Explain the user why the java bindings are not usable when they are

[simgrid.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 2a3d527..17799c4 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -423,7 +423,7 @@ else
      use_java="yes"
      AC_DEFINE(HAVE_JAVA,1, [defines whether Java bindings must be compiled or not])
   else   
-     use_java="no"
+     use_java="no (you may want to install the java-gcj-compat-dev package)"
   fi
 fi
 AC_MSG_RESULT(decide whether to compile java bindings... $use_java)
@@ -449,6 +449,36 @@ fi
 AC_MSG_RESULT(decide whether to compile lua bindings... $use_lua)
 AM_CONDITIONAL(HAVE_LUA,test "x$use_lua" = "xyes")
 
+SG_CONFIGURE_PART(Checking Ruby bindings...)
+# Ruby cruft
+AC_ARG_ENABLE(ruby,
+             AS_HELP_STRING([--disable-ruby], [To not compile the Ruby bindings even if the tools are found]),
+             disable_ruby=$enableval,disable_ruby=yes)
+if test "x$disable_ruby" != "xyes" ; then
+   use_ruby="disabled by user"
+else
+  CPPFLAGS="-I/usr/lib/ruby/1.8/i486-linux/ $CPPFLAGS"
+  AC_MSG_CHECKING(checking ruby.h usability and presence)
+  AC_COMPILE_IFELSE([
+    #undef PACKAGE_NAME
+    #undef PACKAGE_TARNAME
+    #undef PACKAGE_VERSION
+    #undef PACKAGE_STRING
+    #undef PACKAGE_BUGREPORT
+    #include <ruby.h>
+  ], use_ruby=yes,use_ruby="no (Package ruby1.8-dev missing)")
+  AC_MSG_RESULT($use_ruby)
+  if test "x$use_ruby" = "xyes" ; then
+     AC_DEFINE(HAVE_RUBY,1, [defines whether Ruby bindings must be compiled or not])
+     SIMGRID_DEP="${SIMGRID_DEP} -lruby1.8"
+  else
+     AC_MSG_RESULT(Please install the ruby1.8-dev package (on debian and similar) to get ruby bindings)
+  fi
+fi
+AC_MSG_RESULT(decide whether to compile ruby bindings... $use_ruby)
+AM_CONDITIONAL(HAVE_RUBY,test "x$use_ruby" = "xyes")
+
+
 #####################
 ## Check for programs
 ##
@@ -649,6 +679,7 @@ Configuration of package \`${PACKAGE}' (version ${VERSION}) on $gras_arch_name (
        Context backend: ${with_context}
        Compile Java:    ${use_java}
        Compile Lua:     ${use_lua}
+       Compile Ruby:    ${use_ruby}
        
        Maintainer mode: ${USE_MAINTAINER_MODE}
        Supernovae mode: ${supernovae}