X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~mdw/git/adns/blobdiff_plain/4f6dbe698cf5e55ab397d91883aba9462feac041..cefe030c6424fc38e60fd53cf83755a8b141b213:/configure.in

diff --git a/configure.in b/configure.in
index b214040..882a4d7 100644
--- a/configure.in
+++ b/configure.in
@@ -112,16 +112,24 @@ 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)