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Re: [PATCH 03/19] Auto-generate libc-modules.h

From: Siddhesh Poyarekar <siddhesh at redhat dot com>
To: libc-alpha at sourceware dot org
Date: Sat, 23 Aug 2014 00:12:09 +0530
Subject: Re: [PATCH 03/19] Auto-generate libc-modules.h
Authentication-results: sourceware.org; auth=none
References: <1408618663-2281-1-git-send-email-siddhesh at redhat dot com> <1408618663-2281-4-git-send-email-siddhesh at redhat dot com>

On Thu, Aug 21, 2014 at 04:27:27PM +0530, Siddhesh Poyarekar wrote:
> +# Minimal CPPFLAGS for the initial compilations, i.e. syscall stubs, %.v.i,
> +# etc.
> +MIN-CPPFLAGS = $(config-extra-cppflags) $(CPPUNDEFS) $(CPPFLAGS-config) \
> +	   $($(subdir)-CPPFLAGS) \
> +	   $(+includes) $(defines) $(sysdep-CPPFLAGS) \
> +	   $(CPPFLAGS-$(suffix $@)) \
> +	   $(foreach lib,$(libof-$(basename $(@F))) \
> +			 $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \
> +	   $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F)))

This patch breaks ABI on s390x, alpha and m68k.  I've got an fix[1],
which I'll incorporate into this patch and post an update.

Siddhesh

[1] https://sourceware.org/ml/libc-alpha/2014-08/msg00386.html

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References:
- [PATCH 00/19] Fix -Wundef warning in SHLIB_COMPAT
  - From: Siddhesh Poyarekar
- [PATCH 03/19] Auto-generate libc-modules.h
  - From: Siddhesh Poyarekar

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