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Index: configure.in
===================================================================
--- configure.in (revision 1751)
+++ configure.in (revision 1761)
@@ -42,6 +42,7 @@
DBMAIL_CHECK_SIEVE_LIBS
DBMAIL_CHECK_GC
DBMAIL_CHECK_GETOPT
+DBMAIL_CHECK_SOCKLEN_T
AC_PROG_CC
AC_COMPILE_WARNINGS
Index: acinclude.m4
===================================================================
--- acinclude.m4 (revision 1751)
+++ acinclude.m4 (revision 1761)
@@ -513,3 +513,49 @@
# Prerequisites of lib/getopt*.
AC_DEFUN([CHECK_PREREQ_GETOPT], [:])
+
+#
+# socklen_t
+# from curl
+
+dnl Check for socklen_t: historically on BSD it is an int, and in
+dnl POSIX 1g it is a type of its own, but some platforms use different
+dnl types for the argument to getsockopt, getpeername, etc. So we
+dnl have to test to find something that will work.
+AC_DEFUN([DBMAIL_CHECK_SOCKLEN_T],
+[
+ AC_CHECK_TYPE([socklen_t], ,[
+ AC_MSG_CHECKING([for socklen_t equivalent])
+ AC_CACHE_VAL([socklen_t_equiv],
+ [
+ # Systems have either "struct sockaddr *" or
+ # "void *" as the second argument to getpeername
+ socklen_t_equiv=
+ for arg2 in "struct sockaddr" void; do
+ for t in int size_t unsigned long "unsigned long"; do
+ AC_TRY_COMPILE([
+ #include <sys/types.h>
+ #include <sys/socket.h>
+
+ int getpeername (int, $arg2 *, $t *);
+ ],[
+ $t len;
+ getpeername(0,0,&len);
+ ],[
+ socklen_t_equiv="$t"
+ break
+ ])
+ done
+ done
+
+ if test "x$socklen_t_equiv" = x; then
+ AC_MSG_ERROR([Cannot find a type to use in place of socklen_t])
+ fi
+ ])
+ AC_MSG_RESULT($socklen_t_equiv)
+ AC_DEFINE_UNQUOTED(socklen_t, $socklen_t_equiv,
+ [type to use in place of socklen_t if not defined])],
+ [#include <sys/types.h>
+#include <sys/socket.h>])
+])
+
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