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guix: only download sources for hosts being built

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If a user is only interested in building for Linux, this saves
downloading the macOS compiler and additional dependencies.

This will result in a few additional `make` invocations, for the Linux
hosts, however this is quite low overhead.

Co-authored-by: Carl Dong <contact@carldong.me>
This commit is contained in:
fanquake 2021-02-01 11:54:40 +08:00
parent 5bb64acd9d
commit a6a1b106dc
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GPG key ID: 2EEB9F5CC09526C1
1 changed files with 16 additions and 1 deletions
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17
contrib/guix/guix-build.sh
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@ -136,9 +136,24 @@ done
# environment)
MAX_JOBS="${MAX_JOBS:-$(nproc)}"
# Usage: host_to_commonname HOST
#
# HOST: The current platform triple we're building for
#
host_to_commonname() {
case "$1" in
*darwin*) echo osx ;;
*mingw*) echo win ;;
*linux*) echo linux ;;
*) exit 1 ;;
esac
}
# Download the depends sources now as we won't have internet access in the build
# container
make -C "${PWD}/depends" -j"$MAX_JOBS" download ${V:+V=1} ${SOURCES_PATH:+SOURCES_PATH="$SOURCES_PATH"}
for host in $HOSTS; do
make -C "${PWD}/depends" -j"$MAX_JOBS" download-"$(host_to_commonname "$host")" ${V:+V=1} ${SOURCES_PATH:+SOURCES_PATH="$SOURCES_PATH"}
done
# Determine the reference time used for determinism (overridable by environment)
SOURCE_DATE_EPOCH="${SOURCE_DATE_EPOCH:-$(git log --format=%at -1)}"