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use runtime-built sha256sum

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Brett Jia 2025-02-08 19:04:41 -05:00 • committed by GitHub
parent cacfecc92d
commit 617a408ae7
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1 changed files with 7 additions and 23 deletions
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30
tool/cosmocc/package.sh
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@ -209,31 +209,15 @@ fetch() {
sha256sum() {
shasum -a 256 "$@"
}
else
if [ ! -f build/sha256sum.c ]; then
printf '%s\n' "$0: fatal error: you need to install sha256sum" >&2
printf '%s\n' "please download https://cosmo.zip/pub/cosmos/bin/sha256sum and put it on the system path" >&2
abort
fi
if ! SHA256SUM=$(command -v "$PWD/o/build/sha256sum" 2>/dev/null); then
if ! CC=$(command -v "$CC" 2>/dev/null); then
if ! CC=$(command -v cc 2>/dev/null); then
if ! CC=$(command -v cosmocc 2>/dev/null); then
printf '%s\n' "$0: fatal error: you need to install either sha256sum, cc, or cosmocc" >&2
printf '%s\n' "please download https://cosmo.zip/pub/cosmos/bin/sha256sum and put it on the system path" >&2
abort
fi
fi
fi
mkdir -p o/build || abort
SHA256SUM="$PWD/o/build/sha256sum"
printf '%s\n' "${CC} -w -O2 -o ${SHA256SUM} build/sha256sum.c" >&2
"${CC}" -w -O2 -o "${SHA256SUM}.$$" build/sha256sum.c || abort
mv -f "${SHA256SUM}.$$" "${SHA256SUM}" || abort
fi
elif command -v "$PWD/o/build/sha256sum" >/dev/null 2>&1; then
# should have been built by download-cosmocc.sh if a system
# sha256sum/shasum does not exist
sha256sum() {
"${SHA256SUM}" "$@"
"$PWD/o/build/sha256sum" "$@"
}
else
echo please install sha256sum >&2
exit 1
fi
filename=$(basename $1)