set platform for ios

3rdParty/msdf/CMakeLists.txt

@@ -33,9 +33,13 @@ if (NOT Freetype_FOUND OR NOT EXISTS "${CMAKE_BINARY_DIR}/_deps/freetype-src/bui
     set(FT_SRC_DIR "${CMAKE_BINARY_DIR}/_deps/freetype-src")
     set(FT_BUILD_DIR "${FT_SRC_DIR}/build")
     file(MAKE_DIRECTORY ${FT_BUILD_DIR})
+    set(PLATFORM_ARG "")
+    if (IOS)
+        set(PLATFORM_ARG "-DPLATFORM=OS64")
+    endif()
     execute_process(
             COMMAND ${CMAKE_COMMAND} -G ${CMAKE_GENERATOR} -DTOOLCHAIN_FILE=${TOOLCHAIN_FILE} -S ${FT_SRC_DIR} -B ${FT_BUILD_DIR}
-            -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=${FT_SRC_DIR}/freetype-install
+            -DBUILD_SHARED_LIBS=OFF -DCMAKE_INSTALL_PREFIX=${FT_SRC_DIR}/freetype-install ${PLATFORM_ARG}
             WORKING_DIRECTORY ${FT_BUILD_DIR}
     )
     execute_process(