diff --git a/m4/ax_append_flag.m4 b/m4/ax_append_flag.m4
index aeab89979ac1ae08522681ed58decb11987273a6..08f2e07ec61bd428279958705ab200cded8e59d0 100644
--- a/m4/ax_append_flag.m4
+++ b/m4/ax_append_flag.m4
@@ -49,7 +49,7 @@
# modified version of the Autoconf Macro, you may extend this special
# exception to the GPL to apply to your modified version as well.
-#serial 5
+#serial 6
AC_DEFUN([AX_APPEND_FLAG],
[dnl
@@ -59,7 +59,7 @@ AS_VAR_SET_IF(FLAGS,[
AS_CASE([" AS_VAR_GET(FLAGS) "],
[*" $1 "*], [AC_RUN_LOG([: FLAGS already contains $1])],
[
- AS_VAR_APPEND(FLAGS," $1")
+ AS_VAR_APPEND(FLAGS,[" $1"])
AC_RUN_LOG([: FLAGS="$FLAGS"])
])
],
diff --git a/m4/ax_prog_doxygen.m4 b/m4/ax_prog_doxygen.m4
index fd145991e636d4d47a3bf7000a222c41f0614104..2b9fd661b0890597947eee30aae1a32440650770 100644
--- a/m4/ax_prog_doxygen.m4
+++ b/m4/ax_prog_doxygen.m4
@@ -4,7 +4,7 @@
#
# SYNOPSIS
#
-# DX_INIT_DOXYGEN(PROJECT-NAME, DOXYFILE-PATH, [OUTPUT-DIR])
+# DX_INIT_DOXYGEN(PROJECT-NAME, [DOXYFILE-PATH], [OUTPUT-DIR], ...)
# DX_DOXYGEN_FEATURE(ON|OFF)
# DX_DOT_FEATURE(ON|OFF)
# DX_HTML_FEATURE(ON|OFF)
@@ -45,14 +45,19 @@
# Once all the feature defaults have been specified, call DX_INIT_DOXYGEN
# with the following parameters: a one-word name for the project for use
# as a filename base etc., an optional configuration file name (the
-# default is 'Doxyfile', the same as Doxygen's default), and an optional
-# output directory name (the default is 'doxygen-doc').
+# default is '$(srcdir)/Doxyfile', the same as Doxygen's default), and an
+# optional output directory name (the default is 'doxygen-doc'). To run
+# doxygen multiple times for different configuration files and output
+# directories provide more parameters: the second, forth, sixth, etc
+# parameter are configuration file names and the third, fifth, seventh,
+# etc parameter are output directories. No checking is done to catch
+# duplicates.
#
# Automake Support
#
-# The following is a template aminclude.am file for use with Automake.
-# Make targets and variables values are controlled by the various
-# DX_COND_* conditionals set by autoconf.
+# The DX_RULES substitution can be used to add all needed rules to the
+# Makefile. Note that this is a substitution without being a variable:
+# only the @DX_RULES@ syntax will work.
#
# The provided targets are:
#
@@ -61,9 +66,7 @@
# doxygen-run: Run doxygen, which will generate some of the
# documentation (HTML, CHM, CHI, MAN, RTF, XML)
# but will not do the post processing required
-# for the rest of it (PS, PDF, and some MAN).
-#
-# doxygen-man: Rename some doxygen generated man pages.
+# for the rest of it (PS, PDF).
