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x86_64-windows.txt

Carlo Bramini, August 08, 2016 18:35

 
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diff --git a/acinclude.m4 b/acinclude.m4
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index 5a008f0..e22de35 100644
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--- a/acinclude.m4
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+++ b/acinclude.m4
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@@ -113,7 +113,14 @@ fi
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 dnl MinGW needs -march=i686 for atomics
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 dnl ===================================
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 if test $HAVE_MSWINDOWS = yes ; then
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-    CFLAGS="$CFLAGS -march=i686"
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+    case "$target" in
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+    *x86_64*)
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+        CFLAGS="$CFLAGS -m64"
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+        ;;
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+    *)
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+        CFLAGS="$CFLAGS -march=i686"
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+        ;;
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+    esac
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 fi
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 dnl Byte order