Convert the BUILD stamp to AC_ARG_WITH argument, so we can make the build reproducible
diff --git a/configure.ac b/configure.ac
index 6ef4b5c..e639d59 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3,7 +3,6 @@
AC_PREREQ([2.56])
AC_INIT([libjpeg-turbo], [1.4.1])
-BUILD=`date +%Y%m%d`
AM_INIT_AUTOMAKE([-Wall foreign dist-bzip2])
AC_PREFIX_DEFAULT(/opt/libjpeg-turbo)
@@ -22,6 +21,10 @@
AC_PROG_LIBTOOL
AC_PROG_LN_S
+AC_ARG_WITH([build-date], [Use custom build string to enable reproducible builds (default: YYMMDD)],
+ [BUILD="$with_build_date"],
+ [BUILD=`date +%Y%m%d`])
+
# When the prefix is /opt/libjpeg-turbo, we assume that an "official" binary is
# being created, and thus we install things into specific locations.