# getprogname
#
-version= $(shell sh get-version.sh)
-debversion= $(shell sh get-version.sh | sed -Ee 's/^v//;s/[.]([[:digit:]]+)[.](g[[:xdigit:]]+)$$/+\1+\2/')
+SH?= sh
+
+version= $(shell ${SH} get-version.sh)
+debversion= $(shell ${SH} get-version.sh | sed -Ee 's/^v//;s/[.]([[:digit:]]+)[.](g[[:xdigit:]]+)$$/+\1+\2/')
CC?= gcc
CFLAGS?= -O -pipe