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-rw-r--r--lib/Target/CBackend/CBackend.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 2e9902d..71895f4 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -1415,7 +1415,7 @@ 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__) || defined(__NetBSD__) || defined(__OpenBSD__)\n"
+ << "#elif defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)\n"
<< "#define alloca(x) __builtin_alloca(x)\n"
<< "#elif defined(_MSC_VER)\n"
<< "#define inline _inline\n"