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build: Help help2man generate reproducible man-pages. 

* build-aux/GNUmakefile.in (SOURCE_DATE_EPOCH): New variable.
This commit is contained in:
Janneke Nieuwenhuizen 2023-09-09 13:56:01 +02:00
parent a4a0d0d66d
commit 8371544c6f
1 changed files with 5 additions and 1 deletions
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6
build-aux/GNUmakefile.in
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@ -227,6 +227,10 @@ man: doc/mes.1 doc/mescc.1 doc/mesar.1
%: %.o
%: %.c
# help2man reproducibility
SOURCE_DATE_EPOCH=$(shell git show HEAD --format=%ct --no-patch 2>/dev/null || echo 0)
export SOURCE_DATE_EPOCH
doc/mes.1: src/${program_prefix}mes | build
MES_ARENA=10000000 ./pre-inst-env $(HELP2MAN) \
--name="Scheme interpreter for bootstrapping the GNU system" \
@ -286,7 +290,7 @@ TARBALL_VERSION=$(COMMIT:v%=%)
TARBALL_DIR:=$(PACKAGE)-$(TARBALL_VERSION)
TARBALL:=$(TARBALL_DIR).tar.gz
# Be friendly to Debian; avoid using EPOCH
MTIME=$(shell git show HEAD --format=%ct --no-patch 2>/dev/null)
MTIME=$(SOURCE_DIR_EPOCH)
# Reproducible tarball
TAR_FLAGS=--sort=name --mtime=@$(MTIME) --owner=0 --group=0 --numeric-owner --mode=go=rX,u+rw,a-s