1 files changed, 54 insertions, 0 deletions
diff --git a/scripts/toolchains/ios.cmake b/scripts/toolchains/ios.cmake
new file mode 100644
index 000000000..5497117a3
--- /dev/null
+++ b/scripts/toolchains/ios.cmake
@@ -0,0 +1,54 @@
+if(NOT _VCPKG_IOS_TOOLCHAIN)
+    set(_VCPKG_IOS_TOOLCHAIN 1)
+
+    # Set the CMAKE_SYSTEM_NAME for try_compile calls.
+    set(CMAKE_SYSTEM_NAME iOS CACHE STRING "")
+
+    macro(_vcpkg_setup_ios_arch arch)
+        unset(_vcpkg_ios_system_processor)
+        unset(_vcpkg_ios_sysroot)
+        unset(_vcpkg_ios_target_architecture)
+
+        if ("${arch}" STREQUAL "arm64")
+            set(_vcpkg_ios_system_processor "aarch64")
+            set(_vcpkg_ios_target_architecture "arm64")
+        elseif("${arch}" STREQUAL "arm")
+            set(_vcpkg_ios_system_processor "arm")
+            set(_vcpkg_ios_target_architecture "armv7")
+        elseif("${arch}" STREQUAL "x64")
+            set(_vcpkg_ios_sysroot "iphonesimulator")
+            set(_vcpkg_ios_target_architecture "x86_64")
+        elseif("${arch}" STREQUAL "x86")
+            set(_vcpkg_ios_sysroot "iphonesimulator")
+            set(_vcpkg_ios_target_architecture "i386")
+        else()
+            message(FATAL_ERROR
+                    "Unknown VCPKG_TARGET_ARCHITECTURE value provided for triplet ${VCPKG_TARGET_TRIPLET}: ${arch}")
+        endif()
+    endmacro()
+
+    _vcpkg_setup_ios_arch("${VCPKG_TARGET_ARCHITECTURE}")
+    if(_vcpkg_ios_system_processor AND NOT CMAKE_SYSTEM_PROCESSOR)
+        set(CMAKE_SYSTEM_PROCESSOR ${_vcpkg_ios_system_processor})
+    endif()
+
+    # If VCPKG_OSX_ARCHITECTURES or VCPKG_OSX_SYSROOT is set in the triplet, they will take priority,
+    # so the following will be no-ops.
+    set(CMAKE_OSX_ARCHITECTURES "${_vcpkg_ios_target_architecture}" CACHE STRING "Build architectures for iOS")
+    if(_vcpkg_ios_sysroot)
+        set(CMAKE_OSX_SYSROOT ${_vcpkg_ios_sysroot} CACHE STRING "iOS sysroot")
+    endif()
+
+    get_property( _CMAKE_IN_TRY_COMPILE GLOBAL PROPERTY IN_TRY_COMPILE )
+    if(NOT _CMAKE_IN_TRY_COMPILE)
+        string(APPEND CMAKE_C_FLAGS_INIT " -fPIC ${VCPKG_C_FLAGS} ")
+        string(APPEND CMAKE_CXX_FLAGS_INIT " -fPIC ${VCPKG_CXX_FLAGS} ")
+        string(APPEND CMAKE_C_FLAGS_DEBUG_INIT " ${VCPKG_C_FLAGS_DEBUG} ")
+        string(APPEND CMAKE_CXX_FLAGS_DEBUG_INIT " ${VCPKG_CXX_FLAGS_DEBUG} ")
+        string(APPEND CMAKE_C_FLAGS_RELEASE_INIT " ${VCPKG_C_FLAGS_RELEASE} ")
+        string(APPEND CMAKE_CXX_FLAGS_RELEASE_INIT " ${VCPKG_CXX_FLAGS_RELEASE} ")
+
+        string(APPEND CMAKE_SHARED_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
+        string(APPEND CMAKE_EXE_LINKER_FLAGS_INIT " ${VCPKG_LINKER_FLAGS} ")
+    endif()
+endif()