From 25cca256e03d215bf1dd54fb4b8bad7f48f4036e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marc=20W=C3=A4ckerlin?= <marc@mrw.sh>
Date: Wed, 7 Sep 2016 20:35:57 +0000
Subject: [PATCH] allow plantuml with doxygen < 1.8.11

---
 scripts/ax_init_standard_project.m4 | 27 +++++++++++++++------------
 scripts/bootstrap.sh                | 19 +++++++++----------
 2 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/scripts/ax_init_standard_project.m4 b/scripts/ax_init_standard_project.m4
index f72bd88..4755401 100644
--- a/scripts/ax_init_standard_project.m4
+++ b/scripts/ax_init_standard_project.m4
@@ -543,20 +543,12 @@ AC_DEFUN([AX_USE_SCRIPTS], [
   AC_CONFIG_FILES([scripts/makefile])
 ])
 
-# use this in configure.ac to support PlantUML in Doxygen generation
-AC_DEFUN([AX_USE_PLANTUML], [
-  if test -f "${srcdir}/doc/plantuml.jar"; then
-    PLANTUML="doc/plantuml.jar"
-    AX_SUBST(PLANTUML)
-  fi
-  AM_CONDITIONAL(HAVE_PLANTUML, test -n "$PLANTUML")
-])
-
 # use this in configure.ac to support Doxygen documentation generation
 AC_DEFUN([AX_USE_DOXYGEN], [
   AC_CHECK_PROG(have_doxygen, doxygen, yes, no)
   AC_CHECK_PROG(have_dot, dot, yes, no)
   AC_CHECK_PROG(have_mscgen, mscgen, yes, no)
+  AM_CONDITIONAL(NEED_PLANTUML, test "$have_doxygen" = "yes" -a "1.8.11" != $((echo "1.8.11"; doxygen -v) | sort -V | head -1))
   PDF_DOC=${PACKAGE_NAME}-${PACKAGE_VERSION}.pdf
   AC_SUBST(PDF_DOC)
   if test "$have_doxygen" = "no"; then
@@ -581,14 +573,25 @@ AC_DEFUN([AX_USE_DOXYGEN], [
   AX_ADD_MAKEFILE_TARGET_DEP([.PHONY], [pdf gen-uml-images], [doc/makefile.in])
   test -f doc/makefile.in && cat >> doc/makefile.in <<EOF
 #### Begin: Appended by $0
-doc: doxyfile
+doc: doxyfile @NEED_PLANTUML_TRUE@ den-uml-images
 	doxygen doxyfile
 @PEDANTIC_TRUE@	test \! -s doxygen.errors
 
