cmake: directly define project version (#1199)

Co-authored-by: Peter Dimov <[email protected]>

CMakeLists.txt

@@ -5,7 +5,7 @@
 
 cmake_minimum_required(VERSION 3.5...3.16)
 
-project(boost_math VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
+project(boost_math VERSION 1.87.0 LANGUAGES CXX)
 
 add_library(boost_math INTERFACE)
 

test/CMakeLists.txt

@@ -6,6 +6,8 @@ include(BoostTestJamfile OPTIONAL RESULT_VARIABLE HAVE_BOOST_TEST)
 
 if(HAVE_BOOST_TEST)
 
+    boost_test(SOURCES check_cmake_version.cpp ARGUMENTS ${PROJECT_VERSION} LINK_LIBRARIES Boost::core Boost::config)    
+
     if (BOOST_MATH_ENABLE_CUDA)
 
         message(STATUS "Building boost.math with CUDA")

test/check_cmake_version.cpp

@@ -0,0 +1,27 @@
+// Check whether the version in CMakeLists.txt is up to date
+//
+// Copyright 2018 Peter Dimov
+//
+// Distributed under the Boost Software License, Version 1.0.
+//
+// See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/core/lightweight_test.hpp>
+#include <boost/version.hpp>
+#include <cstdio>
+
+int main( int ac, char const* av[] )
+{
+    BOOST_TEST_EQ( ac, 2 );
+
+    if( ac >= 2 )
+    {
+        char version[ 64 ];
+        std::sprintf( version, "%d.%d.%d", BOOST_VERSION / 100000, BOOST_VERSION / 100 % 1000, BOOST_VERSION % 100 );
+
+        BOOST_TEST_CSTR_EQ( av[1], version );
+    }
+
+    return boost::report_errors();
+}