configure.ac: Add --enable-64-bit-words option
The old 32 bit words the default which can be overridded with this
configure option.
diff --git a/configure.ac b/configure.ac
index 46cb916..993ac33 100644
--- a/configure.ac
+++ b/configure.ac
@@ -269,6 +269,15 @@
AC_ARG_ENABLE(stack-smash-protection,
AC_HELP_STRING([--enable-stack-smash-protection], [Enable GNU GCC stack smash protection]))
+AC_ARG_ENABLE(64-bit-words,
+ AC_HELP_STRING([--enable-64-bit-words], [Set FLAC__BYTES_PER_WORD to 8 (4 is the default)]))
+if test "x$enable_64_bit_words" = xyes ; then
+ AC_DEFINE_UNQUOTED([ENABLE_64_BIT_WORDS],1,[Set FLAC__BYTES_PER_WORD to 8 (4 is the default)])
+else
+ AC_DEFINE_UNQUOTED([ENABLE_64_BIT_WORDS],0)
+ fi
+AC_SUBST(ENABLE_64_BIT_WORDS)
+
AC_ARG_ENABLE(valgrind-testing,
AC_HELP_STRING([--enable-valgrind-testing], [Run all tests inside Valgrind]),
[case "${enableval}" in