Add iOS Cross-Compilation Support (#461)

* Enable Cross-Compilation for iOS.

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

* Fix typo

Replaced `TBB_USE_APPLE_FRAMEWORKS` with `IMATH_BUILD_APPLE_FRAMEWORKS`.

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

* Ignore macOS finder files

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

* Build: set FRAMEWORK property TRUE for iOS-derived builds before install

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

* Update Framework properties

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

---------

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

Author: Treata11

.gitignore

@@ -4,3 +4,5 @@
 build/
 _build/
 _install/
+
+.DS_Store

CMakeLists.txt

@@ -85,6 +85,10 @@ if (BUILD_WEBSITE AND NOT IMATH_IS_SUBPROJECT)
   add_subdirectory(website)
 endif()
 
+if (APPLE)
+  option(IMATH_BUILD_APPLE_FRAMEWORKS "Build as Apple Frameworks" OFF)
+endif()
+
 # If you want to use ctest to configure, build and
 # upload the results, cmake has builtin support for
 # submitting to CDash, or any server who speaks the

config/LibraryDefine.cmake

@@ -84,13 +84,31 @@ function(IMATH_DEFINE_LIBRARY libname)
   )
   add_library(${PROJECT_NAME}::${libname} ALIAS ${libname})
 
+  if (IMATH_BUILD_APPLE_FRAMEWORKS)
+    set_target_properties(${libname} PROPERTIES 
+      FRAMEWORK TRUE
+      FRAMEWORK_VERSION IMATH_LIB_VERSION
+      XCODE_ATTRIBUTE_PRODUCT_BUNDLE_IDENTIFIER com.AcademySoftwareFoundation.${libname}
+      MACOSX_FRAMEWORK_IDENTIFIER com.AcademySoftwareFoundation.${libname}
+      MACOSX_FRAMEWORK_BUNDLE_VERSION IMATH_LIB_VERSION
+      MACOSX_FRAMEWORK_SHORT_VERSION_STRING ${Imath_VERSION})
+  endif()
+  
   if (IMATH_INSTALL)
     install(TARGETS ${libname}
       EXPORT ${PROJECT_NAME}
-      RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
-      LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
-      ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
-      INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
+      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 ${CMAKE_INSTALL_INCLUDEDIR}/${IMATH_OUTPUT_SUBDIR}
     )

src/Imath/CMakeLists.txt

@@ -47,3 +47,14 @@ imath_define_library(Imath
     ImathVec.h
     ImathVecAlgo.h
   )
+
+if(IMATH_BUILD_APPLE_FRAMEWORKS)
+  set_target_properties(Imath PROPERTIES
+      FRAMEWORK TRUE
+      FRAMEWORK_VERSION IMATH_LIB_VERSION
+      XCODE_ATTRIBUTE_PRODUCT_BUNDLE_IDENTIFIER github.com/AcademySoftwareFoundation/Imath
+      OUTPUT_NAME "imath"
+      MACOSX_FRAMEWORK_IDENTIFIER github.com/AcademySoftwareFoundation/Imath
+      MACOSX_FRAMEWORK_BUNDLE_VERSION IMATH_LIB_VERSION
+      MACOSX_FRAMEWORK_SHORT_VERSION_STRING ${Imath_VERSION})
+endif()

src/ImathTest/CMakeLists.txt

@@ -84,6 +84,10 @@ function(DEFINE_IMATH_TESTS)
   endforeach()
 endfunction()
 
+if (IMATH_BUILD_APPLE_FRAMEWORKS)
+  add_compile_definitions(IMATH_BUILD_APPLE_FRAMEWORKS)
+endif()
+
 define_imath_tests(
   testToFloat
   testSize

src/pybind11/PyBindImath/CMakeLists.txt

@@ -78,6 +78,7 @@ if (IMATH_INSTALL)
       RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
       LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
       ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+      FRAMEWORK DESTINATION ${CMAKE_INSTALL_LIBDIR}
       INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
 
   if(BUILD_SHARED_LIBS AND (NOT "${IMATH_LIB_SUFFIX}" STREQUAL "") AND IMATH_INSTALL_SYM_LINK)
@@ -109,3 +110,14 @@ if (IMATH_INSTALL)
   install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${pcout} DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 
 endif()
+
+if(IMATH_BUILD_APPLE_FRAMEWORKS)
+    set_target_properties(${PYBINDIMATH_LIBRARY} PROPERTIES
+        FRAMEWORK TRUE
+        FRAMEWORK_VERSION PYBINDIMATH_LIB_SUFFIX
+        XCODE_ATTRIBUTE_PRODUCT_BUNDLE_IDENTIFIER github.com/AcademySoftwareFoundation/Imath.PyBind
+        # OUTPUT_NAME "pybind"
+        MACOSX_FRAMEWORK_IDENTIFIER github.com/AcademySoftwareFoundation/Imath.PyBind
+        MACOSX_FRAMEWORK_BUNDLE_VERSION PYBINDIMATH_LIB_SUFFIX
+        MACOSX_FRAMEWORK_SHORT_VERSION_STRING ${Imath_VERSION})
+endif()