[Xen-devel] [Patch] docs: Honour --{en, dis}able-xend when building docs

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

If a user has specified --disable-xend, they wont want the manpages either.

Propagating this parameters requires reorganising the way in which the
makefile chooses which documents to build.

There is now a split of {MAN1,MAN5,MARKDOWN,TXT}SRC-y to select which
documentation to build, which is separate from the patsubst section which
generates appropriate paths to trigger the later rules.

The manpages are quite easy to split between xend, xl and xenstore, and have
been.  Items from misc/ are much harder and been left.

Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
CC: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
CC: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

--

The configure scripts should be regenerated as part of applying this patch.

George:
   I request this gets a release ack for 4.4.  It could be argued as a bug in
   the current implementation of --disable-xend, and the extent of potential
   problems are that I have accidentally missed some of the manpages during
   the reorg, but this can be easily confirmed by comparing the results of the
   two builds (which I have done).
---
 config/Docs.mk.in |    3 +++
 docs/Makefile     |   38 ++++++++++++++++++++++++--------------
 docs/configure.ac |    4 ++++
 3 files changed, 31 insertions(+), 14 deletions(-)

diff --git a/config/Docs.mk.in b/config/Docs.mk.in
index a2a72fd..03fac60 100644
--- a/config/Docs.mk.in
+++ b/config/Docs.mk.in
@@ -12,3 +12,6 @@ POD2HTML            := @POD2HTML@
 POD2TEXT            := @POD2TEXT@
 MARKDOWN            := @MARKDOWN@
 PERL                := @PERL@
+
+# Subsets of documentation to build
+CONFIG_XEND         := @xend@
diff --git a/docs/Makefile b/docs/Makefile
index 8d5d48e..828c059 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -6,20 +6,30 @@ VERSION               := $(shell $(MAKE) -C $(XEN_ROOT)/xen 
--no-print-directory xenversion)
 
 DOC_ARCHES      := arm x86_32 x86_64
 
-DOC_MAN5SRC    := $(wildcard man/*.pod.5)
-DOC_MAN1SRC    := $(wildcard man/*.pod.1)
-DOC_MAN1       := $(patsubst man/%.pod.1,man1/%.1,$(DOC_MAN1SRC))
-DOC_MAN5       := $(patsubst man/%.pod.5,man5/%.5,$(DOC_MAN5SRC))
-DOC_MARKDOWN   := $(wildcard misc/*.markdown)
-DOC_HTML       := $(patsubst %.markdown,html/%.html,$(DOC_MARKDOWN)) \
-                  $(patsubst man/%.pod.1,html/man/%.1.html,$(DOC_MAN1SRC)) \
-                  $(patsubst man/%.pod.5,html/man/%.5.html,$(DOC_MAN5SRC)) \
-                  $(patsubst %.txt,html/%.txt,$(wildcard misc/*.txt)) \
-                  $(patsubst %,html/hypercall/%/index.html,$(DOC_ARCHES))
-DOC_TXT         := $(patsubst %.txt,txt/%.txt,$(wildcard misc/*.txt)) \
-                  $(patsubst %.markdown,txt/%.txt,$(DOC_MARKDOWN)) \
-                  $(patsubst man/%.pod.1,txt/man/%.1.txt,$(DOC_MAN1SRC)) \
-                  $(patsubst man/%.pod.5,txt/man/%.5.txt,$(DOC_MAN5SRC))
+# Documentation sources to build
+MAN1SRC-y := $(wildcard man/xl*.pod.1)
+MAN1SRC-y += $(wildcard man/xenstore*.pod.1)
+MAN1SRC-$(CONFIG_XEND) += man/xm.pod.1
+
+MAN5SRC-y := $(wildcard man/xl*.pod.5)
+MAN5SRC-$(CONFIG_XEND) += man/xend-config.sxp.pod.5 man/xmdomain.cfg.pod.5
+
+MARKDOWNSRC-y := $(wildcard misc/*.markdown)
+
+TXTSRC-y := $(wildcard misc/*.txt)
+
+
+DOC_MAN1 := $(patsubst man/%.pod.1,man1/%.1,$(MAN1SRC-y))
+DOC_MAN5 := $(patsubst man/%.pod.5,man5/%.5,$(MAN5SRC-y))
+DOC_HTML := $(patsubst %.markdown,html/%.html,$(MARKDOWN-y)) \
+            $(patsubst man/%.pod.1,html/man/%.1.html,$(MAN1SRC-y)) \
+            $(patsubst man/%.pod.5,html/man/%.5.html,$(MAN5SRC-y)) \
+            $(patsubst %.txt,html/%.txt,$(TXTSRC-y)) \
+            $(patsubst %,html/hypercall/%/index.html,$(DOC_ARCHES))
+DOC_TXT  := $(patsubst %.txt,txt/%.txt,$(TXTSRC-y)) \
+            $(patsubst %.markdown,txt/%.txt,$(MARKDOWN-y)) \
+            $(patsubst man/%.pod.1,txt/man/%.1.txt,$(MAN1SRC-y)) \
+            $(patsubst man/%.pod.5,txt/man/%.5.txt,$(MAN5SRC-y))
 
 .PHONY: all
 all: build
diff --git a/docs/configure.ac b/docs/configure.ac
index f0ebf00..7e6d1b1 100644
--- a/docs/configure.ac
+++ b/docs/configure.ac
@@ -11,6 +11,7 @@ AC_CONFIG_AUX_DIR([../])
 # M4 Macro includes
 m4_include([../m4/docs_tool.m4])
 m4_include([../m4/path_or_fail.m4])
+m4_include([../m4/features.m4])
 
 AX_DOCS_TOOL_PROG([FIG2DEV], [fig2dev])
 AX_DOCS_TOOL_PROG([POD2MAN], [pod2man])
@@ -18,6 +19,9 @@ AX_DOCS_TOOL_PROG([POD2HTML], [pod2html])
 AX_DOCS_TOOL_PROG([POD2TEXT], [pod2text])
 AX_DOCS_TOOL_PROGS([MARKDOWN], [markdown], [markdown markdown_py])
 
+# Enable/disable options
+AX_ARG_DEFAULT_DISABLE([xend], [Enable xend toolstack documentation])
+
 AC_ARG_VAR([PERL], [Path to Perl parser])
 AX_PATH_PROG_OR_FAIL([PERL], [perl])
 
-- 
1.7.10.4


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