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Never use -mpreferred-stack-boundary=2 on i386, now disallowed by GCC.
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@ -1,4 +1,7 @@
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2011-07-02 Roland McGrath <roland@hack.frob.com>
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2011-07-16 Roland McGrath <roland@hack.frob.com>
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* sysdeps/i386/Makefile: Never use -mpreferred-stack-boundary=2,
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now disallowed by GCC.
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* configure.in (use-default-link): Default to yes if a test -shared
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link meets our qualifications.
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@ -30,13 +30,16 @@ endif
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# than 4 bytes.
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# Lots of routines in math will use FPU, so make math subdir an exception
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# here.
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# In gcc 4.6 (and maybe earlier?) giving -mpreferred-stack-boundary=2 is
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# an error, so don't try to reduce it here like we used to. We still
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# explicit set -mpreferred-stack-boundary=4 the places where it matters,
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# in case an older compiler defaulted to 2.
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ifeq ($(subdir),math)
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sysdep-CFLAGS += -mpreferred-stack-boundary=4
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else
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ifeq ($(subdir),csu)
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sysdep-CFLAGS += -mpreferred-stack-boundary=4
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else
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sysdep-CFLAGS += -mpreferred-stack-boundary=2
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# Likewise, any function which calls user callbacks
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uses-callbacks += -mpreferred-stack-boundary=4
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# Likewise, any stack alignment tests
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