Helge in my system, i could able to find personality.h in 4 different places. /usr/lib/x86_64-redhat-linux3E/include/sys/personality.h /usr/include/linux/personality.h /usr/include/sys/personality.h /usr/src/kernels/2.6.9-42.EL-x86_64/include/linux/personality.h But amoung the above 4 file only in "/usr/src/kernels/2.6.9-42.EL-x86_64/include/linux/personality.h " i could able to find the macro "PER_CLEAR_ON_SETID" defined as #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC) Do i need to modify this .h file? Please advice. -- View this message in context: http://www.nabble.com/GCC-Compilation-problem-in-HP-LINUX-server-tp24806245p24820979.html Sent from the gcc - Help mailing list archive at Nabble.com.