[cmake] Add entries to feature summary for find scripts

Adds a description and the purpose of searched packages.

cmake/modules/FindGLPK.cmake

@@ -98,3 +98,7 @@ if(GLPK_FOUND)
                               LIBRARIES "${GLPK_DUNE_LIBRARIES}"
                               INCLUDE_DIRS "${GLPK_INCLUDE_DIRS}")
 endif()
+
+# text for feature summary
+set_package_properties("GLPK" PROPERTIES
+  DESCRIPTION "GNU Linear Programming Kit")

cmake/modules/FindGstat.cmake

@@ -43,3 +43,8 @@ find_package_handle_standard_args(
 # set macros for config.h
 set(HAVE_GSTAT ${GSTAT_FOUND})
 set(GSTAT_EXECUTABLE ${GSTAT_EXECUTABLE})
+
+# text for feature summary
+set_package_properties("Gstat" PROPERTIES
+  DESCRIPTION "Geostatistic library"
+  PURPOSE "Generate random permeability and porosity fields")

cmake/modules/FindNLOPT.cmake

@@ -99,3 +99,7 @@ if(NLOPT_FOUND)
                               LIBRARIES "${NLOPT_DUNE_LIBRARIES}"
                               INCLUDE_DIRS "${NLOPT_INCLUDE_DIRS}")
 endif()
+
+# text for feature summary
+set_package_properties("NLOPT" PROPERTIES
+  DESCRIPTION "Library for nonlinear optimization")

cmake/modules/FindPVPython.cmake

@@ -43,3 +43,8 @@ find_package_handle_standard_args(
 # set macros for config.h
 set(HAVE_PVPYTHON ${PVPYTHON_FOUND})
 set(PVPYTHON_EXECUTABLE ${PVPYTHON_EXECUTABLE})
+
+# text for feature summary
+set_package_properties("PVPython" PROPERTIES
+  DESCRIPTION "ParaView python client"
+  PURPOSE "Extract data over line or time in post-processing")

cmake/modules/FindValgrind.cmake

@@ -38,3 +38,8 @@ set(HAVE_VALGRIND ${Valgrind_FOUND})
 if(Valgrind_FOUND)
   dune_register_package_flags(INCLUDE_DIRS "${VALGRIND_INCLUDE_DIR}")
 endif()
+
+# text for feature summary
+set_package_properties("Valgrind" PROPERTIES
+  DESCRIPTION "Memory debugging, memory leak detection, profiling"
+  PURPOSE "Identify undefined variables with Memcheck")