shairplay: Update to 2018-08-24

Switched to codeload for easier package bumping.

Added PKG_BUILD_PARALLEL for faster compilation.

Signed-off-by: Rosen Penev <rosenp@gmail.com>

sound/shairplay/patches/002-libavahi-compat-dnssd.patch

@@ -1,11 +0,0 @@
---- a/src/lib/dnssd.c
-+++ b/src/lib/dnssd.c
-@@ -167,7 +167,7 @@ dnssd_init(int *error)
- 		return NULL;
- 	}
- #elif USE_LIBDL
--	dnssd->module = dlopen("libdns_sd.so", RTLD_LAZY);
-+	dnssd->module = dlopen("libdns_sd.so.1", RTLD_LAZY);
- 	if (!dnssd->module) {
- 		if (error) *error = DNSSD_ERROR_LIBNOTFOUND;
- 		free(dnssd);

sound/shairplay/patches/010-configure-only-check-for-dns_sd.h-in-case-libdl-was-.patch

@@ -0,0 +1,26 @@
+From 031c3d802e51bbc233b1044f812402a66bfcf237 Mon Sep 17 00:00:00 2001
+From: Memphiz <memphis@machzwo.de>
+Date: Fri, 21 Dec 2018 20:39:11 +0100
+Subject: [PATCH] [configure] - only check for dns_sd.h in case libdl was not
+ found
+
+---
+ configure.ac | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/configure.ac b/configure.ac
+index 5a4b8ad..682d74b 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -19,7 +19,7 @@ LT_LIB_DLLOAD
+ 
+ # Checks for header files.
+ AC_HEADER_STDC
+-if test yes = "$libltdl_cv_func_dlopen" || test yes = "$libltdl_cv_lib_dl_dlopen"
++if test no = "$libltdl_cv_func_dlopen" && test no = "$libltdl_cv_lib_dl_dlopen"
+ then
+   AC_CHECK_HEADERS([dns_sd.h], [],
+                    [AC_MSG_ERROR([Could not find dns_sd.h header, please install libavahi-compat-libdnssd-dev or equivalent.])])
+-- 
+2.17.1
+