I have a simple test program that when I run I get:

    ./hello: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory

I link it like this:

    $(CC) $(CCFLAGS) -o hello hello.o -L../ocilib-3.9.3/src/.libs -L../instantclient_11_2 -locilib

My LD_LIBRARY_PATH contains this:

    LD_LIBRARY_PATH=../ocilib-3.9.3/src/.libs:../instantclient_11_2:/usr/lib

/usr/lib looks like this:

    Linux$ ls -l /usr/lib/libaio*
    lrwxrwxrwx  1 root root   15 Nov  5  2008 /usr/lib/libaio.so.1 -&gt; libaio.so.1.0.1
    -rwxr-xr-x  1 root root 2632 Sep 16  2005 /usr/lib/libaio.so.1.0.0
    -rwxr-xr-x  1 root root 2628 Sep 16  2005 /usr/lib/libaio.so.1.0.1

Output of ldd hello:

    libocilib.so.3 =&gt; ../ocilib-3.9.3/src/.libs/libocilib.so.3 (0x0000002a95558000)
    libc.so.6 =&gt; /lib64/tls/libc.so.6 (0x0000003811200000)
    libclntsh.so.11.1 =&gt; ../instantclient_11_2/libclntsh.so.11.1 (0x0000002a956c4000)
    /lib64/ld-linux-x86-64.so.2 (0x000000552aaaa000)
    libnnz11.so =&gt; ../instantclient_11_2/libnnz11.so (0x0000002a97f56000)
    libdl.so.2 =&gt; /lib64/libdl.so.2 (0x0000003811500000)
    libm.so.6 =&gt; /lib64/tls/libm.so.6 (0x0000003811700000)
    libpthread.so.0 =&gt; /lib64/tls/libpthread.so.0 (0x0000003811b00000)
    libnsl.so.1 =&gt; /lib64/libnsl.so.1 (0x0000003819000000)
    libaio.so.1 =&gt; not found

I&#39;m hoping that I&#39;m missing something simple here.  The oracle instantclient package appears to require libaio, but that seems to be installed already so what&#39;s the problem?


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libaio.so.1: cannot open shared object file