TTS: Enable in Mingw-w64 builds

TTS libraries can now be used in default Mingw-w64 environments.

- Removes reference to sapiddk.h which isn't used and isn't in Mingw-w64
- Defines guids whose symbols are missing from Mingw-w64
- Restores TTS detection to configure script

1 files changed, 9 insertions, 0 deletions

diff --git a/configure b/configure
index 401da536c8..86d80c40c4 100755
--- a/configure
+++ b/configure
@@ -4239,6 +4239,15 @@ echocheck "TTS libraries"
 if test "$_tts" = auto ; then
 	_tts=no
 	case $_host_os in
+		mingw*)
+			cat > $TMPC << EOF
+#include <windows.h>
+#include <Servprov.h>
+#include <sapi.h>
+int main(void) { return 0; }
+EOF
+			cc_check -lsapi -lole32 && _tts=yes
+			;;
 		linux*)
 			cat > $TMPC << EOF
 #include <speech-dispatcher/libspeechd.h>