a2jmidid: fix musl build, nopie=yes

srcpkgs/a2jmidid/patches/musl-no-execinfo.patch

@@ -0,0 +1,29 @@
+--- sigsegv.c.orig	2016-06-06 15:56:47.355074711 +0200
++++ sigsegv.c	2016-06-06 15:55:40.740071274 +0200
+@@ -28,7 +28,9 @@
+ #include <signal.h>
+ #include <ucontext.h>
+ #include <dlfcn.h>
++#if defined(__GLIBC__)
+ #include <execinfo.h>
++#endif
+ #include <errno.h>
+ #ifndef NO_CPP_DEMANGLE
+ //#include <cxxabi.h>
+@@ -145,13 +147,15 @@
+         ip = bp[1];
+         bp = (void**)bp[0];
+     }
+-#else
++#elif defined(__GLIBC__)
+     a2j_error("Stack trace (non-dedicated):");
+     sz = backtrace(bt, 20);
+     strings = backtrace_symbols(bt, sz);
+ 
+     for(i = 0; i < sz; ++i)
+         a2j_error("%s", strings[i]);
++#else
++    a2j_error("Stack trace unavailable");
+ #endif
+     a2j_error("End of stack trace");
+     exit (-1);

srcpkgs/a2jmidid/template

@@ -1,7 +1,7 @@
 # Template file for 'a2jmidid'
 pkgname=a2jmidid
 version=8
-revision=4
+revision=5
 build_style=waf
 hostmakedepends="python pkg-config"
 makedepends="alsa-lib-devel jack-devel dbus-devel"
@@ -11,6 +11,7 @@ homepage="http://home.gna.org/a2jmidid/"
 license="GPL-2"
 distfiles="http://download.gna.org/${pkgname}/${pkgname}-${version}.tar.bz2"
 checksum=2a9635f62aabc59edb54ada07048dd47e896b90caff94bcee710d3582606f55f
+nopie=yes
 
 do_configure() {
 	python waf configure --prefix=/usr