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https://github.com/microsoft/vcpkg.git
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24 lines
800 B
Diff
24 lines
800 B
Diff
diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 95bd537a..245acc8f 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -131,6 +131,7 @@ endif ()
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include (CheckCCompilerFlag)
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+#All those checks fail due to linkage errors so we directly set HAVE_<ARCH> in the PORTFILE! We assume the user knows what (s)he is doing!
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if (ENABLE_SSE)
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foreach (FLAG "-msse" "/arch:SSE")
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unset (HAVE_SSE CACHE)
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@@ -176,8 +177,9 @@ if (ENABLE_AVX2)
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endif ()
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# AVX2 codelets require FMA support as well
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+# AVX2 implicitly includes FMA using Visual Studio (also definition __FMA__ is not set)
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if (ENABLE_AVX2)
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- foreach (FLAG "-mfma" "/arch:FMA")
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+ foreach (FLAG "-mfma" "/arch:AVX2")
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unset (HAVE_FMA CACHE)
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check_c_compiler_flag (${FLAG} HAVE_FMA)
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if (HAVE_FMA)
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