wayfire: fix build on musl

srcpkgs/wayfire/patches/ulong.patch

@@ -0,0 +1,22 @@
+--- src/api/img.hpp	2019-02-05 15:46:42.000000000 +0100
++++ -	2019-02-13 14:59:35.302813580 +0100
+@@ -5,8 +5,6 @@
+ #include <GLES2/gl2.h>
+ #include <string>
+ 
+-#define ulong unsigned long
+-
+ namespace image_io
+ {
+     /* Load the image from the given file, binding it to the given GL texture target
+--- src/core/img.cpp	2019-02-05 15:46:42.000000000 +0100
++++ -	2019-02-13 14:59:57.760169039 +0100
+@@ -19,7 +19,7 @@
+ 
+ namespace image_io {
+     using Loader = std::function<bool(const char *, GLuint)>;
+-    using Writer = std::function<void(const char *name, uint8_t *pixels, ulong, ulong)>;
++    using Writer = std::function<void(const char *name, uint8_t *pixels, unsigned long, unsigned long)>;
+     namespace {
+         std::unordered_map<std::string, Loader> loaders;
+         std::unordered_map<std::string, Writer> writers;

srcpkgs/wayfire/template

@@ -12,8 +12,8 @@ homepage="https://wayfire.org"
 distfiles="https://github.com/WayfireWM/wayfire/archive/v${version}.tar.gz"
 checksum=ce6ed0ba62296992f4a0c05b92d05b33911d1d192346611df845414ffd9a18b8
 
-case "$XBPS_TARGET_MACHINE" in
-	*-musl) broken="execinfo.h" ;;
+case $XBPS_TARGET_MACHINE in
+	*-musl) makedepends+=" libexecinfo-devel"
 esac
 
 post_install() {