ptrdiff_t exists, even on linux2.2

gnutls/gnutls.spec

@@ -33,7 +33,7 @@ Distribution: OpenPKG [EVAL]
 Group:        Cryptography
 License:      GPL
 Version:      0.8.9
-Release:      20030708
+Release:      20030710
 
 #   list of sources
 Source0:      ftp://gnutls.hellug.gr/pub/gnutls/gnutls-%{version}.tar.gz
@@ -58,6 +58,7 @@ AutoReqProv:  no
     %setup -q
 
 %build
+    echo 'ac_cv_type_ptrdiff_t=yes' >config.cache
     CC="%{l_cc}" \
     CFLAGS="%{l_cflags -O} %{l_cppflags lzo}" \
     CPPFLAGS="%{l_cppflags} %{l_cppflags lzo}" \
@@ -65,6 +66,7 @@ AutoReqProv:  no
     LIBS="-lgetopt" \
     LIBOPENCDK_CONFIG=no \
     ./configure \
+        --cache-file=config.cache \
         --prefix=%{l_prefix} \
         --with-libgcrypt-prefix=%{l_prefix} \
         --disable-shared