Turn AMENT_IMPORT_PREFIX into per-package variable

Author: roehling

ament_cmake_core/cmake/core/templates/nameConfig.cmake.in

@@ -37,12 +37,12 @@ set(@PROJECT_NAME@_FOUND_AMENT_PACKAGE TRUE)
 
 # Compute relocatable install prefix. This is pretty much the same code as it
 # is generated by the CMakePackageConfigHelpers module.
-get_filename_component(AMENT_IMPORT_PREFIX "${CMAKE_CURRENT_LIST_DIR}/../../../" ABSOLUTE)
+get_filename_component(@PROJECT_NAME@_IMPORT_PREFIX "${CMAKE_CURRENT_LIST_DIR}/../../../" ABSOLUTE)
 # Use original install prefix if the package was merely found via symlink alias
 get_filename_component(_realCurr "${CMAKE_CURRENT_LIST_DIR}" REALPATH)
 get_filename_component(_realOrig "@CMAKE_INSTALL_PREFIX@/share/@PROJECT_NAME@/cmake" REALPATH)
 if(_realCurr STREQUAL _realOrig)
-  set(AMENT_IMPORT_PREFIX "@CMAKE_INSTALL_PREFIX@")
+  set(@PROJECT_NAME@_IMPORT_PREFIX "@CMAKE_INSTALL_PREFIX@")
 endif()
 unset(_realCurr)
 unset(_realOrig)

ament_cmake_export_include_directories/cmake/ament_export_include_directories.cmake

@@ -37,7 +37,7 @@ macro(ament_export_include_directories)
       if(NOT IS_ABSOLUTE "${_arg}")
         # prefix relative paths with CMAKE_INSTALL_PREFIX
         # while avoiding to embed any absolute path
-        set(_arg "\${AMENT_IMPORT_PREFIX}/${_arg}")
+        set(_arg "\${${PROJECT_NAME}_IMPORT_PREFIX}/${_arg}")
         list_append_unique(_AMENT_EXPORT_RELATIVE_INCLUDE_DIRECTORIES "${_arg}")
       else()
         if(NOT IS_DIRECTORY "${_arg}")

ament_cmake_export_libraries/cmake/ament_cmake_export_libraries-extras.cmake.in

@@ -39,7 +39,7 @@ if(NOT _exported_libraries STREQUAL "")
       set(_lib "NOTFOUND")
       find_library(
         _lib NAMES "${_library}"
-        PATHS "${AMENT_IMPORT_PREFIX}/lib"
+        PATHS "${@PROJECT_NAME@_IMPORT_PREFIX}/lib"
         NO_DEFAULT_PATH NO_CMAKE_FIND_ROOT_PATH
       )