autotools: Initial version

Using autotools (autoreconf) to build SwSS project.

Usage:
  ./autogen.sh
  ./configure --prefix=out [--enable-debug]
  make -j `nproc` && make install

Signed-off-by: Elad Raz <eladr@mellanox.com>

autogen.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+
+if [ `uname` == "Darwin" ]; then
+    LIBTOOLIZE=glibtoolize
+else
+    LIBTOOLIZE=libtoolize
+fi
+
+touch NEWS README AUTHORS COPYING ChangeLog
+$LIBTOOLIZE --force --copy &&
+autoreconf --force --install -I m4
+rm -Rf autom4te.cache
+

config/.gitignore

@@ -0,0 +1,5 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
+

configure.ac

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+AC_INIT([sonic-swss],[1.0])
+AC_CONFIG_SRCDIR([])
+AC_CONFIG_AUX_DIR(config)
+AM_CONFIG_HEADER(config.h)
+AM_INIT_AUTOMAKE
+AC_LANG_C
+AC_LANG([C++])
+AC_PROG_CC
+AC_PROG_CXX
+AC_PROG_LIBTOOL
+AC_HEADER_STDC
+
+AC_CHECK_LIB([hiredis], [redisConnect])
+AC_CHECK_LIB([nl-genl-3], [genl_connect])
+
+AC_ARG_ENABLE(debug,
+[  --enable-debug      Compile with debugging flags],
+[case "${enableval}" in
+	yes) debug=true ;;
+	no)  debug=false ;;
+	*) AC_MSG_ERROR(bad value ${enableval} for --enable-debug) ;;
+esac],[debug=false])
+AM_CONDITIONAL(DEBUG, test x$debug = xtrue)
+
+CFLAGS_COMMON="-std=c++11 -Wall -fPIC -Wno-write-strings -I/usr/include/libnl3"
+AC_SUBST(CFLAGS_COMMON)
+
+AC_CONFIG_FILES([
+    Makefile
+])
+
+AC_OUTPUT

m4/.gitignore

@@ -0,0 +1,5 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
+