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bootstrap failure on ia64-unknown-linux-gnu (trunk)


I haven't tried booting the trunk on ia64 lately.  Tried it today, and
I got a failure: at the start of stage 2, first the stage-1 compiler is
used to build build/genmodes:

stage1/xgcc -Bstage1/ -B/u/jbuck/cvs.ia64/trunk/ia64-unknown-linux-gnu/bin/   -DUSE_LIBUNWIND_EXCEPTIONS -g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wstrict-prototypes -Wmissing-prototypes  -fno-common   -DHAVE_CONFIG_H -DGENERATOR_FILE  -o build/genmodes \
 build/genmodes.o build/errors.o ../build-ia64-unknown-linux-gnu/libiberty/libiberty.a

But then the execution of build/genmodes
fails, with

build/genmodes: error while loading shared libraries: libunwind.so.7: cannot open shared object file: No such file or directory

Now, earlier in the build process, libunwind.so.7 is built, and it is then
moved into the stage1 subdirectory, and genmodes is linked against this
library.  But when an attempt is made to run it, it's not on the
LD_LIBRARY_PATH, so we blow up.

I'm running on a RHEL 2.1AW system.  Perhaps this bug wasn't noticed
because newer ia64 systems already have a libunwind.so.7 in /usr/lib?


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