[Bug ada/12950] New: Ada runtime is not relocatable

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12950

           Summary: Ada runtime is not relocatable
           Product: gcc
           Version: 3.4
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: ada
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: ro at techfak dot uni-bielefeld dot de
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: mips-sgi-irix6.5
  GCC host triplet: mips-sgi-irix6.5
GCC target triplet: mips-sgi-irix6.5

Unlike all other backends, the Ada runtime is not relocatable.  E.g., the
Ada version below was built with the default prefix (i.e. /usr/local), but
installed with DESTDIR=/vol/gcc/obj/gnat/3.4/6.5-local.  Invoking the
resulting gcc directly fails since the runtime isn't found.

Environment:
System: IRIX lyra 6.5 07141607 IP22


	
host: mips-sgi-irix6.5
build: mips-sgi-irix6.5
target: mips-sgi-irix6.5
configured with: /vol/gnu/src/gcc/gcc-ada/gcc/configure --disable-nls --disable-multilib

How-To-Repeat:
$ cat > conftest.adb
procedure conftest is begin null; end conftest;
$  /vol/gcc/obj/gnat/3.4/6.5-local/usr/local/bin/gcc -v -c conftest.adb 
Reading specs from /amnt/figaro/volumes/obj-gcc/gcc/obj.irix5/gnat/3.4/6.5-local/usr/local/bin/../lib/gcc/mips-sgi-irix6.5/3.4/specs
Configured with: /vol/gnu/src/gcc/gcc-ada/gcc/configure --disable-nls --disable-multilib
Thread model: single
gcc version 3.4 20031105 (experimental)
 /amnt/figaro/volumes/obj-gcc/gcc/obj.irix5/gnat/3.4/6.5-local/usr/local/bin/../libexec/gcc/mips-sgi-irix6.5/3.4/gnat1 -quiet -dumpbase conftest.adb conftest.adb -o /var/tmp//ccjYv3hb.s
fatal error, run-time library not installed correctly
cannot locate file system.ads
compilation abandoned
------- Additional Comments From ro at techfak dot uni-bielefeld dot de  2003-11-07 21:41 -------
Fix:
Although it is possible to work around this using the GNAT_ROOT environment
variable or the .gnat_wrapper shell script distributed with ACT's binay
distributions of GNAT, Ada should behave like all other backends and
support relocation out of the box.