Remove legacy CMake targets for libcxx and libcxxabi
We've been meaning to remove those targets for a while, and the fix is
simple enough cause they're all just aliases to other targets.
This is a re-application of f383fb40b17, wich was reverted in 04d48111b
because the build bots had not been updated yet. The build bot configurations
have now been updated not to use the deprecated targets, and I verified
that they were using the non-deprecated targets, so we should be good
unless I missed a bot.
Differential Revision: https://reviews.llvm.org/D76104
Cr-Mirrored-From: https://chromium.googlesource.com/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: e9271a494fc33f9d0864074243b82f2505cc02ca
diff --git a/docs/BuildingLibcxx.rst b/docs/BuildingLibcxx.rst
index f2fff0e..ab5c72d 100644
--- a/docs/BuildingLibcxx.rst
+++ b/docs/BuildingLibcxx.rst
@@ -68,7 +68,7 @@
-DLIBCXX_CXX_ABI_INCLUDE_PATHS=path/to/separate/libcxxabi/include \
path/to/llvm-project/libcxx
$ make
- $ make check-libcxx # optional
+ $ make check-cxx # optional
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