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

[MacPorts]

#20804: conflicting header file with gl.h
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  Reporter:  adi_himawan@…          |       Owner:  jmr@…           
      Type:  defect                 |      Status:  reopened        
  Priority:  Normal                 |   Milestone:                  
 Component:  ports                  |     Version:  1.7.1           
Resolution:                         |    Keywords:                  
      Port:  enblend glew           |  
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Comment(by natasapjescic@…):

 Replying to [ticket:20804 adi_himawan@…]:
 > 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
 > }}}

 Hi all, I am sorry if this is not good question, but I can't find
 solution. I've tried to build some libraries and I got the errors:

 /usr/X11/include/GL/gl.h:1850: 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*)’
 /usr/X11/include/GL/gl.h:1852: 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*)’
 /usr/X11/include/GL/gl.h:1854: 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*)’ /usr/X11/include/GL/gl.h:1856:
 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)’ /usr/X11/include/GL/gl.h:1857: 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)’ /usr/X11/include/GL/gl.h:1936: 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*)’
 /usr/X11/include/GL/gl.h:1978: 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*)’
 /Users/natasa/src/EM/superpixels/lib/rays3d/test_rays3d.cpp: In function
 ‘int test1()’:
 /Users/natasa/src/EM/superpixels/lib/rays3d/test_rays3d.cpp:219: warning:
 unused variable ‘filename’ make[2]: ***
 [CMakeFiles/test3dRays.dir/test_rays3d.o] Error 1 make[1]: ***
 [CMakeFiles/test3dRays.dir/all] Error 2 make: *** [all] Error 2

 I saw that someone before had similar problem, but I can't find solution.
 :( Can anybody help me... Thank you in advance, Natasa

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Ticket URL: <https://trac.macports.org/ticket/20804#comment:5>
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