1# makefile for cygwin on x86
2#   Builds both dll (with import lib) and static lib versions
3#   of the library, and builds two copies of pngtest: one
4#   statically linked and one dynamically linked.
5#
6# Copyright (C) 2002 Soren Anderson, Charles Wilson, and Glenn Randers-Pehrson
7#   based on makefile for linux-elf w/mmx by:
8# Copyright (C) 1998-2000 Greg Roelofs
9# Copyright (C) 1996, 1997 Andreas Dilger
10# For conditions of distribution and use, see copyright notice in png.h
11
12# This makefile intends to support building outside the src directory
13# if desired. When invoking it, specify an argument to SRCDIR on the
14# command line that points to the top of the directory where your source
15# is located.
16
17ifdef SRCDIR
18VPATH = $(SRCDIR)
19else
20SRCDIR = .
21endif
22
23# Override DESTDIR= on the make install command line to easily support
24# installing into a temporary location.  Example:
25#
26#    make install DESTDIR=/tmp/build/libpng
27#
28# If you're going to install into a temporary location
29# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
30# you execute make install.
31
32DESTDIR=
33
34# To enable assembler optimizations, add '-DPNG_USE_PNGGCCRD' to
35# $CFLAGS, and include pnggccrd.o in $OBJS, below, and in the dependency
36# list at the bottom of this makefile.
37
38CC=gcc
39ifdef MINGW
40MINGW_CCFLAGS=-mno-cygwin -I/usr/include/mingw
41MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
42endif
43
44# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
45ifndef prefix
46prefix=/usr
47$(warning You haven't specified a 'prefix=' location. Defaulting to "/usr")
48endif
49
50# Where the zlib library and include files are located
51ZLIBLIB= /usr/lib
52ZLIBINC=
53#ZLIBLIB=../zlib
54#ZLIBINC=../zlib
55
56ALIGN=
57# for i386:
58#ALIGN=-malign-loops=2 -malign-functions=2
59
60WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
61	-Wmissing-declarations -Wtraditional -Wcast-align \
62	-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
63
64### if you use the asm, add pnggccrd.o to the OBJS list
65###
66### if you don't need thread safety, but want the asm accel
67#CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_THREAD_UNSAFE_OK -DPNG_USE_PNGGCCRD \
68#	$(addprefix -I,$(ZLIBINC)) -Wall -O3 $(ALIGN) -funroll-loops \
69#	-fomit-frame-pointer)  # $(WARNMORE) -g -DPNG_DEBUG=5
70### if you need thread safety and want (minimal) asm accel
71#CFLAGS= $(strip $(MINGW_CCFLAGS) -DPNG_USE_PNGGCCRD $(addprefix -I,$(ZLIBINC)) \
72#	-Wall -O3 $(ALIGN) -funroll-loops \
73#	-fomit-frame-pointer)  # $(WARNMORE) -g -DPNG_DEBUG=5
74### Normal (non-asm) compilation
75CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
76        -Wall -O3 $(ALIGN) -funroll-loops \
77	-fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
78
79LIBNAME = libpng12
80PNGMAJ = 0
81CYGDLL = 12
82PNGMIN = 1.2.7
83PNGVER = $(PNGMAJ).$(PNGMIN)
84
85SHAREDLIB=cygpng$(CYGDLL).dll
86STATLIB=libpng.a
87IMPLIB=libpng.dll.a
88SHAREDDEF=libpng.def
89LIBS=$(SHAREDLIB) $(STATLIB)
90EXE=.exe
91
92LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz)
93LDSFLAGS=$(strip -shared -L.  $(MINGW_LDFLAGS) -Wl,--export-all)
94LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz
95
96MKDIR=/bin/mkdir -pv
97RANLIB=ranlib
98#RANLIB=echo
99
100INCPATH=$(prefix)/include
101LIBPATH=$(prefix)/lib
102
103BINPATH=$(prefix)/bin
104MANPATH=$(prefix)/man
105MAN3PATH=$(MANPATH)/man3
106MAN5PATH=$(MANPATH)/man5
107
108# cosmetic: shortened strings:
109S =$(SRCDIR)
110D =$(DESTDIR)
111DB =$(D)$(BINPATH)
112DI =$(D)$(INCPATH)
113DL =$(D)$(LIBPATH)
114
115OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
116	pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
117	pngwtran.o pngmem.o pngerror.o pngpread.o # pnggccrd.o
118
119OBJSDLL = $(OBJS:.o=.pic.o)
120
121.SUFFIXES: .c .o .pic.o
122
123%.o : %.c
124	$(CC) -c $(CFLAGS) -o $@ $<
125%.pic.o : CFLAGS += -DPNG_BUILD_DLL
126%.pic.o : %.c
127	$(CC) -c $(CFLAGS) -o $@ $<
128
129all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config
130
131# Make this to verify that "make [...] install" will do what you want.
