I am newbee to buildroot. I can see multiple gccs in buildroot. I assume all are for cross compilation. What are the difference between those ? Answer The one you should use is buildroot-2012.05/output/host/usr/bin/arm-unknown-linux-uclibcgnueabi-gcc. The other ones are purely internals binaries.

Buildroot : Which gcc for cross compilation?

I am newbee to buildroot. I can see multiple gccs in buildroot. I assume all are for cross compilation. What are the difference between those ?

buildroot-2012.05/output/host/usr/bin/arm-unknown-linux-uclibcgnueabi-gcc
buildroot-2012.05/output/host/usr/libexec/gcc
buildroot-2012.05/output/host/usr/arm-linux/bin/gcc
buildroot-2012.05/output/host/usr/arm-unknown-linux-uclibcgnueabi/bin/gcc

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buildroot-2012.05/output/host/usr/bin/arm-unknown-linux-uclibcgnueabi-gccbuildroot-2012.05/output/host/usr/libexec/gccbuildroot-2012.05/output/host/usr/arm-linux/bin/gccbuildroot-2012.05/output/host/usr/arm-unknown-linux-uclibcgnueabi/bin/gcc​

Answer

The one you should use is buildroot-2012.05/output/host/usr/bin/arm-unknown-linux-uclibcgnueabi-gcc. The other ones are purely internals binaries.

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