add OpenBSD support

Author: jg1uaa

Makefile

@@ -6,11 +6,14 @@
 
 win := $(shell uname | grep CYGWIN)
 dar := $(shell uname | grep Darwin)
+obsd := $(shell uname | grep OpenBSD)
 
 ifneq ($(win),)
    include Makefile.win
 else ifeq ($(dar),Darwin)
    include Makefile.macosx
+else ifeq ($(obsd),OpenBSD)
+   include Makefile.openbsd
 else
    include Makefile.linux
 endif

Makefile.openbsd

@@ -113,7 +113,7 @@ endif
 # ---------- ARM - pcDuino ----------
 #
 # clang 5.0.1 running on OpenBSD-6.3/armv7.
-# Cortex-A8 (ARMv7A) + VFPv3 + NEON
+# Cortex-A8 (ARMv7A) + VFPv3 + NEON @ 1008MHz
 #
 #
 #       seconds		options
@@ -127,23 +127,23 @@ endif
 #
 
 #
-# ---------- ARM - Banana Pi ----------
+# ---------- ARM - Orange Pi PC ----------
 #
 # clang 5.0.1 running on OpenBSD-6.3/armv7.
-# Cortex-A7 (ARMv7A) + VFPv4 + NEON
+# Cortex-A7 (ARMv7A) + VFPv4 + NEON @ 1008MHz
 #
 #
 #       seconds		options
 #       ---------	-------
-#       10037.693	-O3 -ffast-math -mfpu=neon
-#         437.039	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfp
-#         436.613	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfpv3
-#         436.318	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfpv3-d16
-#         358.505	-O3 -ffast-math -mfloat-abi=softfp -mfpu=neon
-#         357.988	-O3 -ffast-math -mfloat-abi=hard -mfpu=neon
-#         436.393	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfpv4
-#         436.413	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfpv4-d16
-#         359.145	-O3 -ffast-math -mfloat-abi=softfp -mfpu=neon-vfpv4
+#        8961.491	-O3 -ffast-math
+#         399.880	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfp
+#         400.615	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfpv3
+#         399.659	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfpv3-d16
+#         329.392	-O3 -ffast-math -mfloat-abi=softfp -mfpu=neon
+#         329.060	-O3 -ffast-math -mfloat-abi=hard -mfpu=neon
+#         398.590	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfpv4
+#         399.478	-O3 -ffast-math -mfloat-abi=softfp -mfpu=vfpv4-d16
+#         328.698	-O3 -ffast-math -mfloat-abi=softfp -mfpu=neon-vfpv4
 #
 
 #

audio.h

@@ -285,8 +285,8 @@ struct audio_s {
 #if __WIN32__ || __APPLE__
 #define DEFAULT_ADEVICE	""		/* Windows: Empty string = default audio device. */
 #else
-#if USE_ALSA
-#define DEFAULT_ADEVICE	"default"	/* Use default device for ALSA. */
+#if defined(USE_ALSA) || defined(__OpenBSD__)
+#define DEFAULT_ADEVICE	"default"	/* Use default device for ALSA/OpenBSD-portaudio. */
 #else
 #define DEFAULT_ADEVICE	"/dev/dsp"	/* First audio device for OSS. */
 #endif