132buildsetup-tell:
133	@echo  VPATH is set to: \"$(VPATH)\"
134	@echo  prefix is set to: \"$(prefix)\"
135	@echo -e INCPATH,LIBPATH, etc. are set to:'\n' \
136 $(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \
137   $(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n'
138
139libpng.pc: scripts/libpng.pc.in
140	@echo -e Making pkg-config file for this libpng installation..'\n' \
141           using PREFIX=\"$(prefix)\"'\n'
142	cat $(S)/scripts/libpng.pc.in | sed -e s\!@PREFIX@!$(prefix)! | \
143	   sed -e s/-lm// > libpng.pc
144
145libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in
146	@echo -e Making $(LIBNAME) libpng-config file for this libpng \
147 installation..'\n' using PREFIX=\"$(prefix)\"'\n'
148	( cat $(S)/scripts/libpng-config-head.in; \
149	echo prefix=\"$(prefix)\"; \
150	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
151	echo L_opts=\"-L$(LIBPATH)\"; \
152	echo libs=\"-lpng$(CYGDLL) -lz\"; \
153	cat $(S)/scripts/libpng-config-body.in ) > libpng-config
154	chmod +x libpng-config
155
156static: all-static
157shared: all-shared
158all-static: $(STATLIB) pngtest-stat$(EXE)
159all-shared: $(SHAREDLIB) pngtest$(EXE)
160
161pnggccrd.o: pnggccrd.c png.h pngconf.h
162	@echo ""
163	@echo '    You can ignore the "control reaches end of non-void function"'
164	@echo '    warning and "<variable> defined but not used" warnings:'
165	@echo ""
166	$(CC) -c $(CFLAGS) -o $@ $<
167
168pnggccrd.pic.o:	pnggccrd.c png.h pngconf.h
169	@echo ""
170	@echo '    You can ignore the "control reaches end of non-void function"'
171	@echo '    warning and "<variable> defined but not used" warnings:'
172	@echo ""
173	$(CC) -c $(CFLAGS) -DPNG_BUILD_DLL -o $@ $<
174
175$(STATLIB): $(OBJS)
176	ar rc $@ $(OBJS)
177	$(RANLIB) $@
178
179$(SHAREDDEF): scripts/png32ms.def
180	cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \
181	sed -e 's/\([^;]*\);/;/' > $@
182
183$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)
184	$(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA)
185
186pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)
187	$(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
188
189pngtest-stat$(EXE): pngtest.o $(STATLIB)
190	$(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@
191
192pngtest.pic.o: pngtest.c
193	$(CC) $(CFLAGS) -c $< -o $@
194
195pngtest.o: pngtest.c
196	$(CC) $(CFLAGS) -c $< -o $@
197
198test: test-static test-shared
199
200test-static: pngtest-stat$(EXE)
201	./pngtest-stat $(S)/pngtest.png
202
203test-shared: pngtest$(EXE)
204	./pngtest $(S)/pngtest.png
205
206install-static: $(STATLIB) install-headers install-man
207	-@if [ ! -d $(DL) ]; then $(MKDIR) $(DL); fi
208	install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a
209	-@rm -f $(DL)/$(STATLIB)
210	(cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))
211
212install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man
213	-@if [ ! -d $(DL) ]; then $(MKDIR) $(DL); fi
214	-@if [ ! -d $(DB) ]; then $(MKDIR) $(DB); fi
215	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR) $(DL)/pkgconfig; fi
216	-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
217	-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
218	install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a
219	-@rm -f $(DL)/$(IMPLIB)
220	(cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))
221	install -s -m 755 $(SHAREDLIB) $(DB)
222	install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
223	(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
224
225install-headers:
226	-@if [ ! -d $(DI) ]; then $(MKDIR) $(DI); fi
227	-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR) $(DI)/$(LIBNAME); fi
228	-@rm -f $(DI)/png.h
229	-@rm -f $(DI)/pngconf.h
230	install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)
231	-@rm -f $(DI)/libpng
232	(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
233
234install-man:
235	-@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR) $(D)$(MAN3PATH); fi
236	-@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR) $(D)$(MAN5PATH); fi
237	install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)
238	install -m 644 $(S)/png.5 $(D)$(MAN5PATH)
239
240install-config: libpng-config
241	-@if [ ! -d $(DB) ]; then mkdir $(DB); fi
242	-@/bin/rm -f $(DB)/libpng-config
243	-@/bin/rm -f $(DB)/$(LIBNAME)-config
244	cp libpng-config $(DB)/$(LIBNAME)-config
245	chmod 755 $(DB)/$(LIBNAME)-config
246	(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
247
248# Run this to verify that a future `configure' run will pick up the settings
249# you want.
