[runtimes] Add umbrella targets for runtimes
authorShoaib Meenai <smeenai@fb.com>
Wed, 12 Feb 2020 02:24:57 +0000 (18:24 -0800)
committerShoaib Meenai <smeenai@fb.com>
Wed, 12 Feb 2020 17:46:14 +0000 (09:46 -0800)
commit26edb21c29cb3c40b29ab3cd9e926b0d329457d6
tree10dbcea1a40b7b66ce6ee9711bd27e4903c58558
parentf6a3ac150b8d9f3458f526cf76ebcd545bfc1898
[runtimes] Add umbrella targets for runtimes

This will create e.g. a compiler-rt target that'll build compiler-rt for
all configured targets, similar to how the runtimes umbrella target
builds all the runtimes for all configured targets.

Differential Revision: https://reviews.llvm.org/D74458
llvm/runtimes/CMakeLists.txt