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README.clang: update FreeBSD instructions

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The mentioned binutils port got removed while the patch was
pending. As Ian pointed out there is another port providing
the binutils for arm now. Update the instructions accordingly.

Cc: ian@FreeBSD.org
Cc: Tom Rini <trini@ti.com>
Signed-off-by: Jeroen Hofstee <jeroen@myspectrum.nl>
This commit is contained in:
Jeroen Hofstee 2014-09-21 10:20:22 +02:00 • committed by Tom Rini
parent 0a5051ce6e
commit 92c2dc0f64
1 changed files with 4 additions and 4 deletions
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8
doc/README.clang
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@ -34,21 +34,21 @@ make HOSTCC=clang CC="clang -target $TRIPLET -mllvm -arm-use-movt=0 -no-integrat
FreeBSD 11 (Current):
--------------------
Since llvm 3.4 is currently in the base system, the integrated as is
incapable of building U-Boot. Therefore gas from devel/arm-eabi-binutils
incapable of building U-Boot. Therefore gas from devel/arm-gnueabi-binutils
is used instead. It needs a symlinks to be picked up correctly though:
ln -s /usr/local/bin/arm-eabi-as /usr/bin/arm-freebsd-eabi-as
ln -s /usr/local/bin/arm-gnueabi-freebsd-as /usr/bin/arm-freebsd-eabi-as
# The following commands compile U-Boot using the clang xdev toolchain.
# NOTE: CROSS_COMPILE and target differ on purpose!
export CROSS_COMPILE=arm-eabi-
export CROSS_COMPILE=arm-gnueabi-freebsd-
gmake CC="clang -target arm-freebsd-eabi --sysroot /usr/arm-freebsd -no-integrated-as -mllvm -arm-use-movt=0" rpi_b_defconfig
gmake CC="clang -target arm-freebsd-eabi --sysroot /usr/arm-freebsd -no-integrated-as -mllvm -arm-use-movt=0" -j8
Given that u-boot will default to gcc, above commands can be
simplified with a simple wrapper script, listed below.
/usr/local/bin/arm-eabi-gcc
/usr/local/bin/arm-gnueabi-freebsd-gcc
---
#!/bin/sh