* configure.in: Add AC_NO_EXECUTABLES.

* configure: Regenerate.

winsup/doc/ChangeLog

@@ -1,3 +1,8 @@
+2012-10-24  Corinna Vinschen  <corinna@vinschen.de>
+
+	* configure.in: Add AC_NO_EXECUTABLES.
+	* configure: Regenerate.
+
 2012-10-20  Corinna Vinschen  <corinna@vinschen.de>
 
 	* new-features.sgml (ov-new1.7.17): Add section.

winsup/doc/configure

@@ -562,6 +562,7 @@ PACKAGE_BUGREPORT=
 PACKAGE_URL=
 
 ac_unique_file="cygwin-api.in.sgml"
+ac_no_link=no
 ac_subst_vars='LTLIBOBJS
 LIBOBJS
 build_exeext
@@ -1752,6 +1753,7 @@ ac_configure="$SHELL $ac_aux_dir/configure"  # Please don't use this var.
 
 
 
+
 # Make sure we can run config.sub.
 $SHELL "$ac_aux_dir/config.sub" sun4 >/dev/null 2>&1 ||
   as_fn_error $? "cannot run $SHELL $ac_aux_dir/config.sub" "$LINENO" 5
@@ -2288,6 +2290,29 @@ done
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
+int
+main ()
+{
+
+  ;
+  return 0;
+}
+_ACEOF
+if { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; then
+  ac_no_link=no
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
 int
 main ()
 {
@@ -2484,6 +2509,59 @@ $as_echo "$cross_compiling" >&6; }
 
 rm -f conftest.$ac_ext conftest$ac_cv_exeext conftest.out
 ac_clean_files=$ac_clean_files_save
+
+else
+  rm -f -r a.out a.exe b.out conftest.$ac_ext conftest.o conftest.obj conftest.dSYM
+  ac_no_link=yes
+  # Setting cross_compile will disable run tests; it will
+  # also disable AC_CHECK_FILE but that's generally
+  # correct if we can't link.
+  cross_compiling=yes
+  EXEEXT=
+  # Check that the compiler produces executables we can run.  If not, either
+# the compiler is broken, or we cross compile.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are cross compiling" >&5
+$as_echo_n "checking whether we are cross compiling... " >&6; }
+if test "$cross_compiling" != yes; then
+  { { ac_try="$ac_link"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_link") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }
+  if { ac_try='./conftest$ac_cv_exeext'
+  { { case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\""
+$as_echo "$ac_try_echo"; } >&5
+  (eval "$ac_try") 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+    cross_compiling=no
+  else
+    if test "$cross_compiling" = maybe; then
+	cross_compiling=yes
+    else
+	{ { $as_echo "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5
+$as_echo "$as_me: error: in \`$ac_pwd':" >&2;}
+as_fn_error $? "cannot run C compiled programs.
+If you meant to cross compile, use \`--host'.
+See \`config.log' for more details" "$LINENO" 5; }
+    fi
+  fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $cross_compiling" >&5
+$as_echo "$cross_compiling" >&6; }
+
+fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
 $as_echo_n "checking for suffix of object files... " >&6; }
 if ${ac_cv_objext+:} false; then :

winsup/doc/configure.in

@@ -13,6 +13,7 @@ AC_PREREQ(2.59)
 AC_INIT(cygwin-api.in.sgml)
 AC_CONFIG_AUX_DIR(../..)
 
+AC_NO_EXECUTABLES
 AC_CANONICAL_SYSTEM
 
 LIB_AC_PROG_CC