Committed, CRIS: config/cris.h config/linux.h: Don't --gc-sections if -r.

[Hans-Peter Nilsson]

Should have sent this long ago; I didn't because trunk
cris-axis-linux-gnu never finished (presumably binutils
problems, preventing trunk to build libstdc++-v3; later).  The
linux.h change is a show-stopper for cris-axis-linux-gnu on 3.1,
so I applied it there.  Without it, cris-axis-linux-gnu doesn't
build due to that warped construct that uses -r in the process
of hiding symbols while building libgcc (on the 3.1-branch).  I
committed the linux.h change to main trunk *and* 3.1-branch.
The cris.h change is committed on the trunk only.

Admittedly, using --gc-sections like this might expose other
problems.  Later.

	* config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC): Don't
	--gc-sections if -r.
	* config/cris/cris.h: Ditto.

Index: linux.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/cris/linux.h,v
retrieving revision 1.3.2.2
diff -p -c -r1.3.2.2 linux.h
*** linux.h	13 Apr 2002 20:18:34 -0000	1.3.2.2
--- linux.h	5 Jul 2002 20:24:21 -0000
*************** Boston, MA 02111-1307, USA.  */
*** 96,102 ****
    %{shared} %{static}\
    %{symbolic:-Bdynamic} %{shlib:-Bdynamic} %{static:-Bstatic}\
    %{!shared:%{!static:%{rdynamic:-export-dynamic}}}\
!   %{O2|O3: --gc-sections}"
  
  
  /* Node: Sections */
--- 96,102 ----
    %{shared} %{static}\
    %{symbolic:-Bdynamic} %{shlib:-Bdynamic} %{static:-Bstatic}\
    %{!shared:%{!static:%{rdynamic:-export-dynamic}}}\
!   %{!r:%{O2|O3: --gc-sections}}"
  
  
  /* Node: Sections */
Index: cris.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/config/cris/cris.h,v
retrieving revision 1.25.2.4
diff -p -c -r1.25.2.4 cris.h
*** cris.h	2 Jul 2002 14:08:00 -0000	1.25.2.4
--- cris.h	5 Jul 2002 20:32:08 -0000
*************** extern const char *cris_elinux_stacksize
*** 211,217 ****
  #define CRIS_LINK_SUBTARGET_SPEC \
   "-mcriself\
    %{sim2:%{!T*:-Tdata 0x4000000 -Tbss 0x8000000}}\
!   %{O2|O3: --gc-sections}"
  
  /* Which library to get.  The only difference from the default is to get
     libsc.a if -sim is given to the driver.  Repeat -lc -lsysX
--- 211,217 ----
  #define CRIS_LINK_SUBTARGET_SPEC \
   "-mcriself\
    %{sim2:%{!T*:-Tdata 0x4000000 -Tbss 0x8000000}}\
!   %{!r:%{O2|O3: --gc-sections}}"
  
  /* Which library to get.  The only difference from the default is to get
     libsc.a if -sim is given to the driver.  Repeat -lc -lsysX

brgds, H-P