commit https://github.com/vim/vim/commit/a1e24b9bc9123ff6dd23e3cac2287a4411ef5572 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Feb 18 20:18:09 2016 +0100 patch 7.4.1346 Problem: Compiler warnings in build with -O2. Solution: Add inintializations.

# A very (if not the most) simplistic Makefile for OS/2

CC=gcc
CFLAGS=-O2 -fno-strength-reduce

tee.exe: tee.o
	$(CC) $(CFLAGS) -s -o $@ $<

tee.o: tee.c
	$(CC) $(CFLAGS) -c $<

clean:
	- del tee.o
	- del tee.exe