Enforce synchronization of version in spec and VERSION.cmake

It enforces synchronization of version of rpm with version available
to cmake to prevents issue when package with version 0.50.0 fails
to build packages that requires pkgconfig(libdnf) >= 0.50.0.

Author: j-mracek

VERSION.cmake

@@ -1,4 +1,22 @@
-set (LIBDNF_MAJOR_VERSION 0)
-set (LIBDNF_MINOR_VERSION 43)
-set (LIBDNF_MICRO_VERSION 1)
+set (DEFAULT_LIBDNF_MAJOR_VERSION 0)
+set (DEFAULT_LIBDNF_MINOR_VERSION 43)
+set (DEFAULT_LIBDNF_MICRO_VERSION 1)
+
+if(DEFINED LIBDNF_MAJOR_VERSION AND NOT ${DEFAULT_LIBDNF_MAJOR_VERSION} STREQUAL ${LIBDNF_MAJOR_VERSION})
+  message(FATAL_ERROR "Variable DEFAULT_LIBDNF_MAJOR_VERSION=" ${DEFAULT_LIBDNF_MAJOR_VERSION} " in VERSION.cmake differs from LIBDNF_MAJOR_VERSION=" ${LIBDNF_MAJOR_VERSION} " in spec")
+else()
+  set (LIBDNF_MAJOR_VERSION ${DEFAULT_LIBDNF_MAJOR_VERSION})
+endif()
+
+if(DEFINED LIBDNF_MINOR_VERSION AND NOT ${DEFAULT_LIBDNF_MINOR_VERSION} STREQUAL ${LIBDNF_MINOR_VERSION})
+  message(FATAL_ERROR "Variable DEFAULT_LIBDNF_MINOR_VERSION=" ${DEFAULT_LIBDNF_MINOR_VERSION} " in VERSION.cmake differs from LIBDNF_MINOR_VERSION=" ${LIBDNF_MINOR_VERSION} " in spec")
+else()
+  set (LIBDNF_MINOR_VERSION ${DEFAULT_LIBDNF_MINOR_VERSION})
+endif()
+
+if(DEFINED LIBDNF_MICRO_VERSION AND NOT ${DEFAULT_LIBDNF_MICRO_VERSION} STREQUAL ${LIBDNF_MICRO_VERSION})
+  message(FATAL_ERROR "Variable DEFAULT_LIBDNF_MICRO_VERSION=" ${DEFAULT_LIBDNF_MICRO_VERSION} " in VERSION.cmake differs from LIBDNF_MICRO_VERSION=" ${LIBDNF_MICRO_VERSION} " in spec")
+else()
+  set (LIBDNF_MICRO_VERSION ${DEFAULT_LIBDNF_MICRO_VERSION})
+endif()
 set (LIBDNF_VERSION ${LIBDNF_MAJOR_VERSION}.${LIBDNF_MINOR_VERSION}.${LIBDNF_MICRO_VERSION})

libdnf.spec

@@ -3,6 +3,9 @@
 %global librepo_version 1.11.0
 %global dnf_conflict 4.2.13
 %global swig_version 3.0.12
+%global libdnf_major_version 0
+%global libdnf_minor_version 43
+%global libdnf_micro_version 1
 
 # set sphinx package name according to distro
 %global requires_python2_sphinx python2-sphinx
@@ -48,7 +51,7 @@
     %{nil}
 
 Name:           libdnf
-Version:        0.43.1
+Version:        %{libdnf_major_version}.%{libdnf_minor_version}.%{libdnf_micro_version}
 Release:        1%{?dist}
 Summary:        Library providing simplified C and Python API to libsolv
 License:        LGPLv2+