On 26 November 2013 13:22, dellair jie wrote: > Thanks Jon, > > Regarding the "permisison denied" error, I have added > "-DLOCAL_INCLUDE_DIR" and setup the environment variable to > /usr/include folder. I'm not sure what you've done here. It would help to show the exact commands you used. > However, I am still getting it in config.log. > > Any ideas on how to get this solved? > > Our environment is setup like: > All standard head files are under /usr/include > The /usr/local/include exist but only readable to root. GCC cannot be used if one of the directories in its search path is not readable. Have you tried using the --with-local-prefix=/usr configuration option? See http://gcc.gnu.org/install/configure.html