diff options
| -rw-r--r-- | CMake/options.cmake | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/CMake/options.cmake b/CMake/options.cmake index d5fcef7ed..cae193020 100644 --- a/CMake/options.cmake +++ b/CMake/options.cmake @@ -399,7 +399,7 @@ if((NOT APPLE OR FLTK_BACKEND_X11) AND NOT WIN32 AND NOT FLTK_BACKEND_WAYLAND) endif(X11_FOUND) endif() -if(FLTK_BACKEND_X11) +if(APPLE AND FLTK_BACKEND_X11) if(NOT(${CMAKE_SYSTEM_VERSION} VERSION_LESS 17.0.0)) # a.k.a. macOS version ≥ 10.13 list(APPEND FLTK_CFLAGS "-D_LIBCPP_HAS_THREAD_API_PTHREAD") endif(NOT(${CMAKE_SYSTEM_VERSION} VERSION_LESS 17.0.0)) @@ -415,7 +415,7 @@ if(FLTK_BACKEND_X11) list(TRANSFORM TEMP_INCLUDE_DIR PREPEND "-I") list(APPEND FLTK_CFLAGS "${TEMP_INCLUDE_DIR}") endif(X11_INCLUDE_DIR) -endif(FLTK_BACKEND_X11) +endif(APPLE AND FLTK_BACKEND_X11) ####################################################################### option(FLTK_USE_POLL "use poll if available" OFF) |