[libc++] Clarify names of ABI forcing macros
Make it clear that these are intended only to force a specific ABI when
the autodetection would give the wrong result by renaming the cmake
options and adding separate forcing macros, as suggested by EricWF in
the post-commit review of r314949 and further discussed on IRC.
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@314965 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/__config_site.in b/include/__config_site.in
index 80360aa..b2c9d63 100644
--- a/include/__config_site.in
+++ b/include/__config_site.in
@@ -12,8 +12,8 @@
#cmakedefine _LIBCPP_ABI_VERSION @_LIBCPP_ABI_VERSION@
#cmakedefine _LIBCPP_ABI_UNSTABLE
-#cmakedefine _LIBCPP_ABI_ITANIUM
-#cmakedefine _LIBCPP_ABI_MICROSOFT
+#cmakedefine _LIBCPP_ABI_FORCE_ITANIUM
+#cmakedefine _LIBCPP_ABI_FORCE_MICROSOFT
#cmakedefine _LIBCPP_HAS_NO_GLOBAL_FILESYSTEM_NAMESPACE
#cmakedefine _LIBCPP_HAS_NO_STDIN
#cmakedefine _LIBCPP_HAS_NO_STDOUT