MISC: support building instruments inside docker

Signed-off-by: Stefan Westerfeld <stefan@space.twc.de>

Author: swesterfeld

misc/Dockerfile

@@ -0,0 +1,8 @@
+FROM gcc:latest
+
+RUN apt-get update && apt-get install -y \
+  libsndfile1-dev libfftw3-dev autoconf-archive ccache \
+  gettext python3-scipy mesa-common-dev libgl-dev parallel zip
+
+ADD . /spectmorph-instruments
+WORKDIR /spectmorph-instruments

misc/build-docker.sh

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+#!/bin/bash
+set -Eeuo pipefail
+
+export CCACHE_DIR=/output/ccache
+export CC="ccache gcc" CXX="ccache g++"
+
+cd spectmorph
+./autogen.sh --without-ao
+make -j$(nproc)
+make install
+cd ..
+./make-dist
+INST_VERSION=$(grep version index.smindex | sed 's/.*"\([0-9a-z.-]*\)"$/\1/g')
+cp spectmorph-instruments-$INST_VERSION.tar.xz /output

misc/make-dist-docker.sh

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+#!/bin/bash
+set -Eeuo pipefail
+
+git clone https://github.com/swesterfeld/spectmorph.git || echo clone fail
+cd spectmorph
+git checkout ae2117f726d4da3a90f1fdb6187e929627b2c27e
+GIT_VERSION=$(git log -1 --format=%cd --date=format:'%Y-%m-%d %H:%M:%S')
+cd ..
+
+docker build -f misc/Dockerfile -t spectmorph-instruments .
+docker run -v $PWD/output:/output -t spectmorph-instruments misc/build-docker.sh
+
+echo "*** used SpectMorph version $GIT_VERSION"
+echo
+echo "next steps:"
+echo " - git tag -a $(git log -1 --format=%cd --date=format:'%Y-%m-%d')"
+echo " - make a release on github"