<div data-ntes="ntes_mail_body_root" style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><p style="margin:0;">Thanks Shreyas,</p><p style="margin:0;"><br></p><p style="margin:0;">I successfully  solve the problem according to your suggestion.But then I got another problem that  the compilation stucked at  this step:</p><p style="margin:0;"><br></p><p style="margin:0;">@@ Created ./autodiff_init_varia_b.msg</p><p style="margin:0;"><br></p><p style="margin:0;">I was waiting for at least 1 hour and no error  reported so I stopped it.</p><p style="margin:0;"><br></p><p style="margin:0;">I attach the compilation file in compile.log and environment variable in .bashrc.</p><p style="margin:0;"><br></p><div style="margin:0;">Thanks for any suggestions,</div><p style="margin:0;">Haoran</p></div><img style="width:1px;height:1px" src="https://count.mail.163.com/beacon/webmail.gif?type=webmail_mailtrace&guid=pre_666391acde02f13819e74c10aed5dd3e">