Autoconf and Automake files for compiling and installing the library

Makefile.in

@@ -1,11 +1,11 @@
 CXX=@CXX@
-CFLAGS=-c -Wall @CFLAGS@ -DTINS_VERSION=@PACKAGE_VERSION@
-LDFLAGS=-lpcap
+CFLAGS=-c -Wall -fPIC @CFLAGS@ -DTINS_VERSION=@PACKAGE_VERSION@
+LDFLAGS=-lpcap -shared -Wl,-soname,libtins.so
 SOURCES=$(wildcard src/*.cpp)
 
 OBJECTS=$(SOURCES:.cpp=.o)
-INCLUDE = -Iinclude/
-EXECUTABLE=client
+INCLUDE=-Iinclude/
+EXECUTABLE=libtins.so
 
 all: $(SOURCES) $(EXECUTABLE)
 
@@ -21,3 +21,9 @@ $(EXECUTABLE): $(OBJECTS)
 
 clean:
 	rm $(OBJECTS) $(EXECUTABLE)
+
+install:
+	rm -r /usr/include/tins
+	mkdir /usr/include/tins
+	cp include/*.h /usr/include/tins/
+	cp $(EXECUTABLE) /usr/lib/

configure

@@ -1586,6 +1586,52 @@ $as_echo "$ac_res" >&6; }
   eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
 
 } # ac_fn_cxx_check_header_compile
+
+# ac_fn_cxx_try_link LINENO
+# -------------------------
+# Try to link conftest.$ac_ext, and return whether this succeeded.
+ac_fn_cxx_try_link ()
+{
+  as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+  rm -f conftest.$ac_objext conftest$ac_exeext
+  if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>conftest.err
+  ac_status=$?
+  if test -s conftest.err; then
+    grep -v '^ *+' conftest.err >conftest.er1
+    cat conftest.er1 >&5
+    mv -f conftest.er1 conftest.err
+  fi
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; } && {
+	 test -z "$ac_cxx_werror_flag" ||
+	 test ! -s conftest.err
+       } && test -s conftest$ac_exeext && {
+	 test "$cross_compiling" = yes ||
+	 $as_test_x conftest$ac_exeext
+       }; then :
+  ac_retval=0
+else
+  $as_echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+	ac_retval=1
+fi
+  # Delete the IPA/IPO (Inter Procedural Analysis/Optimization) information
+  # created by the PGI compiler (conftest_ipa8_conftest.oo), as it would
+  # interfere with the next link command; also delete a directory that is
+  # left behind by Apple's compiler.  We do this before executing the actions.
+  rm -rf conftest.dSYM conftest_ipa8_conftest.oo
+  eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+  as_fn_set_status $ac_retval
+
+} # ac_fn_cxx_try_link
 cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
@@ -2854,19 +2900,65 @@ fi
 done
 
 
-for ac_header
+for ac_header in pcap.h
 do :
-  as_ac_Header=`$as_echo "ac_cv_header_$ac_header" | $as_tr_sh`
-ac_fn_cxx_check_header_mongrel "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default"
-if eval test \"x\$"$as_ac_Header"\" = x"yes"; then :
+  ac_fn_cxx_check_header_mongrel "$LINENO" "pcap.h" "ac_cv_header_pcap_h" "$ac_includes_default"
+if test "x$ac_cv_header_pcap_h" = x""yes; then :
   cat >>confdefs.h <<_ACEOF
-#define `$as_echo "HAVE_$ac_header" | $as_tr_cpp` 1
+#define HAVE_PCAP_H 1
 _ACEOF
 
 fi
 
 done
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for pcap_loop in -lpcap" >&5
+$as_echo_n "checking for pcap_loop in -lpcap... " >&6; }
+if test "${ac_cv_lib_pcap_pcap_loop+set}" = set; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lpcap  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+/* Override any GCC internal prototype to avoid an error.
+   Use char because int might match the return type of a GCC
+   builtin and then its argument prototype would still apply.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+char pcap_loop ();
+int
+main ()
+{
+return pcap_loop ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_cxx_try_link "$LINENO"; then :
+  ac_cv_lib_pcap_pcap_loop=yes
+else
+  ac_cv_lib_pcap_pcap_loop=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_pcap_pcap_loop" >&5
+$as_echo "$ac_cv_lib_pcap_pcap_loop" >&6; }
+if test "x$ac_cv_lib_pcap_pcap_loop" = x""yes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBPCAP 1
+_ACEOF
+
+  LIBS="-lpcap $LIBS"
+
+else
+  as_fn_error $? "pcap library is needed!" "$LINENO" 5
+fi
+
 
 ac_config_files="$ac_config_files Makefile"
 

configure.ac

@@ -3,13 +3,14 @@ AC_INIT(myconfig, 0.1)
 AC_PROG_CXX()
 AC_LANG(C++)
 
-if test -n "$debug" 
+if test -n "$debug"
 then
     CFLAGS="-DDEBUG -g"
 else
     CFLAGS="-O3"
 fi
 
-AC_CHECK_HEADERS([])
+AC_CHECK_HEADERS([pcap.h])
+AC_CHECK_LIB(pcap, pcap_loop, [], [AC_MSG_ERROR([pcap library is needed!])])
 AC_SUBST(CFLAGS)
 AC_OUTPUT(Makefile)