Tatsuro MATSUOKA wrote on 19 September 2008 08:50:
> Hello
>
> I could not build ftgl-2.1.3~rc5.
> FTVectoriser.cpp: In member function 'void
> FTVectoriser::MakeMesh(FTGL_DOUBLE, int, float)': FTVectoriser.cpp:275:
> error: invalid conversion from 'GLvoid (*)()' to 'void (*)()'
> FTVectoriser.cpp:275: error: initializing argument 3 of 'void
> gluTessCallback(GLUtesselator*, GLenum, void (*)())'
> FTVectoriser.cpp:276: error: invalid conversion from 'GLvoid (*)()' to
> 'void (*)()' FTVectoriser.cpp:276: error: initializing argument 3 of
> 'void gluTessCallback(GLUtesselator*, GLenum, void (*)())'
> FTVectoriser.cpp:277: error: invalid conversion from 'GLvoid (*)()' to
> 'void (*)()' FTVectoriser.cpp:277: error: initializing argument 3 of
> 'void gluTessCallback(GLUtesselator*, GLenum, void (*)())'
> FTVectoriser.cpp:278: error: invalid conversion from 'GLvoid (*)()' to
> 'void (*)()' FTVectoriser.cpp:278: error: initializing argument 3 of
> 'void gluTessCallback(GLUtesselator*, GLenum, void (*)())'
> FTVectoriser.cpp:279: error: invalid conversion from 'GLvoid (*)()' to
> 'void (*)()' FTVectoriser.cpp:279: error: initializing argument 3 of
> 'void gluTessCallback(GLUtesselator*, GLenum, void (*)())'
> on gcc-3.4.4-3 the same error occurred.
>
> However on mingw, I could build it after some modification about opengl
> on windows. FTVectoriser.cpp was comliped without errors on mingw.
>
> So it seems that it is a gcc on cygwin specfic issue.
>
> How can I overcome this issue?
This sounds like the sort of C++ compat issue that might be given leeway by
adding -fpermissive to your CXXFLAGS.
cheers,
DaveK
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