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-rw-r--r--ConfigureChecks.cmake2
1 files changed, 2 insertions, 0 deletions
diff --git a/ConfigureChecks.cmake b/ConfigureChecks.cmake
index f290a6f1..e18965a5 100644
--- a/ConfigureChecks.cmake
+++ b/ConfigureChecks.cmake
@@ -65,6 +65,8 @@ check_include_file(arpa/inet.h HAVE_ARPA_INET_H)
check_include_file(byteswap.h HAVE_BYTESWAP_H)
if (WIN32)
+ check_include_file(io.h HAVE_IO_H)
+
check_include_files("winsock2.h;ws2tcpip.h;wspiapi.h" HAVE_WSPIAPI_H)
if (NOT HAVE_WSPIAPI_H)
message(STATUS "WARNING: Without wspiapi.h, this build will only work on Windows XP and newer versions")