[libc-commits] [libc] libc/cmake: don't fail if LLVM_VERSION_SUFFIX isn't defined (PR #126359)

[via libc-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-libc

Author: Sylvestre Ledru (sylvestre)

<details>
<summary>Changes</summary>

Closes: #<!-- -->126358

cc @<!-- -->samvangysegem



---
Full diff: https://github.com/llvm/llvm-project/pull/126359.diff


1 Files Affected:

- (modified) libc/CMakeLists.txt (+5-1) 


``````````diff
diff --git a/libc/CMakeLists.txt b/libc/CMakeLists.txt
index 1c4c0cd5aa22ba..d44769721c918f 100644
--- a/libc/CMakeLists.txt
+++ b/libc/CMakeLists.txt
@@ -51,7 +51,11 @@ set(LIBC_KERNEL_HEADERS "/usr/include" CACHE STRING "Path to Linux kernel header
 # Defining a global namespace to enclose all libc functions.
 set(default_namespace "__llvm_libc")
 if(LLVM_VERSION_MAJOR)
-  string(REPLACE "-" "" NS_LLVM_VERSION_SUFFIX ${LLVM_VERSION_SUFFIX})
+  if(DEFINED LLVM_VERSION_SUFFIX AND NOT "${LLVM_VERSION_SUFFIX}" STREQUAL "")
+    string(REPLACE "-" "" NS_LLVM_VERSION_SUFFIX "${LLVM_VERSION_SUFFIX}")
+  else()
+    set(NS_LLVM_VERSION_SUFFIX "")
+  endif()
   set(default_namespace "__llvm_libc_${LLVM_VERSION_MAJOR}_${LLVM_VERSION_MINOR}_${LLVM_VERSION_PATCH}_${NS_LLVM_VERSION_SUFFIX}")
 endif()
 set(LIBC_NAMESPACE ${default_namespace}

``````````

</details>


https://github.com/llvm/llvm-project/pull/126359