250test-config-install: SHELL=/bin/bash
251test-config-install: $(DB)/libpng-config
252	@echo -e Testing libpng-config functions...'\n'
253	@ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \
254   do \
255    printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \
256    "$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
257    gytiu=$$(( $$gytiu + 1 )); \
258   done
259
260install: install-static install-shared install-man install-config
261
262# If you installed in $(DESTDIR), test-installed won't work until you
263# move the library to its final location.  Use test-dd to test it
264# before then.
265
266test-dd:
267	echo
268	echo Testing installed dynamic shared library in $(DL).
269	$(CC) -I$(DI) $(CFLAGS) \
270	   `$(BINPATH)/libpng12-config --cflags` pngtest.c \
271	   -L$(DL) -L$(ZLIBLIB) \
272	   -o pngtestd `$(BINPATH)/libpng12-config --ldflags`
273	./pngtestd pngtest.png
274
275test-installed:
276	$(CC) $(CFLAGS) \
277	   `$(BINPATH)/libpng12-config --cflags` pngtest.c \
278	   -L$(ZLIBLIB) \
279	   -o pngtesti$(EXE) `$(BINPATH)/libpng12-config --ldflags`
280	./pngtesti$(EXE) pngtest.png
281
282clean:
283	/bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \
284	pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \
285	libpng-config libpng.pc pngtesti$(EXE)
286
287DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
288writelock:
289	chmod a-w *.[ch35] $(DOCS) scripts/*
290
291.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean
292
293# DO NOT DELETE THIS LINE -- make depend depends on it.
294
295png.o png.pic.o:		png.h pngconf.h png.c
296pngerror.o pngerror.pic.o:	png.h pngconf.h pngerror.c
297pngrio.o pngrio.pic.o:		png.h pngconf.h pngrio.c
298pngwio.o pngwio.pic.o:		png.h pngconf.h pngwio.c
299pngmem.o pngmem.pic.o:		png.h pngconf.h pngmem.c
300pngset.o pngset.pic.o:		png.h pngconf.h pngset.c
301pngget.o pngget.pic.o:		png.h pngconf.h pngget.c
302pngread.o pngread.pic.o:	png.h pngconf.h pngread.c
303pngrtran.o pngrtran.pic.o:	png.h pngconf.h pngrtran.c
304pngrutil.o pngrutil.pic.o:	png.h pngconf.h pngrutil.c
305pngtrans.o pngtrans.pic.o:	png.h pngconf.h pngtrans.c
306pngwrite.o pngwrite.pic.o:	png.h pngconf.h pngwrite.c
307pngwtran.o pngwtran.pic.o:	png.h pngconf.h pngwtran.c
308pngwutil.o pngwutil.pic.o:	png.h pngconf.h pngwutil.c
309pngpread.o pngpread.pic.o:	png.h pngconf.h pngpread.c
310
311pngtest.o:			png.h pngconf.h pngtest.c
312pngtest-stat.o:			png.h pngconf.h pngtest.c
313
314
315
316