More fixing for Windows

8 years ago · 03e545d323
parent e8baa57326
commit 03e545d323
1 changed files with 1 additions and 1 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -322,7 +322,7 @@ else()
  endif()
  if(MINGW)
    set(WARNINGS "${WARNINGS} -Wno-error=unused-value -Wno-error=unused-but-set-variable")
-    set(MINGW_FLAG "${MINGW_FLAG} -DWIN32_LEAN_AND_MEAN")
+    set(MINGW_FLAG "${MINGW_FLAG} -DWIN32_LEAN_AND_MEAN -D_POSIX_C_SOURCE")
    set(Boost_THREADAPI win32)
    include_directories(SYSTEM src/platform/mingw)
    # mingw doesn't support LTO (multiple definition errors at link time)