Re: Where is sqrtf?
Re: Where is sqrtf?
- Subject: Re: Where is sqrtf?
- From: Jerry <email@hidden>
- Date: Sun, 9 Jan 2005 16:16:59 +0000
On 9 Jan 2005, at 04:50, Eric Albert wrote:
On Jan 8, 2005, at 7:18 PM, Robert Purves wrote:
Note: -lmx is required for C99 float functions such as sqrtf, in
math.h
When I try the same in Xcode (with -lmx specified in Other C Flags),
I get an error:
gcc-3.3: -lmx: linker input file unused because linking not done
ld: Undefined symbols: _sqrtf
How can I persuade Xcode that sqrtf exists?
Other C Flags is used for compiling, but -lmx is a linker flag. Other
Linker Flags is used for linking. Set that and this'll work.
A more Xcode-like way to do this is to add /usr/lib/libmx.dylib to
your project: Project->Add To Project, type '/' to get a Go To dialog,
go to /usr/lib, select libmx.dylib, and then build.
If you use libmx, your app won't run under Jaguar because all the 'f'
functions were in libm on Jaguar. Does anyone know a way to work round
this?
Jerry
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