Cleaned AC_DEFINE comments in configure.ac and m4 files.

darcs-hash:20060426174112-65a35-afdb723a27ac6c8468e1c945defc5ce2d8a9d1dd.gz

configure.ac

@@ -62,9 +62,9 @@ SAC_SU
 
 ### internal modules
 ### ----------------
-AC_DEFINE([HAVE_SOFIA_SIP], 1, [Define as 1 always])
-AC_DEFINE([HAVE_SOFIA_SRESOLV], 1, [Define as 1 if we use DNS library])
-AC_DEFINE([HAVE_SOFIA_SMIME], 0, [Define as 1 if we use S/MIME library])
+AC_DEFINE([HAVE_SOFIA_SIP], 1, [Define to 1 always])
+AC_DEFINE([HAVE_SOFIA_SRESOLV], 1, [Define to 1 if we use DNS library])
+AC_DEFINE([HAVE_SOFIA_SMIME], 0, [Define to 1 if we use S/MIME library])
 
 dnl Disable stun by default while it is broken
 AC_ARG_ENABLE(stun,
@@ -76,9 +76,9 @@ if test x$enable_stun = xno ; then
 elif test x${HAVE_OPENSSL} != x1 ; then
   dnl compile STUN only if OPENSSL is available
   AC_MSG_WARN([** TLS support for STUN disabled as OpenSSL headers and/or libraries were not found **])
-  AC_DEFINE([HAVE_SOFIA_STUN], 1, [Define as 1 if we use STUN library])
+  AC_DEFINE([HAVE_SOFIA_STUN], 1, [Define to 1 if we use STUN library])
 else
-  AC_DEFINE([HAVE_SOFIA_STUN], 1, [Define as 1 if we use STUN library])
+  AC_DEFINE([HAVE_SOFIA_STUN], 1, [Define to 1 if we use STUN library])
 fi
 
 dnl Disable NTLM support by default
@@ -87,13 +87,13 @@ AC_ARG_ENABLE(ntlm,
  , enable_ntlm=no)
 
 if test x$enable_ntlm = xyes ; then
-  AC_DEFINE([HAVE_SOFIA_NTLM], 1, [Define as 1 if we use NTLM library])
+  AC_DEFINE([HAVE_SOFIA_NTLM], 1, [Define to 1 if we use NTLM library])
 fi
 AM_CONDITIONAL([HAVE_NTLM], [test "x$enable_ntlm" = xyes])
 
 
-AC_DEFINE([HAVE_SRTP], 0, [Define as 1 if we use SRTP])
-AC_DEFINE([HAVE_UPNP], 0, [Define as 1 if we use UPnP])
+AC_DEFINE([HAVE_SRTP], 0, [Define to 1 if we use SRTP])
+AC_DEFINE([HAVE_UPNP], 0, [Define to 1 if we use UPnP])
 
 ### checks for header files
 ### -----------------------
@@ -102,7 +102,7 @@ AC_HEADER_STDC
 ### checks for declarations
 ### -----------------------
 AC_CHECK_DECL([SIGPIPE], [
-AC_DEFINE([HAVE_SIGPIPE], 1, [Define as 1 if you have SIGPIPE])],,[
+AC_DEFINE([HAVE_SIGPIPE], 1, [Define to 1 if you have SIGPIPE])],,[
 #include <signal.h>
 ])
 
@@ -111,9 +111,9 @@ AC_DEFINE([HAVE_SIGPIPE], 1, [Define as 1 if you have SIGPIPE])],,[
 
 AC_TYPE_SIGNAL
 AC_TYPE_LONGLONG([
-AC_DEFINE([LLU], ["%llu"], [Define as format (%llu) for unsigned long long])dnl
-AC_DEFINE([LLI], ["%lli"], [Define as format (%lli) for long long])dnl
-AC_DEFINE([LLX], ["%llx"], [Define as format (%llx) for long long hex])dnl
+AC_DEFINE([LLU], ["%llu"], [Define to format (%llu) for unsigned long long])dnl
+AC_DEFINE([LLI], ["%lli"], [Define to format (%lli) for long long])dnl
+AC_DEFINE([LLX], ["%llx"], [Define to format (%llx) for long long hex])dnl
 ])
 
