Reentrancy: Introduce adns__cancel

[adns.git] / configure.in

diff --git a/configure.in b/configure.in
index b21404022c592d1af3a2b86cf29c428237438794..3e72caddfba00b64c231acb34a0fea257dd0f22c 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -1,11 +1,10 @@
 # configure.in - input to autoconf
 #  
-#  This file is
-#    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
-#
-#  It is part of adns, which is
-#    Copyright (C) 1997-2005 Ian Jackson <ian@davenant.greenend.org.uk>
-#    Copyright (C) 1999-2004 Tony Finch <dot@dotat.at>
+#  This file is part of adns, which is
+#    Copyright (C) 1997-2000,2003,2006  Ian Jackson
+#    Copyright (C) 1999-2000,2003,2006  Tony Finch
+#    Copyright (C) 1991 Massachusetts Institute of Technology
+#  (See the file INSTALL for full details.)
 #  
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -25,7 +24,7 @@ AC_INIT(src/adns.h)
 AC_CONFIG_HEADER(src/config.h)
 
 dnl DPKG_CACHED_TRY_COMPILE(<description>,<cachevar>,<include>,<program>,<ifyes>,<ifno>)
-define(DPKG_CACHED_TRY_COMPILE,[
+define([DPKG_CACHED_TRY_COMPILE],[
  AC_MSG_CHECKING($1)
  AC_CACHE_VAL($2,[
   AC_TRY_COMPILE([$3],[$4],[$2=yes],[$2=no])
@@ -112,16 +111,24 @@ DPKG_CACHED_TRY_COMPILE(inlines,dpkg_cv_c_inline,,
  AC_DEFINE(HAVE_INLINE),
  AC_MSG_RESULT(no))
 
-ADNS_C_GCCATTRIB
-
 AC_SUBST(WARNS)
 
 if test "${GCC-no}" = yes; then
        WARNS="-Wall -Wmissing-prototypes -Wwrite-strings -Wstrict-prototypes -Wcast-qual -Wpointer-arith"
+       saved_cflags="$CFLAGS"
+       CFLAGS="$CFLAGS -Wno-pointer-sign"
+       DPKG_CACHED_TRY_COMPILE(-Wno-pointer-sign,adns_cv_c_wnoptrsign,,
+        [],
+        AC_MSG_RESULT(yes)
+        WARNS="$WARNS -Wno-pointer-sign",
+        AC_MSG_RESULT(no))
+       CFLAGS="$saved_cflags"
 else
        WARNS=
 fi
 
+ADNS_C_GCCATTRIB
+
 AC_SUBST(SHLIBCC)
 AC_SUBST(MKSHLIB_1)
 AC_SUBST(MKSHLIB_2)