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AC_DEFUN([AG_GST_DOCBOOK_CHECK],
[
dnl choose a location to install docbook docs in
if test "x$PACKAGE_TARNAME" = "x"
then
AC_MSG_ERROR([Internal error - PACKAGE_TARNAME not set])
fi
docdir="\$(datadir)/doc/$PACKAGE_TARNAME-$GST_MAJORMINOR"
dnl enable/disable docbook documentation building
AC_ARG_ENABLE(docbook,
AC_HELP_STRING([--enable-docbook],
[use docbook to build documentation [default=no]]),,
enable_docbook=no)
have_docbook=no
if test x$enable_docbook = xyes; then
dnl check if we actually have everything we need
dnl check for docbook tools
AC_CHECK_PROG(HAVE_DOCBOOK2PS, docbook2ps, yes, no)
AC_CHECK_PROG(HAVE_DOCBOOK2HTML, docbook2html, yes, no)
AC_CHECK_PROG(HAVE_JADETEX, jadetex, yes, no)
AC_CHECK_PROG(HAVE_PS2PDF, ps2pdf, yes, no)
# -V option appeared in 0.6.10
docbook2html_min_version=0.6.10
if test "x$HAVE_DOCBOOK2HTML" != "xno"; then
docbook2html_version=`docbook2html --version`
AC_MSG_CHECKING([docbook2html version ($docbook2html_version) >= $docbook2html_min_version])
if perl -w <<EOF
(\$min_version_major, \$min_version_minor, \$min_version_micro ) = "$docbook2html_min_version" =~ /(\d+)\.(\d+)\.(\d+)/;
(\$docbook2html_version_major, \$docbook2html_version_minor, \$docbook2html_version_micro ) = "$docbook2html_version" =~ /(\d+)\.(\d+)\.(\d+)/;
exit (((\$docbook2html_version_major > \$min_version_major) ||
((\$docbook2html_version_major == \$min_version_major) &&
(\$docbook2html_version_minor >= \$min_version_minor)) ||
((\$docbook2html_version_major == \$min_version_major) &&
(\$docbook2html_version_minor >= \$min_version_minor) &&
(\$docbook2html_version_micro >= \$min_version_micro)))
? 0 : 1);
EOF
then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
HAVE_DOCBOOK2HTML=no
fi
fi
dnl check if we can process docbook stuff
AS_DOCBOOK(have_docbook=yes, have_docbook=no)
dnl check for extra tools
AC_CHECK_PROG(HAVE_DVIPS, dvips, yes, no)
AC_CHECK_PROG(HAVE_XMLLINT, xmllint, yes, no)
dnl check for image conversion tools
AC_CHECK_PROG(HAVE_FIG2DEV, fig2dev, yes, no)
if test "x$HAVE_FIG2DEV" = "xno" ; then
AC_MSG_WARN([Did not find fig2dev (from xfig), images will not be generated.])
fi
dnl The following is a hack: if fig2dev doesn't display an error message
dnl for the desired type, we assume it supports it.
HAVE_FIG2DEV_EPS=no
if test "x$HAVE_FIG2DEV" = "xyes" ; then
fig2dev_quiet=`fig2dev -L eps </dev/null 2>&1 >/dev/null`
if test "x$fig2dev_quiet" = "x" ; then
HAVE_FIG2DEV_EPS=yes
fi
fi
HAVE_FIG2DEV_PNG=no
if test "x$HAVE_FIG2DEV" = "xyes" ; then
fig2dev_quiet=`fig2dev -L png </dev/null 2>&1 >/dev/null`
if test "x$fig2dev_quiet" = "x" ; then
HAVE_FIG2DEV_PNG=yes
fi
fi
HAVE_FIG2DEV_PDF=no
if test "x$HAVE_FIG2DEV" = "xyes" ; then
fig2dev_quiet=`fig2dev -L pdf </dev/null 2>&1 >/dev/null`
if test "x$fig2dev_quiet" = "x" ; then
HAVE_FIG2DEV_PDF=yes
fi
fi
AC_CHECK_PROG(HAVE_PNGTOPNM, pngtopnm, yes, no)
AC_CHECK_PROG(HAVE_PNMTOPS, pnmtops, yes, no)
AC_CHECK_PROG(HAVE_EPSTOPDF, epstopdf, yes, no)
dnl check if we can generate HTML
if test "x$HAVE_DOCBOOK2HTML" = "xyes" && \
test "x$enable_docbook" = "xyes" && \
test "x$HAVE_XMLLINT" = "xyes" && \
test "x$HAVE_FIG2DEV_PNG" = "xyes"; then
DOC_HTML=yes
AC_MSG_NOTICE(Will output HTML documentation)
else
DOC_HTML=no
AC_MSG_NOTICE(Will not output HTML documentation)
fi
dnl check if we can generate PS
if test "x$HAVE_DOCBOOK2PS" = "xyes" && \
test "x$enable_docbook" = "xyes" && \
test "x$HAVE_XMLLINT" = "xyes" && \
test "x$HAVE_JADETEX" = "xyes" && \
test "x$HAVE_FIG2DEV_EPS" = "xyes" && \
test "x$HAVE_DVIPS" = "xyes" && \
test "x$HAVE_PNGTOPNM" = "xyes" && \
test "x$HAVE_PNMTOPS" = "xyes"; then
DOC_PS=yes
AC_MSG_NOTICE(Will output PS documentation)
else
DOC_PS=no
AC_MSG_NOTICE(Will not output PS documentation)
fi
dnl check if we can generate PDF - using only ps2pdf
if test "x$DOC_PS" = "xyes" && \
test "x$enable_docbook" = "xyes" && \
test "x$HAVE_XMLLINT" = "xyes" && \
test "x$HAVE_PS2PDF" = "xyes"; then
DOC_PDF=yes
AC_MSG_NOTICE(Will output PDF documentation)
else
DOC_PDF=no
AC_MSG_NOTICE(Will not output PDF documentation)
fi
dnl if we don't have everything, we should disable
if test "x$have_docbook" != "xyes"; then
enable_docbook=no
fi
fi
dnl if we're going to install documentation, tell us where
if test "x$have_docbook" = "xyes"; then
AC_MSG_NOTICE(Installing documentation in $docdir)
AC_SUBST(docdir)
fi
AM_CONDITIONAL(ENABLE_DOCBOOK, test x$enable_docbook = xyes)
AM_CONDITIONAL(DOC_HTML, test x$DOC_HTML = xyes)
AM_CONDITIONAL(DOC_PDF, test x$DOC_PDF = xyes)
AM_CONDITIONAL(DOC_PS, test x$DOC_PS = xyes)
])
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