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rules_foreign_cc/examples/cmake_crosstool/static/test_hello.sh
irengrig 9a261f7993
Crosstool example + fixes (#174)
* Add crosstool example; does not work with cmake rule yet

the code is taken from Bazel test data (bazel_toolchain_test_data)

* Make crosstool compilation of cmake_external + cc_binary work

To build example, cd examples/cmake_crosstool bazel build //:libhello_test

Changes:
1) Initially suggested in #124: put $EXT_BUILD_ROOT on path, so that relative paths can be resolved by CMake
2) Toolchain tools are references as relative paths, and they themselves refer to external repository with external/ prefix.
This will not work with CMake, as CMake also perform compiler tests and the build is performed in some temp directory.
We need to convert to absolute paths.
I did a trick with checking of $EXT_BUILD_ROOT is defined and then using it as a prefix.
3) I had to change the visibility of the cc-compiler-k8 toolchain to public
4) For CMake crosstool file, CMAKE_C_COMPILER, CMAKE_CXX_COMPILER, CMAKE_AR need to be absolute, so in cases when they are relative and not under external directory, force paths conversion
2018-12-06 18:14:00 +01:00

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#!/usr/bin/env bash
$(rlocation rules_foreign_cc/examples/cmake_hello_world_lib/$1)