#
# doxygen-ps: Generate doxygen PostScript documentation.
#
@@ -84,178 +87,17 @@
#
# Then add this variable to MOSTLYCLEANFILES.
#
-# ----- begin aminclude.am -------------------------------------
-#
-# ## --------------------------------- ##
-# ## Format-independent Doxygen rules. ##
-# ## --------------------------------- ##
-#
-# if DX_COND_doc
-#
-# ## ------------------------------- ##
-# ## Rules specific for HTML output. ##
-# ## ------------------------------- ##
-#
-# if DX_COND_html
-#
-# DX_CLEAN_HTML = @DX_DOCDIR@/html
-#
-# endif DX_COND_html
-#
-# ## ------------------------------ ##
-# ## Rules specific for CHM output. ##
-# ## ------------------------------ ##
-#
-# if DX_COND_chm
-#
-# DX_CLEAN_CHM = @DX_DOCDIR@/chm
-#
-# if DX_COND_chi
-#
-# DX_CLEAN_CHI = @DX_DOCDIR@/@PACKAGE@.chi
-#
-# endif DX_COND_chi
-#
-# endif DX_COND_chm
-#
-# ## ------------------------------ ##
-# ## Rules specific for MAN output. ##
-# ## ------------------------------ ##
-#
-# if DX_COND_man
-#
-# DX_CLEAN_MAN = @DX_DOCDIR@/man
-#
-# endif DX_COND_man
-#
-# ## ------------------------------ ##
-# ## Rules specific for RTF output. ##
-# ## ------------------------------ ##
-#
-# if DX_COND_rtf
-#
-# DX_CLEAN_RTF = @DX_DOCDIR@/rtf
-#
-# endif DX_COND_rtf
-#
-# ## ------------------------------ ##
-# ## Rules specific for XML output. ##
-# ## ------------------------------ ##
-#
-# if DX_COND_xml
-#
-# DX_CLEAN_XML = @DX_DOCDIR@/xml
-#
-# endif DX_COND_xml
-#
-# ## ----------------------------- ##
-# ## Rules specific for PS output. ##
-# ## ----------------------------- ##
-#
-# if DX_COND_ps
-#
-# DX_CLEAN_PS = @DX_DOCDIR@/@PACKAGE@.ps
-#
-# DX_PS_GOAL = doxygen-ps
-#
-# doxygen-ps: @DX_DOCDIR@/@PACKAGE@.ps
-#
-# @DX_DOCDIR@/@PACKAGE@.ps: @DX_DOCDIR@/@PACKAGE@.tag
-# cd @DX_DOCDIR@/latex; \
-# rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \
-# $(DX_LATEX) refman.tex; \
-# $(MAKEINDEX_PATH) refman.idx; \
-# $(DX_LATEX) refman.tex; \
-# countdown=5; \
-# while $(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \
-# refman.log > /dev/null 2>&1 \
-# && test $$countdown -gt 0; do \
-# $(DX_LATEX) refman.tex; \
-# countdown=`expr $$countdown - 1`; \
-# done; \
-# $(DX_DVIPS) -o ../@PACKAGE@.ps refman.dvi
-#
-# endif DX_COND_ps
-#
-# ## ------------------------------ ##
-# ## Rules specific for PDF output. ##
-# ## ------------------------------ ##
-#
-# if DX_COND_pdf
-#
-# DX_CLEAN_PDF = @DX_DOCDIR@/@PACKAGE@.pdf
-#
-# DX_PDF_GOAL = doxygen-pdf
-#
-# doxygen-pdf: @DX_DOCDIR@/@PACKAGE@.pdf
-#
-# @DX_DOCDIR@/@PACKAGE@.pdf: @DX_DOCDIR@/@PACKAGE@.tag
-# cd @DX_DOCDIR@/latex; \
-# rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \
-# $(DX_PDFLATEX) refman.tex; \
-# $(DX_MAKEINDEX) refman.idx; \
-# $(DX_PDFLATEX) refman.tex; \
-# countdown=5; \
-# while $(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \
