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From: | Sevan Janiyan |
Subject: | bug#64984: call to date(1) uses non-portable flag |
Date: | Tue, 1 Aug 2023 02:23:13 +0100 |
User-agent: | Mozilla Thunderbird |
Hi,In libguile/Makefile there is a call to date(1) for recording the build stamp as so:
@BUILD_DATE="$${SOURCE_DATE_EPOCH:-`date '+%s'`}" ; \echo ' { "buildstamp", "'`date -u +'%Y-%m-%d %T' -d @$$BUILD_DATE`'" }, \' >> libpath.tmp
The -d flag doesn't necessarily mean the same thing across different operating systems, e.g on macOS it means "Set the kernel's value for daylight saving time." vs the coreutils version which means "display time described by STRING, not 'now'"
The command errors but the build continues so it is non-fatal which is perhaps why it has gone undetected?
Sevan
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