Re: [Plib-devel] Compiling problems in SGI Irix 6.5.7

[Curtis L. O. <cu...@me...>]

Wein,

You might try 'grep'ing through your /usr/include directory for this
missing identifyer.  It could be that for irix, you need an additional
#include.

Regards,

Curt.

Wein Gui writes:
>   Hi, friends,
> 
>   I am trying my first compilation of Plib for FlightGear, and use SGI
>   Octane machine's 7.3 C++ compiler in IRIX 6.5.7.
> 
>   I have installed all the needed libraries without any problems and
>   configure is happy. But now when I tried to "make", it stops on an 
>   error:
> 
>   --------------------------Error 1-------------------------- 
>   CC -DPACKAGE=\"plib\" -DVERSION=\"1.1.11\" -DHAVE_LIBGLCORE=1
>   -DHAVE_LIBGL=1 -DHAVE_LIBGLU=1 -DHAVE_LIBGLUT
>   =1 -DHAVE_LIBAUDIO=1 -DSTDC_HEADERS=1 -DHAVE_GL_GL_H=1 -DHAVE_GL_GLU_H=1
>   -DGLUT_IS_PRESENT=1 -I. -I. -g -I/usr/local/include
>   -L/usr/local/lib -c sgIsect.cxx
>   cc-1020 CC: ERROR File = sgIsect.cxx, Line = 29
>   The identifier "FLT_EPSILON" is undefined.
> 
>   if ( dnorm < FLT_EPSILON )
>   ^
> 
>   cc-1020 CC: ERROR File = sgIsect.cxx, Line = 89
>   The identifier "FLT_EPSILON" is undefined.
> 
>   if ( sgAbs ( tmp ) < FLT_EPSILON )
>   ^
> 
>   cc-1020 CC: ERROR File = sgIsect.cxx, Line = 127
>   The identifier "FLT_EPSILON" is undefined.
> 
>   if ( dist < FLT_EPSILON )
>   ^
>   3 errors detected in the compilation of "sgIsect.cxx".
>   *** Error code 2 (bu21)
>   *** Error code 1 (bu21)
>   *** Error code 1 (bu21)
>   -------------------Error 1 end-----------------------
> 
> 
> 
> 
>   I define the FLT_EPSILON to a value randomly, say, 1.0, 
>   it continues "make" and stops at another big error:
> 
>   -------------------Error 2 begin-----------------
> 
> 
>   cc-1133 CC: ERROR File = ssgSimpleState.cxx, Line = 18
>   Expression must be a modifiable lvalue.
> 
>   specular_colour = src -> specular_colour ;
>   ^
> 
>   cc-1133 CC: ERROR File = ssgSimpleState.cxx, Line = 19
>   Expression must be a modifiable lvalue.
> 
>   emission_colour = src -> emission_colour ;
>   ^
> 
>   cc-1133 CC: ERROR File = ssgSimpleState.cxx, Line = 20
>   Expression must be a modifiable lvalue.
> 
>   ambient_colour = src -> ambient_colour ;
>   ^
> 
>   cc-1133 CC: ERROR File = ssgSimpleState.cxx, Line = 21
>   Expression must be a modifiable lvalue.
> 
>   diffuse_colour = src -> diffuse_colour ;
>   ^
> 
>   4 errors detected in the compilation of "ssgSimpleState.cxx".
>   *** Error code 2 (bu21)
>   *** Error code 1 (bu21)
>   *** Error code 1 (bu21)
> 
>   ------------------------------------
> 
> 
>   How to solve these problems? Would you please kindly enough
>   to help me to finish "make" in SGI environment?
> 
>   Many thanks.
> 
>   -Wein
> 
> 
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-- 
Curtis Olson   Human Factors Research Lab       Flight Gear Project
Twin Cities    cu...@hf...                cu...@fl...
Minnesota      http://www.menet.umn.edu/~curt   http://www.flightgear.org