Re: musl vs wireless-tools

[Isaac Dunham <idunham@lavabit.com>]

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On Fri, 20 Apr 2012 11:39:18 -0400
Rich Felker <dalias@aerifal.cx> wrote:

> On Fri, Apr 20, 2012 at 08:33:11AM -0700, Isaac Dunham wrote:
> > wireless-tools (version 30-pre9 from Ubuntu's repos tested) appears
> > to _hate_ musl...
> > I have yet to figure out exactly where the problem is.
> > Part of it seems to be __* macros; one of the headers
> > 
> > Note-Ignore the "missing" headers other than those under linux/ 
> > I just ran a script that tested whether all headers could be found
> > in the musl include  dir; the other headers (rfkill.h, etc) are
> > included in the sources.
> > 
> > It looks like some of it may be use of linux/ headers instead of
> > sys/ headers, from checking the patches.
> 
> asm/* and asm-generic/* are linux headers. If you've installed the
> linux kernel headers, all should be fine. Personally I install them
> under an alternate path and only add -I for this path when building
> programs that actually have a reason to be looking at Linux headers..
Getting farther...
But still not working.

Here it looks like musl-gcc may be forgetting the -lm  I gave it.

Isaac Dunham

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musl-gcc -Os -W -Wall -Wstrict-prototypes -I. -DIW_USES_ITS_OWN_DOGFOOD -I/opt/musl/linux-headers/include -D_GNU_SOURCE -MMD     -fPIC -c -o iwlib.so iwlib.c
musl-gcc -shared -o libiw.so.30 -Wl,-soname,libiw.so.30  -lm -lc iwlib.so
musl-gcc -Os -W -Wall -Wstrict-prototypes -I. -DIW_USES_ITS_OWN_DOGFOOD -I/opt/musl/linux-headers/include -D_GNU_SOURCE -MMD     -c iwconfig.c
musl-gcc   -Os -W -Wall -Wstrict-prototypes -I. -DIW_USES_ITS_OWN_DOGFOOD -I/opt/musl/linux-headers/include -D_GNU_SOURCE -MMD     -o iwconfig iwconfig.o libiw.so.30
/usr/bin/ld: warning: cannot find entry symbol _start; defaulting to 0000000008048c68
libiw.so.30: undefined reference to `ceil'
libiw.so.30: undefined reference to `floor'
libiw.so.30: undefined reference to `pow'
libiw.so.30: undefined reference to `log10'
collect2: ld returned 1 exit status
make: *** [iwconfig] Error 1