title: How to link shared library in Makefile
body: <p>I am trying to make the following makefile on olaris SPARC</p>
  
  <pre><code>CC=/usr/sfw/bin/gcc
  
  INCPATH=/export/home/compkvar/compile/inc
  LIBPATH=/export/home/compkvar/compile/lib
  SOURCEPATH=/export/home/compkvar/compile/src
  
  .c.o:
          $(CC) -c $&lt; $(INCPATH) -I.
  
  
  PSOURCE = driver.c
  
  driver : driver.o 
                  $(CC) -I$(INCPATH) -L$(LIBPATH) -o driver driver.c -lprivate 
  
  all : driver
  
  clean :
      rm driver.o driver
  </code></pre>
  
  <p>but i got error the following ;</p>
  
  <pre><code>/usr/sfw/bin/gcc -I/export/home/compkvar/compile/inc -L/export/home/compkvar/compile/lib -o driver driver.c -lprivate 
  Undefined                       first referenced
   symbol                             in file
  isinf                               /export/home/compkvar/compile/lib/libprivate.so
  ld: fatal: Symbol referencing errors. No output written to driver
  collect2: ld returned 1 exit status
  *** Error code 1
  make: Fatal error: Command failed for target `driver'
  </code></pre>
  
  <p>libprivate.so shared library is exist under '/export/home/compkvar/compile/lib' path but it couldn't found:</p>
  
  <pre><code>bash-3.00$ pwd
  /export/home/compkvar/compile/lib
  bash-3.00$ ls -latr
  total 14116
  drwxr-xr-x   2 compkvar other        512 Sep 12 15:34 .
  drwxr-xr-x   5 compkvar other        512 Sep 12 15:34 ..
  -rwxrwxrwx   1 compkvar other     761180 Sep 12 15:43 libprivate.so
  -rwxrwxrwx   1 compkvar other    2275492 Sep 12 15:43 libPricingFunctions.so
  -rwxrwxrwx   1 compkvar other    1104576 Sep 12 15:43 libprfUtilities.a
  -rwxrwxrwx   1 compkvar other    2275492 Sep 12 15:43 libPricingFunctions.so.1
  -rwxrwxrwx   1 compkvar other     761180 Sep 12 15:43 libprivate.so.1
  bash-3.00$ 
  </code></pre>
  
  <p>Thanks in advance.</p>