[Markdown-report] normalize Makefile.in/configure.ac from template

src/plugins/markdown-report/Makefile.in

+##########################################################################
+#                                                                        #
+#  This file is part of Frama-C.                                         #
+#                                                                        #
+#  Copyright (C) 2007-2019                                               #
+#    CEA (Commissariat à l'énergie atomique et aux énergies              #
+#         alternatives)                                                  #
+#                                                                        #
+#  you can redistribute it and/or modify it under the terms of the GNU   #
+#  Lesser General Public License as published by the Free Software       #
+#  Foundation, version 2.1.                                              #
+#                                                                        #
+#  It is distributed in the hope that it will be useful,                 #
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of        #
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         #
+#  GNU Lesser General Public License for more details.                   #
+#                                                                        #
+#  See the GNU Lesser General Public License version 2.1                 #
+#  for more details (enclosed in the file licenses/LGPLv2.1).            #
+#                                                                        #
+##########################################################################
+
+# Do not use ?= to initialize both below variables
+# (fixed efficiency issue, see GNU Make manual, Section 8.11)
 ifndef FRAMAC_SHARE
-  FRAMAC_SHARE:=$(shell frama-c -print-share-path)
+FRAMAC_SHARE  :=$(shell frama-c-config -print-share-path)
+endif
+ifndef FRAMAC_LIBDIR
+FRAMAC_LIBDIR :=$(shell frama-c-config -print-libpath)
 endif
 
+PLUGIN_DIR ?=.
+PLUGIN_ENABLE:=@ENABLE_MDR@
 PLUGIN_NAME:=Markdown_report
 PLUGIN_GENERATED:=$(PLUGIN_DIR)/Markdown_report.mli
 PLUGIN_CMO:=\
   sarif mdr_params parse_remarks \
   eva_coverage md_gen sarif_gen mdr_register
+PLUGIN_DISTRIBUTED:=$(PLUGIN_ENABLE)
 PLUGIN_REQUIRES:=ppx_deriving ppx_deriving_yojson yojson
-PLUGIN_DISTRIB_EXTERNAL:=share/acsl.xml
+PLUGIN_DISTRIB_EXTERNAL:= Makefile.in configure.ac configure share/acsl.xml
 PLUGIN_TESTS_DIRS:= eva
-PLUGIN_ENABLE:=@ENABLE_MDR@
 
 include $(FRAMAC_SHARE)/Makefile.dynamic
 
@@ -25,6 +54,12 @@ $(Markdown_report_DIR)/Markdown_report.mli: \
 	cat $(Markdown_report_DIR)/md_gen.mli >> $@
 	echo "end" >> $@
 
+ifeq ("$(FRAMAC_INTERNAL)","yes")
+CONFIG_STATUS_DIR=$(FRAMAC_SRC)
+else
+CONFIG_STATUS_DIR=.
+endif
+
 ifeq ("@ENABLE_MDR@","yes")
 install::
 	$(PRINT_CP) $(FRAMAC_DATADIR)/Markdown_report

src/plugins/markdown-report/configure.ac

+##########################################################################
+#                                                                        #
+#  This file is part of Frama-C.                                         #
+#                                                                        #
+#  Copyright (C) 2007-2019                                               #
+#    CEA (Commissariat à l'énergie atomique et aux énergies              #
+#         alternatives)                                                  #
+#                                                                        #
+#  you can redistribute it and/or modify it under the terms of the GNU   #
+#  Lesser General Public License as published by the Free Software       #
+#  Foundation, version 2.1.                                              #
+#                                                                        #
+#  It is distributed in the hope that it will be useful,                 #
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of        #
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         #
+#  GNU Lesser General Public License for more details.                   #
+#                                                                        #
+#  See the GNU Lesser General Public License version 2.1                 #
+#  for more details (enclosed in the file licenses/LGPLv2.1).            #
+#                                                                        #
+##########################################################################
+
 m4_define([plugin_file],Makefile.in)
 
 m4_define([FRAMAC_SHARE_ENV],
@@ -11,7 +33,7 @@ m4_ifndef([FRAMAC_M4_MACROS],
          [m4_include(FRAMAC_SHARE/configure.ac)]
         )
 
-check_plugin(mdr,PLUGIN_RELATIVE_PATH(plugin_file),[Mardown/SARIF report plug-in],yes)
+check_plugin(mdr,PLUGIN_RELATIVE_PATH(plugin_file),[Markdown/SARIF report plug-in],yes)
 
 plugin_require_pkg(mdr,ppx_deriving)
 plugin_require_pkg(mdr,ppx_deriving_yojson)