Build: Add support for Apple frameworks

Signed-off-by: Treata11 <treata11@yahoo.com>

build/cmake/CMakeLists.txt

@@ -7,7 +7,7 @@
 # in the COPYING file in the root directory of this source tree).
 # ################################################################
 
-cmake_minimum_required(VERSION 3.10 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.14 FATAL_ERROR)
 
 # As of 2018-12-26 ZSTD has been validated to build with cmake version 3.13.2 new policies.
 # Set and use the newest cmake policies that are validated to work
@@ -30,8 +30,11 @@ set(LIBRARY_DIR ${ZSTD_SOURCE_DIR}/lib)
 include(GetZstdLibraryVersion)
 GetZstdLibraryVersion(${LIBRARY_DIR}/zstd.h zstd_VERSION_MAJOR zstd_VERSION_MINOR zstd_VERSION_PATCH)
 
+set(ZSTD_SHORT_VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}")
+set(ZSTD_FULL_VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}")
+
 project(zstd
-  VERSION "${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}"
+  VERSION "${ZSTD_FULL_VERSION}"
   LANGUAGES C   # Main library is in C
             ASM # And ASM
             CXX # Testing contributed code also utilizes CXX
@@ -82,6 +85,10 @@ else ()
     add_definitions(-DZSTD_LEGACY_SUPPORT=0)
 endif ()
 
+if (APPLE)
+    option(ZSTD_FRAMEWORK "Build as Apple Frameworks" OFF)
+endif ()
+
 if (ANDROID)
     set(ZSTD_MULTITHREAD_SUPPORT_DEFAULT OFF)
     # Old versions of bionic libc don't have fseeko/ftello

build/cmake/lib/CMakeLists.txt

@@ -205,8 +205,28 @@ if (ZSTD_BUILD_SHARED)
             libzstd_shared
             PROPERTIES
             OUTPUT_NAME zstd
-            VERSION ${zstd_VERSION_MAJOR}.${zstd_VERSION_MINOR}.${zstd_VERSION_PATCH}
+            VERSION ${ZSTD_FULL_VERSION}
             SOVERSION ${zstd_VERSION_MAJOR})
+            
+    if (ZSTD_FRAMEWORK)
+        set_target_properties(
+                libzstd_shared
+                PROPERTIES
+                FRAMEWORK TRUE
+                FRAMEWORK_VERSION "${ZSTD_FULL_VERSION}"
+                PRODUCT_BUNDLE_IDENTIFIER "github.com/facebook/zstd"
+                XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
+                PUBLIC_HEADER "${PublicHeaders}"
+                OUTPUT_NAME "zstd"
+                XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ""
+                XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED "NO"
+                XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO"
+                MACOSX_FRAMEWORK_IDENTIFIER "github.com/facebook/zstd"
+                MACOSX_FRAMEWORK_BUNDLE_VERSION "${ZSTD_FULL_VERSION}"
+                MACOSX_FRAMEWORK_SHORT_VERSION_STRING "${ZSTD_SHORT_VERSION}"
+                MACOSX_RPATH TRUE
+                RESOURCE ${PublicHeaders})
+    endif ()
 endif ()
 
 if (ZSTD_BUILD_STATIC)
@@ -215,6 +235,26 @@ if (ZSTD_BUILD_STATIC)
             PROPERTIES
             POSITION_INDEPENDENT_CODE On
             OUTPUT_NAME ${STATIC_LIBRARY_BASE_NAME})
+
+    if (ZSTD_FRAMEWORK)
+        set_target_properties(
+                libzstd_static
+                PROPERTIES
+                FRAMEWORK TRUE
+                FRAMEWORK_VERSION "${ZSTD_FULL_VERSION}"
+                PRODUCT_BUNDLE_IDENTIFIER "github.com/facebook/zstd/${STATIC_LIBRARY_BASE_NAME}"
+                XCODE_ATTRIBUTE_INSTALL_PATH "@rpath"
+                PUBLIC_HEADER "${PublicHeaders}"
+                OUTPUT_NAME "${STATIC_LIBRARY_BASE_NAME}"
+                XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ""
+                XCODE_ATTRIBUTE_CODE_SIGNING_ALLOWED "NO"
+                XCODE_ATTRIBUTE_CODE_SIGNING_REQUIRED "NO"
+                MACOSX_FRAMEWORK_IDENTIFIER "github.com/facebook/zstd/${STATIC_LIBRARY_BASE_NAME}"
+                MACOSX_FRAMEWORK_BUNDLE_VERSION "${ZSTD_FULL_VERSION}"
+                MACOSX_FRAMEWORK_SHORT_VERSION_STRING "${ZSTD_SHORT_VERSION}"
+                MACOSX_RPATH TRUE
+                RESOURCE ${PublicHeaders})
+    endif ()
 endif ()
 
 # pkg-config
@@ -239,6 +279,9 @@ install(TARGETS ${library_targets}
     LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
     RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
     BUNDLE DESTINATION "${CMAKE_INSTALL_BINDIR}"
+    FRAMEWORK DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT runtime OPTIONAL
+    INCLUDES DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
+    PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}"
     )
 
 # uninstall target