On 2/2/21 5:48 PM, Richard Purdie wrote:
A build date was leaking into the generated docs and makefile used for
ptests leading to reproducibility issues each time the month changed.

Add a patch to use SOURCE_DATE_EPOCH to derive it if available.

ACK the objective, but I have a couple concerns about the patch below.

+--- opkg-0.4.4.orig/configure.ac
++++ opkg-0.4.4/configure.ac
+@@ -281,7 +281,12 @@ AC_FUNC_UTIME_NULL
+ AC_FUNC_VPRINTF
+ AC_CHECK_FUNCS([memmove memset mkdir regcomp strchr strcspn strdup strerror 
strndup strrchr strstr strtol strtoul sysinfo utime])
+
+-CLEAN_DATE=`date +"%B %Y" | tr -d '\n'`
++1607446883

Is this `1607...` timestamp just some leftover pollution in the configure.ac file or does it serve some purpose?

++if [ ! -z "$SOURCE_DATE_EPOCH" ]; then

AutoConf doesn't have the shell interpretation of `[`; right? At least on my system, AutoConf drops the brackets in this statement and writes the ./configure file as:

if ! -z "$SOURCE_DATE_EPOCH" ; then

which obviously fails when executed. Can you use `if test ! -z ...` instead?

++    CLEAN_DATE=`LC_ALL=C date -d @$SOURCE_DATE_EPOCH +"%B %Y" | tr -d '\n'`
++else
++    CLEAN_DATE=`date +"%B %Y" | tr -d '\n'`
++fi
+
+ AC_SUBST([CLEAN_DATE])
+
diff --git a/meta/recipes-devtools/opkg/opkg_0.4.4.bb 
b/meta/recipes-devtools/opkg/opkg_0.4.4.bb
index f8034ca5fa5..548e81962d7 100644
--- a/meta/recipes-devtools/opkg/opkg_0.4.4.bb
+++ b/meta/recipes-devtools/opkg/opkg_0.4.4.bb
@@ -15,6 +15,7 @@ SRC_URI = 
"https://urldefense.com/v3/__http://downloads.yoctoproject.org/releases/$*7BBPN*7D/$*7BBPN*7D-$*7BPV*7D.tar.gz__;JSUlJSUl!!FbZ0ZwI3Qg!-TBdy64CfATG4aDXNwLs-F_1Ucyiha1TiiAh_Q51F5iWdo4LWw-X9cnExOGco7s$
             file://opkg.conf \
             
file://0001-opkg_conf-create-opkg.lock-in-run-instead-of-var-run.patch \
             file://0001-tests-let-the-OS-negotiate-relative-package-dirs.patch 
\
+           file://sourcedateepoch.patch \
             file://run-ptest \
  "

--
Alex Stewart
Software Engineer - NI Real-Time OS
NI (National Instruments)

alex.stew...@ni.com

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