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#!/usr/bin/env bash
export LC_ALL=C
set -e -o pipefail
# Determine the maximum number of jobs to run simultaneously (overridable by
# environment)
MAX_JOBS="${MAX_JOBS:-$(nproc)}"
# Download the depends sources now as we won't have internet access in the build
# container
make -C "${PWD}/depends" -j"$MAX_JOBS" download ${V:+V=1} ${SOURCES_PATH:+SOURCES_PATH="$SOURCES_PATH"}
# Determine the reference time used for determinism (overridable by environment)
SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(git log --format=%at -1)}"
# Deterministically build Bitcoin Core for HOSTs (overriable by environment)
for host in ${HOSTS=i686-linux-gnu x86_64-linux-gnu arm-linux-gnueabihf aarch64-linux-gnu riscv64-linux-gnu}; do
# Display proper warning when the user interrupts the build
trap 'echo "** INT received while building ${host}, you may want to clean up the relevant output and distsrc-* directories before rebuilding"' INT
# Run the build script 'contrib/guix/libexec/build.sh' in the build
# container specified by 'contrib/guix/manifest.scm'
# shellcheck disable=SC2086
guix environment --manifest="${PWD}/contrib/guix/manifest.scm" \
--container \
--pure \
--no-cwd \
--share="$PWD"=/bitcoin \
${SOURCES_PATH:+--share="$SOURCES_PATH"} \
${ADDITIONAL_GUIX_ENVIRONMENT_FLAGS} \
-- env HOST="$host" \
MAX_JOBS="$MAX_JOBS" \
SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:?unable to determine value}" \
${V:+V=1} \
${SOURCES_PATH:+SOURCES_PATH="$SOURCES_PATH"} \
bash -c "cd /bitcoin && bash contrib/guix/libexec/build.sh"
done
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