Re: [PATCH 1/2] apt: Fix a latent bug exposed by gcc 4.7

[Saul Wold <sgw@linux.intel.com>]

On 03/30/2012 12:07 PM, Khem Raj wrote:
> Further Details are in patch itself
>
> Signed-off-by: Khem Raj<raj.khem@gmail.com>
> ---
>   .../apt/apt-0.7.14/remove-redeclaration.patch      |   57 ++++++++++++++++++++
>   meta/recipes-devtools/apt/apt_0.7.14.bb            |    6 ++-
>   2 files changed, 61 insertions(+), 2 deletions(-)
>   create mode 100644 meta/recipes-devtools/apt/apt-0.7.14/remove-redeclaration.patch
>
> diff --git a/meta/recipes-devtools/apt/apt-0.7.14/remove-redeclaration.patch b/meta/recipes-devtools/apt/apt-0.7.14/remove-redeclaration.patch
> new file mode 100644
> index 0000000..68cb0b0
> --- /dev/null
> +++ b/meta/recipes-devtools/apt/apt-0.7.14/remove-redeclaration.patch
> @@ -0,0 +1,57 @@
> +Fix build errors
> +
> +deb/deblistparser.cc: In member function 'virtual short unsigned int debListParser::VersionHash()':
> +deb/deblistparser.cc:212:13: error: redeclaration of 'char* I'
> +deb/deblistparser.cc:202:22: error: 'const char** I' previously declared here
> +
> +Upstream-Status: Backport
> +Signed-off-by: Khem Raj<raj.khem@gmail.com>
> +Index: apt-0.7.14/apt-pkg/deb/deblistparser.cc
> +===================================================================
> +--- apt-0.7.14.orig/apt-pkg/deb/deblistparser.cc	2012-03-30 11:17:09.112456632 -0700
> ++++ apt-0.7.14/apt-pkg/deb/deblistparser.cc	2012-03-30 11:25:40.484481643 -0700
> +@@ -209,18 +209,18 @@
> +       /* Strip out any spaces from the text, this undoes dpkgs reformatting
> +          of certain fields. dpkg also has the rather interesting notion of
> +          reformatting depends operators<  ->  <= */
> +-      char *I = S;
> ++      char *J = S;
> +       for (; Start != End; Start++)
> +       {
> + 	 if (isspace(*Start) == 0)
> +-	    *I++ = tolower(*Start);
> ++	    *J++ = tolower(*Start);
> + 	 if (*Start == '<'&&  Start[1] != '<'&&  Start[1] != '=')
> +-	    *I++ = '=';
> ++	    *J++ = '=';
> + 	 if (*Start == '>'&&  Start[1] != '>'&&  Start[1] != '=')
> +-	    *I++ = '=';
> ++	    *J++ = '=';
> +       }
> +
> +-      Result = AddCRC16(Result,S,I - S);
> ++      Result = AddCRC16(Result,S,J - S);
> +    }
> +
> +    return Result;
> +Index: apt-0.7.14/cmdline/apt-get.cc
> +===================================================================
> +--- apt-0.7.14.orig/cmdline/apt-get.cc	2012-03-30 11:28:56.048490824 -0700
> ++++ apt-0.7.14/cmdline/apt-get.cc	2012-03-30 11:32:00.248499740 -0700
> +@@ -1752,12 +1752,12 @@
> + 	 if ((*Cache)[I].Install() == false)
> + 	    continue;
> +
> +-	 const char **J;
> +-	 for (J = CmdL.FileList + 1; *J != 0; J++)
> +-	    if (strcmp(*J,I.Name()) == 0)
> ++	 const char **K;
> ++	 for (K = CmdL.FileList + 1; *K != 0; J++)
> ++	    if (strcmp(*K,I.Name()) == 0)
> + 		break;
> + 	
> +-	 if (*J == 0) {
> ++	 if (*K == 0) {
> + 	    List += string(I.Name()) + " ";
> + 	    VersionsList += string(Cache[I].CandVersion) + "\n";
> + 	 }
> diff --git a/meta/recipes-devtools/apt/apt_0.7.14.bb b/meta/recipes-devtools/apt/apt_0.7.14.bb
> index 8464b7f..6354f8e 100644
> --- a/meta/recipes-devtools/apt/apt_0.7.14.bb
> +++ b/meta/recipes-devtools/apt/apt_0.7.14.bb
> @@ -3,10 +3,12 @@ RDEPENDS_${PN} = "dpkg"
>   LIC_FILES_CHKSUM = "file://COPYING.GPL;md5=0636e73ff0215e8d672dc4c32c317bb3"
>   require apt.inc
>
> -PR = "r10"
> +PR = "r11"
>
>   SRC_URI += "file://nodoc.patch \
> -            file://includes-fix.patch "
> +            file://includes-fix.patch \
> +            file://remove-redeclaration.patch \
> +           "
>
>   SRC_URI[md5sum] = "19efa18fb1ef20c58b9b44e94258b814"
>   SRC_URI[sha256sum] = "8fc06effaf8a4e4333308eedcdc6840f1c8056f2e924210f151dfc076bcd4045"

Both patches merged into OE-Core

Thanks
	Sau!