dnl Checks for tools needed to generate manual pages

AC_DEFUN([CHECK_XML_TOOLS],

[

AC_PATH_PROG([XSLTPROC], [xsltproc])

if test ! -x "$XSLTPROC"; then

AC_MSG_ERROR([Could not find xsltproc])

fi

AC_PATH_PROG([XMLLINT], [xmllint])

if test ! -x "$XMLLINT"; then

AC_MSG_ERROR([Could not find xmllint])

fi

])

dnl Usage:

dnl CHECK_STYLESHEET_URI(FILE, URI, [FRIENDLY-NAME], [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])

dnl Checks if the XML catalog given by FILE exists and

dnl if a particular URI appears in the XML catalog

AC_DEFUN([CHECK_STYLESHEET],

[

AC_CHECK_FILE($1, [], [AC_MSG_ERROR([could not find XML catalog])])

AC_MSG_CHECKING([for ifelse([$3],,[$2],[$3]) in XML catalog])

if AC_RUN_LOG([$XSLTPROC --catalogs --nonet --noout "$2" >&2]); then

AC_MSG_RESULT([yes])

m4_ifval([$4], [$4], [:])

else

AC_MSG_RESULT([no])

m4_ifval([$5], [$5], [:])

fi

])