X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=adns.git;a=blobdiff_plain;f=configure.in;h=882a4d79e7e6f8083f8c119cce1520376edb9878;hp=55b81287e9dc519f1b79a15976d7da74b40e2c74;hb=4f85494a488eac4382cca2f55e118bc8e1f0a844;hpb=239d2e4dfb6fcfc26fe3f740efae8f6944b99799

diff --git a/configure.in b/configure.in
index 55b8128..882a4d7 100644
--- a/configure.in
+++ b/configure.in
@@ -4,8 +4,8 @@
 #    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
 #
 #  It is part of adns, which is
-#    Copyright (C) 1997-2000 Ian Jackson <ian@davenant.greenend.org.uk>
-#    Copyright (C) 1999-2000 Tony Finch <dot@dotat.at>
+#    Copyright (C) 1997-2005 Ian Jackson <ian@davenant.greenend.org.uk>
+#    Copyright (C) 1999-2004 Tony Finch <dot@dotat.at>
 #  
 #  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
@@ -112,17 +112,24 @@ DPKG_CACHED_TRY_COMPILE(inlines,dpkg_cv_c_inline,,
  AC_DEFINE(HAVE_INLINE),
  AC_MSG_RESULT(no))
 
-ADNS_C_GCCATTRIB
-AC_CHECK_HEADERS(sys/select.h)
-
 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)