* automatically generate dependency list from dune.module file

* new function DUNE_AC_INIT which should be used instead of AC_INIT

[[Imported from SVN: r5051]]

m4/dune.m4

@@ -221,6 +221,8 @@ AC_DEFUN([DUNE_CHECK_MODULES],[
 ])
 
 AC_DEFUN([DUNE_CHECK_DISPATCH],[
+  m4_syscmd(test -n "$1" \
+    && echo "   dune.m4: adding dependency check for $1" > /dev/stderr)
   ifelse([$1], [], [],
          [$1], [dune-common],[
           #DUNE_CHECK_MODULES(module_name, test_header, test_symbol)
@@ -242,10 +244,14 @@ AC_DEFUN([DUNE_CHECK_DISPATCH],[
          [AC_MSG_ERROR([Unknown module $1])])
 ])
 
-AC_DEFUN([DUNE_MODULE_DEPENDENCIES],[
-  ifelse($#, 0, , $#, 1, [DUNE_CHECK_DISPATCH($1)], [DUNE_CHECK_DISPATCH($1) DUNE_MODULE_DEPENDENCIES(m4_shift($@))])
+AC_DEFUN([_DUNE_MODULE_DEPENDENCIES],[
+  ifelse($#, 0, , $#, 1, [DUNE_CHECK_DISPATCH($1)], [DUNE_CHECK_DISPATCH($1) _DUNE_MODULE_DEPENDENCIES(m4_shift($@))])
 ])
 
+AC_DEFUN([DUNE_MODULE_DEPENDENCIES],[
+   m4_syscmd(echo "   dune.m4: getting dependencies for $@" > /dev/stderr)
+   _DUNE_MODULE_DEPENDENCIES(m4_esyscmd(dunecontrol --only=$@ m4depends))])
+
 AC_DEFUN([DUNE_DEV_MODE],[
   AC_ARG_ENABLE(dunedevel,
     AC_HELP_STRING([--enable-dunedevel],[activate Dune-Developer-mode]))

m4/dune_all.m4

@@ -16,6 +16,24 @@
 #    In addition to DUNE_CHECK_ALL it run some additional tests
 #    and sets up some things needed for modules (i.e. the 'dune' symlink)
 
+m4_define([DUNE_PARSE_MODULE_FILE],[
+  m4_define([DUNE_MOD_VERSION], 
+    [m4_esyscmd([grep ^Version: dune.module | tr '\n' ' ' | sed -e 's/^.*://' -e 's/\s*//'])])
+  m4_define([DUNE_MOD_NAME], 
+    [m4_esyscmd([grep ^Module: dune.module | tr '\n' ' ' | sed -e 's/^.*://' -e 's/\s*//'])])
+])
+
+m4_define([DUNE_AC_INIT],[
+PARSE_MODULE_FILE
+AC_INIT(DUNE_MOD_NAME, DUNE_MOD_VERSION, dune@dune-project.org)
+])
+
+AC_DEFUN([DUNE_CHECK_DEPENDENCIES], [
+  AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+  DUNE_PARSE_MODULE_FILE
+  DUNE_MODULE_DEPENDENCIES(DUNE_MOD_NAME)
+])
+
 AC_DEFUN([DUNE_CHECK_ALL],[
   AC_LANG_PUSH([C++])
 dnl check for programs
@@ -91,7 +109,8 @@ fi
 AC_SUBST(DUNEWEBDIR, $with_duneweb)
 
   dnl check all components
-  DUNE_MODULE_DEPENDENCIES($@)
+  AC_REQUIRE([PKG_PROG_PKG_CONFIG])
+  AC_REQUIRE([DUNE_CHECK_DEPENDENCIES])
   AC_REQUIRE([DUNE_SET_MINIMAL_DEBUG_LEVEL])
   AC_REQUIRE([DUNE_PATH_XDR])
   AC_REQUIRE([DUNE_GRID_DIMENSION])
@@ -192,7 +211,6 @@ AC_DEFUN([DUNE_CHECK_ALL_M],[
   if test "x$with_revision" = "xno" ; then with_revision=bar; fi
   AC_SUBST(revision, $with_revision)
 
-  DUNE_MODULE_DEPENDENCIES($@)
   AC_REQUIRE([DUNE_CHECK_ALL])
   AC_REQUIRE([DUNE_DEV_MODE])
   AC_REQUIRE([DUNE_PKG_CONFIG_REQUIRES])