[Reproducible-builds] Bug#795985: xorg: please make the build reproducible

[Dhole]

Source: xorg
Version: 1:7.7+9
Severity: wishlist
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: timestamps
X-Debbugs-Cc: reproducible-builds at lists.alioth.debian.org

Hi,

While working on the "reproducible builds" effort [1], we have noticed
that xorg could not be built reproducibly.

The attached patch sets the timezone to UTC before calling asciidoc to
avoid timezone differences in the generated docs. Once applied, xorg can
be built reproducibly in our current experimental framework.

 [1]: https://wiki.debian.org/ReproducibleBuilds


Regards,
-- 
Dhole
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diff -Nru xorg-7.7+9/debian/changelog xorg-7.7+9.1/debian/changelog
--- xorg-7.7+9/debian/changelog	2015-05-11 14:53:51.000000000 +0200
+++ xorg-7.7+9.1/debian/changelog	2015-08-17 16:38:13.000000000 +0200
@@ -1,3 +1,11 @@
+xorg (1:7.7+9.1) UNRELEASED; urgency=medium
+
+  * Non-maintainer upload.
+  * Set TZ=UTC before calling asciidoc to make the embedded dates invariant to 
+    timezones in order to make the package build reproducibly.
+
+ -- Eduard Sanou <dhole at openmailbox.org>  Mon, 17 Aug 2015 16:37:50 +0200
+
 xorg (1:7.7+9) unstable; urgency=medium
 
   * Remove the siliconmotion driver from xserver-xorg-video-all.
diff -Nru xorg-7.7+9/xsf-docs/Makefile xorg-7.7+9.1/xsf-docs/Makefile
--- xorg-7.7+9/xsf-docs/Makefile	2013-09-26 01:24:29.000000000 +0200
+++ xorg-7.7+9.1/xsf-docs/Makefile	2015-08-17 16:44:17.000000000 +0200
@@ -6,7 +6,7 @@
 
 pdf_files = $(patsubst %.txt,%.pdf,$(txt_files))
 
-TXT_TO_HTML  = asciidoc -a linkcss
+TXT_TO_HTML  = TZ=UTC asciidoc -a linkcss
 HTML_TO_PDF  = wkhtmltopdf
 CSS_FILE     = xsf.css
 ADOC_CSS_FILE= asciidoc-xhtml11.css
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