zmusic: fix target endian detection

Use __BYTE_ORDER macro when ever it is defined and not just when using
glibc.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

diff --git a/games/zmusic/patches/100-fix-endian-detect-with-musl.patch b/games/zmusic/patches/100-fix-endian-detect-with-musl.patch
new file mode 100644 (file)
index 0000000..bc9f297
--- /dev/null
+++ b/games/zmusic/patches/100-fix-endian-detect-with-musl.patch
@@ -0,0 +1,11 @@
+--- a/thirdparty/game-music-emu/gme/blargg_endian.h
++++ b/thirdparty/game-music-emu/gme/blargg_endian.h
+@@ -20,7 +20,7 @@
+ // BLARGG_BIG_ENDIAN, BLARGG_LITTLE_ENDIAN: Determined automatically, otherwise only
+ // one may be #defined to 1. Only needed if something actually depends on byte order.
+ #if !defined (BLARGG_BIG_ENDIAN) && !defined (BLARGG_LITTLE_ENDIAN)
+-#ifdef __GLIBC__
++#ifdef __BYTE_ORDER
+       // GCC handles this for us
+       #include <endian.h>
+       #if __BYTE_ORDER == __LITTLE_ENDIAN