CMake: Add -DYY_NO_UNISTD_H definition to built flex sources

2021-01-03 00:21:48 +01:00 · 2021-01-03 00:21:48 +01:00 · f8039c0bc8
parent 3f6a8b88c0
commit f8039c0bc8
1 changed files with 4 additions and 0 deletions
--- a/cmake/macros/AddFlexTarget.cmake
+++ b/cmake/macros/AddFlexTarget.cmake
@ -74,4 +74,8 @@ function(add_flex_target output_cxx input_lxx)
      ${commands}
      DEPENDS ${depends})
  endif()
+
+  if(MSVC)
+    set_source_files_properties(${outputs} PROPERTIES COMPILE_DEFINITIONS YY_NO_UNISTD_H=1)
+  endif()
 endfunction(add_flex_target)