I tried to compile c++ program with openMP directives, but the compiler (gcc version 4.4.2) can not find omp.h I tried to install libgomp1: 1) rpm -ivh libgomp1-4.4.2-5mnb2.i586.rpm Préparation... ########################################### [100%] paquetage libgomp1-4.4.2-5mnb2.i586 already installed 2) locate libgomp /usr/lib/libgomp.so.1 /usr/lib/libgomp.so.1.0.0 but I can not find omp.h in /usr/include any one has an idea about this problem, I waist alot of time searching in internet for a solution but in vain thank you for your help Asma