I know I already asked this question before, but I had some problems with my mail and I have to ask again.... (sorry) Please help me... I?m trying to compile samba3 with mysql on Redhat9 and I get the following error with this command line: ./configure --with-expsam=xml,mysql --with-pam --with-pam_smbpass configure: error: --with-pam specified but no PAM headers found and ./configure --with-expsam=xml,mysql --with-pam_smbpass configure: error: No security/pam_appl.h found and ./configure --with-expsam=xml,mysql checking configure summary... configure: error: summary failure. Aborting config PLEASE SOMEONE HELP ME!!!!