Makefile: introduce NO_PTHREADS

diff --git a/read-cache.c b/read-cache.c
index fdb41b872e22ff8eb09c827416edf39c6031dc1d..22a814311d2cfc032129b43f6da56706c7026b9c 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -160,7 +160,7 @@ static int ce_modified_check_fs(struct cache_entry *ce, struct stat *st)
        return 0;
 }
 
-static int is_empty_blob_sha1(const unsigned char *sha1)
+int is_empty_blob_sha1(const unsigned char *sha1)
 {
        static const unsigned char empty_blob_sha1[20] = {
                0xe6,0x9d,0xe2,0x9b,0xb2,0xd1,0xd6,0x43,0x4b,0x8b,
@@ -1269,6 +1269,11 @@ int read_index_from(struct index_state *istate, const char *path)
        die("index file corrupt");
 }
 
+int is_index_unborn(struct index_state *istate)
+{
+       return (!istate->cache_nr && !istate->alloc && !istate->timestamp);
+}
+
 int discard_index(struct index_state *istate)
 {
        istate->cache_nr = 0;