maint: Help help2man generate reproducible man-pages.

* doc/local.mk (SOURCE_DATE_EPOCH): New exported variable.

Change-Id: I6636693695d5502657f1475d93d31949e0b0b39d
This commit is contained in:
Janneke Nieuwenhuizen 2023-09-09 13:35:40 +02:00
parent 8fdc372841
commit ea23a124ad
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@ -224,6 +224,9 @@ gen_man = \
$(HELP2MANFLAGS)
HELP2MANFLAGS = --source=GNU --info-page=$(PACKAGE_TARNAME)
# help2man reproducibility
SOURCE_DATE_EPOCH = $(shell git show HEAD --format=%ct --no-patch 2>/dev/null || echo 1)
export SOURCE_DATE_EPOCH
$(srcdir)/%D%/guix.1: scripts/guix.in $(sub_commands_mans)
-$(AM_V_HELP2MAN)$(gen_man) --output="$@" `basename "$@" .1`