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Altera_Forum
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13 years ago

problem with math.h 's function in Eclipse

hello, I made a system with Qsys which just contain a Nios II processor and its On-chip-memory. then , I use the .sopcinfo File generated by Qsys to create a nios II application with Eclipse....
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

Gotta link it against the library libm... "-lm" needs to be added at the tail end of your compilation command. This is not specific to Nios II. It wouldn't work with any GCC compiler without linking against libm.