From 0d38cbba0b9bbfd3c885c7f24e2b224579a334a4 Mon Sep 17 00:00:00 2001
From: Ludovic Courtès
Date: Fri, 1 Jun 2012 18:14:16 +0200
Subject: build: Don't build/test the RSS-2 reader when its requirements aren't
 met.

Reported by rvclayton@verizon.net (R. Clayton).

* configure.ac: Add `BUILD_RSS2_READER' Automake conditional.

* src/guile/Makefile.am (readers): Make `skribilo/reader/rss-2.scm'
  conditional on `BUILD_RSS2_READER'.
  (EXTRA_DIST)[!BUILD_RSS2_READER]: Add `skribilo/reader/rss-2.scm'.

* tests/Makefile.am (TESTS): Make `readers/rss-2.test' conditional on
  `BUILD_RSS2_READER'.
  (EXTRA_DIST)[!BUILD_RSS2_READER]: Add `readers/rss-2.test'.
---
 configure.ac          |  3 +++
 src/guile/Makefile.am | 14 ++++++++++++--
 tests/Makefile.am     | 11 ++++++++++-
 3 files changed, 25 insertions(+), 3 deletions(-)

diff --git a/configure.ac b/configure.ac
index 505d8e6..2402e6f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -63,6 +63,9 @@ if test "x$have_sxml_simple$have_htmlprag" != "xyesyes"; then
   AC_MSG_WARN([Guile-Lib modules needed by the `rss-2' reader are missing.])
 fi
 
+AM_CONDITIONAL([BUILD_RSS2_READER],
+  [test "x$have_sxml_simple$have_htmlprag" == "xyesyes"])
+
 # Look for `convert', from ImageMagick.
 AC_PATH_PROG([CONVERT], [convert])
 if test "x$CONVERT" == "x"; then
diff --git a/src/guile/Makefile.am b/src/guile/Makefile.am
index eb44261..ea5df96 100644
--- a/src/guile/Makefile.am
+++ b/src/guile/Makefile.am
@@ -47,8 +47,18 @@ SOURCES =								\
 SOURCES += $(readers) $(packages) $(engines)
 
 readers =							\
-  skribilo/reader/skribe.scm skribilo/reader/outline.scm	\
-  skribilo/reader/rss-2.scm
+  skribilo/reader/skribe.scm skribilo/reader/outline.scm
+
+if BUILD_RSS2_READER
+
+readers += skribilo/reader/rss-2.scm
+
+else !BUILD_RSS2_READER
+
+EXTRA_DIST += skribilo/reader/rss-2.scm
+
+endif !BUILD_RSS2_READER
+
 
 engines =						\
   skribilo/engine/base.scm skribilo/engine/context.scm	\
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 4798202..87d7641 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -6,10 +6,19 @@ TESTS_ENVIRONMENT =									\
 TESTS =						\
   ast.test					\
   resolve.test					\
-  readers/rss-2.test				\
   engines/info.test				\
   location.test
 
+if BUILD_RSS2_READER
+
+TESTS += readers/rss-2.test
 EXTRA_DIST = $(TESTS)
 
+else !BUILD_RSS2_READER
+
+EXTRA_DIST = $(TESTS) readers/rss-2.test
+
+endif !BUILD_RSS2_READER
+
+
 CLEANFILES = ast.log resolve.log rss-2.log location.log info.log
-- 
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