--- ray/CMakeLists.txt	2020/07/17 16:05:05	1.23
+++ ray/CMakeLists.txt	2023/01/11 23:31:17	1.26
@@ -78,6 +78,7 @@ if(BUILD_LIBTIFF)
       URL_MD5 ${LIBTIFF_MD5}
       CMAKE_GENERATOR "NMake Makefiles"
       CMAKE_ARGS
+        "-UHAVE_UNISTD_H"
         "-DBUILD_SHARED_LIBS=OFF"
         "-DCMAKE_BUILD_TYPE=Release"
         "-Dzlib=OFF"
@@ -117,10 +118,10 @@ endif()
 include(CPack)
 
 if(NOT BUILD_HEADLESS)
-  find_package(Qt5Widgets)
-  get_target_property(QT_LIBRARY_DIR Qt5::Core LOCATION)
-  get_filename_component(QT_LIBRARY_DIR ${QT_LIBRARY_DIR} PATH)
-  get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}/.." ABSOLUTE)
+    find_package(Qt5Widgets)
+    get_target_property(QT_LIBRARY_DIR Qt5::Core LOCATION)
+    get_filename_component(QT_LIBRARY_DIR ${QT_LIBRARY_DIR} PATH)
+    get_filename_component(QT_LIBRARY_DIR "${QT_LIBRARY_DIR}/.." ABSOLUTE)
   find_package(X11)
   if(APPLE)
      include_directories(${X11_INCLUDE_DIR})
@@ -131,6 +132,8 @@ set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
 
 if(MSVC)
   add_definitions(/MP)
+  # Suppress warnings about double-to-float assignments and initializations
+  add_compile_options(/wd"4244" /wd"4305")
 endif()
 if(WIN32 AND "${CMAKE_C_COMPILER_ID}" MATCHES "^(Intel)$")
   set(_INTEL_WINDOWS 1)