[gnote] Add check for UnitTest++

[Aurimas Černius <aurimasc src gnome org>]

commit b6f7677407a020f1ed3470a927fb314586936d52
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sun Jan 22 14:16:31 2017 +0200

    Add check for UnitTest++

 configure.ac |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index c0bd431..946f4d1 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,7 @@ LIBGTKMM_VERSION=3.18
 GTKSPELL_VERSION=3.0.0
 BOOST_VERSION=1.34
 LIBSECRET_VERSION=0.8
+UNITTESTCPP_VERSION=1.5.1
 
 AC_PROG_CXX
 AC_GNU_SOURCE
@@ -86,6 +87,12 @@ AM_CONDITIONAL(FIXED_GTKSPELL, test "$FIXED_GTKSPELL" = "yes")
 
 PKG_CHECK_MODULES(LIBSECRET, [libsecret-1 >= $LIBSECRET_VERSION])
 
+PKG_CHECK_MODULES(UNITTESTCPP, [UnitTest++ >= $UNITTESTCPP_VERSION],
+                              [HAVE_UNITTESTCPP="yes";AC_DEFINE([HAVE_UNITTESTCPP], [1], [Set if UnitTest++ 
library is available.])],
+                              HAVE_UNITTESTCPP="no")
+AC_SUBST(UNITTESTCPP_CFLAGS)
+AC_SUBST(UNITTESTCPP_LIBS)
+AM_CONDITIONAL(HAVE_UNITTESTCPP, test "$HAVE_UNITTESTCPP" = "yes")
 
 
 BOOST_REQUIRE([$BOOST_VERSION])
@@ -205,5 +212,6 @@ echo "
 Options:
 
   Spellchecking support:       ${FIXED_GTKSPELL}
+  Unit test support:           ${HAVE_UNITTESTCPP}
 
 "