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Typo fixes

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Greg Estren 2021-02-11 16:07:27 -05:00
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examples/custom_toolchain/README.md
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This example shows how to define and use a simple custom C++ toolchain. This example shows how to define and use a simple custom C++ toolchain.
Output is non-functional: simple scripts replace compilation and linking Output is non-functional: simple scripts replace compilation and linking
with "I compiled!" and "I linked!" messages. with `I compiled!` and `I linked!` messages.
[BUILD](BUILD) provides detailed implementation walkthrough. The fundamental [BUILD](BUILD) provides detailed implementation walkthrough. The fundamental
sequence is: sequence is:
@ -14,14 +14,14 @@ sequence is:
`1` is C++-specific: the logic and structure depends specifically on C++'s `1` is C++-specific: the logic and structure depends specifically on C++'s
language model. Other languages have their own models. language model. Other languages have their own models.
`2` supports two variations. `--crosstool_top` / `--cput`, the legacy variation, `2` supports two variations. `--crosstool_top` / `--cpu`, the legacy version,
is C++-specific. `--platforms`, the modern variation, is much more generic and is C++-specific. `--platforms`, the modern version, is much more generic and
supports all languages and features like [incompatible target supports all languages and features like [incompatible target
skipping](https://docs.bazel.build/versions/master/platforms.html#skipping-incompatible-targets). See skipping](https://docs.bazel.build/versions/master/platforms.html#skipping-incompatible-targets). See
[Building with [Building with
Platforms](https://docs.bazel.build/versions/master/platforms-intro.html) and Platforms](https://docs.bazel.build/versions/master/platforms-intro.html) and
its [C++ its [C++
annotations](https://docs.bazel.build/versions/master/platforms-intro.html#c) for notes](https://docs.bazel.build/versions/master/platforms-intro.html#c) for
full review. full review.
## Building with the default toolchain ## Building with the default toolchain
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``` ```
$ bazel clean $ bazel clean
$ bazel build //examples/custom_toolchain:buildme $ bazel build //examples/custom_toolchain:buildme
$ file bazel-bin/examples/custom_toolchain/libbuildme.a $ file bazel-bin/examples/custom_toolchain/libbuildme.a
bazel-bin/examples/custom_toolchain/libbuildme.a: current ar archive bazel-bin/examples/custom_toolchain/libbuildme.a: current ar archive
``` ```
## Building with platforms ## Custom toolchain with platforms
This mode requires `--incompatible_enable_cc_toolchain_resolution`. Without this This mode requires `--incompatible_enable_cc_toolchain_resolution`. Without this
flag, `--platforms` and `--extra_toolchains` are ignored and the default flag, `--platforms` and `--extra_toolchains` are ignored and the default
@ -61,7 +61,7 @@ in `WORKSPACE` and auto-set
$ bazel build //examples/custom_toolchain:buildme --platforms=//examples/custom_toolchain:x86_platform $ bazel build //examples/custom_toolchain:buildme --platforms=//examples/custom_toolchain:x86_platform
``` ```
## Building with legacy toolchain selection: ## Custom toolchain with legacy selection:
``` ```
$ bazel clean $ bazel clean