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Merge #21078: guix: only download sources for hosts being built

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a6a1b106dcc4350e420c461171c47e4934087175 guix: only download sources for hosts being built (fanquake)

Pull request description:

  For example, if a user is only interested in building for Linux, this saves downloading the macOS compiler and additional dependencies, which is meaningful on a slow/poor connection. This will result in a few additional `make` invocations, for the Linux hosts, however this is low overhead, and time-wise irrelevant in terms of the overall build.

ACKs for top commit:
  laanwj:
    Code review ACK a6a1b106dcc4350e420c461171c47e4934087175

Tree-SHA512: 34c916ae6f69fed0d5845690b39111a8bee37208fd727176f375cf5eb4860f512abe12bde2680d697c859b4d50a3bc5688ddca7c2f28f9968fcf358753cf3f6d
This commit is contained in:
fanquake 2021-02-23 10:46:36 +08:00 committed by PastaPastaPasta
parent 9c8f5f71dc
commit 12a586e35a
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)}"