-# refman.log > /dev/null 2>&1 \
-# && test $$countdown -gt 0; do \
-# $(DX_PDFLATEX) refman.tex; \
-# countdown=`expr $$countdown - 1`; \
-# done; \
-# mv refman.pdf ../@PACKAGE@.pdf
-#
-# endif DX_COND_pdf
-#
-# ## ------------------------------------------------- ##
-# ## Rules specific for LaTeX (shared for PS and PDF). ##
-# ## ------------------------------------------------- ##
-#
-# if DX_COND_latex
-#
-# DX_CLEAN_LATEX = @DX_DOCDIR@/latex
-#
-# endif DX_COND_latex
-#
-# .PHONY: doxygen-run doxygen-doc $(DX_PS_GOAL) $(DX_PDF_GOAL)
-#
-# .INTERMEDIATE: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL)
-#
-# doxygen-run: @DX_DOCDIR@/@PACKAGE@.tag
-#
-# doxygen-doc: doxygen-run $(DX_PS_GOAL) $(DX_PDF_GOAL)
-#
-# @DX_DOCDIR@/@PACKAGE@.tag: $(DX_CONFIG) $(pkginclude_HEADERS)
-# rm -rf @DX_DOCDIR@
-# $(DX_ENV) $(DX_DOXYGEN) $(srcdir)/$(DX_CONFIG)
-# echo Timestamp >$@
-#
-# DX_CLEANFILES = \
-# @DX_DOCDIR@/@PACKAGE@.tag \
-# -r \
-# $(DX_CLEAN_HTML) \
-# $(DX_CLEAN_CHM) \
-# $(DX_CLEAN_CHI) \
-# $(DX_CLEAN_MAN) \
-# $(DX_CLEAN_RTF) \
-# $(DX_CLEAN_XML) \
-# $(DX_CLEAN_PS) \
-# $(DX_CLEAN_PDF) \
-# $(DX_CLEAN_LATEX)
-#
-# endif DX_COND_doc
-#
-# ----- end aminclude.am ---------------------------------------
-#
# LICENSE
#
# Copyright (c) 2009 Oren Ben-Kiki <oren@ben-kiki.org>
+# Copyright (c) 2015 Olaf Mandel <olaf@mandel.name>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
-#serial 13
+#serial 18
## ----------##
## Defaults. ##
@@ -279,8 +121,14 @@ AC_DEFUN([DX_FEATURE_ps], ON)
# DX_ENV_APPEND(VARIABLE, VALUE)
# ------------------------------
-# Append VARIABLE="VALUE" to DX_ENV for invoking doxygen.
-AC_DEFUN([DX_ENV_APPEND], [AC_SUBST([DX_ENV], ["$DX_ENV $1='$2'"])])
+# Append VARIABLE="VALUE" to DX_ENV for invoking doxygen and add it
+# as a substitution (but not a Makefile variable). The substitution
+# is skipped if the variable name is VERSION.
+AC_DEFUN([DX_ENV_APPEND],
+[AC_SUBST([DX_ENV], ["$DX_ENV $1='$2'"])dnl
+m4_if([$1], [VERSION], [], [AC_SUBST([$1], [$2])dnl
+AM_SUBST_NOTMAKE([$1])])dnl
+])
# DX_DIRNAME_EXPR
# ---------------
@@ -365,7 +213,6 @@ if DX_TEST_FEATURE([$1]); then
$5
:
fi
-AM_CONDITIONAL(DX_COND_$1, DX_TEST_FEATURE([$1]))
if DX_TEST_FEATURE([$1]); then
$6
:
@@ -393,21 +240,34 @@ AC_DEFUN([DX_XML_FEATURE], [AC_DEFUN([DX_FEATURE_xml], [$1])])
AC_DEFUN([DX_PDF_FEATURE], [AC_DEFUN([DX_FEATURE_pdf], [$1])])
AC_DEFUN([DX_PS_FEATURE], [AC_DEFUN([DX_FEATURE_ps], [$1])])
-# DX_INIT_DOXYGEN(PROJECT, [CONFIG-FILE], [OUTPUT-DOC-DIR])
-# ---------------------------------------------------------
+# DX_INIT_DOXYGEN(PROJECT, [CONFIG-FILE], [OUTPUT-DOC-DIR], ...)
+# --------------------------------------------------------------
# PROJECT also serves as the base name for the documentation files.
-# The default CONFIG-FILE is "Doxyfile" and OUTPUT-DOC-DIR is "doxygen-doc".
