Export WORDS_BIGENDIAN to pkg-config unless someone knows better

configure.ac

@@ -5598,6 +5598,12 @@ dnl
 dnl  Endianness check
 dnl
 AC_C_BIGENDIAN
+AS_IF([test "${ac_cv_c_bigendian}" = "yes"], [
+  DEFS_BIGENDIAN="-DWORDS_BIGENDIAN=1"
+], [
+  DEFS_BIGENDIAN=""
+])
+AC_SUBST(DEFS_BIGENDIAN)
 
 dnl
 dnl  DLL loader copied from MPlayer copied from somewhere else (WINE ?)

src/check_headers

@@ -7,6 +7,7 @@ cd "$(dirname "$0")" || exit $?
 # There are incorrect, as external users don't have our <config.h>.
 regexp="$(cat ../config.h.in | \
 	sed -n -e 's/^#undef \([A-Z0-9_]*\)$/\1/p' | \
+	grep -v 'WORDS_BIGENDIAN' | \
 	xargs | \
 	sed -e 's/ /\\\|/g')"
 

src/vlc-plugin.pc.in

@@ -10,6 +10,7 @@ Cflags: -I${includedir} -I${includedir}/vlc/plugins \
 	-D_FILE_OFFSET_BITS=64 \
 	-D__USE_UNIX98 \
 	-D_LARGEFILE64_SOURCE \
+	@DEFS_BIGENDIAN@ \
 	-D_REENTRANT \
 	-D_THREAD_SAFE
 Libs: -L${libdir} -lvlccore