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dnl
dnl @synopsis RT_LAYOUT(configlayout, layoutname)
dnl
dnl This macro reads an Apache-style layout file (specified as the
dnl configlayout parameter), and searches for a specific layout
dnl (named using the layoutname parameter).
dnl
dnl The entries for a given layout are then inserted into the
dnl environment such that they become available as substitution
dnl variables. In addition, the rt_layout_name variable is set
dnl (but not exported) if the layout is valid.
dnl
dnl This code is heavily borrowed *cough* from the Apache 2 codebase.
dnl
AC_DEFUN([RT_LAYOUT],[
if test ! -f $srcdir/config.layout; then
AC_MSG_WARN([Layout file $srcdir/config.layout not found])
rt_layout_name=no
else
pldconf=./config.pld
$PERL -0777 -p -e "\$layout = '$2';" -e '
s/.*<Layout\s+$layout>//gims;
s/\<\/Layout\>.*//s;
s/^#.*$//m;
s/^\s+//gim;
s/\s+$/\n/gim;
s/\+$/\/rt3/gim;
# m4 will not let us just use $1, we need @S|@1
s/^\s*((?:bin|sbin|libexec|data|sysconf|sharedstate|localstate|lib|include|oldinclude|info|man)dir)\s*:\s*(.*)$/@S|@1=@S|@2/gim;
s/^\s*(.*?)\s*:\s*(.*)$/\(test "x\@S|@@S|@1" = "xNONE" || test "x\@S|@@S|@1" = "x") && @S|@1=@S|@2/gim;
' < $1 > $pldconf
if test -s $pldconf; then
rt_layout_name=$2
. $pldconf
changequote({,})
for var in prefix exec_prefix bindir sbindir \
sysconfdir mandir libdir datadir htmldir \
localstatedir logfiledir masonstatedir \
sessionstatedir customdir custometcdir customhtmldir \
customlexdir customlibdir manualdir; do
eval "val=\"\$$var\""
val=`echo $val | sed -e 's:\(.\)/*$:\1:'`
val=`echo $val |
sed -e 's:[\$]\([a-z_]*\):${\1}:g'`
eval "$var='$val'"
done
changequote([,])
else
rt_layout_name=no
fi
#rm $pldconf
fi
RT_SUBST_EXPANDED_ARG(prefix)
RT_SUBST_EXPANDED_ARG(exec_prefix)
RT_SUBST_EXPANDED_ARG(bindir)
RT_SUBST_EXPANDED_ARG(sbindir)
RT_SUBST_EXPANDED_ARG(sysconfdir)
RT_SUBST_EXPANDED_ARG(mandir)
RT_SUBST_EXPANDED_ARG(libdir)
RT_SUBST_EXPANDED_ARG(datadir)
RT_SUBST_EXPANDED_ARG(htmldir)
RT_SUBST_EXPANDED_ARG(manualdir)
RT_SUBST_EXPANDED_ARG(localstatedir)
RT_SUBST_EXPANDED_ARG(logfiledir)
RT_SUBST_EXPANDED_ARG(masonstatedir)
RT_SUBST_EXPANDED_ARG(sessionstatedir)
RT_SUBST_EXPANDED_ARG(customdir)
RT_SUBST_EXPANDED_ARG(custometcdir)
RT_SUBST_EXPANDED_ARG(customhtmldir)
RT_SUBST_EXPANDED_ARG(customlexdir)
RT_SUBST_EXPANDED_ARG(customlibdir)
])dnl
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