LEON3 RTEMS rc7 Tool Issue

[Richard.Glossop at L3Harris.com]

Recently upgraded to Gaisler rcc-1.3-rc7 for our LEON3 system.  I can build the code successfully from Eclipse/LIDE.  I can load the executable and successfully run it from the grmon command line.

However when I try to execute from within the LIDE, gdb complains:

Failed to connect to target!
Error creating session
/opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb)
/opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb)
/opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb)
Error creating session
Error creating session
/opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb)
/opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb)
/opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb: /usr/lib64/libstdc++.so.6: version `GLIBCXX_3.4.20' not found (required by /opt/rcc-1.3-rc7-gcc/bin/sparc-gaisler-rtems5-gdb)

Not sure what I need to do to make gdb happy here.  There are two versions of gdb provided in the rc7 /bin directory.  Regular and -6.8.  Changing the debugger over to 6.8 allows loading and running the code, however, it won't load the symbol table complaining of the dwarf header version (is 4 not 2) - hence no source level debug, breakpoints etc...


  

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