Don't use sudo when building a Debian package unless the user is non-root

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1381 632fc199-4ca6-4c93-a231-07263d6284db

release/makedpkg.in

@@ -7,14 +7,20 @@ trap onexit TERM
 trap onexit EXIT
 
 TMPDIR=
+SUDO=
 
 onexit()
 {
 	if [ ! "$TMPDIR" = "" ]; then
-		sudo rm -rf $TMPDIR
+		$SUDO rm -rf $TMPDIR
 	fi
 }
 
+uid()
+{
+	id | cut -f2 -d = | cut -f1 -d \(;
+}
+
 makedeb()
 {
 	SUPPLEMENT=$1
@@ -53,7 +59,7 @@ makedeb()
 
 	/sbin/ldconfig -n $TMPDIR$LIBDIR
 
-	sudo chown -Rh root:root $TMPDIR/*
+	$SUDO chown -Rh root:root $TMPDIR/*
 	dpkg -b $TMPDIR $PACKAGE_NAME\_$VERSION\_$DEBARCH.deb
 }
 
@@ -66,6 +72,10 @@ PREFIX=%{__prefix}
 DOCDIR=%{__docdir}
 LIBDIR=%{__libdir}
 
+if [ ! `uid` -eq 0 ]; then
+	SUDO=sudo
+fi
+
 makedeb 0
 if [ "$DEBARCH" = "i386" ]; then makedeb 1; fi