On '1.7.x-cmake-improvements' branch: Merge r1917162 from trunk:

  * CMakeLists.txt: Export targets to apr:: namespace.

git-svn-id: https://svn.apache.org/repos/asf/apr/apr/branches/1.7.x-cmake-improvements@1917221 13f79535-47bb-0310-9956-ffa450edef68

CMakeLists.txt

@@ -447,13 +447,20 @@ IF(APR_BUILD_TESTAPR)
 ENDIF (APR_BUILD_TESTAPR)
 
 # Installation
+string(TOLOWER "${PROJECT_NAME}" project_name_lower)
 
-INSTALL(TARGETS ${install_targets}
+INSTALL(TARGETS ${install_targets} EXPORT apr-config
         RUNTIME DESTINATION bin
         LIBRARY DESTINATION lib
         ARCHIVE DESTINATION lib
        )
 
+INSTALL(EXPORT apr-config
+        NAMESPACE apr::
+        DESTINATION "lib/cmake/${project_name_lower}"
+        FILE "${project_name_lower}-config.cmake"
+)
+
 IF(INSTALL_PDB)
   INSTALL(FILES ${install_bin_pdb}
           DESTINATION bin