[gtk-vnc] Add check for Perl::Text::CSV if building from GIT

[Daniel P. Berrange <dberrange src gnome org>]

commit c4a4ea8104b0b53590468f8e62ab15e9a40fcc07
Author: Fabiano FidÃncio <fabiano fidencio org>
Date:   Thu Mar 29 16:48:40 2012 +0100

    Add check for Perl::Text::CSV if building from GIT

 configure.ac |   10 ++++++++++
 1 files changed, 10 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 99891e3..0d5ae35 100644
--- a/configure.ac
+++ b/configure.ac
@@ -444,6 +444,16 @@ if test "x$enable_introspection" = "xyes" ; then
 fi
 AM_CONDITIONAL([WITH_VALA], [test "x$enable_vala" = "xyes"])
 
+if test ! -e "$srcdir/gtk/vncdisplaykeymap_osx2xtkbd.c"; then
+  AC_MSG_CHECKING([for Text::CSV Perl module])
+  perl -MText::CSV -e "" >/dev/null 2>&1
+  if test $? -ne 0 ; then
+    AC_MSG_RESULT([not found])
+    AC_MSG_ERROR([Text::CSV Perl module is required to compile this package])
+  fi
+  AC_MSG_RESULT([found])
+fi
+
 AC_CONFIG_FILES(
   Makefile
   src/Makefile