ext/libsamplerate: compile using single precision floating point numbers

Compile using floats instead of doubles, so the FPUs that don't support
double-precision arithmetic can be used.

Author: KKopyscinski

ext/libsamplerate/pkg.yml

@@ -26,9 +26,12 @@ pkg.keywords:
 
 pkg.type: sdk
 
-pkg.cflags: -DHAVE_STDBOOL_H -fsingle-precision-constant -DHAVE_CONFIG_H -DNDEBUG
+pkg.cflags: -O3 -DHAVE_STDBOOL_H -fsingle-precision-constant -DHAVE_CONFIG_H -DNDEBUG -DLIBSAMPLERATE_SINGLE_PRECISION
 pkg.lflags: -lm
 
+app.cflags:
+    - -DLIBSAMPLERATE_SINGLE_PRECISION
+
 pkg.src_dirs:
     - "@libsamplerate/src"
 

ext/libsamplerate/src/config.h

@@ -34,10 +34,6 @@
 #define ENABLE_SINC_FAST_CONVERTER      1
 #endif
 
-#if MYNEWT_VAL(LIBSAMPLERATE_LIBSAMPLER_NDEBUG)
-#define LIBSAMPLER_NDEBUG      1
-#endif
-
 #define PACKAGE     "libsamplerate"
 #define VERSION     "0.2.2"
 

ext/libsamplerate/syscfg.yml

@@ -25,6 +25,3 @@ syscfg.defs:
     LIBSAMPLERATE_ENABLE_SINC_FAST_CONVERTER:
         description: Enable SINC fastest converter
         value: 1
-    LIBSAMPLERATE_LIBSAMPLER_NDEBUG:
-        description: Define NDEBUG for resampler code (turns off asserts)
-        value: 0