Add 'version' target for javascript.

Examples/Makefile.in

@@ -656,7 +656,40 @@ javascript_run: javascript_custom_interpreter
 
 # TODO: make node configurable and detected via ./configure
 javascript_run_node:
-	node runme.js
+	@NODEJS@ runme.js
+
+# -----------------------------------------------------------------
+# Version display
+# -----------------------------------------------------------------
+
+ifeq (, $(ENGINE))
+javascript_version:
+	@ if [ "@NODEJS@" != "" ]; then \
+		echo "Node.js: `(@NODEJS@ --version)`"; \
+	  else \
+	    echo "Version depends on the interpreter"; \
+	  fi
+endif
+
+ifeq (node, $(ENGINE))
+javascript_version:
+	@NODEJS@ --version
+endif
+
+ifeq (jsc, $(ENGINE))
+javascript_version:
+	@ if [ "@JSCOREVERSION@" != "" ]; then \
+		echo "@JSCOREVERSION@"; \
+	  else \
+	    echo "Unknown JavascriptCore version."; \
+	  fi
+endif
+
+ifeq (v8, $(ENGINE))
+javascript_version:
+	echo "Unknown v8 version."
+endif
+
 
 # -----------------------------------------------------------------
 # Cleaning the javascript examples

configure.ac

@@ -1145,6 +1145,8 @@ else
   AC_MSG_CHECKING(for include file JavaScriptCore/JavaScript.h)
   AC_ARG_WITH(jscoreinc, [  --with-jscinc=path    Set location of Javascript include directory], [JSCOREINCDIR="$withval"], [JSCOREINCDIR=])
 
+  JSCOREVERSION=
+
   if test -z "$JSCOREINCDIR"; then
     JSCOREINCDIR="/usr/include/ /usr/local/include/"
 
@@ -1187,18 +1189,7 @@ else
         if test -r $i/libjavascriptcoregtk-1.0.so; then
           AC_MSG_RESULT($i)
           JSCORELIB="-L$i -ljavascriptcoregtk-1.0"
-          break
+          JSCOREVERSION=`pkg-config --modversion javascriptcoregtk-1.0`
-        fi
-
-        if test -r $i/libwebkitgtk-1.0.so; then
-          AC_MSG_RESULT($i)
-          JSCORELIB="-L$i -lwebkitgtk-1.0"
-          break
-        fi
-
-        if test -r $i/libwebkit-1.0.la; then
-          AC_MSG_RESULT($i)
-          JSCORELIB="-L$i -lwebkit-1.0"
           break
         fi
       done
@@ -1306,12 +1297,15 @@ AC_SUBST(JSINTERPRETERLINKFLAGS)
 
 AC_SUBST(JSCOREINC)
 AC_SUBST(JSCOREDYNAMICLINKING)
+AC_SUBST(JSCOREVERSION)
 AC_SUBST(JSV8INC)
 AC_SUBST(JSV8DYNAMICLINKING)
 
 AC_SUBST(JSCENABLED)
 AC_SUBST(JSV8ENABLED)
 
+AC_SUBST(NODEJS)
+
 #----------------------------------------------------------------
 # Look for gcj
 #----------------------------------------------------------------