 ### checks for structures

m4/sac-general.m4

@@ -165,7 +165,7 @@ AC_CACHE_CHECK([for sockaddr_in6],
   ac_cv_sin6=yes, ac_cv_sin6=no)])
 if test $ac_cv_sin6 = yes ;then
 	AC_DEFINE([HAVE_SIN6], 1, 
-		[Define this as 1 if you have IPv6 structures and constants])
+		[Define to 1 if you have IPv6 structures and constants])
 fi
 ])
 
@@ -181,7 +181,7 @@ AC_CACHE_CHECK([for sa_len],
   ac_cv_sa_len=yes,ac_cv_sa_len=no)])
 if test "$ac_cv_sa_len" = yes ;then
 	AC_DEFINE([HAVE_SA_LEN], 1, 
-		[Define this as 1 if you have sa_len in struct sockaddr])
+		[Define to 1 if you have sa_len in struct sockaddr])
 fi
 ])
 
@@ -201,7 +201,7 @@ int main() {
 ], ac_cv_flag_msg_nosignal=yes, ac_cv_flag_msg_nosignal=no)])
 if test "$ac_cv_flag_msg_nosignal" = yes ; then
 	AC_DEFINE([HAVE_MSG_NOSIGNAL], 1,
-		[Define this as 1 if you have MSG_NOSIGNAL flag for send()]) 
+		[Define to 1 if you have MSG_NOSIGNAL flag for send()]) 
 fi
 ])dnl
 
@@ -221,7 +221,7 @@ int main() {
 ], ac_cv_flag_msg_errqueue=yes, ac_cv_flag_msg_errqueue=no)])
 if test "$ac_cv_flag_msg_errqueue" = yes; then
 	AC_DEFINE([HAVE_MSG_ERRQUEUE], 1,
-		[Define this as 1 if you have MSG_ERRQUEUE flag for send()]) 
+		[Define to 1 if you have MSG_ERRQUEUE flag for send()]) 
 fi
 ])dnl
 
@@ -244,7 +244,7 @@ AC_TRY_COMPILE([
 ac_cv_sys_ip_recverr=no)])
 if test "$ac_cv_sys_ip_recverr" = yes ; then
 	AC_DEFINE([HAVE_IP_RECVERR], 1, 
-		[Define this as 1 if you have IP_RECVERR in <netinet/in.h>])
+		[Define to 1 if you have IP_RECVERR in <netinet/in.h>])
 fi
 ])dnl
 
@@ -266,7 +266,7 @@ AC_TRY_COMPILE([
 ], ac_cv_sys_ipv6_recverr=yes, ac_cv_sys_ipv6_recverr=no)])
 if test "$ac_cv_sys_ipv6_recverr" = yes ; then
 	AC_DEFINE([HAVE_IPV6_RECVERR], 1,
-		[Define this as 1 if you have IPV6_RECVERR in <netinet/in6.h>])
+		[Define to 1 if you have IPV6_RECVERR in <netinet/in6.h>])
 fi
 ])dnl
 
@@ -316,7 +316,7 @@ AC_DEFUN([AX_CHECK_HEADERS_IN],
 do
 AX_CHECK_HEADER_IN($ax_hdr, $2,
 [ ax_tr_hdr=HAVE_`echo $ax_hdr | sed 'y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%'`
-  AC_DEFINE_UNQUOTED($ax_tr_hdr, 1, [Define 1 if you have the <$ax_hdr> header file])
+  AC_DEFINE_UNQUOTED($ax_tr_hdr, 1, [Define to 1 if you have the <$ax_hdr> header file])
   $3], $4)dnl
 done
 ])
@@ -350,7 +350,7 @@ char *s = __func__;
 }],
 ac_cv_c_var_func=yes, ac_cv_c_var_func=no))
 if test $ac_cv_c_var_func = "yes"; then
-AC_DEFINE([HAVE_FUNC], 1, [Define as 1 if the C compiler supports __func__]) 
+AC_DEFINE([HAVE_FUNC], 1, [Define to 1 if the C compiler supports __func__]) 
 fi
 ])dnl
 
