contrib/hgsh/Makefile

ci-fix: backed out changeset 45afff0f530a

This changeset is part of a series that break Continuous integration on python 2
for about a week. As not concrete solution have been found so far the safer
seems to back it out until we can figure the details out.

Differential Revision: https://phab.mercurial-scm.org/D9948

CC := gcc
CFLAGS := -g -O2 -Wall -Werror

prefix ?= /usr/bin

hgsh: hgsh.o
	$(CC) -o $@ $<

install: hgsh
	install -m755 hgsh $(prefix)

clean:
	rm -f *.o hgsh