Compile busybox from source, providing more utilities

This commit is contained in:
Joe Groocock 2017-08-09 21:16:39 +01:00
parent 56a0d41c1a
commit a8a3401491

View File

@ -17,17 +17,15 @@ RUN apt-get update -qy && \
apt-get install -qy curl build-essential gawk linux-libc-dev && \ apt-get install -qy curl build-essential gawk linux-libc-dev && \
mkdir -p bin dev etc home lib proc root sbin tmp usr/bin usr/sbin usr/lib var && \ mkdir -p bin dev etc home lib proc root sbin tmp usr/bin usr/sbin usr/lib var && \
# This is probably only relevant on 64bit systems? # This is probably only relevant on 64bit systems?
ln -sv usr/lib usr/lib64 && \
ln -sv lib lib64 ln -sv lib lib64
# Pull busybox and some other utilities # Pull tini and su-exec utilities
RUN curl -sSL https://busybox.net/downloads/binaries/${BUSYB_VER}-${ARCH_ALT}/busybox > bin/busybox && \ RUN curl -sSL https://github.com/javabean/su-exec/releases/download/${SU_EXEC_VER}/su-exec.amd64 > sbin/su-exec && \
curl -sSL https://github.com/javabean/su-exec/releases/download/${SU_EXEC_VER}/su-exec.amd64 > sbin/su-exec && \
curl -sSL https://github.com/krallin/tini/releases/download/${TINI_VER}/tini-amd64 > sbin/tini && \ curl -sSL https://github.com/krallin/tini/releases/download/${TINI_VER}/tini-amd64 > sbin/tini && \
chmod +x bin/busybox sbin/su-exec sbin/tini && \ chmod +x sbin/su-exec sbin/tini
# "Install" busybox, creating symlinks to all binaries it provides
bin/busybox --list-full | xargs -i ln -s /bin/busybox "${PREFIX}/{}"
WORKDIR /tmp WORKDIR /tmp/glibc
ARG CFLAGS="-Os -pipe -fstack-protector-strong" ARG CFLAGS="-Os -pipe -fstack-protector-strong"
ARG LDFLAGS="-Wl,-O1,--sort-common -Wl,-s" ARG LDFLAGS="-Wl,-O1,--sort-common -Wl,-s"
@ -67,6 +65,18 @@ RUN cp -d glibc-build/out/lib/*.so "${PREFIX}/lib" && \
echo '/usr/lib' > "${PREFIX}/etc/ld.so.conf" && \ echo '/usr/lib' > "${PREFIX}/etc/ld.so.conf" && \
ldconfig -r "${PREFIX}" ldconfig -r "${PREFIX}"
WORKDIR /tmp/busybox
# Download and build busybox from source
RUN curl -sSL https://busybox.net/downloads/busybox-${BUSYB_VER}.tar.bz2 \
| tar xj --strip-components=1 && \
# Use default configuration
make defconfig && \
make && \
cp busybox "${PREFIX}/bin" && \
# "Install" busybox, creating symlinks to all binaries it provides
bin/busybox --list-full | xargs -i ln -s /bin/busybox "${PREFIX}/{}"
WORKDIR $PREFIX WORKDIR $PREFIX
# Add default skeleton configuration files # Add default skeleton configuration files