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diff --git a/docs/overview.txt b/docs/overview.txt index 3b100a18..8d9a6f04 100644 --- a/docs/overview.txt +++ b/docs/overview.txt @@ -28,6 +28,7 @@ Running crosstool-NG Tools wrapper Using the toolchain Toolchain types + Seemingly-native toolchains Internals Makefile front-end Kconfig parser @@ -590,6 +591,21 @@ anyway!) were all being hashed out, Canada had three national political parties. http://en.wikipedia.org/wiki/Cross_compiler +Seemingly-native toolchains | +----------------------------+ + +Seemingly-native toolchains are toolchains that target the same architecture +as the one it is built on, and on which it will run, but the machine tuple +may be different (eg i686 vs. i386, or x86_64-unknown-linux-gnu vs. +x86_64-pc-linux-gnu). This also applies if the target architecture is of the +same kind (eg. x86 vs. x86_64, or ppc vs. ppc64). + +Such toolchain is tricky to build, as the configure scripts may incorrectly +assume that files (headers and libs) from the build (or host) machine can be +used by the cross-compiler it is going to build. The problem seems to arise +only with glibc (and eglibc?) starting with version 2.7. + + _____________ / Internals / |