re PR target/19548 (RTEMS CPP specs not merged from 3.2/3.2 branches)

2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>

	PR target/19548
	* config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
	(CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
	(SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.

From-SVN: r94056

gcc/ChangeLog

+2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
+
+	PR target/19548
+	* config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
+	(CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
+	(SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
+
 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	PR c/18809

gcc/config/rs6000/rtems.h

@@ -38,3 +38,20 @@
 
 #undef CPP_OS_DEFAULT_SPEC
 #define CPP_OS_DEFAULT_SPEC "%(cpp_os_rtems)"
+
+#define CPP_OS_RTEMS_SPEC "\
+%{!mcpu*:  %{!Dppc*: %{!Dmpc*: -Dmpc750} } }\
+%{mcpu=403:  %{!Dppc*: %{!Dmpc*: -Dppc403}  } } \
+%{mcpu=505:  %{!Dppc*: %{!Dmpc*: -Dmpc505}  } } \
+%{mcpu=601:  %{!Dppc*: %{!Dmpc*: -Dppc601}  } } \
+%{mcpu=602:  %{!Dppc*: %{!Dmpc*: -Dppc602}  } } \
+%{mcpu=603:  %{!Dppc*: %{!Dmpc*: -Dppc603}  } } \
+%{mcpu=603e: %{!Dppc*: %{!Dmpc*: -Dppc603e} } } \
+%{mcpu=604:  %{!Dppc*: %{!Dmpc*: -Dmpc604}  } } \
+%{mcpu=750:  %{!Dppc*: %{!Dmpc*: -Dmpc750}  } } \
+%{mcpu=821:  %{!Dppc*: %{!Dmpc*: -Dmpc821}  } } \
+%{mcpu=860:  %{!Dppc*: %{!Dmpc*: -Dmpc860}  } }" 
+
+#undef  SUBSUBTARGET_EXTRA_SPECS
+#define SUBSUBTARGET_EXTRA_SPECS \
+  { "cpp_os_rtems",		CPP_OS_RTEMS_SPEC }