documentation: mention we can't use the distro toolchain as external
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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@ -778,6 +778,15 @@ $(ZLIB_DIR)/libz.a: $(ZLIB_DIR)/.configured
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</ul>
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<p>We also do not support using the distribution toolchain (i.e
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the gcc/binutils/C library installed by your distribution) as the
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toolchain to build software for the target. This is because your
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distribution toolchain is not a "pure" toolchain (i.e only with
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the C/C++ library), so we cannot import it properly into the
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Buildroot build environment. So even if you are building a system
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for a x86 or x86_64 target, you have to generate a
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cross-compilation toolchain with Buildroot or Crosstool-NG.</p>
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<h2 id="add_packages">Adding new packages to Buildroot</h2>
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<p>This section covers how new packages (userspace libraries or
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