@@ -362,7 +362,7 @@ AC_TRY_COMPILE(,
 char *s = __FUNCTION__;
 }], ac_cv_c_macro_function=yes, ac_cv_c_macro_function=no))
 if test $ac_cv_c_macro_function = "yes"; then
-AC_DEFINE([HAVE_FUNCTION], 1, [Define as 1 if the C compiler supports __FUNCTION__]) 
+AC_DEFINE([HAVE_FUNCTION], 1, [Define to 1 if the C compiler supports __FUNCTION__]) 
 fi
 ])dnl
 
@@ -372,7 +372,7 @@ dnl ======================================================================
 AC_DEFUN([AC_C_INLINE_DEFINE], [
 AC_C_INLINE
 case "$ac_cv_c_inline" in *inline* | yes) 
-	AC_DEFINE([HAVE_INLINE], 1, [Define this as 1 if you have inlining compiler]) ;; 
+	AC_DEFINE([HAVE_INLINE], 1, [Define to 1 if you have inlining compiler]) ;; 
 esac
 ])
 
@@ -390,7 +390,7 @@ AC_TRY_COMPILE(,
 ac_cv_c_keyword_struct=yes, ac_cv_c_keyword_struct=no))
 if test $ac_cv_c_keyword_struct = "yes"; then
 AC_DEFINE([HAVE_STRUCT_KEYWORDS], 1, [
-Define this as 1 if your CC supports C99 struct initialization]) 
+Define to 1 if your CC supports C99 struct initialization]) 
 fi
 ])
 
@@ -456,8 +456,8 @@ LIBS="-L\$(top_srcdir)/win32/pthread -lpthread -lws2_32 \
 	-lwsock32"
 MINGW_ENVIRONMENT=1
 AC_SUBST(MINGW_ENVIRONMENT)
-AC_DEFINE([HAVE_MINGW], [1], [Define this as 1 if you are compiling in MinGW environment])
-AC_DEFINE([HAVE_WIN32], [1], [Define this as 1 if you have WIN32])
+AC_DEFINE([HAVE_MINGW], [1], [Define to 1 if you are compiling in MinGW environment])
+AC_DEFINE([HAVE_WIN32], [1], [Define to 1 if you have WIN32])
 fi
 AM_CONDITIONAL([HAVE_MINGW32], [test "x$ac_cc_environment" != x])
 ])dnl
@@ -469,7 +469,7 @@ dnl ======================================================================
 
 AC_DEFUN([AC_TYPE_LONGLONG],[dnl
 AC_CHECK_TYPE([long long],[dnl
-AC_DEFINE([longlong], [long long], [Define as at least 64-bit int type])dnl
+AC_DEFINE([longlong], [long long], [Define to a at least 64-bit int type])dnl
 ifelse([$1], ,:, [$1])],[ifelse([$2], ,:, [$2])])])
 
 dnl ======================================================================
@@ -482,8 +482,8 @@ AC_CACHE_CHECK([/dev/urandom], [ac_cv_dev_urandom],
    if test -r /dev/urandom; then ac_cv_dev_urandom=yes; fi])
 if test $ac_cv_dev_urandom = yes; then
   AC_DEFINE([HAVE_DEV_URANDOM], 1, 
-    [Define this as 1 if you have /dev/urandom.])
+    [Define to 1 if you have /dev/urandom.])
   AC_DEFINE([DEV_URANDOM], 1,
-    [Define this as the random number source name.])
+    [Define to the random number source name.])
 fi
 ])

m4/sac-openssl.m4

@@ -22,11 +22,11 @@ if test "$with_openssl" != no  ;then
     	AC_MSG_WARN(OpenSSL protocol library was not found))
 
     if test x$HAVE_OPENSSL = x1; then
-      AC_DEFINE([HAVE_OPENSSL], 1, [Define this as 1 if you have OpenSSL])
+      AC_DEFINE([HAVE_OPENSSL], 1, [Define to 1 if you have OpenSSL])
     fi
 
     if test x$HAVE_TLS = x1; then
-      AC_DEFINE([HAVE_TLS], 1, [Define this as 1 if you have TLS])
+      AC_DEFINE([HAVE_TLS], 1, [Define to 1 if you have TLS])
     fi
   ],
   AC_MSG_WARN(OpenSSL include files were not found))

m4/sac-su2.m4

@@ -20,30 +20,30 @@ dnl Define compilation options for su_configure.h
 
 case "$target" in 
 *-*-solaris?.* )
-  SAC_SU_DEFINE(__EXTENSIONS__, 1, [Define this in Solaris in order to get POSIX extensions.])
+  SAC_SU_DEFINE(__EXTENSIONS__, 1, [Define to 1 in Solaris in order to get POSIX extensions.])
 ;;
 esac
 
 case "$target" in 
 i?86-*-* )
-  SAC_SU_DEFINE(SU_HAVE_TAGSTACK, 1, [Define this as 1 if we can use tags directly from stack.])
+  SAC_SU_DEFINE(SU_HAVE_TAGSTACK, 1, [Define to 1 if we can use tags directly from stack.])
 ;;
 esac
 
