Add checks for __OpenBSD__.

[oota-llvm.git] / lib / Target / CBackend / Writer.cpp

diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index 4e86c6fec0d576ec79d0e981396b6a35ee98ef8e..904101287ab377b880cb4ec54cbf4ba5b911e6be 100644 (file)
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -813,7 +813,7 @@ static void generateCompilerSpecificCode(std::ostream& Out) {
       << "extern void *__builtin_alloca(unsigned int);\n"
       << "#endif\n"
       << "#define alloca(x) __builtin_alloca(x)\n"
-      << "#elif defined(__FreeBSD__)\n"
+      << "#elif defined(__FreeBSD__) || defined(__OpenBSD__)\n"
       << "#define alloca(x) __builtin_alloca(x)\n"
       << "#elif !defined(_MSC_VER)\n"
       << "#include <alloca.h>\n"