--- configure.ac.old	2018-02-20 01:24:55.000000000 +0400

+++ configure.ac	2019-02-26 12:07:37.005256992 +0400

@@ -1692,6 +1692,29 @@

 The above user and group must have read/write access to the state file

 directory and to the config files in the config file directory."

+echo "

+Quagga configuration

+--------------------

+quagga version          : ${PACKAGE_VERSION}

+host operating system   : ${host_os}

+source code location    : ${srcdir}

+compiler                : ${CC}

+compiler flags          : ${CFLAGS}

+make                    : ${MAKE-make}

+linker flags            : ${LDFLAGS} ${LIBS} ${LIBCAP} ${LIBREADLINE} ${LIBM}

+state file directory    : ${quagga_statedir}

+config file directory   : `eval echo \`echo ${sysconfdir}\``

+example directory       : `eval echo \`echo ${exampledir}\``

+user to run as		: ${enable_user}

+group to run as		: ${enable_group}

+group for vty sockets	: ${enable_vty_group}

+config file mask        : ${enable_configfile_mask}

+log file mask           : ${enable_logfile_mask}

+zebra protobuf enabled  : ${have_protobuf:-no}

+

+The above user and group must have read/write access to the state file

+directory and to the config files in the config file directory." > README-build-config

+

 if test x"$quagga_cv_gnu_make" = x"no"; then echo "

 Warning: The ${MAKE-make} programme detected, either in your path or

 via the MAKE variable, is not GNU Make. GNU make may be installed as