 # Check includes used by su includes
 AC_CHECK_HEADER(sys/types.h, 
 	SAC_SU_DEFINE([SU_HAVE_SYS_TYPES], 1, 
-		     [Define as 1 if Sofia uses sys/types.h]))
+		     [Define to 1 if Sofia uses sys/types.h]))
 
 ax_inttypes=false
 AC_CHECK_HEADER(stdint.h, [
 	ax_inttypes=true
 	SAC_SU_DEFINE([SU_HAVE_STDINT], 1, 
-		     [Define as 1 if Sofia uses stdint.h])])
+		     [Define to 1 if Sofia uses stdint.h])])
 AC_CHECK_HEADER(inttypes.h,[
 	ax_inttypes=true
 	SAC_SU_DEFINE([SU_HAVE_INTTYPES], 1, 
-		     [Define as 1 if Sofia uses inttypes.h])])
+		     [Define to 1 if Sofia uses inttypes.h])])
 
 if $ax_inttypes; then : ; else 
 	AC_MSG_ERROR("No <stdint.h> or <inttypes.h> found.")
@@ -72,13 +72,13 @@ AC_REQUIRE([AC_C_INLINE])
 
 case "$ac_cv_c_inline" in
   yes) SAC_SU_DEFINE(su_inline, static inline, [
-		Define this as declarator for static inline functions.
+		Define to declarator for static inline functions.
 	])dnl
        SAC_SU_DEFINE(SU_INLINE, inline, [
-		Define this as declarator for inline functions.
+		Define to declarator for inline functions.
 	])dnl
        SAC_SU_DEFINE(SU_HAVE_INLINE, 1, [
-		Define this as 1 if you have inline functions.
+		Define to 1 if you have inline functions.
 	])dnl
   ;;
   no)  SAC_SU_DEFINE(su_inline, static)dnl
@@ -94,13 +94,13 @@ esac
 AC_REQUIRE([AC_SYS_SA_LEN])
 if test "$ac_cv_sa_len" = yes ;then
   SAC_SU_DEFINE([SU_HAVE_SOCKADDR_SA_LEN], 1, 
-	        [Define this as 1 if you have sa_len in struct sockaddr])
+	        [Define to 1 if you have sa_len in struct sockaddr])
 fi
 
 AC_REQUIRE([AC_STRUCT_SIN6])
 case $ac_cv_sin6 in 
 yes) SAC_SU_DEFINE(SU_HAVE_IN6, 1, [
-	Define this as 1 if you have struct sockaddr_in6]) ;;
+	Define to 1 if you have struct sockaddr_in6]) ;;
  no) ;;
   *) AC_MSG_ERROR([Inconsistent struct sockaddr_sin6 test]) ;;
 esac
@@ -108,36 +108,36 @@ esac
 AC_CHECK_HEADERS([unistd.h sys/time.h])
 
