Ticktock export headers

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

cmake/Export.hh.in

@@ -53,11 +53,49 @@
 
 
 #ifndef IGN_DEPRECATED
+// TODO(CH3): Remove on ticktock
+// NOTE(CH3): This has no docstring since we'll make GZ_DEPRECATED the default
+#define IGN_DEPRECATED(version) GZ_DEPRECATED_ALL_VERSIONS
+#endif
+
+#ifndef GZ_DEPRECATED
 /// For @lib_name@ developers: Use this macro to indicate that a
 /// function or class has been deprecated and should no longer be used. A
 /// version should be specified to provide context to the user about when the
 /// function became deprecated.
-#define IGN_DEPRECATED(version) IGN_DEPRECATED_ALL_VERSIONS
+
+// NOTE(CH3): GZ_DEPRECATED_ALL_VERSIONS can't be ticktocked, it's generated
+// On the bright side, it seems to be private
+#define GZ_DEPRECATED(version) GZ_DEPRECATED_ALL_VERSIONS
+#endif
+
+
+// TICKTOCK IGNITION ========================================================
+// TODO(CH3): Remove on ticktock, supports defining IGNITION macros if we're
+//            a lib is using GZ_ prefixed export macros
+#define _USING_GZ_EXPORT_BASE @_using_gz_export_base@
+#if _USING_GZ_EXPORT_BASE
+
+
+#ifndef @_ign_export_base@_VISIBLE
+/// For @lib_name@ developers: Apply this macro to @lib_name@
+/// functions and classes which consumers of this library will need to be able
+/// to call from their own programs or libraries.
+#define @_ign_export_base@_VISIBLE \
+  DETAIL_@export_base@_VISIBLE
 #endif
 
+
+#ifndef @_ign_export_base@_HIDDEN
+/// For @lib_name@ developers: Apply this macro to @lib_name@
+/// functions and classes which must not be used by consumers of this library.
+/// By default, this property is applied to all classes and functions which are
+/// not tagged with @_ign_export_base@_VISIBLE, so this does not
+/// generally need to be used.
+#define @_ign_export_base@_HIDDEN \
+  DETAIL_@export_base@_HIDDEN
 #endif
+
+
+#endif  // _USING_GZ_EXPORT_BASE
+#endif  // @export_base@_EXPORT_HH_

cmake/IgnUtils.cmake

@@ -952,12 +952,58 @@ function(ign_create_core_library)
 
   #------------------------------------
   # Create the target for the core library, and configure it to be installed
-  _ign_add_library_or_component(
-    LIB_NAME ${PROJECT_LIBRARY_TARGET_NAME}
-    INCLUDE_DIR "${PROJECT_INCLUDE_DIR}"
-    EXPORT_BASE IGNITION_${IGN_DESIGNATION_UPPER}
-    SOURCES ${sources}
-    ${interface_option})
+
+  # Support "gz-"
+  if(${PROJECT_LIBRARY_TARGET_NAME} MATCHES "^gz-")
+    _ign_add_library_or_component(
+      LIB_NAME ${PROJECT_LIBRARY_TARGET_NAME}
+      INCLUDE_DIR "${PROJECT_INCLUDE_DIR}"
+      EXPORT_BASE GZ_${IGN_DESIGNATION_UPPER}
+      SOURCES ${sources}
+      ${interface_option})
+
+    # For ticktocking: Export an "ignition-" target as well, allowing linking against
+    # the ignition- prefixed name
+    # TODO(CH3): To remove on tock
+    string(REGEX REPLACE "^gz-" "ignition-" IGN_LIBRARY_TARGET_NAME ${PROJECT_LIBRARY_TARGET_NAME})
+    _ign_add_library_or_component(
+      LIB_NAME ${IGN_LIBRARY_TARGET_NAME}
+      INCLUDE_DIR "${PROJECT_INCLUDE_DIR}"
+
+      # Using GZ_ is deliberate, Export.hh.in has logic to deal with this
+      EXPORT_BASE GZ_${IGN_DESIGNATION_UPPER}
+      SOURCES ${sources}
+      ${interface_option})
+
+    target_include_directories(${IGN_LIBRARY_TARGET_NAME}
+      ${property_type}
+        # This is the publicly installed headers directory.
+        "$<INSTALL_INTERFACE:${IGN_INCLUDE_INSTALL_DIR_FULL}>"
+        # This is the in-build version of the core library headers directory.
+        # Generated headers for the core library get placed here.
+        "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/include>"
+        # Generated headers for the core library might also get placed here.
+        "$<BUILD_INTERFACE:${PROJECT_BINARY_DIR}/core/include>")
+
+    #------------------------------------
+    # Handle cmake and pkgconfig packaging
+    # TODO(CH3): Remove on tock
+    string(REGEX REPLACE "^gz-" "ignition-" IGN_PROJECT_NAME_LOWER ${PROJECT_NAME_LOWER})
+
+    if(ign_create_core_library_INTERFACE)
+      set(project_pkgconfig_core_lib) # Intentionally blank
+    else()
+      set(project_pkgconfig_core_lib "-l${IGN_PROJECT_NAME_LOWER}")
+    endif()
+
+  else()
+    _ign_add_library_or_component(
+      LIB_NAME ${PROJECT_LIBRARY_TARGET_NAME}
+      INCLUDE_DIR "${PROJECT_INCLUDE_DIR}"
+      EXPORT_BASE GZ_${IGN_DESIGNATION_UPPER}
+      SOURCES ${sources}
+      ${interface_option})
+  endif()
 
