Add support for Apple framework builds

Signed-off-by: Treata11 <[email protected]>

Author: Treata11

CMakeLists.txt

@@ -32,7 +32,11 @@ project(OpenEXR VERSION ${OPENEXR_VERSION_MAJOR}.${OPENEXR_VERSION_MINOR}.${OPEN
 set(OPENEXR_VERSION_RELEASE_TYPE "-dev" CACHE STRING "Extra version tag string for OpenEXR build, such as -dev, -beta1, etc.")
 
 set(OPENEXR_VERSION ${OpenEXR_VERSION})
-set(OPENEXR_VERSION_API "${OpenEXR_VERSION_MAJOR}_${OpenEXR_VERSION_MINOR}")
+set(OPENEXR_VERSION_FULL "${OpenEXR_VERSION_MAJOR}.${OpenEXR_VERSION_MINOR}.${OPENEXR_VERSION_PATCH}")
+set(OPENEXR_VERSION_API "${OpenEXR_VERSION_MAJOR}.${OpenEXR_VERSION_MINOR}")
+
+project(OpenEXR VERSION "${OPENEXR_VERSION_FULL}" LANGUAGES C CXX)
+
 
 # The SOVERSION (i.e. numerical component of SONAME) tracks the ABI
 # version. Increment this number whenever, and only when, the ABI changes in
@@ -49,6 +53,9 @@ set(OPENEXR_LIB_VERSION "${OPENEXR_LIB_SOVERSION}.${OPENEXR_VERSION}") # e.g. "3
 option(OPENEXR_INSTALL "Install OpenEXR libraries" ON)
 option(OPENEXR_INSTALL_TOOLS "Install OpenEXR tools" ON)
 option(OPENEXR_INSTALL_DEVELOPER_TOOLS "Install OpenEXR developer tools" OFF)
+if (APPLE)
+  option(OPENEXR_FRAMEWORK "Build as Apple Frameworks" OFF)
+endif ()
 
 if(OPENEXR_INSTALL OR OPENEXR_INSTALL_TOOLS OR OPENEXR_INSTALL_DEVELOPER_TOOLS)
   # uninstall target

cmake/LibraryDefine.cmake

@@ -73,6 +73,24 @@ function(OPENEXR_DEFINE_LIBRARY libname)
       OUTPUT_NAME "${libname}${OPENEXR_LIB_SUFFIX}"
       RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin"
   )
+  if(OPENEXR_FRAMEWORK)
+    set_target_properties(${libname} PROPERTIES
+      FRAMEWORK TRUE
+      FRAMEWORK_VERSION "${OPENEXR_VERSION_FULL}"
+      PRODUCT_BUNDLE_IDENTIFIER "github.com/AcademySoftwareFoundation/openexr/${libname}"
+      XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
+      # PUBLIC_HEADER "${PublicHeaders}"
+      # OUTPUT_NAME "${libname}"
+      XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ""
+      XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED "NO"
+      XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO"
+      MACOSX_FRAMEWORK_IDENTIFIER "github.com/AcademySoftwareFoundation/openexr/${libname}"
+      MACOSX_FRAMEWORK_BUNDLE_VERSION "${OPENEXR_VERSION_FULL}"
+      MACOSX_FRAMEWORK_SHORT_VERSION_STRING "${OPENEXR_VERSION_API}"
+      MACOSX_RPATH TRUE
+      # RESOURCE ${PublicHeaders}
+    )
+  endif()
   add_library(${PROJECT_NAME}::${libname} ALIAS ${libname})
 
   if(OPENEXR_INSTALL)
@@ -81,6 +99,7 @@ function(OPENEXR_DEFINE_LIBRARY libname)
       RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
       LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
       ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+      FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT runtime OPTIONAL
       INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
       PUBLIC_HEADER
         DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/${OPENEXR_OUTPUT_SUBDIR}