autogen: add --with-rootlibdir= and switch /usr/local to /usr

autogen.sh

@@ -68,11 +68,12 @@ else
 
     if [ "x$1" != "xac" ]; then
         CFLAGS="$CFLAGS -g -O0" ./configure \
+          --with-rootprefix= \
           --sysconfdir=/etc \
           --localstatedir=/var \
+          --libdir=$(libdir /usr/lib) \
+          --with-rootlibdir=$(libdir /lib) \
           --libexecdir=/usr/lib \
-          --libdir=$(libdir /usr/local/lib) \
-          --with-rootprefix= \
           "$@"
         make clean
     fi

configure.ac

@@ -649,6 +649,7 @@ AC_MSG_RESULT([
         plymouth:                ${have_plymouth}
         prefix:                  ${prefix}
         rootprefix:              ${with_rootprefix}
+        libexec dir:             ${libexecdir}
         lib dir:                 ${libdir}
         rootlib dir:             ${with_rootlibdir}
         pam modules dir:         ${with_pamlibdir}