[cfe-dev] New user: Linux: undefined reference to fetestexcept

Fred J. Tydeman tydeman at tybor.com
Mon Jul 18 08:20:34 PDT 2011

On Sat, 16 Jul 2011 20:47:26 -0700 Patrick Pelletier wrote:
>>Are there headers or libraries that I need to tell
>>the compiler about?
>You probably need "-lm".  Not a clang-specific thing, though; 
>you'd need that for gcc, too.

You are correct.  Thanks.  When I see -lm, I think math library,
which to me is just <math.h>.  But, it is probably also <fenv.h>
and <complex.h>, and maybe others.

Fred J. Tydeman        Tydeman Consulting
tydeman at tybor.com      Testing, numerics, programming
+1 (775) 358-9748      Vice-chair of PL22.11 (ANSI "C")
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