264 lines
7.3 KiB
HTML
264 lines
7.3 KiB
HTML
<h2>Comments</h2>
|
|
<pre><code># This is a comment
|
|
include foo # This is another comment</code></pre>
|
|
|
|
<h2>Targets</h2>
|
|
<pre><code>kbd.o command.o files.o : command.h
|
|
display.o insert.o search.o files.o : buffer.h
|
|
|
|
.PHONY: clean
|
|
clean:
|
|
rm *.o temp</code></pre>
|
|
|
|
<h2>Variables</h2>
|
|
<pre><code>objects = main.o kbd.o command.o display.o \
|
|
insert.o search.o files.o utils.o
|
|
|
|
edit : $(objects)
|
|
cc -o edit $(objects)
|
|
|
|
$(objects) : defs.h
|
|
|
|
%oo: $$< $$^ $$+ $$*
|
|
|
|
foo : bar/lose
|
|
cd $(@D) && gobble $(@F) > ../$@</code></pre>
|
|
|
|
<h2>Strings</h2>
|
|
<pre><code>STR = 'A string!'
|
|
|
|
HELLO = 'hello \
|
|
world'
|
|
|
|
HELLO2 = "hello \
|
|
world"</code></pre>
|
|
|
|
<h2>Directives</h2>
|
|
<pre><code>include foo *.mk $(bar)
|
|
|
|
vpath %.c foo
|
|
|
|
override define two-lines =
|
|
foo
|
|
$(bar)
|
|
endef
|
|
|
|
ifeq ($(CC),gcc)
|
|
libs=$(libs_for_gcc)
|
|
else
|
|
libs=$(normal_libs)
|
|
endif</code></pre>
|
|
|
|
<h2>Functions</h2>
|
|
<pre><code>whoami := $(shell whoami)
|
|
host-type := $(shell arch)
|
|
|
|
y = $(subst 1,2,$(x))
|
|
|
|
dirs := a b c d
|
|
files := $(foreach dir,$(dirs),$(wildcard $(dir)/*))
|
|
|
|
reverse = $(2) $(1)
|
|
foo = $(call reverse,a,b)
|
|
|
|
$(foreach prog,$(PROGRAMS),$(eval $(call PROGRAM_template,$(prog))))</code></pre>
|
|
|
|
<h2>Complete example</h2>
|
|
<pre><code>#!/usr/bin/make -f
|
|
# Generated automatically from Makefile.in by configure.
|
|
# Un*x Makefile for GNU tar program.
|
|
# Copyright (C) 1991 Free Software Foundation, Inc.
|
|
|
|
# This program is free software; you can redistribute
|
|
# it and/or modify it under the terms of the GNU
|
|
# General Public License …
|
|
…
|
|
…
|
|
|
|
SHELL = /bin/sh
|
|
|
|
#### Start of system configuration section. ####
|
|
|
|
srcdir = .
