Symlink IgnPython and IgnBenchmark for downstream libs (#274)

Signed-off-by: methylDragon <[email protected]>

CMakeLists.txt

@@ -141,25 +141,52 @@ install(
 #============================================================================
 # Install the files for this package
 #============================================================================
-set(ign_modules_install_dir "${gz_config_install_dir}/cmake${PROJECT_VERSION_MAJOR}")
+set(gz_modules_install_dir "${gz_config_install_dir}/cmake${PROJECT_VERSION_MAJOR}")
 
 file(GLOB modules "cmake/*.cmake")
 file(GLOB templates "cmake/*.in")
 
 install(
   FILES ${modules} ${templates}
-  DESTINATION ${ign_modules_install_dir}
+  DESTINATION ${gz_modules_install_dir}
   COMPONENT modules)
 
 file(GLOB pkgconfig_templates "cmake/pkgconfig/*.in")
 
 install(
   FILES ${pkgconfig_templates}
-  DESTINATION ${ign_modules_install_dir}/pkgconfig
+  DESTINATION ${gz_modules_install_dir}/pkgconfig
   COMPONENT modules)
 
 message(STATUS "Install prefix: ${CMAKE_INSTALL_PREFIX}")
 
+# TODO(CH3): Deprecated. Remove on tock.
+# Install symlinks for IgnPython and IgnBenchmark
+set(tick_tocked_cmake_files
+  "GzPython.cmake"
+  "GzBenchmark.cmake")
+
+# TODO(CH3): Deprecated. Remove on tock.
+# Install symlinks for IgnPython and IgnBenchmark
+foreach(cmake_file ${tick_tocked_cmake_files})
+  string(REGEX REPLACE "^Gz" "Ign" ign_cmake_file ${cmake_file})
+
+  if (WIN32)  # Windows requires copy instead of symlink
+    install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E copy \
+        ${gz_modules_install_dir}\/${cmake_file} \
+        ${gz_modules_install_dir}\/${ign_cmake_file})")
+  else()
+    file(MAKE_DIRECTORY "${PROJECT_BINARY_DIR}/cmake")
+    install(CODE "execute_process(COMMAND ${CMAKE_COMMAND} -E create_symlink \
+        ${CMAKE_INSTALL_PREFIX}\/${gz_modules_install_dir}\/${cmake_file} \
+        ${PROJECT_BINARY_DIR}\/cmake/${ign_cmake_file})")
+    install(
+      FILES ${PROJECT_BINARY_DIR}/cmake/${ign_cmake_file}
+      DESTINATION ${gz_modules_install_dir}
+      COMPONENT modules)
+  endif()
+endforeach()
+
 include(CTest)
 if (BUILD_TESTING)
   add_subdirectory(test)