From 4e4dc1dc1515d476ccc1918cae7ed8208cd4ea0c Mon Sep 17 00:00:00 2001
From: Alexander Karpinsky <homm86@gmail.com>
Date: Tue, 4 Jan 2022 16:55:13 +0300
Subject: [PATCH] Protect double inclusion of ImagingSIMD.h

---
 src/libImaging/ImagingSIMD.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/libImaging/ImagingSIMD.h b/src/libImaging/ImagingSIMD.h
index d082837d1..35a0fccfe 100644
--- a/src/libImaging/ImagingSIMD.h
+++ b/src/libImaging/ImagingSIMD.h
@@ -1,13 +1,18 @@
+#ifndef __IMAGING_SIMD_H__
+#define __IMAGING_SIMD_H__
+
 /* Microsoft compiler doesn't limit intrinsics for an architecture.
    This macro is set only on x86 and means SSE2 and above including AVX2. */
 #if defined(_M_X64) || _M_IX86_FP == 2
     #define __SSE4_2__
 #endif
+
 #if defined(__SSE4_2__)
     #include <emmintrin.h>
     #include <mmintrin.h>
     #include <smmintrin.h>
 #endif
+
 #if defined(__AVX2__)
     #include <immintrin.h>
 #endif
@@ -25,3 +30,5 @@ mm256_cvtepu8_epi32(void *ptr) {
     return _mm256_cvtepu8_epi32(_mm_loadl_epi64((__m128i *) ptr));
 }
 #endif
+
+#endif