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make configure store its command line in config.mak for easy re-run

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proper shell quoting and pretty-printing (avoiding ugly gratuitous
quoting and bad quoting style) is included.
This commit is contained in:
Rich Felker 2013-08-16 18:19:47 -04:00
parent 82fa6b43b3
commit 453f462297
1 changed files with 11 additions and 1 deletions
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12
configure vendored
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@ -45,6 +45,12 @@ exit 0
# Helper functions
quote () {
tr '\n' ' ' <<EOF | grep '^[-[:alnum:]_=,./:]* $' >/dev/null 2>&1 && { echo "$1" ; return 0 ; }
$1
EOF
printf %s\\n "$1" | sed -e "s/'/'\\\\''/g" -e "1s/^/'/;\$s/\$/'/" -e "s/^'\([-[:alnum:]_,./:]*\)=\(.*\)\$/\1='\2/"
}
echo () { printf "%s\n" "$*" ; }
fail () { echo "$*" ; exit 1 ; }
fnmatch () { eval "case \"\$2\" in $1) return 0 ;; *) return 1 ;; esac" ; }
@ -421,11 +427,15 @@ fi
printf "creating config.mak... "
cmdline=$(quote "$0")
for i ; do cmdline="$cmdline $(quote "$i")" ; done
exec 3>&1 1>config.mak
cat << EOF
# This version of config.mak was generated by configure
# This version of config.mak was generated by:
# $cmdline
# Any changes made here will be lost if configure is re-run
ARCH = $ARCH
SUBARCH = $SUBARCH