Troubling compiling with pthread

This is a discussion on Troubling compiling with pthread within the Linux Programming forums, part of the Platform Specific Boards category; I am writing a program that uses threads. Everything compiles fine, but when I run the program, I get the ...

  1. #1
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    Sep 2003
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    Troubling compiling with pthread

    I am writing a program that uses threads. Everything compiles fine, but when I run the program, I get the following error:
    Shared object "libpthread.so.20" not found

    Here's what I have in my makefile:
    Code:
    files = thread thread.core temp output
    includes = -I/usr/pkg/include
    lib = -L/usr/pkg/lib
    library = -lpthread
    
    make:
    	gcc thread.c $(lib) $(includes) $(library) -o thread
    	./thread -p 23 -c 3 -n 10 -t 5 -s 6
    
    clean:
    	@for file in $(files); do \
    		if [ -f $$file ] ; then\
    			echo "rm $$file"; \
    			rm $$file; \
    		fi; \
    	done;
    I am doing my work on NetBSD 1.6.1. Can someone help me out?

  2. #2
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    Aug 2002
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    do you have libpthread.so.20 on your system (find/locate)?

    do your default library paths contain it's directory (/etc/ld.so.conf)?

  3. #3
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    Sep 2003
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    Yes I have all the threading libraries. I solved the problem by doing setting LD_RUN_PATH to /usr/pkg/lib. Is there another way to do it? Thanks.

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