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Thanks!
I'm using a combination AVR Freaks version with avrgcc128 beta 2 that
works fine for me. However the AVR Freaks uses 2 makefiles with a line to
add any other libraries. You're right in that I had to move the library to
the local project; I didn't know about that switch to look it up in the
compiler's library path.
When migrating to AVR GCC from another compiler (like I have
recently), how / where is one supposed to find out that the standard C
math routines are in a seperate library file? I applaud AVR Freaks for
trying to make the compiler easy to install and use (it worked for me at
any rate), but a little more documentation would help.
Anyway, thanks for the additional info!
Eric
-------Original Message-------
From: Joerg Wunsch
Date: Thursday, July
25, 2002 11:14:02 AM
To: address@hidden
Subject: Re:
[avr-gcc-list] strange behaviour with ceil() > Add the libm.a library to the files you want to link together. The usual way for adding a library is to specify "-lm" at the end of your compiler command line that performs the linkage step. But arguably, for the AVR that has only static linkage, there's not much difference in it to specifying libm.a directly except that specifying it directly requires either the full pathname to the file or the file being in the current directory, while -lm will look it up in the compiler's library path. (On architectures that offer dynamic linkage, there's much more difference between both.) -- J"org Wunsch Unix support engineer address@hidden http://www.interface-systems.de/~j/ avr-gcc-list at http://avr1.org . |
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