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--- ./src/CMakeLists.txt.orig 2015-02-12 21:57:26.000000000 +0100 |
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+++ ./src/CMakeLists.txt 2015-02-12 21:58:18.000000000 +0100 |
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@@ -385,7 +385,7 @@ |
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if(NOT CUSTOM_CFLAGS) |
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#we MUST always specify our requred instruction set, native might not detect it |
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- set(DT_REQ_INSTRUCTIONS "-msse3") |
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+ set(DT_REQ_INSTRUCTIONS "-msse2") |
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if(NOT BINARY_PACKAGE_BUILD AND (NOT APPLE OR CMAKE_C_COMPILER_ID STREQUAL "Clang")) |
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MESSAGE("-- Checking for -march=native support") |
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--- ./src/common/darktable.c.orig 2015-02-12 22:00:14.000000000 +0100 |
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+++ ./src/common/darktable.c 2015-02-12 22:01:30.000000000 +0100 |
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@@ -397,19 +397,19 @@ |
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#define __has_builtin(x) false |
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#endif |
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-#ifndef __SSE3__ |
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+#ifndef __SSE2__ |
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#error "Unfortunately we depend on SSE3 instructions at this time." |
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#error "Please contribute a backport patch (or buy a newer processor)." |
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#else |
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- int sse3_supported = 0; |
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+ int sse2_supported = 0; |
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#if(__GNUC_PREREQ(4, 8) || __has_builtin(__builtin_cpu_supports)) |
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// NOTE: _may_i_use_cpu_feature() looks better, but only avaliable in ICC |
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- sse3_supported = __builtin_cpu_supports("sse3"); |
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+ sse2_supported = __builtin_cpu_supports("sse2"); |
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#else |
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- sse3_supported = dt_detect_cpu_features() & CPU_FLAG_SSE3; |
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+ sse2_supported = dt_detect_cpu_features() & CPU_FLAG_SSE2; |
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#endif |
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- if(!sse3_supported) |
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+ if(!sse2_supported) |
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{ |
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fprintf(stderr, "[dt_init] unfortunately we depend on SSE3 instructions at this time.\n"); |
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fprintf(stderr, "[dt_init] please contribute a backport patch (or buy a newer processor).\n"); |