On Fri, Feb 10, 2012 at 11:53 AM, Stian Sletner <stian@sletner.com> wrote:

Any idea what could be the problem?  I've made test programs calling
ceill() and floorl() with no problem (they don't even require -lm), so
this has me stumped.

ECL has detected that your compiler supports "long double" types but the mathematical library does not provide support for them. Try --disable-longdouble

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