build-sys: make docbook path find easier to read

Additional gain, when horizontal lists are converted to vertical, is that
each item will be individually version controlled.

Change-Id: I4f12efac9c3d828fafdc7ab8a15740cfb0276538
Reviewed-on: http://gerrit.openafs.org/10014
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Benjamin Kaduk <kaduk@mit.edu>

diff --git a/acinclude.m4 b/acinclude.m4
index cf28544..96adde0 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -280,10 +280,22 @@ AC_ARG_WITH([docbook-stylesheets],
        AS_HELP_STRING([--with-docbook-stylesheets=ARG],
        [location of DocBook stylesheets (default is to search a set of likely paths)]),
        [DOCBOOK_STYLESHEETS="$withval"],
-       [OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS], [/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets /usr/share/sgml/docbook/docbook-xsl-stylesheets /usr/share/sgml/docbook/xsl-stylesheets /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl], [$HTML_XSL])
-       if test "x$DOCBOOK_STYLESHEETS" = "x"; then
-               AC_WARN([Docbook stylesheets not found; some documentation can't be built])
-       fi])
+       [OPENAFS_SEARCH_DIRLIST([DOCBOOK_STYLESHEETS],
+               [/usr/share/xml/docbook/stylesheet/nwalsh/current \
+                /usr/share/xml/docbook/stylesheet/nwalsh \
+                /usr/share/xml/docbook/xsl-stylesheets \
+                /usr/share/sgml/docbook/docbook-xsl-stylesheets \
+                /usr/share/sgml/docbook/xsl-stylesheets \
+                /usr/share/docbook-xsl \
+                /usr/share/sgml/docbkxsl \
+                /usr/local/share/xsl/docbook \
+                /sw/share/xml/xsl/docbook-xsl \
+                /opt/local/share/xsl/docbook-xsl],
+               [$HTML_XSL])
+          AS_IF([test "x$DOCBOOK_STYLESHEETS" = "x"],
+               [AC_WARN([Docbook stylesheets not found; some documentation can't be built])
+          ])
+       ])
 
 AC_ARG_WITH([dot],
        AS_HELP_STRING([--with-dot@<:@=PATH@:>@],