Update cmake exports to use single config file

Author: jacobmerson

CMakeLists.txt

@@ -137,3 +137,9 @@ if (WITH_PETSC)
   find_package(PkgConfig REQUIRED)
   pkg_check_modules(PETSc REQUIRED IMPORTED_TARGET GLOBAL PETSc)
 endif()
+
+configure_file(${CMAKE_CURRENT_SOURCE_DIR}/cmake/lasConfig.cmake.in
+  ${CMAKE_CURRENT_BINARY_DIR}/cmake/lasConfig.cmake @ONLY)
+
+install(FILES ${CMAKE_CURRENT_BINARY_DIR}/cmake/lasConfig.cmake
+        DESTINATION ${ConfigPackageLocation})

cmake/lasConfig.cmake.in

@@ -0,0 +1,16 @@
+include(CMakeFindDependencyMacro)
+
+
+
+if(@WITH_MPI@)
+  find_dependency(MPI)
+endif()
+if(@WITH_PUMI@)
+  find_dependency(SCOREC)
+endif()
+
+include(${CMAKE_CURRENT_LIST_DIR}/las_las.cmake)
+# las_lascore.cmake needs to be included after las_las.cmake
+if(@WITH_PUMI@)
+  include(${CMAKE_CURRENT_LIST_DIR}/las_lascore.cmake)
+endif()

core/CMakeLists.txt

@@ -35,5 +35,5 @@ endif()
 set_target_properties(las_core PROPERTIES PUBLIC_HEADER "${las_core_install}")
 target_include_directories(las_core PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}> $<INSTALL_INTERFACE:include> ${include_dirs})
 target_link_libraries(las_core PUBLIC las SCOREC::apf ${link_libs})
-install(TARGETS las_core EXPORT las_coreConfig LIBRARY DESTINATION lib ARCHIVE DESTINATION lib PUBLIC_HEADER DESTINATION include)
-install(EXPORT las_coreConfig DESTINATION lib/cmake)
+install(TARGETS las_core EXPORT las_lascore LIBRARY DESTINATION lib ARCHIVE DESTINATION lib PUBLIC_HEADER DESTINATION include)
+install(EXPORT las_lascore DESTINATION ${ConfigPackageLocation} )