/usr/share/netgen/libsrc/include/incvis.hpp is in netgen-headers 4.9.13.dfsg-8build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 | // libraries for User interface:
#include <tcl.h>
#include <tk.h>
// #include "/opt/tcltk86/include/tcl.h"
// #include "/opt/tcltk86/include/tk.h"
#if TK_MAJOR_VERSION==8 && TK_MINOR_VERSION>=4
#define tcl_const const
#else
#define tcl_const
#endif
# if defined(TOGL_AGL) || defined(TOGL_AGL_CLASSIC)
# include <OpenGL/gl.h>
# include <OpenGL/glu.h>
# else
# include <GL/gl.h>
# include <GL/glu.h>
# endif
#ifdef TOGL_X11
// parallel
#define GLX_GLXEXT_PROTOTYPES
#include <GL/glx.h>
#include <GL/glxext.h>
#endif
// part of OpenGL 1.2, but not in Microsoft's OpenGL 1.1 header:
// GL version sould be checked at runtime
#ifndef GL_CLAMP_TO_EDGE
#define GL_CLAMP_TO_EDGE 0x812F
#endif
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