CMake/Tests/RunCMake/PrecompileHeaders/PchMultilanguage.cmake

cmake_minimum_required(VERSION 3.15)
project(PchMultilanguage C CXX)

add_executable(foobar
  foo.c
  main.cpp
)
target_include_directories(foobar PUBLIC include)
target_precompile_headers(foobar PRIVATE
  "$<$<COMPILE_LANGUAGE:C>:<stddef.h$<ANGLE-R>>"
  "$<$<COMPILE_LANGUAGE:CXX>:<cstddef$<ANGLE-R>>"
  )