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Re: Can't find a library that's right there

Josselin Mouette <joss@debian.org> writes:

> Le vendredi 20 août 2004 à 18:11 -0700, Ross Boylan a écrit :
>> I have a library on my system, yet I'm having trouble accessing it:
>> $ ls -l /usr/lib/R/bin/libR.so
>> -rw-r--r--  1 root root 1638320 Jun 22 05:01 /usr/lib/R/bin/libR.so
>> Here is my link step, and subsequent failures, even after setting
>> g++ -o test1 mspathCEntry_test.o Manager_test.o TestManager.o
>> PathGenerator_test.o TestRecorder.o SimpleRecorder_test.o
>> TimeStepsGenerator_test.o StateTimeClassifier_test.o Environment_test.o
>> SuccessorGenerator_test.o Model_test.o ConstrainedCoefficients_test.o
>> Path_test.o Data_test.o TimeSteps_test.o TimePoint_test.o basic_test.o
>> ../mspath.so -L/usr/lib/debug -lboost_unit_test_framework \
>>          -L/usr/lib/R/bin -lR
>> ./test1 --report_level=detailed
>> ./test1: error while loading shared libraries: libR.so: cannot open
>> shared object file: No such file or directory
>> make: *** [runtest] Error 127
> For compilation, LD_LIBRARY_PATH is useless. You should set
> LIBRARY_PATH, or use a -L flag.

He isn't compiling but running the binary.

What is your LD_LIBRARY_PATH set to and when? Is it maybe cleared by
fakeroot or something? What does "ldd test1" say?

For libraries in non standard dirs you might have to set rpath.


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