bsys: fix broken parallel builds

a2x only supports destination folders for HTML based variants, but fortunately
that is enough in our case without needing extra workarounds.

ported from pve-docs:959bc81c13cd84c3227a466afc981af37092f70e

Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>

diff --git a/Makefile b/Makefile
index fd011e7fbdc56c2863596426439cc099fc6b0c6b..9876e37b02606cc7247c30c183280027e9aa0080 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -99,8 +99,10 @@ pmg-admin-guide.html: ${PMG_ADMIN_GUIDE_ADOCDEPENDS}
        asciidoc -a pmglogo ${ADOC_STDARG} -o $@ pmg-admin-guide.adoc
 
 pmg-admin-guide.chunked: ${PMG_ADMIN_GUIDE_ADOCDEPENDS}
-       rm -rf pmg-admin-guide.chunked
-       a2x -a docinfo -a docinfo1 -a icons -f chunked pmg-admin-guide.adoc
+       rm -rf $@.tmp $@
+       mkdir $@.tmp
+       a2x -D $@.tmp -a docinfo -a docinfo1 -a icons -f chunked pmg-admin-guide.adoc
+       mv $@.tmp/$@ $@
 
 PMG_DOCBOOK_CONF=-b $(shell pwd)/asciidoc/pmg-docbook -f asciidoc/asciidoc-pmg.conf
 PMG_DBLATEX_OPTS='-p ./asciidoc/pmg-dblatex.xsl -s asciidoc/dblatex-custom.sty -c asciidoc/dblatex-export.conf'
@@ -116,7 +118,10 @@ pmg-admin-guide.pdf: ${PMG_ADMIN_GUIDE_ADOCDEPENDS} docinfo.xml pmg-admin-guide-
        rm proxmox-logo.pdf proxmox-ci-header.pdf
 
 pmg-admin-guide.epub: ${PMG_ADMIN_GUIDE_ADOCDEPENDS}
-       a2x -f epub --asciidoc-opts="${PMG_DOCBOOK_CONF}" pmg-admin-guide.adoc
+       rm -rf $@.tmp $@
+       mkdir $@.tmp
+       a2x -D $@.tmp -f epub --asciidoc-opts="${PMG_DOCBOOK_CONF}" pmg-admin-guide.adoc
+       mv $@.tmp/$@ $@
 
 api-viewer/apidata.js: extractapi.pl
        ./extractapi.pl >$@