title: compiler doesn't know my include file
body: <p>I'm compiling my project using g++ and a jamroot file (jamroot.jam). I don't know why it doesn't know my files even it include the right directory.</p>
  
  <p>Here is the output:</p>
  
  <pre><code>"g++"  -ftemplate-depth-128 -O0 -fno-inline -Wall -g -fPIC  -DLINUX  \
    -I"/home/oumaya/docs/UT_Cpp_Test/main/inc" \
    -I"/home/oumaya/docs/UT_Cpp_Test/main/inc/include/cppunit" \
    -I"/home/oumaya/docs/UT_Cpp_Test/main/inc/include/cppunit/ui/qt" \
    -I"/usr/share/boost" -c -o "bin/build/gcc-4.6/debug/src/main.o" "src/main.cpp"
  
  In file included from src/main.cpp:6:0:
  /home/oumaya/docs/UT_Cpp_Test/main/inc/UT_Instrument_Test.hpp:7:45: fatal error:
    cppunit/extensions/HelperMacros.h :  No such file or directory  
  </code></pre>