Added checks to avoid redefining #defines that already exist.

a33ff09c · Davis King · 28f6e51b · a33ff09c
Commit a33ff09c authored May 03, 2015 by Davis King
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Showing with 15 additions and 5 deletions

dlib/simd/simd_check.h dlib/simd/simd_check.h +15 -5

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--- a/dlib/simd/simd_check.h
+++ b/dlib/simd/simd_check.h
@@ -27,21 +27,31 @@
        #endif
    #else
        #ifdef __SSE2__
+            #ifndef DLIB_HAVE_SSE2
                #define DLIB_HAVE_SSE2
            #endif 
+        #endif
        #ifdef __SSSE3__
+            #ifndef DLIB_HAVE_SSE3
                #define DLIB_HAVE_SSE3
            #endif
+        #endif
        #ifdef __SSE4_1__
+            #ifndef DLIB_HAVE_SSE41
                #define DLIB_HAVE_SSE41
            #endif
+        #endif
        #ifdef __AVX__
+            #ifndef DLIB_HAVE_AVX
                #define DLIB_HAVE_AVX
            #endif
+        #endif
        #ifdef __AVX2__
+            #ifndef DLIB_HAVE_AVX2
                #define DLIB_HAVE_AVX2
            #endif
        #endif
+    #endif
 #endif