[libcxx-commits] [PATCH] D84418: [libc++] Build the dylib with -faligned-allocation

Louis Dionne via Phabricator via libcxx-commits libcxx-commits at lists.llvm.org
Thu Jul 23 11:04:09 PDT 2020


This revision was not accepted when it landed; it landed in state "Needs Review".
This revision was automatically updated to reflect the committed changes.
Closed by commit rG918ba933673a: [libc++] Build the dylib with -faligned-allocation (authored by ldionne).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D84418/new/

https://reviews.llvm.org/D84418

Files:
  libcxx/CMakeLists.txt


Index: libcxx/CMakeLists.txt
===================================================================
--- libcxx/CMakeLists.txt
+++ libcxx/CMakeLists.txt
@@ -526,6 +526,11 @@
     CXX_STANDARD_REQUIRED YES
     CXX_EXTENSIONS NO)
 
+  # When building the dylib, don't warn for unavailable aligned allocation
+  # functions based on the deployment target -- they are always available
+  # because they are provided by the dylib itself.
+  target_add_compile_flags_if_supported(${target} PRIVATE -faligned-allocation)
+
   # On all systems the system c++ standard library headers need to be excluded.
   # MSVC only has -X, which disables all default includes; including the crt.
   # Thus, we do nothing and hope we don't accidentally include any of the C++


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