X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=blobdiff_plain;f=configure.ac;h=674ed3642da6ef96a0e5cd27b171fef83af451fa;hb=49b56eafcd147185c28848a7c04e31a32c49a82e;hp=e8e08cf02f014f2b696f1d930aa612a990743b8f;hpb=d58fa29bea29e942ea5bdf47a596a4e920494897;p=secnet.git

diff --git a/configure.ac b/configure.ac
index e8e08cf..674ed36 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ AC_INIT(secnet,0.1.18+,secnet@chiark.greenend.org.uk)
 AC_CONFIG_SRCDIR(secnet.c)
 AC_CONFIG_HEADER(config.h)
 
-SUBDIRMK_SUBDIRS([test-example mtest stest])
+SUBDIRMK_SUBDIRS([test-example mtest stest base91s])
 
 AC_PREREQ(2.50)
 AC_REVISION($Id: configure.in,v 1.4 2002/09/09 22:05:02 steve Exp $)
@@ -40,6 +40,27 @@ if test "x$FINK" != x; then
   LDFLAGS="-L$finkdir/lib ${LDFLAGS}"
 fi
 
+# This is quite unpleasant.  It turns out that most header checking
+# macros call AC_INCLUDES_DEFAULT.  By default AC_INCLUDES_DEFAULT
+# implies AC_HEADER_STDC and a bunch of conditional includes.  But
+# these header checks are obsolete as the documentation for
+# AC_HEADER_STDC says.  Instead, define AC_INCLUDES_DEFAULT ourselves.
+# The list of headers below is the list from `(autoconf) Default
+# Includes' (filtered by hand for the modern ones rather than the
+# fallbacks).  We must include $1 because AC_INCLUDES_DEFAULT is
+# called with an argument giving the check-specific haders.
+m4_define([AC_INCLUDES_DEFAULT],[
+          # include <sys/types.h>
+          # include <sys/stat.h>
+          # include <stdlib.h>
+          # include <stddef.h>
+          # include <string.h>
+          # include <inttypes.h>
+          # include <stdint.h>
+          # include <unistd.h>
+$1
+])
+
 AC_PROG_MAKE_SET
 AC_PROG_CC
 AC_PROG_INSTALL
@@ -79,6 +100,8 @@ SECNET_C_GETFUNC(inet_aton,resolv)
 AC_CHECK_LIB(adns,adns_init)
 REQUIRE_HEADER([adns.h])
 
+AC_CHECK_FUNCS([fmemopen funopen])
+
 AC_MSG_NOTICE([Checking requirements for IPv6 support...])
 enable_ipv6=true
 m4_define(NO_IPV6,[enable_ipv6=false])