRONTEND=noninteractive apt-get install -y texlive-full
-RUN TZ=America/Los_Angeles DEBIAN_FRONTEND=noninteractive apt-get install -y rpm qemu-user g++-aarch64-linux-gnu
-
 # Try to have all the pre-commit hooks we'll need already initialized
 COPY .pre-commit-config.yaml /tmp/
 RUN git init && pre-commit install-hooks