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Introduce support for 'expand_if_all_available' for flag_groups in CROSSTOOL 

With the recent addition of structured variables to CROSSTOOL we now need a way
how to conditionally expand various flag_groups depending on the presence of
particular build variable or its fields. This cl adds this support to flag
groups.

RELNOTES: NONE.
PiperOrigin-RevId: 139466070
This commit is contained in:
hlopko 2016-11-17 17:52:10 +01:00 committed by Marcel Hlopko
parent b987fd2ae5
commit e355a0b91c
1 changed files with 2 additions and 0 deletions
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third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config.proto vendored
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@ -100,6 +100,8 @@ message CToolchain {
repeated FlagGroup flag_group = 2;
optional string iterate_over = 3;
repeated string expand_if_all_available = 4;
}
// A key/value pair to be added as an environment variable. The value of