build system: Check for a2x and xsltproc.

[template.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 715639bfdcc667f5467b3391461126d28e52f44d..5f0be652dbade58b9b735754eca21cfd959bc7d7 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -193,6 +193,26 @@ AC_SUBST([STRICT_CFLAGS])
 
 AC_CHECK_HEADERS(libgen.h)
 
+dnl Check for dependencies.
+build_documentation="yes"
+
+have_xsltproc="yes"
+AC_PATH_PROG([XSLTPROC], [xsltproc])
+if test "x$XSLTPROC" = "x"; then
+       have_xsltproc="no"
+       build_documentation="no (missing xsltproc)"
+fi
+
+have_a2x="yes"
+AC_PATH_PROG([A2X], [a2x])
+if test "x$A2X" = "x"; then
+       have_a2x="no"
+       build_documentation="no (missing a2x)"
+fi
+AC_SUBST([A2X])
+
+AM_CONDITIONAL([BUILD_DOCUMENTATION], test "x$build_documentation" = "xyes")
+
 AC_CONFIG_FILES([Makefile doc/Makefile src/Makefile])
 AC_OUTPUT
 
@@ -208,6 +228,13 @@ Configuration summary:
   package version: $PACKAGE_VERSION
   build date: `date --utc '+%F %T'` (UTC)
 
+  Tools:
+    AsciiDoc (a2x): . . . . . . $have_a2x
+    xsltproc: . . . . . . . . . $have_xsltproc
+
+  Features:
+    documentation:  . . . . . . $build_documentation
+
 This package is maintained by $PACKAGE_MAINTAINER.
 Please report bugs to $PACKAGE_BUGREPORT.