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path: root/vcpkg/ports/libwebp/0003-simd.patch
blob: e477d6b99f12be4fa632b0c1374e814e5965557e (plain)
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diff --git a/cmake/cpu.cmake b/cmake/cpu.cmake
index 3b0b2d37..a376b87b 100644
--- a/cmake/cpu.cmake
+++ b/cmake/cpu.cmake
@@ -50,7 +50,7 @@ if(MSVC AND CMAKE_C_COMPILER_ID STREQUAL "MSVC")
   if(MSVC_VERSION GREATER_EQUAL 1800 AND NOT CMAKE_C_FLAGS MATCHES "/arch:")
     set(SIMD_ENABLE_FLAGS)
   else()
-    set(SIMD_ENABLE_FLAGS "/arch:AVX2;/arch:AVX;/arch:SSE2;;;;")
+    set(SIMD_ENABLE_FLAGS                    ";;/arch:SSE2;;;;") # /arch:AVX2;/arch:AVX is too much for SSE4
   endif()
   set(SIMD_DISABLE_FLAGS)
 else()
@@ -111,6 +111,9 @@ foreach(I_SIMD RANGE ${WEBP_SIMD_FLAGS_RANGE})
        "${CMAKE_CURRENT_LIST_DIR}/../src/dsp/*${WEBP_SIMD_FILE_EXTENSION}")
   if(WEBP_HAVE_${WEBP_SIMD_FLAG})
     # Memorize the file and flags.
+    if("${SIMD_COMPILE_FLAG}" STREQUAL "")
+      set(SIMD_COMPILE_FLAG " ")
+    endif()
     foreach(FILE ${SIMD_FILES})
       list(APPEND WEBP_SIMD_FILES_TO_INCLUDE ${FILE})
       list(APPEND WEBP_SIMD_FLAGS_TO_INCLUDE ${SIMD_COMPILE_FLAG})