From 4846a714a9b8e01bac8f9fc1de0eb2a5f00ea79b Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Tue, 7 Oct 2014 16:17:29 +0200
Subject: Fix DragonFly build (unsupported).

Thanks to Robin Hahling, Alex Hornung and Joris Giovannangeli.
---
 src/lj_alloc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/lj_alloc.c')

diff --git a/src/lj_alloc.c b/src/lj_alloc.c
index facccee5..7c7ec678 100644
--- a/src/lj_alloc.c
+++ b/src/lj_alloc.c
@@ -194,14 +194,14 @@ static LJ_AINLINE void *CALL_MMAP(size_t size)
   return ptr;
 }
 
-#elif LJ_TARGET_OSX || LJ_TARGET_PS4 || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__sun__)
+#elif LJ_TARGET_OSX || LJ_TARGET_PS4 || defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__) || defined(__sun__)
 
 /* OSX and FreeBSD mmap() use a naive first-fit linear search.
 ** That's perfect for us. Except that -pagezero_size must be set for OSX,
 ** otherwise the lower 4GB are blocked. And the 32GB RLIMIT_DATA needs
 ** to be reduced to 250MB on FreeBSD.
 */
-#if LJ_TARGET_OSX
+#if LJ_TARGET_OSX || defined(__DragonFly__)
 #define MMAP_REGION_START	((uintptr_t)0x10000)
 #elif LJ_TARGET_PS4
 #define MMAP_REGION_START	((uintptr_t)0x4000)
@@ -238,7 +238,7 @@ static LJ_AINLINE void *CALL_MMAP(size_t size)
       return p;
     }
     if (p != CMFAIL) munmap(p, size);
-#ifdef __sun__
+#if defined(__sun__) || defined(__DragonFly__)
     alloc_hint += 0x1000000;  /* Need near-exhaustive linear scan. */
     if (alloc_hint + size < MMAP_REGION_END) continue;
 #endif
-- 
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