diff --git a/CMakeLists.txt b/CMakeLists.txt
index fe32c79b5..a1eeb3f92 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -450,6 +450,16 @@ else(DOXYGEN_FOUND)
      message(STATUS " Doxygen has not been found in your system.")
      message(STATUS " You can get nice code documentation by using it!")
      message(STATUS " Get it from http://www.stack.nl/~dimitri/doxygen/index.html")
+     if(OS_IS_LINUX)
+         if(${LINUX_DISTRIBUTION} MATCHES "Fedora" OR ${LINUX_DISTRIBUTION} MATCHES "Red Hat")
+             message(" or simply by doing 'sudo yum install doxygen-latex'.") 
+         else(${LINUX_DISTRIBUTION} MATCHES "Fedora" OR ${LINUX_DISTRIBUTION} MATCHES "Red Hat")
+             message(" or simply by doing 'sudo apt-get install doxygen-latex'.") 
+         endif(${LINUX_DISTRIBUTION} MATCHES "Fedora" OR ${LINUX_DISTRIBUTION} MATCHES "Red Hat")
+     endif(OS_IS_LINUX)
+     if(OS_IS_MACOSX)
+         message(STATUS " or simply by doing 'sudo port install doxygen +latex'.")
+     endif(OS_IS_MACOSX)
 endif(DOXYGEN_FOUND)
 
 
@@ -463,7 +473,7 @@ if(OS_IS_LINUX)
     if(NOT LAPACK)
         message(" The LAPACK library has not been found.")
         message(" You can try to install it by typing:")
-         if(${LINUX_DISTRIBUTION} MATCHES "Fedora" OR ${LINUX_DISTRIBUTION} MATCHES "Red Hat")
+        if(${LINUX_DISTRIBUTION} MATCHES "Fedora" OR ${LINUX_DISTRIBUTION} MATCHES "Red Hat")
             message(" sudo yum install lapack-devel") 
         else(${LINUX_DISTRIBUTION} MATCHES "Fedora" OR ${LINUX_DISTRIBUTION} MATCHES "Red Hat")
             message(" sudo apt-get install liblapack-dev")