adds arm32v7 debian based builder image

Makefile

@@ -94,6 +94,11 @@ $(MARCH_ARM32V7)MARCHS += arm32v7
 $(MARCH_ARM32V7)$(BUILDTARGET)TARGETS += arm32v7-ubuntu-builder
 $(OUT)/arm32v7-ubuntu-builder/rules.mk: TARGET := arm32v7-ubuntu-builder
 
+MARCH_ARM32V7 := $(filter-out arm32v7,$(MARCH))
+$(MARCH_ARM32V7)MARCHS += arm32v7
+$(MARCH_ARM32V7)$(BUILDTARGET)TARGETS += arm32v7-debian-builder
+$(OUT)/arm32v7-debian-builder/rules.mk: TARGET := arm32v7-debian-builder
+
 $(MARCH_AMD64)MEMCHECK_TARGETS += $(addprefix memcheck-,$(TARGETS))
 
 ARM_TARGETS = $(filter arm%,$(TARGETS))

build/arm32v7-debian-builder.dockerfile

@@ -0,0 +1,104 @@
+ARG CODENAME=testing-slim
+
+FROM arm32v7/debian:$CODENAME as builder
+
+COPY docker/qemu-arm-static-* /usr/bin/qemu-arm-static
+
+RUN set -x \
+  && apt update \
+  && apt upgrade -y \
+  && apt install --yes --no-install-recommends \
+       build-essential \
+       cmake \
+       ninja-build \
+       pkg-config \
+       rsync \
+       gdb \
+       gdbserver
+
+COPY src /usr/local/src
+
+ARG PARALLELMFLAGS=-j2
+
+ARG DUMB_INIT_VERISON=1.2.2
+
+RUN set -x \
+  && builddeps="xxd" \
+  && apt install --yes --no-install-recommends $builddeps \
+  && builddir="/tmp/out" \
+  && mkdir -p "$builddir" \
+  && cd "$builddir" \
+  && cp -R "/usr/local/src/dumb-init-$DUMB_INIT_VERISON" . \
+  && cd dumb-init-$DUMB_INIT_VERISON \
+  && make "$PARALLELMFLAGS" \
+  && chmod +x dumb-init \
+  && mv dumb-init /usr/local/bin/dumb-init \
+  && dumb-init --version \
+  && rm -rf "$builddir" \
+  && apt purge -y $builddeps
+
+ARG GTEST_VERSION=1.8.1
+
+RUN set -x \
+  && builddir="/tmp/out" \
+  && mkdir -p "$builddir" \
+  && cd "$builddir" \
+  && cmake "/usr/local/src/googletest-release-$GTEST_VERSION" \
+  && make "$PARALLELMFLAGS" install \
+  && rm -rf "$builddir"
+
+ARG FUSE_VERSION=3.1.1
+
+RUN set -x \
+  && builddeps="libtool automake gettext" \
+  && apt install --yes --no-install-recommends $builddeps \
+  && cd "/usr/local/src/libfuse-fuse-$FUSE_VERSION" \
+  && ./makeconf.sh \
+  && builddir="/tmp/out" \
+  && mkdir -p "$builddir" \
+  && cd "$builddir" \
+  && "/usr/local/src/libfuse-fuse-$FUSE_VERSION/configure" \
+  && make "$PARALLELMFLAGS" install \
+  && rm -rf "$builddir" \
+  && apt purge -y $builddeps
+
+ARG WEBSOCKETS_VERSION=3.1.0
+
+RUN set -x \
+  && apt install --yes --no-install-recommends \
+       ca-certificates \
+       openssl \
+       libssl-dev \
+  && builddir="/tmp/out" \
+  && mkdir -p "$builddir" \
+  && cd "$builddir" \
+  && cmake "/usr/local/src/libwebsockets-$WEBSOCKETS_VERSION" \
+  && make "$PARALLELMFLAGS" install \
+  && rm -rf "$builddir"
+
+ARG JANSSON_VERSION=2.12
+
+RUN set -x \
+  && builddir="/tmp/out" \
+  && mkdir -p "$builddir" \
+  && cd "$builddir" \
+  && cmake -DJANSSON_BUILD_DOCS=OFF "/usr/local/src/jansson-$JANSSON_VERSION" \
+  && make "$PARALLELMFLAGS" install \
+  && rm -rf "$builddir"
+
+ENV LD_LIBRARY_PATH="$LD_LIBRARY_PATH:/usr/local/lib"
+
+ARG USERID=1000
+
+ARG PROJECT_ROOT=/workspace/src
+ARG OUT=/workspace/out
+
+RUN set -x \
+  && useradd -u "$USERID" -ms /bin/bash user \
+  && mkdir -p "$PROJECT_ROOT" "$OUT" \
+  && chown user:user "$PROJECT_ROOT" "$OUT"
+
+WORKDIR "$OUT"
+
+ENTRYPOINT ["dumb-init", "--"]
+