40 lines
1.9 KiB
Diff
40 lines
1.9 KiB
Diff
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diff --git a/CMakeLists.txt b/CMakeLists.txt
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index 49be67d..ef69fa6 100644
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--- a/CMakeLists.txt
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+++ b/CMakeLists.txt
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@@ -66,6 +66,7 @@ check_prototype_definition (cosl "long double cosl( long double arg )" "0" math.
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check_prototype_definition (sinl "long double sinl( long double arg )" "0" math.h HAVE_DECL_SINL)
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check_prototype_definition (memalign "void *memalign(size_t alignment, size_t size)" "0" malloc.h HAVE_DECL_MEMALIGN)
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check_prototype_definition (posix_memalign "int posix_memalign(void **memptr, size_t alignment, size_t size)" "0" stdlib.h HAVE_DECL_POSIX_MEMALIGN)
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+check_prototype_definition (_aligned_malloc "void* __cdecl _aligned_malloc(size_t _Size, size_t _Alignment)" "0" malloc.h HAVE_DECL_ALIGNED_MALLOC)
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include (CheckSymbolExists)
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check_symbol_exists (clock_gettime time.h HAVE_CLOCK_GETTIME)
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@@ -75,6 +76,7 @@ check_symbol_exists (drand48 stdlib.h HAVE_DRAND48)
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check_symbol_exists (srand48 stdlib.h HAVE_SRAND48)
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check_symbol_exists (memalign malloc.h HAVE_MEMALIGN)
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check_symbol_exists (posix_memalign stdlib.h HAVE_POSIX_MEMALIGN)
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+check_symbol_exists (_aligned_malloc malloc.h HAVE_ALIGNED_MALLOC)
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check_symbol_exists (mach_absolute_time mach/mach_time.h HAVE_MACH_ABSOLUTE_TIME)
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check_symbol_exists (alloca alloca.h HAVE_ALLOCA)
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if (NOT HAVE_ALLOCA)
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@@ -131,6 +133,7 @@ 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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@@ -180,8 +183,9 @@ 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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unset (HAVE_FMA)
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check_c_compiler_flag (${FLAG} HAVE_FMA)
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