1+ < h1 > Makefile</ h1 >
2+ < p > To use this language, use the class "language-makefile".</ p >
3+
4+ < h2 > Comments</ h2 >
5+ < pre > < code > # This is a comment
6+ include foo # This is another comment</ code > </ pre >
7+
8+ < h2 > Targets</ h2 >
9+ < pre > < code > kbd.o command.o files.o : command.h
10+ display.o insert.o search.o files.o : buffer.h
11+
12+ .PHONY: clean
13+ clean:
14+ rm *.o temp</ code > </ pre >
15+
16+ < h2 > Variables</ h2 >
17+ < pre > < code > objects = main.o kbd.o command.o display.o \
18+ insert.o search.o files.o utils.o
19+
20+ edit : $(objects)
21+ cc -o edit $(objects)
22+
23+ $(objects) : defs.h
24+
25+ %oo: $$< $$^ $$+ $$*
26+
27+ foo : bar/lose
28+ cd $(@D) && gobble $(@F) > ../$@</ code > </ pre >
29+
30+ < h2 > Strings</ h2 >
31+ < pre > < code > STR = 'A string!'
32+
33+ HELLO = 'hello \
34+ world'
35+
36+ HELLO2 = "hello \
37+ world"</ code > </ pre >
38+
39+ < h2 > Directives</ h2 >
40+ < pre > < code > include foo *.mk $(bar)
41+
42+ vpath %.c foo
43+
44+ override define two-lines =
45+ foo
46+ $(bar)
47+ endef
48+
49+ ifeq ($(CC),gcc)
50+ libs=$(libs_for_gcc)
51+ else
52+ libs=$(normal_libs)
53+ endif</ code > </ pre >
54+
55+ < h2 > Functions</ h2 >
56+ < pre > < code > whoami := $(shell whoami)
57+ host-type := $(shell arch)
58+
59+ y = $(subst 1,2,$(x))
60+
61+ dirs := a b c d
62+ files := $(foreach dir,$(dirs),$(wildcard $(dir)/*))
63+
64+ reverse = $(2) $(1)
65+ foo = $(call reverse,a,b)
66+
67+ $(foreach prog,$(PROGRAMS),$(eval $(call PROGRAM_template,$(prog))))</ code > </ pre >
68+
69+ < h2 > Complete example</ h2 >
70+ < pre > < code > #!/usr/bin/make -f
71+ # Generated automatically from Makefile.in by configure.
72+ # Un*x Makefile for GNU tar program.
73+ # Copyright (C) 1991 Free Software Foundation, Inc.
74+
75+ # This program is free software; you can redistribute
76+ # it and/or modify it under the terms of the GNU
77+ # General Public License …
78+ …
79+ …
80+
81+ SHELL = /bin/sh
82+
83+ #### Start of system configuration section. ####
84+
85+ srcdir = .
86+
87+ # If you use gcc, you should either run the
88+ # fixincludes script that comes with it or else use
89+ # gcc with the -traditional option. Otherwise ioctl
90+ # calls will be compiled incorrectly on some systems.
91+ CC = gcc -O
92+ YACC = bison -y
93+ INSTALL = /usr/local/bin/install -c
94+ INSTALLDATA = /usr/local/bin/install -c -m 644
95+
96+ # Things you might add to DEFS:
97+ # -DSTDC_HEADERS If you have ANSI C headers and
98+ # libraries.
99+ # -DPOSIX If you have POSIX.1 headers and
100+ # libraries.
101+ # -DBSD42 If you have sys/dir.h (unless
102+ # you use -DPOSIX), sys/file.h,
103+ # and st_blocks in `struct stat'.
104+ # -DUSG If you have System V/ANSI C
105+ # string and memory functions
106+ # and headers, sys/sysmacros.h,
107+ # fcntl.h, getcwd, no valloc,
108+ # and ndir.h (unless
109+ # you use -DDIRENT).
110+ # -DNO_MEMORY_H If USG or STDC_HEADERS but do not
111+ # include memory.h.
112+ # -DDIRENT If USG and you have dirent.h
113+ # instead of ndir.h.
114+ # -DSIGTYPE=int If your signal handlers
115+ # return int, not void.
116+ # -DNO_MTIO If you lack sys/mtio.h
117+ # (magtape ioctls).
118+ # -DNO_REMOTE If you do not have a remote shell
119+ # or rexec.
120+ # -DUSE_REXEC To use rexec for remote tape
121+ # operations instead of
122+ # forking rsh or remsh.
123+ # -DVPRINTF_MISSING If you lack vprintf function
124+ # (but have _doprnt).
125+ # -DDOPRNT_MISSING If you lack _doprnt function.
126+ # Also need to define
127+ # -DVPRINTF_MISSING.
128+ # -DFTIME_MISSING If you lack ftime system call.
129+ # -DSTRSTR_MISSING If you lack strstr function.
130+ # -DVALLOC_MISSING If you lack valloc function.
131+ # -DMKDIR_MISSING If you lack mkdir and
132+ # rmdir system calls.
133+ # -DRENAME_MISSING If you lack rename system call.
134+ # -DFTRUNCATE_MISSING If you lack ftruncate
135+ # system call.
136+ # -DV7 On Version 7 Unix (not
137+ # tested in a long time).
