Added files for pkg-config

tools/share/CMakeLists.txt

+add_subdirectory (pkgconfig)
+
 INSTALL( FILES tnl-matrix-convert.cfg.desc               
                tnlcurve2gnuplot.cfg.desc               
-         DESTINATION share/tnl-${tnlVersion} )
+         DESTINATION share/tnl-${tnlVersion} )
\ No newline at end of file

tools/share/pkgconfig/CMakeLists.txt

+CONFIGURE_FILE( "tnl.pc.in" "${PROJECT_TOOLS_PATH}/share/pkgconfig/tnl.pc" @ONLY )
+INSTALL( FILES ${PROJECT_TOOLS_PATH}/share/pkgconfig/tnl.pc
+         DESTINATION share/pkgconfig )
+
+if( CUDA_FOUND )
+    CONFIGURE_FILE( "cuda.pc.in" "${PROJECT_TOOLS_PATH}/share/pkgconfig/cuda.pc" @ONLY )
+    CONFIGURE_FILE( "tnl-cuda.pc.in" "${PROJECT_TOOLS_PATH}/share/pkgconfig/tnl-cuda.pc" @ONLY )
+    INSTALL( FILES ${PROJECT_TOOLS_PATH}/share/pkgconfig/cuda.pc
+                   ${PROJECT_TOOLS_PATH}/share/pkgconfig/tnl-cuda.pc
+             DESTINATION share/pkgconfig )
+endif()
+
+if( OPENMP_FOUND )
+    CONFIGURE_FILE( "tnl-openmp.pc.in" "${PROJECT_TOOLS_PATH}/share/pkgconfig/tnl-openmp.pc" @ONLY )
+    INSTALL( FILES ${PROJECT_TOOLS_PATH}/share/pkgconfig/tnl-openmp.pc
+             DESTINATION share/pkgconfig )
+endif()

tools/share/pkgconfig/cuda.pc.in

+prefix=@CUDA_TOOLKIT_ROOT_DIR@
+libdir=${prefix}/lib
+includedir=${prefix}/include
+version=@CUDA_VERSION_STRING@
+
+Name: CUDA
+Description: A parallel programming framework by Nvidia
+URL: https://www.nvidia.com/object/cuda_home_new.html
+Version: ${version}
+Libs:
+Cflags: -I${includedir}

tools/share/pkgconfig/tnl-cuda.pc.in

+version=@tnlVersion@
+
+Name: TNL (with CUDA support)
+Description: Template Numerical Library (with CUDA support)
+URL:
+Version: ${version}
+Libs:
+Cflags: -DHAVE_CUDA -DHAVE_NOT_CXX11
+Requires: cuda, tnl = ${version}

tools/share/pkgconfig/tnl-openmp.pc.in

+version=@tnlVersion@
+
+Name: TNL (with OpenMP support)
+Description: Template Numerical Library (with OpenMP support)
+URL:
+Version: ${version}
+Libs: -lgomp
+Cflags: -DHAVE_OPENMP -fopenmp
+Requires: tnl = ${version}

tools/share/pkgconfig/tnl.pc.in

+prefix=@CMAKE_INSTALL_PREFIX@
+libdir=${prefix}/lib
+includedir=${prefix}/include
+version=@tnlVersion@
+
+Name: TNL
+Description: Template Numerical Library
+URL:
+Version: ${version}
+Libs: -L${libdir} -ltnl-${version}
+Cflags: -I${includedir}/tnl-${version}