Makefile: avoid useless file overwrites - only write changes

This commit is contained in:
Dietmar Maurer 2016-10-18 12:37:09 +02:00
parent 1edb79ec9c
commit e6fc3b0c11

View File

@ -19,7 +19,9 @@ MEDIAWIKI_DEB=${MEDIAWIKI_PACKAGE}_${DOCRELEASE}-${PKGREL}_all.deb
all: index.html
.pve-doc-depends link-refs.json: $(wildcard *.adoc) scan-adoc-refs
./scan-adoc-refs *.adoc --depends .pve-doc-depends > link-refs.json
./scan-adoc-refs *.adoc --depends .pve-doc-depends.tmp > link-refs.json.tmp
@cmp --quiet .pve-doc-depends .pve-doc-depends.tmp || mv .pve-doc-depends.tmp .pve-doc-depends
@cmp --quiet link-refs.json link-refs.json.tmp || mv link-refs.json.tmp link-refs.json
pve-doc-generator.mk: .pve-doc-depends pve-doc-generator.mk.in
cat pve-doc-generator.mk.in .pve-doc-depends > $@.tmp