 AC_CHECK_HEADERS([winsock2.h ws2tcpip.h], [
-  AC_DEFINE([HAVE_WIN32], 1, [Define as 1 you have WIN32])
-  SAC_SU_DEFINE([SU_HAVE_WINSOCK], 1, [Define as 1 you have WinSock])
-  SAC_SU_DEFINE([SU_HAVE_WINSOCK2], 1, [Define as 1 you have WinSock2])
+  AC_DEFINE([HAVE_WIN32], 1, [Define to 1 you have WIN32])
+  SAC_SU_DEFINE([SU_HAVE_WINSOCK], 1, [Define to 1 you have WinSock])
+  SAC_SU_DEFINE([SU_HAVE_WINSOCK2], 1, [Define to 1 you have WinSock2])
   SAC_SU_DEFINE([SU_HAVE_SOCKADDR_STORAGE], 1, 
-      [Define this as 1 if you have struct sockaddr_storage])
+      [Define to 1 if you have struct sockaddr_storage])
   AC_DEFINE([HAVE_ADDRINFO], 1,
-      [Define this as 1 if you have addrinfo structure.])
+      [Define to 1 if you have addrinfo structure.])
   AC_DEFINE([HAVE_GETADDRINFO], 1,
-      [Define this as 1 if you have addrinfo structure.])
+      [Define to 1 if you have addrinfo structure.])
   AC_DEFINE([HAVE_FREEADDRINFO], 1,
-      [Define this as 1 if you have addrinfo structure.])
+      [Define to 1 if you have addrinfo structure.])
   SAC_SU_DEFINE([SU_HAVE_ADDRINFO], 1,
-      [Define this as 1 if you have addrinfo structure.])
+      [Define to 1 if you have addrinfo structure.])
   AC_CHECK_HEADERS([windef.h])
   AC_CHECK_HEADERS([iphlpapi.h], [
     AC_DEFINE([HAVE_INTERFACE_INFO_EX], 1, [
-       Define this as 1 if you have WIN32 INTERFACE_INFO_EX type.])
+       Define to 1 if you have WIN32 INTERFACE_INFO_EX type.])
     AC_DEFINE([HAVE_SIO_ADDRESS_LIST_QUERY], 1, [
-       Define this as 1 if you have WIN32 WSAIoctl SIO_ADDRESS_LIST_QUERY.])
+       Define to 1 if you have WIN32 WSAIoctl SIO_ADDRESS_LIST_QUERY.])
   ], [], [#if HAVE_WINDEF_H
 #include <windef.h>
 #include <winbase.h>
 #endif
   ])
   AC_DEFINE([HAVE_FILETIME], 1, [
-     Define this as 1 if you have WIN32 FILETIME type and 
+     Define to 1 if you have WIN32 FILETIME type and 
      GetSystemTimeAsFileTime().])
 ],[
 dnl no winsock2
-SAC_SU_DEFINE([SU_HAVE_BSDSOCK], 1, [Define as 1 if you have BSD socket interface])
+SAC_SU_DEFINE([SU_HAVE_BSDSOCK], 1, [Define to 1 if you have BSD socket interface])
 AC_CHECK_HEADERS([sys/socket.h sys/ioctl.h sys/filio.h sys/sockio.h \
 		  sys/select.h])
 AC_CHECK_HEADERS([netinet/in.h arpa/inet.h netdb.h \
@@ -163,7 +163,7 @@ fi])
 
 if test "$ac_cv_struct_addrinfo" = yes; then
   SAC_SU_DEFINE([SU_HAVE_ADDRINFO], 1, 
-    [Define as 1 if you have struct addrinfo.])
+    [Define to 1 if you have struct addrinfo.])
 fi
 
 AC_CACHE_CHECK([for struct sockaddr_storage],
@@ -177,7 +177,7 @@ else
 fi])
 if test "$ac_cv_struct_sockaddr_storage" = yes; then
   SAC_SU_DEFINE(SU_HAVE_SOCKADDR_STORAGE, 1, 
-    [Define this as 1 if you have struct sockaddr_storage])
+    [Define to 1 if you have struct sockaddr_storage])
 fi
 
 AC_CACHE_CHECK([for field ifr_index in struct ifreq],
@@ -197,7 +197,7 @@ fi # arpa/inet.h && netdb.h && sys/socket.h && net/if.h
 ])
 if test "$ac_cv_struct_ifreq_ifr_index" = yes ; then
   :
-  AC_DEFINE(HAVE_IFR_INDEX, 1, [Define this as 1 if you have ifr_index in <net/if.h>])
+  AC_DEFINE(HAVE_IFR_INDEX, 1, [Define to 1 if you have ifr_index in <net/if.h>])
 else
 AC_CACHE_CHECK([for field ifr_ifindex in struct ifreq],
 [ac_cv_struct_ifreq_ifr_ifindex],[
@@ -216,7 +216,7 @@ fi # arpa/inet.h && netdb.h && sys/socket.h && net/if.h
 ])
 if test "$ac_cv_struct_ifreq_ifr_ifindex" = yes; then
   :
-  AC_DEFINE(HAVE_IFR_IFINDEX, 1, [Define this as 1 if you have ifr_ifindex in <net/if.h>])
+  AC_DEFINE(HAVE_IFR_IFINDEX, 1, [Define to 1 if you have ifr_ifindex in <net/if.h>])
 fi
 
