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Diffstat (limited to 'libcxx/docs/BuildingLibcxx.rst')
| -rw-r--r-- | libcxx/docs/BuildingLibcxx.rst | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libcxx/docs/BuildingLibcxx.rst b/libcxx/docs/BuildingLibcxx.rst index 81a7c234147..d983bbdfd0e 100644 --- a/libcxx/docs/BuildingLibcxx.rst +++ b/libcxx/docs/BuildingLibcxx.rst @@ -347,6 +347,13 @@ The following options allow building libc++ for a different ABI version. Build the "unstable" ABI version of libc++. Includes all ABI changing features on top of the current stable version. +.. option:: LIBCXX_ABI_DEFINES:STRING + + **Default**: ``""`` + + A semicolon-separated list of ABI macros to persist in the site config header. + See ``include/__config`` for the list of ABI macros. + .. _LLVM-specific variables: LLVM-specific options |
