cmake: set _WIN32_WINNT when compiling with mingw

This should fix #569 Signed-off-by: Robin Getz <[email protected]>
analogdevicesinc · Jul 23, 2020 · b80ae01 · b80ae01
1 parent 9b4b492
commit b80ae01
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -86,6 +86,14 @@ elseif (CMAKE_COMPILER_IS_GNUCC)
 			set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=c99")
 		endif()
 	endif()
+
+	# Per http://www.mingw.org/wiki/Use_more_recent_defined_functions
+	if (MINGW)
+		# Build for Vista and above
+		# check mingw-w64-headers/include/w32api.h
+		set(CMAKE_C_FLAGS "-D_WIN32_WINNT=0x600 ${CMAKE_C_FLAGS}")
+		set(CMAKE_C_FLAGS "-DWINVER=0x600 ${CMAKE_C_FLAGS}")
+	endif()
 elseif (CMAKE_C_COMPILER_ID STREQUAL "Clang")
 	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -pedantic -Wno-unused-parameter")
 else()