* buildlib/po4a_manpage.mak, doc/makefile, configure:

    - simplify the makefiles needed for po4a manpages

Add a bit more autodetection to the buildsystem to be able to
add only half translated languages (only a few man pages, not all) and
try to reduce the overhead needed to add new languages.

3 files changed, 60 insertions, 2 deletions

diff --git a/buildlib/defaults.mak b/buildlib/defaults.mak
index 8c57da05b..5373ee5cf 100644
--- a/buildlib/defaults.mak
+++ b/buildlib/defaults.mak
@@ -83,6 +83,7 @@ PYTHON_H = $(BASE)/buildlib/python.mak
 COPY_H = $(BASE)/buildlib/copy.mak
 YODL_MANPAGE_H = $(BASE)/buildlib/yodl_manpage.mak
 SGML_MANPAGE_H = $(BASE)/buildlib/sgml_manpage.mak
+PO4A_MANPAGE_H = $(BASE)/buildlib/po4a_manpage.mak
 XML_MANPAGE_H = $(BASE)/buildlib/xml_manpage.mak
 FAIL_H = $(BASE)/buildlib/fail.mak
 PODOMAIN_H = $(BASE)/buildlib/podomain.mak
diff --git a/buildlib/environment.mak.in b/buildlib/environment.mak.in
index 4e47692f5..b3afca0ad 100644
--- a/buildlib/environment.mak.in
+++ b/buildlib/environment.mak.in
@@ -36,8 +36,11 @@ DOCBOOK2MAN := @DOCBOOK2MAN@
 # XML for the man pages
 XMLTO := @XMLTO@
 
-# XML for the man pages
-XMLTO := @XMLTO@
+# po4a for the man pages
+XSLTPROC := @XSLTPROC@
+
+# po4a for the man pages
+PO4A := @PO4A@
 
 # Gettext settings
 GMSGFMT = @GMSGFMT@
diff --git a/buildlib/po4a_manpage.mak b/buildlib/po4a_manpage.mak
new file mode 100644
index 000000000..3ea4e2cb5
--- /dev/null
+++ b/buildlib/po4a_manpage.mak
@@ -0,0 +1,54 @@
+# -*- make -*-
+
+# This handles man pages with po4a. We convert to the respective
+# output in the source directory then copy over to the final dest. This
+# means po4a is only needed if compiling from bzr
+
+# Input
+# $(LC)     - The language code of the translation
+
+# See defaults.mak for information about LOCAL
+
+# generate a list of accepted man page translations
+SOURCE = $(patsubst %.xml,%,$(wildcard *.$(LC).?.xml))
+INCLUDES = apt.ent
+
+# Do not use XMLTO, build the manpages directly with XSLTPROC
+ifdef XSLTPROC
+
+STYLESHEET=./style.$(LC).xsl
+
+LOCAL := po4a-manpage-$(firstword $(SOURCE))
+$(LOCAL)-LIST := $(SOURCE)
+
+# Install generation hooks
+doc: $($(LOCAL)-LIST)
+veryclean: veryclean/$(LOCAL)
+
+$($(LOCAL)-LIST) :: % : %.xml $(INCLUDES)
+	echo Creating man page $@
+	$(XSLTPROC) -o $@ $(STYLESHEET) $< # why xsltproc doesn't respect the -o flag here???
+	mv -f $(subst .$(LC),,$@) $@
+
+# Clean rule
+.PHONY: veryclean/$(LOCAL)
+veryclean/$(LOCAL):
+	-rm -rf $($(@F)-LIST) apt.ent apt.$(LC).8 \
+		$(addsuffix .xml,$($(@F)-LIST))
+
+HAVE_PO4A=yes
+endif
+
+# take care of the rest
+SOURCE := $(SOURCE) apt.$(LC).8
+INCLUDES :=
+
+ifndef HAVE_PO4A
+# Strip from the source list any man pages we dont have compiled already
+SOURCE := $(wildcard $(SOURCE))
+endif
+
+# Chain to the manpage rule
+ifneq ($(words $(SOURCE)),0)
+include $(MANPAGE_H)
+endif