[gnome-code-assistance] More specific ruby failure message

[Jesse van den Kieboom <jessevdk src gnome org>]

commit b457fbab4347f8677b8523dc3bd356da19c9ae24
Author: Jesse van den Kieboom <jessevdk gmail com>
Date:   Sat Jan 10 13:47:13 2015 +0100

    More specific ruby failure message

 configure.ac |   11 +++++++----
 1 files changed, 7 insertions(+), 4 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 224e74b..866c5d5 100644
--- a/configure.ac
+++ b/configure.ac
@@ -171,12 +171,15 @@ dnl ruby support
 dnl ================================================================
 AC_PATH_PROGS([RUBY],[ruby2.0 ruby1.9.3 ruby1.9.2 ruby1.9.1 ruby])
 
+RUBY_MSG="requires ruby 2.0"
+
 if test "x$RUBY" != "x"; then
        AC_MSG_CHECKING([ruby dbus])
        $RUBY -rdbus -e '' 2>/dev/null
        if test $? -ne 0 ; then
                AC_MSG_RESULT([no])
                RUBY=
+               RUBY_MSG="requires ruby dbus"
        else
                AC_MSG_RESULT([yes])
        fi
@@ -210,7 +213,7 @@ AC_SUBST(RUBY_BASE)
 
 if test "x$enable_ruby" = "xauto"; then
        if test "x$RUBY" = "x" || test "x$ruby_ripper" = "x"; then
-               AC_MSG_RESULT([no (requires ruby 2.0)])
+               AC_MSG_RESULT([no ($RUBY_MSG)])
                enable_ruby=no
        else
                AC_MSG_RESULT([yes])
@@ -218,7 +221,7 @@ if test "x$enable_ruby" = "xauto"; then
        fi
 elif test "x$enable_ruby" != "xno"; then
        if test "x$RUBY" = "x" || test "x$ruby_ripper" = "x"; then
-               AC_MSG_ERROR([no (requires ruby 2.0)])
+               AC_MSG_ERROR([no ($RUBY_MSG)])
        else
                AC_MSG_RESULT([yes])
                enable_ruby=yes
@@ -245,7 +248,7 @@ AC_MSG_CHECKING([css backend])
 
 if test "x$enable_css" = "xauto"; then
        if test "x$RUBY" = "x"; then
-               AC_MSG_RESULT([no (requires ruby 2.0)])
+               AC_MSG_RESULT([no ($RUBY_MSG)])
                enable_css=no
        else
                AC_MSG_RESULT([yes])
@@ -253,7 +256,7 @@ if test "x$enable_css" = "xauto"; then
        fi
 elif test "x$enable_css" != "xno"; then
        if test "x$RUBY" = "x"; then
-               AC_MSG_ERROR([no (requires ruby 2.0)])
+               AC_MSG_ERROR([no ($RUBY_MSG)])
        else
                AC_MSG_RESULT([yes])
                enable_css=yes