[oe-commits] [openembedded-core] 04/08: groff-doc: improve reproducibility

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commit 76ae70d9a5f2d8a73d2dfca88998a1d4f3856d69
Author: Juro Bystricky <juro.bystricky at intel.com>
AuthorDate: Sun Jan 7 08:57:40 2018 -0800

    groff-doc: improve reproducibility
    
    Some examples used "random" numbers to generate random RGB colors.
    This would break reproducible builds.
    The issue was solved by a patch backported from Debian.
    
    Signed-off-by: Juro Bystricky <juro.bystricky at intel.com>
    Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org>
---
 .../groff-1.22.3/hdtbl-examples-less-random.patch  | 41 ++++++++++++++++++++++
 meta/recipes-extended/groff/groff_1.22.3.bb        |  1 +
 2 files changed, 42 insertions(+)

diff --git a/meta/recipes-extended/groff/groff-1.22.3/hdtbl-examples-less-random.patch b/meta/recipes-extended/groff/groff-1.22.3/hdtbl-examples-less-random.patch
new file mode 100644
index 0000000..f9b4b21
--- /dev/null
+++ b/meta/recipes-extended/groff/groff-1.22.3/hdtbl-examples-less-random.patch
@@ -0,0 +1,41 @@
+Patch backported from Debian.
+https://sources.debian.net/src/groff/1.22.3-9/debian/patches/hdtbl-examples-less-random.patch/
+
+From b78ead018666fbee30624359caa4a294efb0c517 Mon Sep 17 00:00:00 2001
+From: Colin Watson <cjwatson at debian.org>
+Date: Fri, 6 Nov 2015 11:06:04 +0000
+Subject: Remove unnecessary randomness from example output
+
+The hdtbl examples don't need good randomness, as they're only example
+output; removing the process ID from consideration allows better
+integration with reproducible builds.
+
+Forwarded: no
+Last-Update: 2015-11-06
+
+Patch-Name: hdtbl-examples-less-random.patch
+
+Upstream-Status: Backport
+
+Signed-off-by: Juro Bystricky <juro.bystricky at intel.com>
+---
+ contrib/hdtbl/examples/common.roff | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/contrib/hdtbl/examples/common.roff b/contrib/hdtbl/examples/common.roff
+index ddb6d4ac..9bd9f901 100644
+--- a/contrib/hdtbl/examples/common.roff
++++ b/contrib/hdtbl/examples/common.roff
+@@ -231,7 +231,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
+ .af mo 00
+ .af dy 00
+ .
+-.ds random-s1 \n[minutes]\n[seconds]\n[$$]\n[hours]\"
++.\" Since this just generates example output, we don't need good randomness;
++.\" basing this purely on the time and not on the process ID allows better
++.\" integration with reproducible builds.
++.\" .ds random-s1 \n[minutes]\n[seconds]\n[$$]\n[hours]\"
++.ds random-s1 \n[minutes]\n[seconds]\n[hours]\"
+ .\" prevent overflow
+ .substring random-s1 0 8
+ .
diff --git a/meta/recipes-extended/groff/groff_1.22.3.bb b/meta/recipes-extended/groff/groff_1.22.3.bb
index cce7a92..3a3633d 100644
--- a/meta/recipes-extended/groff/groff_1.22.3.bb
+++ b/meta/recipes-extended/groff/groff_1.22.3.bb
@@ -12,6 +12,7 @@ SRC_URI = "${GNU_MIRROR}/groff/groff-${PV}.tar.gz \
 	file://0001-Unset-need_charset_alias-when-building-for-musl.patch \
 	file://0001-replace-perl-w-with-use-warnings.patch \
 	file://source-date-epoch.patch \
+	file://hdtbl-examples-less-random.patch \
 "
 
 SRC_URI[md5sum] = "cc825fa64bc7306a885f2fb2268d3ec5"

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