Install FindAtomic.cmake (#1652)

* Refs #9825: Find atomic in fastrtps-config.cmake

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

* Refs #9825: Install FindAtomic.cmake

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

* Refs #9825: Private link with atomic

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

* Refs #9825: Hint to find atomic

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

* Refs #9825: Atomic required

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

* Refs #9825: Add modules to CMAKE_CURRENT_LIST_DIR

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

* Refs #9825: Locally modify CMAKE_CURRENT_LIST_DIR

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

Author: EduPonz

cmake/packaging/Config.cmake.in

@@ -25,6 +25,17 @@ set_and_check(@PROJECT_NAME@_LIB_DIR "@PACKAGE_LIB_INSTALL_DIR@")
 find_package(fastcdr REQUIRED)
 find_package(foonathan_memory REQUIRED)
 find_package(TinyXML2 QUIET)
+
+# Find atomic using Fast DDS FindAtomic.cmake
+#    1. Save incoming CMAKE_MODULE_PATH
+#    2. Extend CMAKE_MODULE_PATH so atomic can be found
+#    3. Reset CMAKE_MODULE_PATH to incoming value
+#    4. Unset temp variable
+set(TEMP_CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}")
+set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH};${CMAKE_CURRENT_LIST_DIR}/modules")
+find_package(Atomic MODULE REQUIRED)
+set(CMAKE_MODULE_PATH "${TEMP_CMAKE_MODULE_PATH}")
+unset(TEMP_CMAKE_MODULE_PATH)
 @FASTRTPS_PACKAGE_OPT_DEPS@
 
 include(${CMAKE_CURRENT_LIST_DIR}/@[email protected])

src/cpp/CMakeLists.txt

@@ -405,6 +405,9 @@ elseif(NOT EPROSIMA_INSTALLER)
         ${THIRDPARTY_BOOST_INCLUDE_DIR}
         )
 
+    # PRIVACY is PUBLIC by default
+    set(PRIVACY "PUBLIC")
+
     # Made linked libraries PRIVATE to prevent local directories in Windows installer.
     if(EPROSIMA_INSTALLER_MINION)
         set(PRIVACY "PRIVATE")
@@ -630,6 +633,12 @@ elseif(NOT EPROSIMA_INSTALLER)
         COMPONENT cmake
         )
 
+    # Install FindAtomic.cmake in case external application want to make use of it
+    install(FILES ${PROJECT_SOURCE_DIR}/cmake/modules/FindAtomic.cmake
+        DESTINATION ${INSTALL_DESTINATION_PATH}/modules
+        COMPONENT cmake
+        )
+
     if(MSVCARCH_EXTENSION)
         string(TOUPPER "${MSVC_ARCH}" MSVC_ARCH_UPPER)
         set(CPACK_COMPONENT_LIBRARIES_${MSVC_ARCH_UPPER}_DISPLAY_NAME "${MSVC_ARCH}" PARENT_SCOPE)