442302 – dev-util/xxdiff - gcc-4.7 build failure: previous declaration of ‘char** environ’ with ‘C++’ linkage conflicts with new declaration with ‘C’ linkage

Bug 442302 - dev-util/xxdiff - gcc-4.7 build failure: previous declaration of ‘char** environ’ with ‘C++’ linkage conflicts with new declaration with ‘C’ linkage

Summary: dev-util/xxdiff - gcc-4.7 build failure: previous declaration of ‘char** envi...

Status:	RESOLVED FIXED

Alias:	None

Product:	Gentoo Linux
Classification:	Unclassified
Component:	New packages (show other bugs)
Hardware:	All Linux

Importance:	Normal normal (vote)
Assignee:	Markos Chandras (RETIRED)

URL:	https://hg.furius.ca/public/xxdiff/re...
Whiteboard:
Keywords:	PATCH, UPSTREAM

Depends on:
Blocks:	gcc-4.7
	Show dependency tree

Reported:	2012-11-08 02:53 UTC by Jason Lamb
Modified:	2013-02-17 11:26 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

Attachments
dev-util/xxdiff-4.0_beta1_p20110426 complete build log (xxdiff-4.0_beta1_p20110426-build.log,8.97 KB, text/plain) 2012-11-08 02:56 UTC, Jason Lamb	Details
dev-util/xxdiff-4.0_beta1_p20110426 emerge --info (xxdiff-4.0_beta1_p20110426-emerge.info,5.97 KB, text/plain) 2012-11-08 02:56 UTC, Jason Lamb	Details
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Description Jason Lamb 2012-11-08 02:53:41 UTC

Using gcc-4.7, dev-util/xxdiff-4.0_beta1_p20110426 fails compile phase at the point of the following error messages;

In file included from util.cpp:29:0:
./main.h:38:15: error: previous declaration of ‘char** environ’ with ‘C++’ linkage
In file included from util.cpp:46:0:
/usr/include/unistd.h:545:15: error: conflicts with new declaration with ‘C’ linkage

Reproducible: Always




Upstream patch that fixes this error is at;

https://hg.furius.ca/public/xxdiff/rev/00d868ea5f4a

Comment 1 Jason Lamb 2012-11-08 02:56:12 UTC

Created attachment 328764 [details]
dev-util/xxdiff-4.0_beta1_p20110426 complete build log

Comment 2 Jason Lamb 2012-11-08 02:56:36 UTC

Created attachment 328766 [details]
dev-util/xxdiff-4.0_beta1_p20110426 emerge --info

Comment 3 Diego Elio Pettenò (RETIRED) gentoo-dev

2012-11-12 18:56:35 UTC

Upstream patch looks silly to me, but the bottom half would work.

Comment 4 Markos Chandras (RETIRED) gentoo-dev

2012-11-30 20:39:25 UTC

+  30 Nov 2012; Markos Chandras <hwoarang@gentoo.org>
+  +files/xxdiff-4.0_beta1_p20110426-gcc47.patch,
+  xxdiff-4.0_beta1_p20110426.ebuild:
+  Apply upstream patch to fix building with gcc-4.7. Bug #442302
+