+# The default CONFIG-FILE is "$(srcdir)/Doxyfile" and OUTPUT-DOC-DIR is
+# "doxygen-doc".
+# More arguments are interpreted as interleaved CONFIG-FILE and
+# OUTPUT-DOC-DIR values.
AC_DEFUN([DX_INIT_DOXYGEN], [
# Files:
AC_SUBST([DX_PROJECT], [$1])
-AC_SUBST([DX_CONFIG], [ifelse([$2], [], Doxyfile, [$2])])
-AC_SUBST([DX_DOCDIR], [ifelse([$3], [], doxygen-doc, [$3])])
+AC_SUBST([DX_CONFIG], ['ifelse([$2], [], [$(srcdir)/Doxyfile], [$2])'])
+AC_SUBST([DX_DOCDIR], ['ifelse([$3], [], [doxygen-doc], [$3])'])
+m4_if(m4_eval(3 < m4_count($@)), 1, [m4_for([DX_i], 4, m4_count($@), 2,
+ [AC_SUBST([DX_CONFIG]m4_eval(DX_i[/2]),
+ 'm4_default_nblank_quoted(m4_argn(DX_i, $@),
+ [$(srcdir)/Doxyfile])')])])dnl
+m4_if(m4_eval(3 < m4_count($@)), 1, [m4_for([DX_i], 5, m4_count($@,), 2,
+ [AC_SUBST([DX_DOCDIR]m4_eval([(]DX_i[-1)/2]),
+ 'm4_default_nblank_quoted(m4_argn(DX_i, $@),
+ [doxygen-doc])')])])dnl
+m4_define([DX_loop], m4_dquote(m4_if(m4_eval(3 < m4_count($@)), 1,
+ [m4_for([DX_i], 4, m4_count($@), 2, [, m4_eval(DX_i[/2])])],
+ [])))dnl
# Environment variables used inside doxygen.cfg:
DX_ENV_APPEND(SRCDIR, $srcdir)
DX_ENV_APPEND(PROJECT, $DX_PROJECT)
-DX_ENV_APPEND(DOCDIR, $DX_DOCDIR)
DX_ENV_APPEND(VERSION, $PACKAGE_VERSION)
# Doxygen itself:
@@ -495,7 +355,6 @@ DX_ARG_ABLE(pdf, [generate doxygen PDF documentation],
DX_REQUIRE_PROG([DX_EGREP], egrep)])
# LaTeX generation for PS and/or PDF:
-AM_CONDITIONAL(DX_COND_latex, DX_TEST_FEATURE(ps) || DX_TEST_FEATURE(pdf))
if DX_TEST_FEATURE(ps) || DX_TEST_FEATURE(pdf); then
DX_ENV_APPEND(GENERATE_LATEX, YES)
else
@@ -518,6 +377,221 @@ a4wide|a4|letter|legal|executive)
;;
esac
+# Rules:
+if test $DX_FLAG_html -eq 1; then
+ DX_SNIPPET_html="## ------------------------------- ##
+## Rules specific for HTML output. ##
+## ------------------------------- ##
+
+DX_CLEAN_HTML = \$(DX_DOCDIR)/html[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/html]])
+
+"
+else
+ DX_SNIPPET_html=""
+fi
+if test $DX_FLAG_chi -eq 1; then
+ DX_SNIPPET_chi="
+DX_CLEAN_CHI = \$(DX_DOCDIR)/\$(PACKAGE).chi[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).chi]])"
+else
+ DX_SNIPPET_chi=""
+fi
+if test $DX_FLAG_chm -eq 1; then
+ DX_SNIPPET_chm="## ------------------------------ ##
+## Rules specific for CHM output. ##
+## ------------------------------ ##
+
+DX_CLEAN_CHM = \$(DX_DOCDIR)/chm[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/chm]])\
+${DX_SNIPPET_chi}
+
+"
+else
+ DX_SNIPPET_chm=""
+fi
+if test $DX_FLAG_man -eq 1; then
