Built SDL2_image and _mixer static

libsdl2_mixer/external/opus-1.0.3/silk_headers.mk

@@ -0,0 +1,26 @@
+SILK_HEAD = \
+silk/debug.h \
+silk/control.h \
+silk/errors.h \
+silk/API.h \
+silk/typedef.h \
+silk/define.h \
+silk/main.h \
+silk/PLC.h \
+silk/structs.h \
+silk/tables.h \
+silk/tuning_parameters.h \
+silk/Inlines.h \
+silk/MacroCount.h \
+silk/MacroDebug.h \
+silk/macros.h \
+silk/pitch_est_defines.h \
+silk/resampler_private.h \
+silk/resampler_rom.h \
+silk/resampler_structs.h \
+silk/SigProc_FIX.h \
+silk/fixed/main_FIX.h \
+silk/fixed/structs_FIX.h \
+silk/float/main_FLP.h \
+silk/float/structs_FLP.h \
+silk/float/SigProc_FLP.h