Date: Thu, 07 Nov 2013 23:21:33 +0100 From: John Spencer <maillist-musl@...fooze.de> To: dave+gmane@...rtele.com CC: musl@...ts.openwall.com Subject: Re: arm softfp compatibility arch/fpu in gcc-4.8.2 David Wuertele wrote: > Just starting with musl, http://wiki.musl-libc.org/wiki/Getting_started said > for my Tegra 3 to use > > --with-arch=armv7-a --with-float=hard --with-fpu=vfpv3-d16 > > This works fine except for one thing -- I have some libraries built with a > soft-float toolchain that I need to link against. The VFP register seems to be > the problem: > > arm-linux-musleabihf/4.8.2/../../../../arm-linux-musleabihf/bin/ld: error: sign > uses VFP register arguments, lib/armeabi/libXXX.a(YYY.o) does not "does not" is not really a helpful error message. > arm-linux-musleabihf/4.8.2/../../../../arm-linux-musleabihf/bin/ld: failed to > merge target specific data of file lib/armeabi/libXXX.a(YYY.o) > > What arch/fpu should I use to build a toolchain that can link against this > library? if you need to link to proprietary softfloat modules, you have to use "softfp" float mode. that one is compatible to soft, but makes full use of the FPU.
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