[PATCH] D18174: Fix libcxx build on musl

[Khem Raj via Phabricator via cfe-commits]

raj.khem updated this revision to Diff 108853.
raj.khem edited the summary of this revision.
Herald added a reviewer: EricWF.

https://reviews.llvm.org/D18174

Files:
  include/__mutex_base


Index: include/__mutex_base
===================================================================
--- include/__mutex_base
+++ include/__mutex_base
@@ -48,7 +48,10 @@
 public:
     _LIBCPP_INLINE_VISIBILITY
 #ifndef _LIBCPP_CXX03_LANG
-    constexpr mutex() = default;
+#ifdef __GLIBC__
+    constexpr
+#endif
+    mutex() = default;
 #else
     mutex() _NOEXCEPT {__m_ = (__libcpp_mutex_t)_LIBCPP_MUTEX_INITIALIZER;}
 #endif
@@ -296,7 +299,10 @@
 public:
     _LIBCPP_INLINE_VISIBILITY
 #ifndef _LIBCPP_CXX03_LANG
-    constexpr condition_variable() _NOEXCEPT = default;
+#ifdef __GLIBC__
+    constexpr
+#endif
+    condition_variable() _NOEXCEPT = default;
 #else
     condition_variable() _NOEXCEPT {__cv_ = (__libcpp_condvar_t)_LIBCPP_CONDVAR_INITIALIZER;}
 #endif


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