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From 1dae711f17473e12c822a657ffca02abee27b3a2 Mon Sep 17 00:00:00 2001
From: Rico Tzschichholz <ricotz@ubuntu.com>
Date: Sun, 27 Aug 2017 16:03:03 +0200
Subject: [PATCH] build: Allow disabling the build of valadoc

Allow disabling build of valadoc with configure option --disable-valadoc

Fixes https://gitlab.gnome.org/GNOME/vala/issues/596
---
 Makefile.am     | 10 +++++++++
 configure.ac    | 59 ++++++++++++++++++++++++++-----------------------
 doc/Makefile.am | 17 +++++++++++++-
 3 files changed, 57 insertions(+), 29 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 88bef90ed..e4d46741f 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -13,9 +13,19 @@ SUBDIRS = \
 	doc \
 	gobject-introspection \
 	vapigen \
+	$(NULL)
+
+if ENABLE_VALADOC
+SUBDIRS += \
 	libvaladoc \
 	valadoc \
 	$(NULL)
+endif
+
+DISTCHECK_CONFIGURE_FLAGS = \
+	--enable-valadoc \
+	--enable-unversioned \
+	$(NULL)
 
 if ENABLE_UNVERSIONED
 aclocaldir = $(datadir)/aclocal
diff --git a/configure.ac b/configure.ac
index 88ca0f94b..9d1c97417 100644
--- a/configure.ac
+++ b/configure.ac
@@ -119,35 +119,38 @@ PKG_CHECK_MODULES(GMODULE, gmodule-2.0 >= $GLIB_REQUIRED)
 AC_SUBST(GMODULE_CFLAGS)
 AC_SUBST(GMODULE_LIBS)
 
-PKG_CHECK_MODULES(LIBGVC, libgvc >= $LIBGVC_REQUIRED)
-AC_MSG_CHECKING([for CGRAPH])
-cgraph_tmp_LIBADD="$LIBADD"
-cgraph_tmp_CFLAGS="$CFLAGS"
-LIBADD="$LIBADD $LIBGVC_LIBS"
-CFLAGS="$CFLAGS $LIBGVC_CFLAGS"
-AC_RUN_IFELSE(
-	[AC_LANG_SOURCE([
-		#include <gvc.h>
-
-		int main(void) {
-			#ifdef WITH_CGRAPH
-				return 0;
-			#else
-				return -1;
-			#endif
-		}
-	])], [
-		AC_MSG_RESULT([yes])
-		VALAFLAGS="$VALAFLAGS -D WITH_CGRAPH"
-		have_cgraph=yes
-	], [
-		AC_MSG_RESULT([no])
-		have_cgraph=no
-	]
-)
-LIBADD="$cgraph_tmp_LIBADD"
-CFLAGS="$cgraph_tmp_CFLAGS"
+AC_ARG_ENABLE(valadoc, AS_HELP_STRING([--disable-valadoc], [Disable valadoc]), enable_valadoc=$enableval, enable_valadoc=yes)
+if test x$enable_valadoc = xyes; then
+	PKG_CHECK_MODULES(LIBGVC, libgvc >= $LIBGVC_REQUIRED)
+	AC_MSG_CHECKING([for CGRAPH])
+	cgraph_tmp_LIBADD="$LIBADD"
+	cgraph_tmp_CFLAGS="$CFLAGS"
+	LIBADD="$LIBADD $LIBGVC_LIBS"
+	CFLAGS="$CFLAGS $LIBGVC_CFLAGS"
+	AC_RUN_IFELSE(
+		[AC_LANG_SOURCE([
+			#include <gvc.h>
+			int main(void) {
+				#ifdef WITH_CGRAPH
+					return 0;
+				#else
+					return -1;
+				#endif
+			}
+		])], [
+			AC_MSG_RESULT([yes])
+			VALAFLAGS="$VALAFLAGS -D WITH_CGRAPH"
+			have_cgraph=yes
+		], [
+			AC_MSG_RESULT([no])
+			have_cgraph=no
+		]
+	)
+	LIBADD="$cgraph_tmp_LIBADD"
+	CFLAGS="$cgraph_tmp_CFLAGS"
+fi
 AM_CONDITIONAL(HAVE_CGRAPH, test "$have_cgraph" = "yes")
+AM_CONDITIONAL(ENABLE_VALADOC, test x$enable_valadoc = xyes)
 
 AC_PATH_PROG([XSLTPROC], [xsltproc], :)
 AM_CONDITIONAL(HAVE_XSLTPROC, test "$XSLTPROC" != :)
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 758ad733a..b79f229c4 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -6,11 +6,16 @@ SUBDIRS = \
 
 dist_man_MANS = \
 	valac.1 \
-	valadoc.1 \
 	vala-gen-introspect.1 \
 	vapigen.1 \
 	$(NULL)
 
+if ENABLE_VALADOC
+dist_man_MANS += \
+	valadoc.1 \
+	$(NULL)
+endif
+
 EXTRA_DIST = \
 	valac.h2m \
 	valadoc.h2m \
@@ -19,7 +24,11 @@ EXTRA_DIST = \
 	$(NULL)
 
 if HAVE_HELP2MAN
+if ENABLE_VALADOC
 manpages: valac.1 valadoc.1 vala-gen-introspect.1 vapigen.1
+else
+manpages: valac.1 vala-gen-introspect.1 vapigen.1
+endif
 	@rm $^
 	$(MAKE) $(AM_MAKEFLAGS) $^
 
@@ -28,11 +37,13 @@ valac.1:
 		--include $(srcdir)/valac.h2m \
 		--libtool --no-info \
 		--output=$@
+if ENABLE_VALADOC
 valadoc.1:
 	$(HELP2MAN) $(top_builddir)/valadoc/valadoc \
 		--include $(srcdir)/valadoc.h2m \
 		--libtool --no-info \
 		--output=$@
+endif
 vala-gen-introspect.1:
 	$(HELP2MAN) $(top_builddir)/gobject-introspection/gen-introspect \
 		--include $(srcdir)/vala-gen-introspect.h2m \
@@ -49,12 +60,15 @@ endif
 if ENABLE_UNVERSIONED
 install-data-hook:
 	cd $(DESTDIR)$(man1dir) && $(LN_S) -f valac@PACKAGE_SUFFIX@.1 valac.1
+if ENABLE_VALADOC
 	cd $(DESTDIR)$(man1dir) && $(LN_S) -f valadoc@PACKAGE_SUFFIX@.1 valadoc.1
+endif
 	cd $(DESTDIR)$(man1dir) && $(LN_S) -f vala-gen-introspect@PACKAGE_SUFFIX@.1 vala-gen-introspect.1
 	cd $(DESTDIR)$(man1dir) && $(LN_S) -f vapigen@PACKAGE_SUFFIX@.1 vapigen.1
 endif
 
 
+if ENABLE_VALADOC
 COMMON_VALADOCFLAGS = \
 	--force \
 	--verbose \
@@ -130,6 +144,7 @@ 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
+endif
 
 clean-local:
 	rm -rf $(builddir)/internal-apis
-- 
2.20.1