Tests/RunCMake/PrecompileHeaders/PchReuseFrom.cmake

   1 cmake_minimum_required(VERSION 3.15)
   2 project(PchReuseFrom C)
   3
   4 if(CMAKE_C_COMPILE_OPTIONS_USE_PCH)
   5   add_definitions(-DHAVE_PCH_SUPPORT)
   6 endif()
   7
   8 # Add this before the target from which we will reuse the PCH
   9 # to test that generators can handle reversed ordering.
  10 add_library(foo foo.c)
  11 target_include_directories(foo PUBLIC include)
  12
  13 add_library(empty empty.c)
  14 target_precompile_headers(empty PRIVATE
  15   <stdio.h>
  16   <string.h>
  17 )
  18 target_include_directories(empty PUBLIC include)
  19
  20 target_precompile_headers(foo REUSE_FROM empty)
  21
  22 # should not cause problems if configured multiple times
  23 target_precompile_headers(foo REUSE_FROM empty)
  24
  25 add_executable(foobar foobar.c)
  26 target_link_libraries(foobar foo )
  27 set_target_properties(foobar PROPERTIES PRECOMPILE_HEADERS_REUSE_FROM foo)
  28
  29 enable_testing()
  30 add_test(NAME foobar COMMAND foobar)