Update googletest to 1.18.0 and SIMDe to 0.8.2.

Googletest 1.18 asks for CMake 3.13 or newer, so configuring the tests no longer warns that CMake compatibility below 3.10 is deprecated.

Co-authored-by: Cursor <cursoragent@cursor.com>

thirdparty/simde/docker/Dockerfile.ubuntu

@@ -0,0 +1,112 @@
+# Dockerfile for SIMDe development
+
+FROM ubuntu:focal
+
+ARG DEBIAN_FRONTEND=noninteractive
+ARG QEMU_GIT=n
+ARG ARCHS="arm64"
+#"arm64 armel armhf i386 mips64el ppc64el s390x riscv64"
+
+COPY docker/bin /tmp/simde-bin
+RUN \
+  for script in simde-reset-build.sh; do \
+    ln -s /usr/local/src/simde/docker/bin/"${script}" /usr/bin/"${script}"; \
+  done
+
+# Common packages
+RUN \
+  apt-get update -y && \
+  apt-get upgrade -y && \
+  apt-get install -yq --no-install-recommends \
+    git build-essential vim \
+    ccache cmake ninja-build \
+    '^clang-[0-9\.]+$' \
+    '^llvm-[0-9\.]+$' \
+    '^g(cc|\+\+)-[0-9\.]+$' \
+    gdb valgrind \
+    binfmt-support qemu-user-static \
+    creduce screen htop parallel nano rsync strace \
+    npm libsleef-dev \
+    pipx wget curl
+
+# Meson on stable is too old, and we want to make sure we keep 0.55
+# working for a while.
+RUN pipx install meson==0.55.0
+
+# GCC cross-compilers
+RUN \
+  apt-get update -y && \
+  apt-get upgrade -y && \
+  apt-get install -y apt-file && \
+  apt-file update
+RUN \
+  PACKAGES_TO_INSTALL=""; \
+  for ARCH in ${ARCHS}; do \
+    PACKAGES_TO_INSTALL="${PACKAGES_TO_INSTALL} libc6-${ARCH}-cross libstdc++-[0-9]*-dev-${ARCH}-cross"; \
+    PACKAGES_TO_INSTALL="${PACKAGES_TO_INSTALL} $(apt-file search -x "/usr/bin/$(/tmp/simde-bin/arch2gcc.sh ${ARCH})-(ar|g(cc|\+\+)-[0-9\.]+)" | awk -F: '{ print $1}')"; \
+  done; \
+  echo ${PACKAGES_TO_INSTALL} ; \
+  apt-get install -yq ${PACKAGES_TO_INSTALL}
+
+ENV PATH="/usr/lib/ccache:$PATH:/root/.local/bin:/root/.jsvu/bin"
+
+# ICC
+RUN \
+  apt-get update -y && \
+  apt-get upgrade -y && \
+  apt-get install -yq gpg && \
+  wget -O- https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB \
+   | gpg --dearmor > /usr/share/keyrings/oneapi-archive-keyring.gpg && \
+  echo "deb [signed-by=/usr/share/keyrings/oneapi-archive-keyring.gpg] https://apt.repos.intel.com/oneapi all main" > /etc/apt/sources.list.d/oneAPI.list && \
+  apt-get update && \
+  apt-get install -yq --no-install-recommends intel-oneapi-compiler-dpcpp-cpp-and-cpp-classic intel-oneapi-compiler-dpcpp-cpp && \
+  for exe in icc icpc icx icpx; do \
+    printf '#!/bin/bash\nARGS="$@"\nsource /opt/intel/oneapi/compiler/latest/env/vars.sh >/dev/null\n%s ${ARGS}\n' "${exe}" > /usr/bin/"${exe}" && \
+    chmod 0755 /usr/bin/"${exe}" ; \
+  done
+
+# # xlc -- Install fails.
+# # Once IBM releases a version for Ubuntu Focal (20.04) I hope I can
+# # get this working.
+# RUN \
+#   curl -s 'https://public.dhe.ibm.com/software/server/POWER/Linux/xl-compiler/eval/ppc64le/ubuntu/public.gpg' | apt-key add - && \
+#   echo "deb [arch=ppc64el] https://public.dhe.ibm.com/software/server/POWER/Linux/xl-compiler/eval/ppc64le/ubuntu/ bionic main" > /etc/apt/sources.list.d/xlc.list && \
+#   apt-get update && \
+#   XLC_VERSION="$(apt-cache search '^xlc\.[0-9]+\.[0-9]+\.[0-9]+$' | awk '{ print substr($1, 5) }')" && \
+#   apt-get install "xlc.${XLC_VERSION}:ppc64el" "xlc-license-community.${XLC_VERSION}:ppc64el" && \
+#   /opt/ibm/xlC/${XLC_VERSION}/bin/xlc_configure <<< 1 >/dev/null
+
+# Intel SDE
+COPY test/download-sde.sh /tmp/simde-bin/download-sde.sh
+RUN \
+  "/tmp/simde-bin/download-sde.sh" "/opt/intel/sde" && \
+  for executable in sde sde64; do \
+    ln -s "/opt/intel/sde/${executable}" "/usr/bin/${executable}"; \
+  done
+
+# Emscripten
+RUN \
+  git clone https://github.com/emscripten-core/emsdk.git /opt/emsdk && \
+  cd /opt/emsdk && ./emsdk install tot && ./emsdk activate tot && \
+  ln -s /opt/emsdk/upstream/bin/wasm-ld /usr/bin/wasm-ld && \
+  npm install jsvu -g && jsvu --os=linux64 --engines=v8 && ln -s "/root/.jsvu/v8" "/usr/bin/v8"
+
+# Meson cross files
+RUN \
+  mkdir -p "/usr/local/share/meson/cross" && ln -s /usr/local/src/simde/docker/cross-files /usr/local/share/meson/cross/simde
+
+# Install QEMU git (necessary for MIPS)
+RUN \
+  if [ ${QEMU_GIT} = "y" ]; then \
+    apt-get install -y pkg-config libglib2.0-dev libpixman-1-dev && \
+    git clone https://gitlab.com/qemu-project/qemu.git /usr/local/src/qemu && \
+    mkdir -p /usr/local/src/qemu/build && cd /usr/local/src/qemu/build && \
+    ../configure --prefix=/opt/qemu && \
+    make -j$(nproc) && \
+    make install; \
+    rm -rf /usr/local/src/qemu; \
+  fi
+
+RUN mkdir -p /opt/simde
+WORKDIR /opt/simde
+ENV CCACHE_DIR=/opt/simde/.ccache CCACHE_COMPRESS=1