+ DX_SNIPPET_man="## ------------------------------ ##
+## Rules specific for MAN output. ##
+## ------------------------------ ##
+
+DX_CLEAN_MAN = \$(DX_DOCDIR)/man[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/man]])
+
+"
+else
+ DX_SNIPPET_man=""
+fi
+if test $DX_FLAG_rtf -eq 1; then
+ DX_SNIPPET_rtf="## ------------------------------ ##
+## Rules specific for RTF output. ##
+## ------------------------------ ##
+
+DX_CLEAN_RTF = \$(DX_DOCDIR)/rtf[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/rtf]])
+
+"
+else
+ DX_SNIPPET_rtf=""
+fi
+if test $DX_FLAG_xml -eq 1; then
+ DX_SNIPPET_xml="## ------------------------------ ##
+## Rules specific for XML output. ##
+## ------------------------------ ##
+
+DX_CLEAN_XML = \$(DX_DOCDIR)/xml[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/xml]])
+
+"
+else
+ DX_SNIPPET_xml=""
+fi
+if test $DX_FLAG_ps -eq 1; then
+ DX_SNIPPET_ps="## ----------------------------- ##
+## Rules specific for PS output. ##
+## ----------------------------- ##
+
+DX_CLEAN_PS = \$(DX_DOCDIR)/\$(PACKAGE).ps[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).ps]])
+
+DX_PS_GOAL = doxygen-ps
+
+doxygen-ps: \$(DX_CLEAN_PS)
+
+m4_foreach([DX_i], [DX_loop],
+[[\$(DX_DOCDIR]DX_i[)/\$(PACKAGE).ps: \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag
+ \$(DX_V_LATEX)cd \$(DX_DOCDIR]DX_i[)/latex; \\
+ rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \\
+ \$(DX_LATEX) refman.tex; \\
+ \$(DX_MAKEINDEX) refman.idx; \\
+ \$(DX_LATEX) refman.tex; \\
+ countdown=5; \\
+ while \$(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \\
+ refman.log > /dev/null 2>&1 \\
+ && test \$\$countdown -gt 0; do \\
+ \$(DX_LATEX) refman.tex; \\
+ countdown=\`expr \$\$countdown - 1\`; \\
+ done; \\
+ \$(DX_DVIPS) -o ../\$(PACKAGE).ps refman.dvi
+
+]])dnl
+"
+else
+ DX_SNIPPET_ps=""
+fi
+if test $DX_FLAG_pdf -eq 1; then
+ DX_SNIPPET_pdf="## ------------------------------ ##
+## Rules specific for PDF output. ##
+## ------------------------------ ##
+
+DX_CLEAN_PDF = \$(DX_DOCDIR)/\$(PACKAGE).pdf[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).pdf]])
+
+DX_PDF_GOAL = doxygen-pdf
+
+doxygen-pdf: \$(DX_CLEAN_PDF)
+
+m4_foreach([DX_i], [DX_loop],
+[[\$(DX_DOCDIR]DX_i[)/\$(PACKAGE).pdf: \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag
+ \$(DX_V_LATEX)cd \$(DX_DOCDIR]DX_i[)/latex; \\
+ rm -f *.aux *.toc *.idx *.ind *.ilg *.log *.out; \\
+ \$(DX_PDFLATEX) refman.tex; \\
+ \$(DX_MAKEINDEX) refman.idx; \\
