--- a/libpurple/win32/global.mak Tue Jan 05 13:46:01 2016 -0500 +++ b/libpurple/win32/global.mak Tue Jan 05 14:46:59 2016 -0500 @@ -86,7 +86,7 @@ DEFINES += -DHAVE_CYRUS_SASL endif -DEFINES += -DHAVE_CONFIG_H -DWIN32_LEAN_AND_MEAN +DEFINES += -DHAVE_CONFIG_H -DWIN32_LEAN_AND_MEAN -DWINVER=0x0501 -D_WIN32_WINNT=0x501 CFLAGS += -O2 -Wall $(GCCWARNINGS) $(CC_HARDENING_OPTIONS) -pipe -mms-bitfields -g