Conditional compilation

[3oheicrw]

This piece of code: https://github.com/3oheicrw/SGL-FreeBAS ... l_test.bas

Currently I hard coded it to link with "sgl64". I want something like this:

if 32 bit windows then link with "sgl32"
if 64 bit windows then link with "sgl64"
else error not supported

Please help.

[srvaldez]

in the FB help file search for __FB and you will get helpful information, for example

Code: Select all

#ifdef __FB_64BIT__
  '...instructions for 64bit OSes...
#else
  '...instructions for other OSes
#endif 

[3oheicrw]

I come up with something crazy like this. Hope someone could help me to optimize/simplify it.

Code: Select all

#ifdef __FB_WIN32__
   #ifdef __FB_X86__
      #ifdef __FB_64BIT__
         #inclib "sgl64"
      #else
         #inclib "sgl32"
      #endif
   #else
      #error Unsupported architecture
   #endif
#else
   #error Unsupported OS
#endif

[Xusinboy Bekchanov]

I come up with something crazy like this. Hope someone could help me to optimize/simplify it.

So:

Code: Select all

#ifdef __FB_WIN32__
      #ifdef __FB_64BIT__
         #inclib "sgl64"
      #else
         #inclib "sgl32"
      #endif
#else
   #error Unsupported OS
#endif

[3oheicrw]

I come up with something crazy like this. Hope someone could help me to optimize/simplify it.

So:

Code: Select all

#ifdef __FB_WIN32__
      #ifdef __FB_64BIT__
         #inclib "sgl64"
      #else
         #inclib "sgl32"
      #endif
#else
   #error Unsupported OS
#endif

Is it enough? Windows now supports ARM too. __FB_64BIT__ only tells you it's 64 bit or not but it's not equivalent to x86_64, it could be arm64.

[Xusinboy Bekchanov]

Is it enough? Windows now supports ARM too. __FB_64BIT__ only tells you it's 64 bit or not but it's not equivalent to x86_64, it could be arm64.

You can use your variant. I haven't heard this before.

[marcov]

In general, only use the ELSE clause for the errors, never assume anything about the ELSE clause.
Name all other ones explicitly.

Code like above only inspires people to write a 16-bit port.