Fix mpi build for that great cmake macro update

mathgl.spec

@@ -19,7 +19,7 @@
 
 Name:          mathgl
 Version:       2.4.4
-Release:       6%{?dist}
+Release:       7%{?dist}
 Summary:       Cross-platform library for making high-quality scientific graphics
 Summary(de):   Plattformübergreifende Bibliothek für hochwertige wissenschaftliche Graphiken
 Summary(ru):   Библиотека для осуществления высококачественной визуализации данных
@@ -391,19 +391,17 @@ BUILD_MPI="-Denable-mpi=off \
 # Disable SMP build
 
 %define buildcommon() \
-mkdir -p %{_target_platform}_$MPI_COMPILER_NAME; \
-pushd %{_target_platform}_$MPI_COMPILER_NAME; \
 %cmake \\\
     -DMathGL_INSTALL_CMAKE_DIR=%{_libdir}/cmake/mathgl \\\
     -DMathGL_INSTALL_LIB_DIR=%{_libdir} \\\
     -Denable-all=on \\\
     $BUILD_MPI \\\
     ..; \
-popd; \
-make -C %{_target_platform}_$MPI_COMPILER_NAME
+%{cmake_build}
 
 # serial
-MPI_COMPILER_NAME=serial %building_serial
+%global _vpath_builddir %{_target_platform}_serial
+%building_serial
 
 # MPI vars
 export CC=mpicc
@@ -412,14 +410,16 @@ export CXX=mpicxx
 %if 0%{?with_openmpi}
 # OpenMPI
 %{_openmpi_load}
-MPI_COMPILER_NAME=openmpi %building
+%global _vpath_builddir %{_target_platform}_openmpi
+%building
 %{_openmpi_unload}
 %endif
 
 %if 0%{?with_mpich2}
 # MPICH2
 %{_mpich_load}
-MPI_COMPILER_NAME=mpich %building
+%global _vpath_builddir %{_target_platform}_mpich
+%building
 %{_mpich_unload}
 %endif
 
@@ -436,7 +436,8 @@ rm -f %{buildroot}%{_libdir}/$MPI_COMPILER_NAME/lib/*.a; \
 rm -r %{buildroot}%{_libdir}/$MPI_COMPILER_NAME/usr
 
 # Serial
-make install DESTDIR=%{buildroot} -C %{_target_platform}_serial INSTALL="install -p"
+%global _vpath_builddir %{_target_platform}_serial
+%{cmake_install}
 %if 0%{?with_octave}
 rm -f %{buildroot}%{_datadir}/%{name}/mathgl.tar.gz
 mkdir -p %{mgl_octarch_dir}
@@ -449,9 +450,11 @@ rm -f %{mgl_octarch_dir}/%{mgl_octarch_name}/%{octpkg}.tar.gz
 %find_lang %{name}
 %find_lang udav --with-qt
 
+# No that modern cmake_install macros for mpi install.
 %if 0%{?with_openmpi}
 # OpenMPI
 %{_openmpi_load}
+%global _vpath_builddir %{_target_platform}_openmpi
 MPI_COMPILER_NAME=openmpi %installing
 %{_openmpi_unload}
 %endif
@@ -459,13 +462,13 @@ MPI_COMPILER_NAME=openmpi %installing
 %if 0%{?with_mpich2}
 # MPICH
 %{_mpich_load}
+%global _vpath_builddir %{_target_platform}_mpich
 MPI_COMPILER_NAME=mpich %installing
 %{_mpich_unload}
 %endif
 
 #Remove symlink to .so file in python dir. Let python find libs normally
 # not needed now?
-#unlink %{buildroot}/%{python_sitelib}/_mathgl.so
 #unlink %{buildroot}/%{python3_sitelib}/_mathgl.so
 
 #Remove static libraries generated by cmake
@@ -628,6 +631,9 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/mgllab.desktop
 %endif
 
 %changelog
+* Thu Jul 30 2020 Dmitrij S. Kryzhevich <kryzhev@ispms.ru> - 2.4.4-7
+- Fix mpi build for that great cmake macro update.
+
 * Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 2.4.4-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild