[PATCH] D26431: [WebAssembly] Define __unix__ as part of the wasm target

[Jacob Gravelle via cfe-commits]

jgravelle-google created this revision.
jgravelle-google added reviewers: dschuff, sunfish.
jgravelle-google added a subscriber: cfe-commits.
Herald added a subscriber: jfb.

Unix is a convenient common denominator for embeddings to implement
syscalls for. This makes it explicit that wasm is unix-y


https://reviews.llvm.org/D26431

Files:
  lib/Basic/Targets.cpp


Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -856,6 +856,8 @@
     // Follow g++ convention and predefine _GNU_SOURCE for C++.
     if (Opts.CPlusPlus)
       Builder.defineMacro("_GNU_SOURCE");
+
+    DefineStd(Builder, "unix", Opts);
   }
 
   // As an optimization, group static init code together in a section.



Index: lib/Basic/Targets.cpp
===================================================================
--- lib/Basic/Targets.cpp
+++ lib/Basic/Targets.cpp
@@ -856,6 +856,8 @@
     // Follow g++ convention and predefine _GNU_SOURCE for C++.
     if (Opts.CPlusPlus)
       Builder.defineMacro("_GNU_SOURCE");
+
+    DefineStd(Builder, "unix", Opts);
   }
 
   // As an optimization, group static init code together in a section.

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