error: GL/gl.h: No such file or directory so please suggest me this is Qt problem or Linux

[ajay]

i have install qt-5.0.4 on rhel linux 7 64 bit(intel i7 4770) . when do i run the gui based program error: GL/gl.h: No such file or directory so please suggest me this is Qt problem or Linux
how can solve problem

[JKSH]

Thread closed. Duplicate of http://forum.qt.io/topic/52164/error-gl-gl-h-no-such-file-or-directory-so-please-suggest-me-this-is-qt-problem-or-linux/