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See crosstool-NG for lots more information.
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On 7 May 2012 04:36, Thomas Petazzoni <thomas.petazzoni@free-electrons.com> wrote: > Hello Michael, > > Le Fri, 23 Mar 2012 14:22:55 +1300, > Michael Hope <michael.hope@linaro.org> a écrit : > >> Hi there. ?Why does crosstool-NG create a symlink from >> $tuple/$sysroot/lib to $tuple/lib? ?It causes GCC to install support >> libraries like libgcc_s.so into the sysroot instead of the default >> location which makes it tricky to replace the sysroot later. > > On the other hand, this was making things simple and easy for tools > like Buildroot to leverage the pre-built Linaro toolchains. The Linaro, > Sourcery CodeBench, Crosstool-NG and Buildroot toolchains all behaved > the same by installing all the libraries into the sysroot, so it was > easy to support all of them: we just copy the complete sysroot into a > "staging" directory, into which we add more libraries/headers as we > build stuff for the target. > > Since Linaro 2012.03 (and therefore 2012.04), this simple idea doesn't > work anymore as Linaro toolchains have important stuff installed > outside of the sysroot, which makes it a lot more complicated for > Buildroot to handle (and I guess possibly other similar tools). Hi Thomas. CodeSourcery and crosstool-NG supply a compiler, runtime, and sysroot. We supply a compiler and runtime that work with a few sysroots, and include a basic sysroot so the compiler works out of the box. It's important to me that an end user can easily swap out the sysroot for a bigger or compatible (Fedora? Debian?) one Could you tell me more about your use case? Perhaps we can tweak the default sysroot. -- Michael -- For unsubscribe information see http://sourceware.org/lists.html#faq
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