Override git sha1 implementation

recipes/git/recipe.sh

@@ -16,7 +16,7 @@ export RANLIB="${HOST}-ranlib"
 export READELF="${HOST}-readelf"
 export STRIP="${HOST}-strip"
 
-MAKEFLAGS="NO_MMAP=1 NEEDS_SSL_WITH_CURL=1 NEEDS_CRYPTO_WITH_SSL=1 NO_UNIX_SOCKETS=1 NO_POLL=1 NEEDS_LIBICONV= NEEDS_LIBRT="
+MAKEFLAGS="NO_MMAP=1 NEEDS_SSL_WITH_CURL=1 NEEDS_CRYPTO_WITH_SSL=1 NO_UNIX_SOCKETS=1 NO_POLL=1 NEEDS_LIBICONV= NEEDS_LIBRT= BLK_SHA1=1"
 
 function recipe_version {
     echo "$VERSION"