patches/glibc/2.6.1/140-i386-preferred-stack-boundary.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Thu Aug 07 13:28:02 2008 +0000 (2008-08-07)
changeset 763 f078be5961ec
parent 744 4bf8448536d5
permissions -rw-r--r--
Fix building core C compiler.
PowerPC unveiled that you can't reliably build a target libgcc until you have C library headers.
In fact you can't build it at all. The fact that it did build for some architectures was purely coincidental, and a mistake.
This fix should still allow to build uClibc-based toolchains (some ARM uClibc toolchains were build-tested).

/trunk/scripts/build/cc_gcc.sh | 100 47 53 0 +++++++++++++++++++++++-------------------------
1 file changed, 47 insertions(+), 53 deletions(-)
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(C) 2007 Yann E. MORIN <yann.morin.1998@anciens.enib.fr>
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License: LGPL v2.1
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Shut off a stupid warning: preffered-stack-boundary must be between 4 ad 12,
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and 2 is not.
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diff -dur glibc-2.5.orig/sysdeps/i386/Makefile glibc-2.5/sysdeps/i386/Makefile
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--- glibc-2.5.orig/sysdeps/i386/Makefile	2005-03-06 01:18:16.000000000 +0100
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+++ glibc-2.5/sysdeps/i386/Makefile	2007-05-27 17:49:37.000000000 +0200
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@@ -36,7 +36,7 @@
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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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+sysdep-CFLAGS += -mpreferred-stack-boundary=4
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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