[MacPorts] #20804: conflicting header file with gl.h

[MacPorts]

#20804: conflicting header file with gl.h
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 Reporter:  adi_himawan@…          |       Owner:  macports-tickets@…                   
     Type:  defect                 |      Status:  new                                  
 Priority:  Normal                 |   Milestone:                                       
Component:  ports                  |     Version:  1.7.1                                
 Keywords:                         |        Port:  glew                                 
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 I'm trying to install enblend and got the following errors[[BR]]
 {{{
 /opt/local/include/GL/gl.h:1737: error: conflicting declaration 'typedef
 void (* PFNGLTEXIMAGE3DPROC)(GLenum, GLint, GLenum, GLsizei, GLsizei,
 GLsizei, GLint, GLenum, GLenum, const GLvoid*)'
 /opt/local/include/GL/glew.h:1190: error: 'PFNGLTEXIMAGE3DPROC' has a
 previous declaration as 'typedef void (* PFNGLTEXIMAGE3DPROC)(GLenum,
 GLint, GLint, GLsizei, GLsizei, GLsizei, GLint, GLenum, GLenum, const
 GLvoid*)'
 /opt/local/include/GL/gl.h:1841: error: conflicting declaration 'typedef
 void (* PFNGLSECONDARYCOLORPOINTERPROC)(GLint, GLenum, GLsizei, const
 GLvoid*)'
 /opt/local/include/GL/glew.h:1477: error: 'PFNGLSECONDARYCOLORPOINTERPROC'
 has a previous declaration as 'typedef void (*
 PFNGLSECONDARYCOLORPOINTERPROC)(GLint, GLenum, GLsizei, GLvoid*)'
 /opt/local/include/GL/gl.h:1843: error: conflicting declaration 'typedef
 void (* PFNGLPOINTPARAMETERFVPROC)(GLenum, const GLfloat*)'
 /opt/local/include/GL/glew.h:1458: error: 'PFNGLPOINTPARAMETERFVPROC' has
 a previous declaration as 'typedef void (*
 PFNGLPOINTPARAMETERFVPROC)(GLenum, GLfloat*)'
 /opt/local/include/GL/gl.h:1845: error: conflicting declaration 'typedef
 void (* PFNGLPOINTPARAMETERIVPROC)(GLenum, const GLint*)'
 /opt/local/include/GL/glew.h:1460: error: 'PFNGLPOINTPARAMETERIVPROC' has
 a previous declaration as 'typedef void (*
 PFNGLPOINTPARAMETERIVPROC)(GLenum, GLint*)'
 /opt/local/include/GL/gl.h:1847: error: conflicting declaration 'typedef
 void (* PFNGLMULTIDRAWARRAYSPROC)(GLenum, const GLint*, const GLsizei*,
 GLsizei)'
 /opt/local/include/GL/glew.h:1455: error: 'PFNGLMULTIDRAWARRAYSPROC' has a
 previous declaration as 'typedef void (* PFNGLMULTIDRAWARRAYSPROC)(GLenum,
 GLint*, GLsizei*, GLsizei)'
 /opt/local/include/GL/gl.h:1848: error: conflicting declaration 'typedef
 void (* PFNGLMULTIDRAWELEMENTSPROC)(GLenum, const GLsizei*, GLenum, const
 GLvoid**, GLsizei)'
 /opt/local/include/GL/glew.h:1456: error: 'PFNGLMULTIDRAWELEMENTSPROC' has
 a previous declaration as 'typedef void (*
 PFNGLMULTIDRAWELEMENTSPROC)(GLenum, GLsizei*, GLenum, const GLvoid**,
 GLsizei)'
 /opt/local/include/GL/gl.h:1927: error: conflicting declaration 'typedef
 void (* PFNGLGETVERTEXATTRIBPOINTERVPROC)(GLuint, GLenum, GLvoid**)'
 /opt/local/include/GL/glew.h:1766: error:
 'PFNGLGETVERTEXATTRIBPOINTERVPROC' has a previous declaration as 'typedef
 void (* PFNGLGETVERTEXATTRIBPOINTERVPROC)(GLuint, GLenum, GLvoid*)'
 /opt/local/include/GL/gl.h:1969: error: conflicting declaration 'typedef
 void (* PFNGLGETSHADERSOURCEPROC)(GLuint, GLsizei, GLsizei*, GLchar*)'
 /opt/local/include/GL/glew.h:1761: error: 'PFNGLGETSHADERSOURCEPROC' has a
 previous declaration as 'typedef void (* PFNGLGETSHADERSOURCEPROC)(GLint,
 GLsizei, GLsizei*, GLchar*)'
 }}}

 My guess is it is because gl.h in my mac define the macro __X_GL_H instead
 of __gl_h_ or __GL_H__

 These are a few lines from my gl.h
 {{{
 #ifndef __X_GL_H
 #define __X_GL_H
 }}}

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Ticket URL: <http://trac.macports.org/ticket/20804>
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