gcc.c (cpp_options): Delete .d files on error.

        * gcc.c (cpp_options): Delete .d files on error.  Don't delete
        .o files when using the -M options.

From-SVN: r39561

gcc/ChangeLog

+2001-02-09  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+        * gcc.c (cpp_options): Delete .d files on error.  Don't delete
+        .o files when using the -M options.
+
 2001-02-08  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>
 	    David Edelsohn  <edelsohn@gnu.org>
 

gcc/gcc.c

@@ -593,8 +593,9 @@ static const char *cpp_options =
 "%{C:%{!E:%eGNU C does not support -C without using -E}}\
  %{std*} %{nostdinc*}\
  %{C} %{v} %{I*} %{P} %{$} %I\
- %{MD:-M -MF %{!o: %b.d}%{o*:%.d%*}} %{MMD:-MM -MF %{!o: %b.d}%{o*:%.d%*}}\
- %{M} %{MM} %{MF*} %{MG} %{MP} %{MQ*} %{MT*} %{M|MD|MM|MMD:%{o*:-MQ %*}}\
+ %{MD:-M -MF %W{!o: %b.d}%W{o*:%.d%*}}\
+ %{MMD:-MM -MF %W{!o: %b.d}%W{o*:%.d%*}}\
+ %{M} %{MM} %W{MF*} %{MG} %{MP} %{MQ*} %{MT*} %{M|MD|MM|MMD:%{o*:-MQ %*}}\
  %{!no-gcc:-D__GNUC__=%v1 -D__GNUC_MINOR__=%v2 -D__GNUC_PATCHLEVEL__=%v3}\
  %{!undef:%{!ansi:%{!std=*:%p}%{std=gnu*:%p}} %P} %{trigraphs}\
  %c %{Os:-D__OPTIMIZE_SIZE__} %{O*:%{!O0:-D__OPTIMIZE__}}\
@@ -606,7 +607,7 @@ static const char *cpp_options =
  %{fleading-underscore} %{fno-leading-underscore}\
  %{fno-operator-names} %{ftabstop=*} %{remap}\
  %{g3:-dD} %{W*} %{w} %{pedantic*} %{H} %{d*} %C %{D*&U*&A*} %{i*} %Z %i\
- %{E:%W{o*}}%{M:%W{o*}}%{MM:%W{o*}}";
+ %{E:%{!M*:%W{o*}}}";
 
 /* NB: This is shared amongst all front-ends.  */
 static const char *cc1_options =