[llvm] 87494de - [gn build] slightly improve libcxx_needs_site_config

[Nico Weber via llvm-commits]

Author: Nico Weber
Date: 2020-09-11T11:32:20-04:00
New Revision: 87494def4830f0b20af6cb8a4d8b3b668c8d3ec5

URL: https://github.com/llvm/llvm-project/commit/87494def4830f0b20af6cb8a4d8b3b668c8d3ec5
DIFF: https://github.com/llvm/llvm-project/commit/87494def4830f0b20af6cb8a4d8b3b668c8d3ec5.diff

LOG: [gn build] slightly improve libcxx_needs_site_config

The write_cmake_config() here still looks busted, but at least
the value that's explicitly set is now set correctly.

Added: 
    

Modified: 
    llvm/utils/gn/secondary/libcxx/include/BUILD.gn

Removed: 
    


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diff  --git a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
index 904ace07585f..e30622f52195 100644
--- a/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
+++ b/llvm/utils/gn/secondary/libcxx/include/BUILD.gn
@@ -23,7 +23,7 @@ if (libcxx_needs_site_config) {
       values += [ "_LIBCPP_ABI_NAMESPACE=$libcxx_abi_namespace" ]
     }
     if (libcxx_abi_unstable) {
-      values += [ "_LIBCPP_ABI_UNSTABLE=" ]
+      values += [ "_LIBCPP_ABI_UNSTABLE=1" ]
     }
   }