+@NEED_PLANTUML_TRUE@EXTRA_DIST = ${EXTRA_DIST} plantuml.jar
+@NEED_PLANTUML_TRUE@
+@NEED_PLANTUML_TRUE@gen-uml-images:
+@NEED_PLANTUML_TRUE@	test -d gen-uml-images || mkdir gen-uml-images
+@NEED_PLANTUML_TRUE@	eval \$\$(sed -n 's, *INPUT *\\(+\\?\\)= *\\(.*\\),INPUT\\1=" \\2",gp' doxyfile); \\
+@NEED_PLANTUML_TRUE@	eval \$\$(sed -n 's, *FILE_PATTERNS *\\(+\\?\\)= *\\(.*\\),FILE_PATTERNS\\1=" \\2",gp' doxyfile); \\
+@NEED_PLANTUML_TRUE@	SOURCES="**.("\$\$(echo \$\${FILE_PATTERNS} | sed 's,*.,,g;s, ,|,g')")"; \\
+@NEED_PLANTUML_TRUE@	for src in \$\$INPUT; do \\
+@NEED_PLANTUML_TRUE@	  java  -Djava.awt.headless=true -jar \${top_srcdir}/doc/plantuml.jar -v -o \$\$(pwd)/gen-uml-images "\$\$src/\$\$SOURCES"; \\
+@NEED_PLANTUML_TRUE@	done
+
 clean-documentation:
-	-rm doxygen.errors @PDF_DOC@
+	-rm doxygen.errors @PDF_DOC@ @NEED_PLANTUML_TRUE@ gen-uml-images
 distclean-documentation:
-	-rm -r html gen-uml-images
+	-rm -r html
 	-rm  @PACKAGE_NAME@.doxytag
 maintainer-clean-documentation:
 	-rm makefile.in
diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index 3a316e2..85ee545 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -154,7 +154,7 @@ GENERATED FILES
     * doc/header.html.in - if you enabled AX_USE_DOXYGEN
     * doc/footer.html.in - if you enabled AX_USE_DOXYGEN
     * doc/style.css - if you enabled AX_USE_DOXYGEN
-    * doc/plantuml.jar - if you enable AX_USE_PLANTUML
+    * doc/plantuml.jar - if you enable AX_USE_DOXYGEN
     * test/makefile.am - if you enabled AX_USE_CPPUNIT and AX_USE_CXX
     * test/${DEFAULT_PROJECT_NAME#lib}.cxx - if you enabled AX_BUILD_TEST or AX_USE_CPPUNIT
     * examples/makefile.am - if you enabled AX_BUILD_EXAMPLES
@@ -243,11 +243,6 @@ FILES
       * Enable LibTool library creation: AX_USE_LIBTOOL
       * Enable Scripts: AX_USE_SCRIPTS
       * Enable Doxygen documentation generation: AX_USE_DOXYGEN
-      * Enable PlantUML for Doxygen: AX_USE_PLANTUML
-          Example, add in doxygen documentation:
-                @startuml{overview.png}
-                Alice -> Bob: test
-                @enduml
       * Enable Debian packaging by calling "make deb": AX_USE_DEBIAN_PACKAGING
       * Enable RPM packaging by calling "make rpm": AX_USE_RPM_PACKAGING
       * Enable C++ testing using CppUnit: AX_USE_CPPUNIT
@@ -555,7 +550,6 @@ AX_INIT_STANDARD_PROJECT
 #AX_USE_LIBTOOL
 #AX_USE_SCRIPTS
 #AX_USE_DOXYGEN
-#AX_USE_PLANTUML
 #AX_USE_DEBIAN_PACKAGING
 #AX_USE_RPM_PACKAGING
 #AX_USE_CPPUNIT
@@ -975,7 +969,7 @@ to --condition AX_USE_DOXYGEN doc/style.css <<EOF
   margin: 0;
 }
 EOF
-if testtag AX_USE_PLANTUML; then
+if testtag AX_USE_DOXYGEN; then
     copy doc/plantuml.jar
 fi
 if testtag AX_USE_DOXYGEN; then
@@ -1007,8 +1001,13 @@ if testtag AX_USE_DOXYGEN; then
         doxyadd ALIASES '"description=@DESCRIPTION@"'
         doxyadd ALIASES '"readme=@README_HTML@"'
         doxyadd ALIASES '"author=<a href="@AUTHOR_URL@" target="_blank">@AUTHOR_NAME@</a>"'
-        if testtag AX_USE_PLANTUML; then
-            doxyreplace PLANTUML_JAR_PATH '"@top_srcdir@/@PLANTUML@"'
+        # hack plantuml for doxygen < 1.8.11
+        if test "1.8.11" = $((echo "1.8.11"; doxygen -v) | sort -V | head -1); then
+            doxyreplace PLANTUML_JAR_PATH '"@top_srcdir@/doc/plantuml.jar"'
+        else
+            doxyadd ALIASES '"startuml{1}=@image html \\1\\n@image latex \\1\\n\\if DontIgnorePlantUMLCode"'
+            doxyadd ALIASES '"enduml=\\endif"'
+            doxyadd IMAGE_PATH '"gen-uml-images"'
         fi
         doxyreplace ENABLE_PREPROCESSING YES
         doxyreplace MACRO_EXPANSION YES