[libcxx-commits] [libcxx] [libcxx][CMake] Use the right variable in the C library error message (PR #138458)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libcxx

Author: Raul Tambre (tambry)

<details>
<summary>Changes</summary>

Fixes: 3b78dfa10c4b77581cc29c4510aefe919ae660ba

---
Full diff: https://github.com/llvm/llvm-project/pull/138458.diff


1 Files Affected:

- (modified) libcxx/CMakeLists.txt (+1-1) 


``````````diff
diff --git a/libcxx/CMakeLists.txt b/libcxx/CMakeLists.txt
index ebaa6e9fd0e97..ac5aece3281a4 100644
--- a/libcxx/CMakeLists.txt
+++ b/libcxx/CMakeLists.txt
@@ -230,7 +230,7 @@ option(LIBCXX_USE_COMPILER_RT "Use compiler-rt instead of libgcc" OFF)
 set(LIBCXX_SUPPORTED_C_LIBRARIES system llvm-libc)
 set(LIBCXX_LIBC "system" CACHE STRING "Specify C library to use. Supported values are ${LIBCXX_SUPPORTED_C_LIBRARIES}.")
 if (NOT "${LIBCXX_LIBC}" IN_LIST LIBCXX_SUPPORTED_C_LIBRARIES)
-  message(FATAL_ERROR "Unsupported C library: '${LIBCXX_CXX_ABI}'. Supported values are ${LIBCXX_SUPPORTED_C_LIBRARIES}.")
+  message(FATAL_ERROR "Unsupported C library: '${LIBCXX_LIBC}'. Supported values are ${LIBCXX_SUPPORTED_C_LIBRARIES}.")
 endif()
 
 # ABI Library options ---------------------------------------------------------

``````````

</details>


https://github.com/llvm/llvm-project/pull/138458