Date: Thu, 7 Nov 2013 22:35:24 +0000 (UTC) From: David Wuertele <dave+gmane@...rtele.com> To: musl@...ts.openwall.com Subject: Re: arm softfp compatibility arch/fpu in gcc-4.8.2 John Spencer <maillist-musl <at> barfooze.de> writes: > > 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. Thanks! That was what I was hoping. I see that gcc-4.8.2 supports "--with-float=softfp". I'm confused about what to use for "--with-fpu", if anything. My choices are: | vfp | vfp3 | vfpv3 \ | vfpv3-fp16 | vfpv3-d16 | vfpv3-d16-fp16 | vfpv3xd \ | vfpv3xd-fp16 | neon | neon-fp16 | vfpv4 | vfpv4-d16 \ | fpv4-sp-d16 | neon-vfpv4 | fp-arm-v8 | neon-fp-armv8 \ | crypto-neon-fp-armv8) If I omit the "--with-fpu", will it just default to use soft float all the time? Dave
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