+ \$(DX_PDFLATEX) refman.tex; \\
+ countdown=5; \\
+ while \$(DX_EGREP) 'Rerun (LaTeX|to get cross-references right)' \\
+ refman.log > /dev/null 2>&1 \\
+ && test \$\$countdown -gt 0; do \\
+ \$(DX_PDFLATEX) refman.tex; \\
+ countdown=\`expr \$\$countdown - 1\`; \\
+ done; \\
+ mv refman.pdf ../\$(PACKAGE).pdf
+
+]])dnl
+"
+else
+ DX_SNIPPET_pdf=""
+fi
+if test $DX_FLAG_ps -eq 1 -o $DX_FLAG_pdf -eq 1; then
+ DX_SNIPPET_latex="## ------------------------------------------------- ##
+## Rules specific for LaTeX (shared for PS and PDF). ##
+## ------------------------------------------------- ##
+
+DX_V_LATEX = \$(_DX_v_LATEX_\$(V))
+_DX_v_LATEX_ = \$(_DX_v_LATEX_\$(AM_DEFAULT_VERBOSITY))
+_DX_v_LATEX_0 = @echo \" LATEX \" \$[]][[]@;
+
+DX_CLEAN_LATEX = \$(DX_DOCDIR)/latex[]dnl
+m4_foreach([DX_i], [m4_shift(DX_loop)], [[\\
+ \$(DX_DOCDIR]DX_i[)/latex]])
+
+"
+else
+ DX_SNIPPET_latex=""
+fi
+
+if test $DX_FLAG_doc -eq 1; then
+ DX_SNIPPET_doc="## --------------------------------- ##
+## Format-independent Doxygen rules. ##
+## --------------------------------- ##
+
+${DX_SNIPPET_html}\
+${DX_SNIPPET_chm}\
+${DX_SNIPPET_man}\
+${DX_SNIPPET_rtf}\
+${DX_SNIPPET_xml}\
+${DX_SNIPPET_ps}\
+${DX_SNIPPET_pdf}\
+${DX_SNIPPET_latex}\
+DX_V_DXGEN = \$(_DX_v_DXGEN_\$(V))
+_DX_v_DXGEN_ = \$(_DX_v_DXGEN_\$(AM_DEFAULT_VERBOSITY))
+_DX_v_DXGEN_0 = @echo \" DXGEN \" \$<;
+
+.PHONY: doxygen-run doxygen-doc \$(DX_PS_GOAL) \$(DX_PDF_GOAL)
+
+.INTERMEDIATE: doxygen-run \$(DX_PS_GOAL) \$(DX_PDF_GOAL)
+
+doxygen-run:[]m4_foreach([DX_i], [DX_loop],
+ [[ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag]])
+
+doxygen-doc: doxygen-run \$(DX_PS_GOAL) \$(DX_PDF_GOAL)
+
+m4_foreach([DX_i], [DX_loop],
+[[\$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag: \$(DX_CONFIG]DX_i[) \$(pkginclude_HEADERS)
+ \$(A""M_V_at)rm -rf \$(DX_DOCDIR]DX_i[)
+ \$(DX_V_DXGEN)\$(DX_ENV) DOCDIR=\$(DX_DOCDIR]DX_i[) \$(DX_DOXYGEN) \$(DX_CONFIG]DX_i[)
+ \$(A""M_V_at)echo Timestamp >\$][@
+
+]])dnl
+DX_CLEANFILES = \\
+m4_foreach([DX_i], [DX_loop],
+[[ \$(DX_DOCDIR]DX_i[)/\$(PACKAGE).tag \\
+]])dnl
+ -r \\
+ \$(DX_CLEAN_HTML) \\
+ \$(DX_CLEAN_CHM) \\
+ \$(DX_CLEAN_CHI) \\
+ \$(DX_CLEAN_MAN) \\
+ \$(DX_CLEAN_RTF) \\
+ \$(DX_CLEAN_XML) \\
+ \$(DX_CLEAN_PS) \\
+ \$(DX_CLEAN_PDF) \\
+ \$(DX_CLEAN_LATEX)"
+else
+ DX_SNIPPET_doc=""
+fi
+AC_SUBST([DX_RULES],
+["${DX_SNIPPET_doc}"])dnl
+AM_SUBST_NOTMAKE([DX_RULES])
+
#For debugging:
#echo DX_FLAG_doc=$DX_FLAG_doc
#echo DX_FLAG_dot=$DX_FLAG_dot