--- Makefile.orig	2021-12-16 07:18:46 UTC
+++ Makefile
@@ -8,8 +8,8 @@ WIN32_CC ?= $(WIN32_DEV_TOP)/mingw-4.7.2/bin/gcc
 
 PKG_CONFIG ?= pkg-config
 
-REVISION_ID = $(shell hg id -i)
-REVISION_NUMBER = $(shell hg id -n)
+REVISION_ID = 
+REVISION_NUMBER = 
 DATE_FMT = %Y.%m.%d
 ifdef SOURCE_DATE_EPOCH
     BUILD_DATE ?= $(shell date -u -d "@$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)"  2>/dev/null || date -u -r "$(SOURCE_DATE_EPOCH)" "+$(DATE_FMT)" 2>/dev/null || date -u "+$(DATE_FMT)")