Ninja: add depfile support for Intel's compiler

Modules/Compiler/Intel-C.cmake

@@ -6,6 +6,8 @@ set(CMAKE_C_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
 set(CMAKE_C_FLAGS_RELEASE_INIT "-O3 -DNDEBUG")
 set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "-O2 -g -DNDEBUG")
 
+set(CMAKE_DEPFILE_FLAGS_C "-MMD -MT <OBJECT> -MF <DEPFILE>")
+
 if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 12.0)
   set(CMAKE_C_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
 endif()

Modules/Compiler/Intel-CXX.cmake

@@ -6,6 +6,8 @@ set(CMAKE_CXX_FLAGS_MINSIZEREL_INIT "-Os -DNDEBUG")
 set(CMAKE_CXX_FLAGS_RELEASE_INIT "-O3 -DNDEBUG")
 set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "-O2 -g -DNDEBUG")
 
+set(CMAKE_DEPFILE_FLAGS_CXX "-MMD -MT <OBJECT> -MF <DEPFILE>")
+
 if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 12.0)
   set(CMAKE_CXX_COMPILE_OPTIONS_VISIBILITY "-fvisibility=")
 endif()