pd: fix musl

srcpkgs/pd/patches/fix-musl.patch

@@ -0,0 +1,15 @@
+--- src/x_text.c.orig	2019-08-29 10:11:27.734179939 +0200
++++ src/x_text.c	2019-08-29 10:12:06.392225034 +0200
+@@ -475,9 +475,10 @@ found in msvcrt (which indeed it isn't i
+ on this, just call qsort if we're Microsoft and single-instance.  I hope nobody
+ will try to compile multi-instance Pd for 32-bit windows, but if they
+ do, they might run into my qsort_s problem again. */
+-#if defined(_WIN32) && !defined(PDINSTANCE)
++#if (!defined(__GLIBC__) || defined(_WIN32)) && !defined(PDINSTANCE)
+ #define MICROSOFT_STUPID_SORT
+-static void *stupid_zkeyinfo;
++#include <threads.h>
++thread_local static void *stupid_zkeyinfo;
+ static int stupid_sortcompare(const void *z1, const void *z2) {
+     return (text_sortcompare(z1, z2, stupid_zkeyinfo)); }
+ #endif

srcpkgs/pd/template

@@ -1,7 +1,7 @@
 # Template file for 'pd'
 pkgname=pd
 version=0.50.0
-revision=1
+revision=2
 _ver=${version%.*}-${version##*.}
 wrksrc="$pkgname-$_ver"
 build_style=gnu-configure
@@ -15,6 +15,10 @@ license="BSD-3-Clause"
 homepage="https://puredata.info"
 distfiles="http://msp.ucsd.edu/Software/pd-$_ver.src.tar.gz"
 checksum=faeacdc24054cc6ce6be801ff5dd3eb7890352295d56c03406c5b85256b1e441
+case "$XBPS_TARGET_MACHINE" in
+	*-musl) # Causes pd to fail if qsort is used without thread local storage.
+		CFLAGS="-DMICROSOFT_STUPID_SORT" ;;
+esac
 
 pre_configure() {
 	./autogen.sh