configure: support --prefix=...

It's like passing PREFIX=... on the command line

1 files changed, 8 insertions, 7 deletions

diff --git a/configure b/configure
index 20cb846..83991af 100755
--- a/configure
+++ b/configure
@@ -127,13 +127,14 @@ for keyvals in "$@"; do
 	fi
 	val=`echo $keyvals | cut -d '=' -f 2-`
 	case "$key" in
-		BINDIR)  BINDIR="$val" ;;
-		CC)      CC="$val" ;;
-		CFLAGS)  CFLAGS="$val" ;;
-		DESTDIR) DESTDIR="$val" ;;
-		LDFLAGS) LDFLAGS="$val" ;;
-		PREFIX)  PREFIX="$val" ;;
-		YACC)    YACC="$val" ;;
+		BINDIR)   BINDIR="$val" ;;
+		CC)       CC="$val" ;;
+		CFLAGS)   CFLAGS="$val" ;;
+		DESTDIR)  DESTDIR="$val" ;;
+		LDFLAGS)  LDFLAGS="$val" ;;
+		PREFIX)   PREFIX="$val" ;;
+		YACC)     YACC="$val" ;;
+		--prefix) PREFIX="$val" ;;
 		*)
 			echo "$0: invalid key: $key" 1>&2
 			exit 1