   # These generator expressions are necessary for multi-configuration generators
   # such as MSVC on Windows. They also ensure that our target exports its
@@ -1136,10 +1182,18 @@ function(ign_add_component component_name)
 
   #------------------------------------
   # Create the target for this component, and configure it to be installed
+
+  # Support "gz-"
+  if(${PROJECT_LIBRARY_TARGET_NAME} MATCHES "^gz-")
+   set(EXPORT_PREFIX "GZ")
+  else()
+   set(EXPORT_PREFIX "IGNITION")
+  endif()
+
   _ign_add_library_or_component(
     LIB_NAME ${component_target_name}
     INCLUDE_DIR "${PROJECT_INCLUDE_DIR}/${include_subdir}"
-    EXPORT_BASE IGNITION_${IGN_DESIGNATION_UPPER}_${component_name_upper}
+    EXPORT_BASE ${EXPORT_PREFIX}_${IGN_DESIGNATION_UPPER}_${component_name_upper}
     SOURCES ${sources}
     ${interface_option})
 
@@ -1424,7 +1478,7 @@ macro(_ign_add_library_or_component)
       EXPORT_FILE_NAME ${implementation_file_name}
       EXPORT_MACRO_NAME DETAIL_${export_base}_VISIBLE
       NO_EXPORT_MACRO_NAME DETAIL_${export_base}_HIDDEN
-      DEPRECATED_MACRO_NAME IGN_DEPRECATED_ALL_VERSIONS)
+      DEPRECATED_MACRO_NAME GZ_DEPRECATED_ALL_VERSIONS)
 
     set(install_include_dir
       "${IGN_INCLUDE_INSTALL_DIR_FULL}/${include_dir}")
@@ -1438,6 +1492,18 @@ macro(_ign_add_library_or_component)
     # Configure the public-facing header for exporting and deprecating. This
     # header provides commentary for the macros so that developers can know their
     # purpose.
+
+    # TODO(CH3): Remove this on ticktock
+    # This is to allow IGNITION_ prefixed export macros to generate in Export.hh
+    # _gz_export_base is used in Export.hh.in's configuration!
+    if(${export_base} MATCHES "^GZ_")
+      set(_gz_export_base 1)
+    else()
+      set(_gz_export_base 0)
+    endif()
+
+    string(REGEX REPLACE "^GZ_" "IGNITION_" _ign_export_base ${export_base})
+
     configure_file(
       "${IGNITION_CMAKE_DIR}/Export.hh.in"
       "${binary_include_dir}/Export.hh")