Fix usage of x2nmodp() when compiling for no threads.
diff --git a/pigz.c b/pigz.c
index e5a094a..7430e1e 100644
--- a/pigz.c
+++ b/pigz.c
@@ -545,7 +545,9 @@
int procs; // maximum number of compression threads (>= 1)
int setdict; // true to initialize dictionary in each thread
size_t block; // uncompressed input size per thread (>= 32K)
+#ifndef NOTHREAD
crc_t shift; // pre-calculated CRC-32 shift for length block
+#endif
// saved gzip/zip header data for decompression, testing, and listing
time_t stamp; // time stamp from gzip header
@@ -4286,13 +4288,13 @@
// blocksplittingmax = 15
ZopfliInitOptions(&g.zopts);
#endif
+ g.block = 131072UL; // 128K
#ifdef NOTHREAD
g.procs = 1;
#else
g.procs = nprocs(8);
-#endif
- g.block = 131072UL; // 128K
g.shift = x2nmodp(g.block, 3);
+#endif
g.rsync = 0; // don't do rsync blocking
g.setdict = 1; // initialize dictionary each thread
g.verbosity = 1; // normal message level
@@ -4480,7 +4482,9 @@
if (get == 1) {
n = num(arg);
g.block = n << 10; // chunk size
+#ifndef NOTHREAD
g.shift = x2nmodp(g.block, 3);
+#endif
if (g.block < DICT)
throw(EINVAL, "block size too small (must be >= 32K)");
if (n != g.block >> 10 ||
