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Merged
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Dec 15, 2015
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Build with gcc 5.3 #24

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54 changes: 54 additions & 0 deletions 5.3/Dockerfile
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FROM buildpack-deps:jessie

# https://gcc.gnu.org/mirrors.html
ENV GPG_KEYS \
B215C1633BCA0477615F1B35A5B3A004745C015A \
B3C42148A44E6983B3E4CC0793FA9B1AB75C61B8 \
90AA470469D3965A87A5DCB494D03953902C9419 \
80F98B2E0DAB6C8281BDF541A7C8C3B2F71EDF1C \
7F74F97C103468EE5D750B583AB00996FC26A641 \
33C235A34C46AA3FFB293709A328C3A2C3C45C06
RUN set -xe \
&& for key in $GPG_KEYS; do \
gpg --keyserver ha.pool.sks-keyservers.net --recv-keys "$key"; \
done

# Last Modified:
ENV GCC_VERSION 5.3.0
# Docker EOL:

# "download_prerequisites" pulls down a bunch of tarballs and extracts them,
# but then leaves the tarballs themselves lying around
RUN buildDeps='flex' \
&& set -x \
&& apt-get update && apt-get install -y $buildDeps --no-install-recommends \
&& rm -r /var/lib/apt/lists/* \
&& curl -fSL "http://ftpmirror.gnu.org/gcc/gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.bz2" -o gcc.tar.bz2 \
&& curl -fSL "http://ftpmirror.gnu.org/gcc/gcc-$GCC_VERSION/gcc-$GCC_VERSION.tar.bz2.sig" -o gcc.tar.bz2.sig \
&& gpg --verify gcc.tar.bz2.sig \
&& mkdir -p /usr/src/gcc \
&& tar -xf gcc.tar.bz2 -C /usr/src/gcc --strip-components=1 \
&& rm gcc.tar.bz2* \
&& cd /usr/src/gcc \
&& ./contrib/download_prerequisites \
&& { rm *.tar.* || true; } \
&& dir="$(mktemp -d)" \
&& cd "$dir" \
&& /usr/src/gcc/configure \
--disable-multilib \
--enable-languages=c,c++,go \
&& make -j"$(nproc)" \
&& make install-strip \
&& cd .. \
&& rm -rf "$dir" \
&& apt-get purge -y --auto-remove $buildDeps

# gcc installs .so files in /usr/local/lib64...
RUN echo '/usr/local/lib64' > /etc/ld.so.conf.d/local-lib64.conf \
&& ldconfig -v

# ensure that alternatives are pointing to the new compiler and that old one is no longer used
RUN set -x \
&& dpkg-divert --divert /usr/bin/gcc.orig --rename /usr/bin/gcc \
&& dpkg-divert --divert /usr/bin/g++.orig --rename /usr/bin/g++ \
&& update-alternatives --install /usr/bin/cc cc /usr/local/bin/gcc 999