From: Ilija Kocho <ilijak@siva.com.mk>
To: Davide Pippa <thepyper@gmail.com>
Cc: ecos-discuss@sourceware.org
Subject: Re: [ECOS] GCC toolchain with HW floating-point enabled
Date: Tue, 04 Jun 2013 11:35:00 -0000 [thread overview]
Message-ID: <51ADCCC1.3040208@siva.com.mk> (raw)
In-Reply-To: <CAJuNW1OkMmtEM8gbHEqp1u67WTkfCxMZoG5DNzSu+pP+0WW4MQ@mail.gmail.com>
On 04.06.2013 12:41, Davide Pippa wrote:
> Hi!
[SNIP]
> arm-eabi-g++ -I"H:/Works/Arm/PyIde/roms/04001_TWR-K70F120M/include"
> -O0 -Wall -Wa,-adhlns="main.o.lst" -fno-exceptions -fno-rtti -c
> -fmessage-length=0 -MMD -MP -MF"main.d" -MT"main.d" -mcpu=cortex-m4
> -mthumb -mfloat-abi=hard -mfpu=vfpv4-d16 -g3 -gdwarf-2 -o "main.o"
> "../main.cpp"
>
> I've seen there is many libgcc versions in the toolchain directory
> (gnuttols/arm-eabi/lib/gcc/), which should I pick?
> Is there some compiler flags to indicate which version to pick, or
> should I just copy files over the version that currently is being
> linked?
>
GCC will select correct libraries on a base of floating point flags.
Therefore you need to provide same floating point flags for compilation
and linking.
HTH
Ilija
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next prev parent reply other threads:[~2013-06-04 11:35 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-06 10:23 Davide Pippa
2013-04-06 10:41 ` Ilija Kocho
2013-06-04 10:41 ` Davide Pippa
2013-06-04 11:24 ` Ilija Kocho
2013-06-04 11:35 ` Ilija Kocho [this message]
2013-06-04 12:22 ` Davide Pippa
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