[vala/wip/devhelp-internal] doc: Allow to build devhelp of the internal documentation

[Corentin Noël <corentinnoel src gnome org>]

commit edc519c248cca94c47a3fbcd753299b3d22c9221
Author: Corentin Noël <corentin noel collabora com>
Date:   Fri Mar 15 10:52:33 2019 +0100

    doc: Allow to build devhelp of the internal documentation

 configure.ac    |  3 +++
 doc/Makefile.am | 24 ++++++++++++++++++++++--
 2 files changed, 25 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 16ebd1f81..27a4dc1e1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -189,6 +189,9 @@ fi
 AM_CONDITIONAL(HAVE_CGRAPH, test "$have_cgraph" = "yes")
 AM_CONDITIONAL(ENABLE_VALADOC, test x$enable_valadoc = xyes)
 
+AC_ARG_ENABLE(devhelp-doclet, AS_HELP_STRING([--enable-devhelp-doclet], [Use the devhelp doclet instead of 
HTML when building the documentation]), enable_devhelp_doclet=$enableval, enable_devhelp_doclet=no)
+AM_CONDITIONAL(ENABLE_DEVHELP_DOCLET, test x$enable_devhelp_doclet = xyes)
+
 AC_PATH_PROG([XSLTPROC], [xsltproc], :)
 AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != :)
 
diff --git a/doc/Makefile.am b/doc/Makefile.am
index d2684a0e0..2799242a2 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -67,6 +67,16 @@ endif
        cd $(DESTDIR)$(man1dir) && $(LN_S) -f vapigen@PACKAGE_SUFFIX@.1 vapigen.1
 endif
 
+if ENABLE_DEVHELP_DOCLET
+COMMON_VALADOCFLAGS_DOCLET = \
+       --doclet=$(top_builddir)/valadoc/doclets/devhelp/.libs \
+       $(NULL)
+else
+COMMON_VALADOCFLAGS_DOCLET = \
+       --doclet=$(top_builddir)/valadoc/doclets/html/.libs \
+       --doclet-arg "--no-browsable-check" \
+       $(NULL)
+endif
 
 if ENABLE_VALADOC
 COMMON_VALADOCFLAGS = \
@@ -79,9 +89,8 @@ COMMON_VALADOCFLAGS = \
        --pkg config \
        --pkg gmodule-2.0 \
        --directory=internal-apis/ \
-       --doclet=$(top_builddir)/valadoc/doclets/html/.libs \
-       --doclet-arg "--no-browsable-check" \
        --basedir=internal-apis/ \
+       $(COMMON_VALADOCFLAGS_DOCLET) \
        $(NULL)
 
 if HAVE_CGRAPH
@@ -150,6 +159,17 @@ internal-apis/valadoc: $(valadoc_VALASOURCES) internal-apis/codegen
        @touch $@
 
 internal-api-docs: internal-apis/gee internal-apis/vala internal-apis/ccode internal-apis/codegen 
internal-apis/valadoc
+
+if ENABLE_DEVHELP_DOCLET
+devhelpdocdir = $(datadir)/gtk-doc/html/
+devhelpdoc_DATA = \
+       internal-apis/gee \
+       internal-apis/vala \
+       internal-apis/ccode \
+       internal-apis/codegen \
+       internal-apis/valadoc \
+       $(NULL)
+endif
 endif
 
 clean-local: