|To:||Matej Kupljen <firstname.lastname@example.org>|
|Subject:||Re: MIPS SF toolchain|
|From:||David Daney <email@example.com>|
|Date:||Wed, 07 Sep 2005 08:33:36 -0700|
|User-agent:||Mozilla Thunderbird 1.0.6-1.1.fc3 (X11/20050720)|
Matej Kupljen wrote:
Hi Can somebody tell me, what is the right way to make a soft float toolchain. I tried with crosstool with different flags for configureand gcc, but the resulting binaries still contains the FP instructions, like swc1.I used --with-float=soft and --nfp for gcc configure, --without-fp for glibc configure, and compiled glibc with -msoft-float flag. Am I missing something, or am I using the wrong flags? GCC: 3.3.5 GLIBC: 2.3.5 BINUTILS: 2.15
On gcc 3.3.x --with-float=soft does nothing. If you are using a MIPS32 ISA processor you can configure it with --target=mipsisa32[el]-linux to get soft float and MIPS32 ISA by default.
But even better would be to use gcc 3.4.x or 4.0.x where --with-float=soft works. I would also recommend binutils 2.16.1 or above as there are some severe bugs in the mips linker in earlier versions.
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