add shared library support to makefile

Author: jeremyhahn

Makefile.am

@@ -1,25 +1,32 @@
 AUTOMAKE_OPTIONS = foreign
+ACLOCAL_AMFLAGS = -I m4
 
 COMMON = src/cwebsocket/utf8.h src/cwebsocket/utf8.c src/cwebsocket/common.h src/cwebsocket/common.c
 ECHO_CLIENT = src/cwebsocket/subprotocol/echo/echo_client.h src/cwebsocket/subprotocol/echo/echo_client.c
 ECHO_SERVER = src/cwebsocket/subprotocol/echo/echo_server.h src/cwebsocket/subprotocol/echo/echo_server.c
+WEBSOCKET_CLIENT = src/cwebsocket/client.h src/cwebsocket/client.c
+WEBSOCKET_SERVER = src/cwebsocket/server.h src/cwebsocket/server.c
 
 bin_PROGRAMS = websocket-client websocket-server websocket-testsuite
-websocket_client_SOURCES = $(ECHO_CLIENT) $(COMMON) src/cwebsocket/client.h src/cwebsocket/client.c src/websocket-client.c
-websocket_server_SOURCES = $(ECHO_SERVER) $(COMMON) src/cwebsocket/server.h src/cwebsocket/server.c src/websocket-server.c
-websocket_testsuite_SOURCES = $(COMMON) src/cwebsocket/client.h src/cwebsocket/client.c src/websocket-testsuite.c
+websocket_client_SOURCES = $(ECHO_CLIENT) $(COMMON) $(WEBSOCKET_CLIENT) src/websocket-client.c
+websocket_server_SOURCES = $(ECHO_SERVER) $(COMMON) $(WEBSOCKET_SERVER) src/websocket-server.c
+websocket_testsuite_SOURCES = $(COMMON) $(WEBSOCKET_CLIENT) src/websocket-testsuite.c
 
 noinst_LIBRARIES = libwsclient.a libwsserver.a
-libwsclient_a_SOURCES = $(ECHO_CLIENT) $(COMMON) src/cwebsocket/client.h src/cwebsocket/client.c
-libwsserver_a_SOURCES = $(ECHO_SERVER) $(COMMON) src/cwebsocket/server.h src/cwebsocket/server.c
+libwsclient_a_SOURCES = $(ECHO_CLIENT) $(COMMON) $(WEBSOCKET_CLIENT)
+libwsserver_a_SOURCES = $(ECHO_SERVER) $(COMMON) $(WEBSOCKET_SERVER)
 
-AM_CFLAGS= -Wall
+AM_CFLAGS = -Wall
 
 if DEBUG
   AM_CFLAGS += -g3
 else
   AM_CFLAGS += -O3
 endif
 
+so:
+	gcc -shared -fPIC $(ECHO_CLIENT) $(WEBSOCKET_CLIENT) -o libwsclient.so
+	gcc -shared -fPIC $(ECHO_SERVER) $(WEBSOCKET_SERVER) -o libwsserver.so
+
 clean:
-	rm -rf libwsclient.a libwsserver.a .gitignore vgcore.* autoscan.log config.h.in config.h config.cache configure install-sh aclocal.m4 autom4te.cache/ config.log config.status Debug/ depcomp .deps/ m4/ Makefile Makefile.in missing stamp-h1 *.o src/*.o *~ websocket-client websocket-server websocket-testsuite
+	rm -rf ltmain.sh libtool config.sub config.guess libwsclient.* libwsserver.* .gitignore vgcore.* autoscan.log config.h.in config.h config.cache configure install-sh aclocal.m4 autom4te.cache/ config.log config.status Debug/ depcomp .deps/ m4/ Makefile Makefile.in missing stamp-h1 *.o src/*.o *~ websocket-client websocket-server websocket-testsuite

autogen.sh

@@ -1,6 +1,5 @@
 #!/bin/sh
 
 aclocal --install -I m4 &&
-  autoconf &&
-  autoheader &&
-  automake --add-missing --copy
+  autoreconf -i &&
+  autoheader

configure.ac

@@ -6,15 +6,18 @@ AC_INIT([cwebsocket], [0.01], [root@localhost])
 AM_INIT_AUTOMAKE([1.9 foreign])
 AC_CONFIG_SRCDIR([src/websocket-client.c])
 AC_CONFIG_HEADERS([config.h])
+AC_CONFIG_MACRO_DIR([m4])
+AC_ENABLE_SHARED
+LT_INIT
 
 if test -z $CFLAGS; then
     CFLAGS=''
 fi
 
 # Checks for programs.
 AC_PROG_CC
-AC_PROG_RANLIB
 AC_PROG_INSTALL
+AC_PROG_LIBTOOL(libtool)
 
 # Remember externally set CFLAGS
 EXTERNAL_CFLAGS="$CFLAGS"