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Re: pkg/51534: qemu-2.7.0 fails to build: bad register name

The following reply was made to PR pkg/51534; it has been noted by GNATS.

From: Joerg Sonnenberger <>
Subject: Re: pkg/51534: qemu-2.7.0 fails to build: bad register name
Date: Fri, 7 Oct 2016 22:06:48 +0200

 On Fri, Oct 07, 2016 at 07:20:00PM +0000, Kamil Rytarowski wrote:
 >  2. changing from append to prepend is no-operation for qemu
 That's rather obviously wrong as the patch wouldn't work if there was no
 >  3. changing from append to prepend might create new hard to debug issues
 >  (like ABI mismatch) in fragile makefiles as the last -mABI wins and it
 >  won't be corrected
 This is exactly the intended goal. If a package explicitly specifies an
 ABI, it should win. That's the whole point of the proposal to move to
 >  This is why I prefer to let some software to have specified/injected
 >  ${_COMPILER_ABI_FLAG.${ABI}} where needed. And my '-1" patch must be
 >  extended to pass ${_COMPILER_ABI_FLAG.${ABI}} accordingly. Changing
 >  things to prepend just hides the issue. For now just qemu is affected
 >  and I wouldn't reinvent new way to inject -mABI for every package for
 >  singular exceptions.
 qemu needs special help because it wants to build a BIOS image, which
 has special ABI requirements. The *normal* qemu binary is still supposed
 to have the *normal* pkgsrc ABI.

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