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bug#8497: Bug#620795: emacs23: Makefile generation with cpp mangles mult
From: |
Steve Langasek |
Subject: |
bug#8497: Bug#620795: emacs23: Makefile generation with cpp mangles multiarch include paths (impending FTBFS) |
Date: |
Fri, 15 Apr 2011 19:12:18 -0700 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
On Fri, Apr 15, 2011 at 09:51:00PM -0400, Glenn Morris wrote:
> Rob Browning wrote:
> > (If possible, please preserve the 620795-forwarded address in any replies.)
> Sorry, not so long as bug#63995 exists.
> >> The attached patch partially addresses this by undefining any macros that
> >> happen to exist for the <cpu> portion of the architecture triplet.
> Note the following in configure.in attempts to do this kind of thing already:
> # Now get this: Some word that is part of the ${srcdir} directory name
> # or the ${configuration} value might, just might, happen to be an
> # identifier like `sun4' or `i386' or something, and be predefined by
> # the C preprocessor to some helpful value like 1, or maybe the empty
> # string. Needless to say consequent macro substitutions are less
> # than conducive to the makefile finding the correct directory.
> [cpp_undefs="`echo $srcdir $configuration $canonical unix |
> sed -e 's/[^a-zA-Z0-9_]/ /g' -e 's/^/ /' -e 's/ *$//' \
> -e 's/ */ -U/g' -e 's/-U[0-9][^ ]*//g'`"]
> so it's not obvious to me why you need to do more (maybe $canonical is
> i686-something but your directories are i386-something?).
Ah - yes, that's exactly right. So this issue should only affect the i386
build, where the toolchain triplet != the multiarch directory.
--
Steve Langasek Give me a lever long enough and a Free OS
Debian Developer to set it on, and I can move the world.
Ubuntu Developer http://www.debian.org/
slangasek@ubuntu.com vorlon@debian.org
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