138+ # -DEMUL_OPEN3 If you lack a 3-argument version
139+ # of open, and want to emulate it
140+ # with system calls you do have.
141+ # -DNO_OPEN3 If you lack the 3-argument open
142+ # and want to disable the tar -k
143+ # option instead of emulating open.
144+ # -DXENIX If you have sys/inode.h
145+ # and need it 94 to be included.
146+
147+ DEFS = -DSIGTYPE=int -DDIRENT -DSTRSTR_MISSING \
148+ -DVPRINTF_MISSING -DBSD42
149+ # Set this to rtapelib.o unless you defined NO_REMOTE,
150+ # in which case make it empty.
151+ RTAPELIB = rtapelib.o
152+ LIBS =
153+ DEF_AR_FILE = /dev/rmt8
154+ DEFBLOCKING = 20
155+
156+ CDEBUG = -g
157+ CFLAGS = $(CDEBUG) -I. -I$(srcdir) $(DEFS) \
158+ -DDEF_AR_FILE=\"$(DEF_AR_FILE)\" \
159+ -DDEFBLOCKING=$(DEFBLOCKING)
160+ LDFLAGS = -g
161+
162+ prefix = /usr/local
163+ # Prefix for each installed program,
164+ # normally empty or `g'.
165+ binprefix =
166+
167+ # The directory to install tar in.
168+ bindir = $(prefix)/bin
169+
170+ # The directory to install the info files in.
171+ infodir = $(prefix)/info
172+
173+ #### End of system configuration section. ####
174+
175+ SRCS_C = tar.c create.c extract.c buffer.c \
176+ getoldopt.c update.c gnu.c mangle.c \
177+ version.c list.c names.c diffarch.c \
178+ port.c wildmat.c getopt.c getopt1.c \
179+ regex.c
180+ SRCS_Y = getdate.y
181+ SRCS = $(SRCS_C) $(SRCS_Y)
182+ OBJS = $(SRCS_C:.c=.o) $(SRCS_Y:.y=.o) $(RTAPELIB)
183+
184+ AUX = README COPYING ChangeLog Makefile.in \
185+ makefile.pc configure configure.in \
186+ tar.texinfo tar.info* texinfo.tex \
187+ tar.h port.h open3.h getopt.h regex.h \
188+ rmt.h rmt.c rtapelib.c alloca.c \
189+ msd_dir.h msd_dir.c tcexparg.c \
190+ level-0 level-1 backup-specs testpad.c
191+
192+ .PHONY: all
193+ all: tar rmt tar.info
194+
195+ tar: $(OBJS)
196+ $(CC) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
197+
198+ rmt: rmt.c
199+ $(CC) $(CFLAGS) $(LDFLAGS) -o $@ rmt.c
200+
201+ tar.info: tar.texinfo
202+ makeinfo tar.texinfo
203+
204+ .PHONY: install
205+ install: all
206+ $(INSTALL) tar $(bindir)/$(binprefix)tar
207+ -test ! -f rmt || $(INSTALL) rmt /etc/rmt
208+ $(INSTALLDATA) $(srcdir)/tar.info* $(infodir)
209+
210+ $(OBJS): tar.h port.h testpad.h
211+ regex.o buffer.o tar.o: regex.h
212+ # getdate.y has 8 shift/reduce conflicts.
213+
214+ testpad.h: testpad
215+ ./testpad
216+
217+ testpad: testpad.o
218+ $(CC) -o $@ testpad.o
219+
220+ TAGS: $(SRCS)
221+ etags $(SRCS)
222+
223+ .PHONY: clean
224+ clean:
225+ rm -f *.o tar rmt testpad testpad.h core
226+
227+ .PHONY: distclean
228+ distclean: clean
229+ rm -f TAGS Makefile config.status
230+
231+ .PHONY: realclean
232+ realclean: distclean
233+ rm -f tar.info*
234+
235+ .PHONY: shar
236+ shar: $(SRCS) $(AUX)
237+ shar $(SRCS) $(AUX) | compress \
238+ > tar-`sed -e '/version_string/!d' \
239+ -e 's/[^0-9.]*\([0-9.]*\).*/\1/' \
240+ -e q
241+ version.c`.shar.Z
242+
243+ .PHONY: dist
244+ dist: $(SRCS) $(AUX)
245+ echo tar-`sed \
246+ -e '/version_string/!d' \
247+ -e 's/[^0-9.]*\([0-9.]*\).*/\1/' \
248+ -e q
249+ version.c` > .fname
250+ -rm -rf `cat .fname`
251+ mkdir `cat .fname`
252+ ln $(SRCS) $(AUX) `cat .fname`
253+ tar chZf `cat .fname`.tar.Z `cat .fname`
254+ -rm -rf `cat .fname` .fname
255+
256+ tar.zoo: $(SRCS) $(AUX)
257+ -rm -rf tmp.dir
258+ -mkdir tmp.dir
259+ -rm tar.zoo
260+ for X in $(SRCS) $(AUX) ; do \
261+ echo $$X ; \
262+ sed 's/$$/^M/' $$X \
263+ > tmp.dir/$$X ; done
264+ cd tmp.dir ; zoo aM ../tar.zoo *
265+ -rm -rf tmp.dir
266+ </ code > </ pre >
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