build script: add samplerate target

.gitignore

@@ -42,6 +42,7 @@
 /deps/pcre/lib/libpcreposix.a
 /deps/png/bin/png-fix-itxt
 /deps/png/bin/pngfix
+/deps/samplerate/bin/
 /deps/sndfile/bin/
 /deps/sndfile/include/sndfile.hh
 /deps/sndfile/lib/cmake/

build.py

@@ -1181,6 +1181,19 @@ class PngTarget(ConfigureMakeStaticDependencyTarget):
         Target.update_prefix_shell_script(builder.prefix_path + '/bin/libpng16-config')
 
 
+class SamplerateTarget(ConfigureMakeStaticDependencyTarget):
+    def __init__(self, name='samplerate'):
+        super().__init__(name)
+
+    def prepare_source(self, builder: 'Builder'):
+        builder.download_source(
+            'http://www.mega-nerd.com/SRC/libsamplerate-0.1.9.tar.gz',
+            '0a7eb168e2f21353fb6d84da152e4512126f7dc48ccb0be80578c565413444c1')
+
+    def detect(self, builder: 'Builder') -> bool:
+        return os.path.exists(builder.source_path + 'samplerate.pc.in')
+
+
 class SndFileTarget(CMakeStaticDependencyTarget):
     def __init__(self, name='sndfile'):
         super().__init__(name)
@@ -1549,6 +1562,7 @@ class Builder(object):
             PcreTarget(),
             PkgConfigTarget(),
             PngTarget(),
+            SamplerateTarget(),
             SndFileTarget(),
             VorbisTarget(),
             VpxTarget(),

patch/samplerate.patch

@@ -0,0 +1,11 @@
+--- a/examples/audio_out.c
++++ b/examples/audio_out.c
+@@ -432,7 +432,7 @@
+ 
+ #if (defined (__MACH__) && defined (__APPLE__)) /* MacOSX */
+ 
+-#include <Carbon.h>
++#include <Carbon/Carbon.h>
+ #include <CoreAudio/AudioHardware.h>
+ 
+ #define	MACOSX_MAGIC	MAKE_MAGIC ('M', 'a', 'c', ' ', 'O', 'S', ' ', 'X')