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build: Make autogen.sh more POSIX friendly. 

* autogen.sh: Replace non POSIX "cp -a" and "head -c".
--

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2017-01-12 09:58:57 +01:00
parent 97372b39cd
commit 3c00b52f7c
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GPG Key ID: E3FDFF218E45B72B
1 changed files with 6 additions and 3 deletions
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autogen.sh
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@ -225,7 +225,7 @@ if [ "$myhost" = "find-version" ]; then
fi
[ -n "$tmp" ] && beta=yes
rev=$(git rev-parse --short HEAD | tr -d '\n\r')
rvd=$((0x$(echo ${rev} | head -c 4)))
rvd=$((0x$(echo ${rev} | dd bs=1 count=2 2>/dev/null)))
else
ingit=no
beta=yes
@ -417,8 +417,11 @@ fi
# Check the git setup.
if [ -d .git ]; then
CP="cp -a"
[ -z "${SILENT}" ] && CP="$CP -v"
CP="cp -p"
# If we have a GNU cp we can add -v
if cp --version >/dev/null 2>/dev/null; then
[ -z "${SILENT}" ] && CP="$CP -v"
fi
if [ -f .git/hooks/pre-commit.sample -a ! -f .git/hooks/pre-commit ] ; then
[ -z "${SILENT}" ] && cat <<EOF
*** Activating trailing whitespace git pre-commit hook. ***