[ntp:questions] Help with cross-compiling NTP for the Raspberry Pi requested

Rob Windgassen rwindgas at xs4all.nl
Thu Mar 6 20:24:54 UTC 2014


On Thu, 06 Mar 2014 16:20:27 +0000, David Taylor wrote:


> I looked for gcc on my system and found:
> 
> /home/david/kernel/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-
raspbian/lib/gcc
> /home/david/kernel/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-
raspbian/share/doc/gcc-linaro-arm-linux-gnueabihf-raspbian/html/gcc
> /home/david/kernel/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-
raspbian/libexec/gcc
> /home/david/kernel/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-
raspbian/arm-linux-gnueabihf/bin/gcc
> /home/david/kernel/tools/arm-bcm2708/arm-bcm2708-linux-gnueabi/lib/gcc
> /home/david/kernel/tools/arm-bcm2708/arm-bcm2708-linux-gnueabi/arm-
bcm2708-linux-gnueabi/bin/gcc
> /home/david/kernel/tools/arm-bcm2708/arm-bcm2708-linux-gnueabi/libexec/
gcc
> /home/david/kernel/tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/
lib/gcc
> /home/david/kernel/tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/
libexec/gcc
> /home/david/kernel/tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/
arm-bcm2708hardfp-linux-gnueabi/bin/gcc
> /usr/lib/gcc /usr/bin/gcc /usr/share/doc/gcc-4.7-base/gcc
> /usr/share/doc/gcc /usr/share/doc/gcc-4.6-base/gcc
> /usr/share/bash-completion/completions/gcc
> 
> Those in /home/david/kernel/tools/.. are ones which successfully
> compiled a new kernel and modules for the Rapsberry Pi, when using the
> CCPREFIX method.  I had:
> 
> CCPREFIX=/home/david/kernel/tools/arm-bcm2708/arm-bcm2708hardfp-linux-
gnueabi/bin/arm-bcm2708hardfp-linux-gnueabi-
> 
> export CCPREFIX
> 
> How, in very simple terms, may I apply the same for cross-compiling NTP?


When your kernel cross-compile was succesful you want to use the same 
compiler.
You can achieve that by setting CC on the line with configure like

CC=/home/david/kernel/tools/arm-bcm2708/arm-bcm2708hardfp-linux-gnueabi/
arm-bcm2708hardfp-linux-gnueabi/bin/gcc \
../configure


-- 
Rob



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