patch 8.2.1821: Vim9: concatenating to a NULL list doesn't work Commit: https://github.com/vim/vim/commit/1a73923705744ab8297dd856d194e20297563456 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Oct 10 15:37:58 2020 +0200 patch 8.2.1821: Vim9: concatenating to a NULL list doesn't work Problem: Vim9: concatenating to a NULL list doesn't work. Solution: Handle a NULL list like an empty list. (closes https://github.com/vim/vim/issues/7064)

# The most simplistic Makefile, for MinGW and Cygwin gcc on MS-DOS

ifndef USEDLL
USEDLL = no
endif

ifeq (yes, $(USEDLL))
DEFINES =
LIBS    = -lc
else
DEFINES =
LIBS    =
endif

CC = gcc
CFLAGS = -O2 -Wall -DWIN32 $(DEFINES)

ifneq (sh.exe, $(SHELL))
DEL = rm
else
DEL = del
endif

xxd.exe: xxd.c
	$(CC) $(CFLAGS) -s -o xxd.exe xxd.c $(LIBS)

clean:
	-$(DEL) xxd.exe