 fi # ifr_index in struct ifreq
@@ -231,7 +231,7 @@ else
   ac_cv_struct_ifconf='net/if.h missing'
 fi])
 if test "$ac_cv_struct_ifconf" = yes; then
-  AC_DEFINE(HAVE_IFCONF, 1, [Define this as 1 if you have SIOCGIFCONF])
+  AC_DEFINE(HAVE_IFCONF, 1, [Define to 1 if you have SIOCGIFCONF])
 fi
 
 AC_CACHE_CHECK([for ioctl SIOCGIFNUM],
@@ -249,7 +249,7 @@ else
 fi])
 if test "$ac_cv_ioctl_siocgifnum" = yes; then
   HAVE_IFNUM=1
-  AC_DEFINE(HAVE_IFNUM, 1, [Define this as 1 if you have SIOCGIFNUM ioctl])
+  AC_DEFINE(HAVE_IFNUM, 1, [Define to 1 if you have SIOCGIFNUM ioctl])
 else
   HAVE_IFNUM=0
 fi
@@ -349,12 +349,12 @@ AC_CHECK_FUNCS([gettimeofday strerror random initstate tcsetattr flock alarm \
                 getline getdelim getpass])
 # getline getdelim getpass are _GNU_SOURCE stuff
 if test $ac_cv_func_poll = yes ; then
-  SAC_SU_DEFINE([SU_HAVE_POLL], 1, [Define this as 1 if you have poll().])
+  SAC_SU_DEFINE([SU_HAVE_POLL], 1, [Define to 1 if you have poll().])
 fi
 
 if test $ac_cv_func_if_nameindex = yes ; then
   SAC_SU_DEFINE([SU_HAVE_IF_NAMEINDEX], 1, 
-    [Define this as 1 if you have if_nameindex().])
+    [Define to 1 if you have if_nameindex().])
 fi
 
 AC_REQUIRE([SAC_WITH_RT])
@@ -372,7 +372,7 @@ SAC_REPLACE_FUNCS([memmem memccpy memspn memcspn strcasestr strtoull \
 
 AC_DEFUN([AC_DEFINE_HAVE_PTHREAD_RWLOCK],[dnl
 AC_DEFINE([HAVE_PTHREAD_RWLOCK], 1,[
-Define this as 1 if you have working pthread_rwlock_t implementation.
+Define to 1 if you have working pthread_rwlock_t implementation.
 
    A  thread  may hold multiple concurrent read locks on rwlock - that is,
    successfully call the pthread_rwlock_rdlock() function  n  times.  If
@@ -410,7 +410,7 @@ fi
 # ===========================================================================
 case "$target" in
  *-*-linux*) AC_DEFINE([HAVE_PROC_NET_IF_INET6], 1, 
-	[Define this as 1 if you have /proc/net/if_inet6 control file]) ;;
+	[Define to 1 if you have /proc/net/if_inet6 control file]) ;;
 esac
 
 AM_CONFIG_HEADER([libsofia-sip-ua/su/sofia-sip/su_configure.h])

m4/sac-tport.m4

@@ -18,8 +18,8 @@ if test -n "${with_sigcomp}" && test "${with_sigcomp}" != no ; then
 	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], 1, [Define this as 1 if you have Sofia sigcomp >= 2.5])], 
+            [AC_DEFINE([HAVE_SIGCOMP], 1, [Define to 1 if you have Sofia sigcomp >= 2.5])
+             AC_DEFINE([HAVE_SOFIA_SIGCOMP], 1, [Define to 1 if you have Sofia sigcomp >= 2.5])], 
              AC_MSG_ERROR(Sofia SigComp API >= 2.5 was not found))
 fi
 
@@ -34,6 +34,6 @@ AC_ARG_WITH(sctp,
  enable_sigcomp=no)
 
 if test x$enable_sctp = xyes; then
-AC_DEFINE(HAVE_SCTP, 1, [Define this a 1 if you have SCTP])
+AC_DEFINE(HAVE_SCTP, 1, [Define to 1 if you have SCTP])
 fi
 ])