Added --with-sigcomp to tport.

darcs-hash:20050915065625-65a35-888533e79cdad62169499e2dde180ce78ea76810.gz

m4/sac-tport.m4

@@ -2,6 +2,27 @@ dnl ======================================================================
 dnl SAC_TPORT - perform checks for tport
 dnl ======================================================================
 AC_DEFUN([SAC_TPORT], [
+
+AC_ARG_WITH(sigcomp,
+[  --with-sigcomp=dir      use Sofia SigComp package (not used by default)],,
+	with_sigcomp=no)
+
+if test -n "${with_sigcomp}"  ; then
+	if test "${with_sigcomp}" != yes ; then
+		CPPFLAGS="-I${with_sigcomp}/include $CPPFLAGS"
+		LIBS="-L${with_sigcomp}/lib -lsigcomp $LIBS"
+	else
+		LIBS="-lsigcomp $LIBS"
+	fi
+
+	AC_CHECK_HEADERS(sigcomp.h,,AC_MSG_ERROR([cannot find Sofia SigComp includes]))
+
+	AC_CHECK_FUNC(sigcomp_library_2_5,
+            [AC_DEFINE([HAVE_SIGCOMP], 1, [Define this as 1 if you have Sofia sigcomp >= 2.5])
+             AC_DEFINE([HAVE_SOFIA_SIGCOMP], 2.5, [Define this as 1 if you have Sofia sigcomp >= 2.5])], 
+             AC_MSG_ERROR(Sofia SigComp API >= 2.5 was not found))
+fi
+
 # Check for features used by tport.
 AC_SYS_IP_RECVERR
 AC_SYS_IPV6_RECVERR