build: Move man pages into man/

This is preparation for having 3 separate doc build systems (whee):

 - xsltproc for the man pages
 - gtk-doc for the API docs
 - mkdocs for a real manual

Makefile-man.am

@@ -0,0 +1,54 @@
+# Makefile for man/
+#
+# Copyright (C) 2016 Colin Walters <walters@verbum.org>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+man1_files = ostree.1 ostree-admin-cleanup.1 ostree-admin-config-diff.1 ostree-admin-deploy.1 ostree-admin-init-fs.1 ostree-admin-instutil.1 ostree-admin-os-init.1 ostree-admin-status.1 ostree-admin-set-origin.1 ostree-admin-switch.1 ostree-admin-undeploy.1 ostree-admin-upgrade.1 ostree-admin.1 ostree-cat.1 ostree-checkout.1 ostree-checksum.1 ostree-commit.1 ostree-gpg-sign.1 ostree-config.1 ostree-diff.1 ostree-fsck.1 ostree-init.1 ostree-log.1 ostree-ls.1 ostree-prune.1 ostree-pull-local.1 ostree-pull.1 ostree-refs.1 ostree-remote.1 ostree-reset.1 ostree-rev-parse.1 ostree-show.1 ostree-summary.1 ostree-static-delta.1 ostree-trivial-httpd.1
+
+man5_files = ostree.repo.5 ostree.repo-config.5
+
+man1_MANS = $(addprefix man/,$(man1_files))
+man5_MANS = $(addprefix man/,$(man5_files))
+
+EXTRA_DIST += $(man1_MANS) $(man5_MANS)
+
+if ENABLE_XSLTPROC
+
+XSLT_STYLESHEET = http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
+
+XSLTPROC_FLAGS = \
+        --nonet \
+        --stringparam man.output.quietly 1 \
+        --stringparam funcsynopsis.style ansi \
+        --stringparam man.th.extra1.suppress 1 \
+        --stringparam man.authors.section.enabled 0 \
+        --stringparam man.copyright.section.enabled 0
+
+XSLTPROC_MAN = $(XSLTPROC) $(XSLTPROC_FLAGS)
+
+%.1: %.xml
+	$(AM_V_GEN) $(XSLTPROC_MAN) --output $@ $(XSLT_STYLESHEET) $<
+
+%.5: %.xml
+	$(AM_V_GEN) $(XSLTPROC_MAN) --output $@ $(XSLT_STYLESHEET) $<
+
+CLEANFILES += \
+	$(man1_MANS) \
+	$(man5_MANS) \
+	$(NULL)
+
+endif # ENABLE_GTK_DOC

Makefile.am

@@ -70,6 +70,7 @@ include Makefile-ostree.am
 include Makefile-switchroot.am
 include Makefile-tests.am
 include Makefile-boot.am
+include Makefile-man.am
 
 release-tag:
 	git tag -m "Release $(VERSION)" v$(VERSION)

configure.ac

@@ -127,6 +127,7 @@ AM_CONDITIONAL([ENABLE_GTK_DOC], false)
 ])
 
 AC_PATH_PROG([XSLTPROC], [xsltproc])
+AM_CONDITIONAL([ENABLE_XSLTPROC], test -n "${XSLTPROC}")
 
 AC_ARG_WITH(libarchive,
 	    AS_HELP_STRING([--without-libarchive], [Do not use libarchive]),

doc/Makefile.am

@@ -126,43 +126,7 @@ version.xml:
 # This includes the standard gtk-doc make rules, copied by gtkdocize.
 include $(top_srcdir)/gtk-doc.make
 
-man1_MANS = ostree.1 ostree-admin-cleanup.1 ostree-admin-config-diff.1 ostree-admin-deploy.1 ostree-admin-init-fs.1 ostree-admin-instutil.1 ostree-admin-os-init.1 ostree-admin-status.1 ostree-admin-set-origin.1 ostree-admin-switch.1 ostree-admin-undeploy.1 ostree-admin-upgrade.1 ostree-admin.1 ostree-cat.1 ostree-checkout.1 ostree-checksum.1 ostree-commit.1 ostree-gpg-sign.1 ostree-config.1 ostree-diff.1 ostree-fsck.1 ostree-init.1 ostree-log.1 ostree-ls.1 ostree-prune.1 ostree-pull-local.1 ostree-pull.1 ostree-refs.1 ostree-remote.1 ostree-reset.1 ostree-rev-parse.1 ostree-show.1 ostree-summary.1 ostree-static-delta.1 ostree-trivial-httpd.1
-
-man5_MANS = ostree.repo.5 ostree.repo-config.5
-
-if ENABLE_GTK_DOC
-
-XSLTPROC_FLAGS = \
-        --nonet \
-        --stringparam man.output.quietly 1 \
-        --stringparam funcsynopsis.style ansi \
-        --stringparam man.th.extra1.suppress 1 \
-        --stringparam man.authors.section.enabled 0 \
-        --stringparam man.copyright.section.enabled 0
-
-XSLTPROC_MAN = \
-	$(XSLTPROC) $(XSLTPROC_FLAGS) http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl
-
-.xml.1:
-	$(AM_V_GEN) $(XSLTPROC_MAN) $<
-.xml.5:
-	$(AM_V_GEN) $(XSLTPROC_MAN) $<
-
-CLEANFILES += \
-	$(man1_MANS) \
-	$(man5_MANS) \
-	$(NULL)
-
-endif # ENABLE_GTK_DOC
-
-MAN_IN_FILES = \
-	$(man1_MANS:.1=.xml) \
-	$(man5_MANS:.5=.xml) \
-	$(NULL)
-
 EXTRA_DIST += \
-	$(MAN_IN_FILES) \
 	version.xml \
-	ostree.xml \
 	ostree-sections.txt \
 	$(NULL)