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Re: Error building crossgcc on cygwin

On 05/14/2013 10:04 AM, Josef Wolf wrote:

I am trying to compile gcc on cygwin under 64bit win7

To configure gcc, I use the following command:

  /var/tmp/builds/crossgcc/src/gcc-4.7.2/configure \
    --prefix=/usr/local/crossgcc \
    --with-gmp=/usr/x86_64-pc-cygwin/sys-root/usr \
    --with-mpc=/usr/x86_64-pc-cygwin/sys-root/usr \
    --with-mpfr=/usr/x86_64-pc-cygwin/sys-root/usr \
    --enable-install-libbfd \
    --enable-languages=c \
    --with-gnu-ld \
    --with-gnu-as \
    --with-newlib \
    --enable-commonbfdlib \
    --enable-multilib \
    --enable-interwork \
    --disable-libssp \
    --nfp \
    --gas \
    -v \
    --target=arm-none-eabi \
    --with-cpu=cortex-m3 \
    --with-tune=cortex-m3 \
    --with-mode=thumb \
    --with-float=soft \
    --disable-nls \

But configure complains that it can't find gmp, mpc and mpfr. Here is the
relevant part of the config.log file. Any ideas? The whole cponfig.log is
appended at the end of this mail.

cygwin native installations of those tools won't help with a non-cygwin target. Maybe this would be more suitable for gcc-help. In particular, you might give attention to the download-prerequisites.

Tim Prince

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