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bug#11007: incorrect dependency style (depmode) of tcc

From: Stefano Lattarini
Subject: bug#11007: incorrect dependency style (depmode) of tcc
Date: Tue, 27 Mar 2012 16:21:15 +0200

I Vincent, sorry for the awful delay.

On 03/13/2012 02:28 PM, Vincent Lefevre wrote:
> I've reported the following bug on the Debian BTS:
>   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=663705
> for Automake 1.11.3.
> When I configure MPFR with CC=tcc, as soon as a .c file is modified or
> I do a "make clean", I get errors when I want to rebuild MPFR.
> For instance, after a "make clean" and "make":
> Making all in doc
> make[1]: Entering directory `/home/vlefevre/software/mpfr/doc'
> make[1]: Nothing to be done for `all'.
> make[1]: Leaving directory `/home/vlefevre/software/mpfr/doc'
> Making all in src
> make[1]: Entering directory `/home/vlefevre/software/mpfr/src'
> /usr/bin/make  all-am
> make[2]: Entering directory `/home/vlefevre/software/mpfr/src'
> exceptions.c \ :
> /home/vlefevre/dash/bin/dash: exceptions.c: Permission denied
> make[2]: *** [exceptions.lo] Error 126
> make[2]: Leaving directory `/home/vlefevre/software/mpfr/src'
> make[1]: *** [all] Error 2
> make[1]: Leaving directory `/home/vlefevre/software/mpfr/src'
> make: *** [all-recursive] Error 1
> zsh: exit 2     =make
> The problem appears to be due to the src/.deps/*.Plo files.
> In the config.log file:
> configure:4362: checking dependency style of tcc
> configure:4473: result: icc
> Of course, there's no such problem with --disable-dependency-tracking.
I can now reproduce the issue, after upgrading tcc to version 0.9.25
(either the issue wasn't present with the older version I had previously
installed, or I hadn't been able to trigger it).  I hope I'll be able to
find a fix before 1.11.4.  In the meantime, as usual, any help or patch
would be mostly welcome.


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