On 2026-07-16, Jochen Sprickerhof wrote: > gnu-apl is currently not reproducible: > > https://reproduce.debian.net/amd64/unstable.html#apl > > The problem is that the macro to use $SOURCE_DATE_EPOCH does not work. > The attached patch fixes it and should make the package reproducible. > Please also forward it to upstream if you agree with it.
--- gnu-apl-2.0.orig/m4/build_date.m4
+++ gnu-apl-2.0/m4/build_date.m4
@@ -22,9 +22,9 @@ apl_BUILD_OS=$(uname -s -r -m)
AS_IF( [test -n "$SOURCE_DATE_EPOCH"],
[ apl_BUILD_OS="none"
- apl_BUILD_DATE= $(
- dash_format_date -u -d "$SOURCE_DATE_EPOCH" 2>/dev/null ||
- dash_format_date -u -r $SOURCE_DATE_EPOCH ||
+ apl_BUILD_DATE=$(
+ dash_format_date -u -d "@$SOURCE_DATE_EPOCH" 2>/dev/null ||
+ dash_format_date -u -d "@$SOURCE_DATE_EPOCH" ||
dash_format_date -u)
])
AC_SUBST([apl_BUILD_DATE])
The first call should definitely be replaced, but I believe th second
call (e.g. date -u -r $SOURCE_DATE_EPOCH) should not be changed... this
allows both GNU date and BSD date syntaxes to work via the || operator,
as documented in the "Bash / Posix shell" examples:
https://reproducible-builds.org/docs/source-date-epoch/
live well,
vagrant
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