Escape single quotes and newlines when writing configure arguments to config-host.mak. This is necessary to allow correct regeneration by re-executing configure in a shell when config-host.mak becomes out-of-date.
Signed-off-by: Gabriel Kerneis <gabr...@kerneis.info> --- configure | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/configure b/configure index 23dbaaf..fba7c1f 100755 --- a/configure +++ b/configure @@ -3769,7 +3769,11 @@ echo "# Automatically generated by configure - do not modify" >config-all-disas. echo "# Automatically generated by configure - do not modify" > $config_host_mak printf "# Configured with:" >> $config_host_mak -printf " '%s'" "$0" "$@" >> $config_host_mak +for arg in "$0" "$@"; do + # join each arg on a single line, escaping newlines and single quotes + quoted_arg=$(echo "$arg" | sed ":a;N;s/\n/\\\\n/;ba" | sed "s/'/'\\\\''/g") + printf " '%s'" "$quoted_arg" +done >> $config_host_mak echo >> $config_host_mak echo all: >> $config_host_mak -- 1.8.4.rc3
