makefile
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
# Makefile for PngMinus (pnm2pngm)
# Linux / Unix
#CC=cc
CC=gcc
LD=$(CC)
# If awk fails try
# make AWK=nawk
# If cpp fails try
# make CPP=/lib/cpp
RM=rm -f
COPY=cp
CFLAGS=-DPNG_USER_CONFIG -DNO_GZIP -I. -O1
C=.c
O=.o
L=.a
E=
# Where to find the source code:
PNGSRC =../../..
ZLIBSRC=$(PNGSRC)/../zlib
PROGSRC=$(PNGSRC)/contrib/pngminus
# Zlib
ZSRCS = adler32$(C) compress$(C) crc32$(C) deflate$(C) \
trees$(C) zutil$(C)
# Standard headers
#ZH = zlib.h crc32.h deflate.h trees.h zutil.h
ZH = zlib.h crc32.h deflate.h trees.h zutil.h
# Machine generated headers
ZCONF = zconf.h
# Headers callers use
ZINC = zlib.h $(ZCONF)
# Headers the Zlib source uses
ZHDRS = $(ZH) $(ZCONF)
# compress is not required; it is needed to link the zlib
# code because deflate defines an unused API function deflateBound
# which itself calls compressBound from compress.
ZOBJS = adler32$(O) compress$(O) crc32$(O) deflate$(O) \
trees$(O) zutil$(O)
# libpng
PNGSRCS=png$(C) pngerror$(C) pngget$(C) pngmem$(C) \
pngset$(C) pngtrans$(C) pngwio$(C) pngwrite$(C) \
pngwtran$(C) pngwutil$(C)
# Standard headers
PNGH =png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h
# Machine generated headers
PNGCONF=pnglibconf.h
# Headers callers use
PNGINC= png.h pngconf.h pngusr.h $(PNGCONF)
# Headers the PNG library uses
PNGHDRS=$(PNGH) $(PNGCONF) pngusr.h
PNGOBJS=png$(O) pngerror$(O) pngget$(O) pngmem$(O) \
pngset$(O) pngtrans$(O) pngwio$(O) pngwrite$(O) \
pngwtran$(O) pngwutil$(O)
PROGSRCS= pnm2pngm$(C)
PROGHDRS=
PROGDOCS=
PROGOBJS= pnm2pngm$(O)
OBJS = $(PROGOBJS) $(PNGOBJS) $(ZOBJS)
# implicit make rules -------------------------------------------------------
.c$(O):
$(CC) -c $(CFLAGS) $<
# dependencies
all: pnm2pngm$(E)
pnm2pngm$(E): $(OBJS)
$(LD) -o pnm2pngm$(E) $(OBJS)
# The DFA_XTRA setting turns all libpng options off then
# turns on those required for this minimal build.
# The CPP_FLAGS setting causes pngusr.h to be included in
# both the build of pnglibconf.h and, subsequently, when
# building libpng itself.
$(PNGCONF): $(PNGSRC)/scripts/pnglibconf.mak\
$(PNGSRC)/scripts/pnglibconf.dfa \
$(PNGSRC)/scripts/options.awk pngusr.h pngusr.dfa
$(RM) pnglibconf.h pnglibconf.dfn
$(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
srcdir=$(PNGSRC) CPPFLAGS="-DPNG_USER_CONFIG"\
DFA_XTRA="pngusr.dfa" $@
clean:
$(MAKE) $(MAKEFLAGS) -f $(PNGSRC)/scripts/pnglibconf.mak\
srcdir=$(PNGSRC) clean
$(RM) pnm2pngm$(O)
$(RM) pnm2pngm$(E)
$(RM) $(OBJS)
# distclean also removes the copied source and headers
distclean: clean
$(RM) -r scripts # historical reasons
$(RM) $(PNGSRCS) $(PNGH)
$(RM) $(ZSRCS) $(ZH) $(ZCONF)
$(RM) $(PROGSRCS) $(PROGHDRS) $(PROGDOCS)
# Header file dependencies:
$(PROGOBJS): $(PROGHDRS) $(PNGINC) $(ZINC)
$(PNGOBJS): $(PNGHDRS) $(ZINC)
$(ZOBJS): $(ZHDRS)
# Gather the source code from the respective directories
$(PNGSRCS) $(PNGH): $(PNGSRC)/$@
$(RM) $@
$(COPY) $(PNGSRC)/$@ $@
# No dependency on the ZLIBSRC target so that it only needs
# to be specified once.
$(ZSRCS) $(ZH):
$(RM) $@
$(COPY) $(ZLIBSRC)/$@ $@
# The unconfigured zconf.h varies in name according to the
# zlib release
$(ZCONF):
$(RM) $@
@for f in zconf.h.in zconf.in.h zconf.h; do\
test -r $(ZLIBSRC)/$$f &&\
echo $(COPY) $(ZLIBSRC)/$$f $@ &&\
$(COPY) $(ZLIBSRC)/$$f $@ && exit 0;\
done; echo copy: $(ZLIBSRC)/zconf.h not found; exit 1
pnm2pngm.c: $(PROGSRC)/pnm2png.c
$(RM) $@
$(COPY) $(PROGSRC)/pnm2png.c $@
# End of makefile for pnm2pngm