|
|
|
|
# If you use gcc, you should either run the
|
|
# fixincludes script that comes with it or else use
|
|
# gcc with the -traditional option. Otherwise ioctl
|
|
# calls will be compiled incorrectly on some systems.
|
|
CC = gcc -O
|
|
YACC = bison -y
|
|
INSTALL = /usr/local/bin/install -c
|
|
INSTALLDATA = /usr/local/bin/install -c -m 644
|
|
|
|
# Things you might add to DEFS:
|
|
# -DSTDC_HEADERS If you have ANSI C headers and
|
|
# libraries.
|
|
# -DPOSIX If you have POSIX.1 headers and
|
|
# libraries.
|
|
# -DBSD42 If you have sys/dir.h (unless
|
|
# you use -DPOSIX), sys/file.h,
|
|
# and st_blocks in `struct stat'.
|
|
# -DUSG If you have System V/ANSI C
|
|
# string and memory functions
|
|
# and headers, sys/sysmacros.h,
|
|
# fcntl.h, getcwd, no valloc,
|
|
# and ndir.h (unless
|
|
# you use -DDIRENT).
|
|
# -DNO_MEMORY_H If USG or STDC_HEADERS but do not
|
|
# include memory.h.
|
|
# -DDIRENT If USG and you have dirent.h
|
|
# instead of ndir.h.
|
|
# -DSIGTYPE=int If your signal handlers
|
|
# return int, not void.
|
|
# -DNO_MTIO If you lack sys/mtio.h
|
|
# (magtape ioctls).
|
|
# -DNO_REMOTE If you do not have a remote shell
|
|
# or rexec.
|
|
# -DUSE_REXEC To use rexec for remote tape
|
|
# operations instead of
|
|
# forking rsh or remsh.
|
|
# -DVPRINTF_MISSING If you lack vprintf function
|
|
# (but have _doprnt).
|
|
# -DDOPRNT_MISSING If you lack _doprnt function.
|
|
# Also need to define
|
|
# -DVPRINTF_MISSING.
|
|
# -DFTIME_MISSING If you lack ftime system call.
|
|
# -DSTRSTR_MISSING If you lack strstr function.
|
|
# -DVALLOC_MISSING If you lack valloc function.
|
|
# -DMKDIR_MISSING If you lack mkdir and
|
|
# rmdir system calls.
|
|
# -DRENAME_MISSING If you lack rename system call.
|
|
# -DFTRUNCATE_MISSING If you lack ftruncate
|
|
# system call.
|
|
# -DV7 On Version 7 Unix (not
|
|
# tested in a long time).
|
|
# -DEMUL_OPEN3 If you lack a 3-argument version
|
|
# of open, and want to emulate it
|
|
# with system calls you do have.
|
|
# -DNO_OPEN3 If you lack the 3-argument open
|
|
# and want to disable the tar -k
|
|
# option instead of emulating open.
|
|
# -DXENIX If you have sys/inode.h
|
|
# and need it 94 to be included.
|
|
|
|
DEFS = -DSIGTYPE=int -DDIRENT -DSTRSTR_MISSING \
|
|
-DVPRINTF_MISSING -DBSD42
|
|
# Set this to rtapelib.o unless you defined NO_REMOTE,
|
|
# in which case make it empty.
|
|
RTAPELIB = rtapelib.o
|
|
LIBS =
|
|
DEF_AR_FILE = /dev/rmt8
|
|
DEFBLOCKING = 20
|
|
|
|
CDEBUG = -g
|
|
CFLAGS = $(CDEBUG) -I. -I$(srcdir) $(DEFS) \
|
|
-DDEF_AR_FILE=\"$(DEF_AR_FILE)\" \
|
|
-DDEFBLOCKING=$(DEFBLOCKING)
|
|
LDFLAGS = -g
|
|
|
|
prefix = /usr/local
|
|
# Prefix for each installed program,
|
|
# normally empty or `g'.
|
|
binprefix =
|
|
|
|
# The directory to install tar in.
|
|
bindir = $(prefix)/bin
|
|
|
|
# The directory to install the info files in.
|
|
infodir = $(prefix)/info
|
|
|
|
#### End of system configuration section. ####
|
|
|
|
SRCS_C = tar.c create.c extract.c buffer.c \
|
|
getoldopt.c update.c gnu.c mangle.c \
|
|
version.c list.c names.c diffarch.c \
|
|
port.c wildmat.c getopt.c getopt1.c \
|
|
regex.c
|
|
SRCS_Y = getdate.y
|
|
SRCS = $(SRCS_C) $(SRCS_Y)
|
|
OBJS = $(SRCS_C:.c=.o) $(SRCS_Y:.y=.o) $(RTAPELIB)
|
|
|
|
AUX = README COPYING ChangeLog Makefile.in \
|
|
makefile.pc configure configure.in \
|
|
tar.texinfo tar.info* texinfo.tex \
|
|
tar.h port.h open3.h getopt.h regex.h \
|
|
rmt.h rmt.c rtapelib.c alloca.c \
|
|
msd_dir.h msd_dir.c tcexparg.c \
|
|
level-0 level-1 backup-specs testpad.c
|
|
|
|
.PHONY: all
|
|
all: tar rmt tar.info
|
|
|
|
tar: $(OBJS)
|
|
$(CC) $(LDFLAGS) -o $@ $(OBJS) $(LIBS)
|
|
|
|
rmt: rmt.c
|
|
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ rmt.c
|
|
|
|
tar.info: tar.texinfo
|
|
makeinfo tar.texinfo
|
|
|
|
.PHONY: install
|
|
install: all
|
|
$(INSTALL) tar $(bindir)/$(binprefix)tar
|
|
-test ! -f rmt || $(INSTALL) rmt /etc/rmt
|
|
$(INSTALLDATA) $(srcdir)/tar.info* $(infodir)
|
|
|
|
$(OBJS): tar.h port.h testpad.h
|
|
regex.o buffer.o tar.o: regex.h
|
|
# getdate.y has 8 shift/reduce conflicts.
|
|
|
|
testpad.h: testpad
|
|
./testpad
|
|
|
|
testpad: testpad.o
|
|
$(CC) -o $@ testpad.o
|
|
|
|
TAGS: $(SRCS)
|
|
etags $(SRCS)
|
|
|
|
.PHONY: clean
|
|
clean:
|
|
rm -f *.o tar rmt testpad testpad.h core
|
|
|
|
.PHONY: distclean
|
|
distclean: clean
|
|
rm -f TAGS Makefile config.status
|
|
|
|
.PHONY: realclean
|
|
realclean: distclean
|
|
rm -f tar.info*
|
|
|
|
.PHONY: shar
|
|
shar: $(SRCS) $(AUX)
|
|
shar $(SRCS) $(AUX) | compress \
|
|
> tar-`sed -e '/version_string/!d' \
|
|
-e 's/[^0-9.]*\([0-9.]*\).*/\1/' \
|
|
-e q
|
|
version.c`.shar.Z
|
|
|
|
.PHONY: dist
|
|
dist: $(SRCS) $(AUX)
|
|
echo tar-`sed \
|
|
-e '/version_string/!d' \
|
|
-e 's/[^0-9.]*\([0-9.]*\).*/\1/' \
|
|
-e q
|
|
version.c` > .fname
|
|
-rm -rf `cat .fname`
|
|
mkdir `cat .fname`
|
|
ln $(SRCS) $(AUX) `cat .fname`
|
|
tar chZf `cat .fname`.tar.Z `cat .fname`
|
|
-rm -rf `cat .fname` .fname
|
|
|
|
tar.zoo: $(SRCS) $(AUX)
|
|
-rm -rf tmp.dir
|
|
-mkdir tmp.dir
|
|
-rm tar.zoo
|
|
for X in $(SRCS) $(AUX) ; do \
|
|
echo $$X ; \
|
|
sed 's/$$/^M/' $$X \
|
|
> tmp.dir/$$X ; done
|
|
cd tmp.dir ; zoo aM ../tar.zoo *
|
|
-rm -rf tmp.dir
|
|
</code></pre>
|