OS X and clang fixes

src/decode.c

@@ -322,7 +322,10 @@ static inline uint32_t direct_get_fs(struct aec_stream *strm)
         state->bitp = 56;
     }
 
-#if HAVE_DECL___BUILTIN_CLZLL
+#ifndef __has_builtin
+#define __has_builtin(x) 0  /* Compatibility with non-clang compilers. */
+#endif
+#if HAVE_DECL___BUILTIN_CLZLL || __has_builtin(__builtin_clzll)
     i = 63 - __builtin_clzll(state->acc);
 #elif HAVE_BSR64
     _BitScanReverse64(&i, state->acc);

tests/bdec.sh

@@ -8,7 +8,7 @@ if [ ! -f bench.rz ]; then
     "${path}"/benc.sh
 fi
 rm -f dec.dat
-bsize=$(stat -c "%s" bench.dat)
+bsize=$(wc -c bench.dat | awk '{print $1}')
 utime=$(../src/utime $AEC -d -n16 -j64 -r256 -m bench.rz dec.dat 2>&1)
 perf=$(echo "$bsize/1048576/$utime" | bc)
 echo "*** Decoding with $perf MiB/s user time ***"

tests/benc.sh

@@ -23,6 +23,6 @@ if [ ! -f  bench.dat ]; then
 fi
 rm -f bench.rz
 utime=$(../src/utime $AEC -n16 -j64 -r256 -m bench.dat bench.rz 2>&1)
-bsize=$(stat -c "%s" bench.dat)
+bsize=$(wc -c bench.dat | awk '{print $1}')
 perf=$(echo "$bsize/1048576/$utime" | bc)
 echo "*** Encoding with $perf MiB/s user time ***"

tests/sampledata.sh

@@ -19,9 +19,13 @@ if [ ! -f $archive ]; then
 fi
 unzip -oq $archive
 
+filesize () {
+    wc -c $1 | awk '{print $1}'
+}
+
 decode () {
     $AEC -d $3 $1 test.dat
-    cmp -n $(stat -c "%s" $2) $2 test.dat
+    cmp -n $(filesize $2) $2 test.dat
 }
 
 code () {
@@ -31,7 +35,7 @@ code () {
 
 code_size () {
     $AEC $3 $2 test.rz
-    if [ ! $(stat -c "%s" test.rz) -eq $(stat -c "%s" $1) ]; then
+    if [ ! $(filesize test.rz) -eq $(filesize $1) ]; then
         echo "$1 size mismatch"
         exit 1
     fi
@@ -48,7 +52,7 @@ cosdec () {
 }
 
 echo All Options
-ln -f ${ALLO}/test_P512n22.dat ${ALLO}/test_p512n22.dat
+mv -f ${ALLO}/test_P512n22.dat ${ALLO}/test_p512n22.dat
 for i in 01 02 03 04
 do
     uf=$ALLO/test_p256n${i}.dat