1# makefile for libpng using MSYS/gcc (shared, static library)
2# Copyright (C) 2012 Glenn Randers-Pehrson and Christopher M. Wheeler
3#
4# Portions taken from makefile.linux:
5# Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2014 Greg Roelofs and
6# Glenn Randers-Pehrson
7# Copyright (C) 2000 Cosmin Truta
8# Copyright (C) 1996, 1997 Andreas Dilger
9# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
10#
11# This code is released under the libpng license.
12# For conditions of distribution and use, see the disclaimer
13# and license in png.h
14# # # # # # # # # # # # # # # # #
15prefix=/usr/local
16exec_prefix=$(prefix)
17
18# Library name:
19LIBNAME = libpng16
20PNGMAJ = 16
21RELEASE = 10
22
23# Shared library names:
24LIBSO=$(LIBNAME).dll
25LIBSOMAJ=$(LIBNAME).dll.$(PNGMAJ)
26LIBSOREL=$(PNGMAJ).$(RELEASE)
27OLDSO=libpng.dll
28
29# Where the zlib library and include files are located.
30#ZLIBLIB=../zlib
31#ZLIBINC=../zlib
32ZLIBLIB=/usr/local/lib
33ZLIBINC=/usr/local/include
34
35# Compiler, linker, lib and other tools
36CC = gcc
37LD = $(CC)
38AR_RC = ar rcs
39RANLIB = ranlib
40RM_F = rm -rf
41MKDIR_P=mkdir -p
42LN_SF=ln -sf
43
44#ARCH = -march=pentium3
45#ARCH = -march=i686
46ARCH =
47CPPFLAGS = # -DPNG_DEBUG=5
48CFLAGS = -W -Wall -O2 $(ARCH) # -g
49LDFLAGS =
50LIBS = -lz -lm
51
52# File extensions
53EXEEXT=.exe
54
55INCPATH=$(prefix)/include
56LIBPATH=$(exec_prefix)/lib
57MANPATH=$(prefix)/man
58BINPATH=$(exec_prefix)/bin
59
60# override DESTDIR= on the make install command line to easily support
61# installing into a temporary location.  Example:
62#
63#    make install DESTDIR=/tmp/build/libpng
64#
65# If you're going to install into a temporary location
66# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
67# you execute make install.
68
69DESTDIR=
70
71DB=$(DESTDIR)$(BINPATH)
72DI=$(DESTDIR)$(INCPATH)
73DL=$(DESTDIR)$(LIBPATH)
74DM=$(DESTDIR)$(MANPATH)
75
76# Variables
77OBJS =  png.o pngerror.o pngget.o pngmem.o pngpread.o \
78	pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o \
79	pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o
80
81# Targets
82all: static shared
83
84# see scripts/pnglibconf.mak for more options
85pnglibconf.h: scripts/pnglibconf.h.prebuilt
86	cp scripts/pnglibconf.h.prebuilt $@
87
88.c.o:
89	$(CC) -c $(CPPFLAGS) $(CFLAGS) $<
90
91static: libpng.a pngtest$(EXEEXT)
92
93shared: $(LIBSOMAJ)
94	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSO)
95
96$(LIBSO): $(LIBSOMAJ)
97	$(LN_SF) $(LIBSOMAJ) $(LIBSO)
98
99$(LIBSOMAJ):
100	$(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ)
101
102libpng.a: $(OBJS)
103	$(AR_RC) $@ $(OBJS)
104	$(RANLIB) $@
105
106install-headers: png.h pngconf.h pnglibconf.h
107	-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
108	-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
109	cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
110	-@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
111	-@$(RM_F) $(DI)/libpng
112	(cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
113
114install-static: install-headers libpng.a
115	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
116	cp libpng.a $(DL)/$(LIBNAME).a
117	-@$(RM_F) $(DL)/libpng.a
118	(cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
119
120libpng.pc:
121	cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
122	-e s!@exec_prefix@!$(exec_prefix)! \
123	-e s!@libdir@!$(LIBPATH)! \
124	-e s!@includedir@!$(INCPATH)! \
125	-e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc
126
127libpng-config:
128	( cat scripts/libpng-config-head.in; \
129	echo prefix=\"$(prefix)\"; \
130	echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
131	echo L_opts=\"-L$(LIBPATH)\"; \
132	echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
133	echo libs=\"-lpng16 -lz -lm\"; \
134	cat scripts/libpng-config-body.in ) > libpng-config
135
136install-shared: install-headers $(LIBSOMAJ) libpng.pc
137	-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
138	-@$(RM_F) $(DL)/$(LIBSO)
139	-@$(RM_F) $(DL)/$(OLDSO)
140	cp $(LIBSO) $(DL)/$(LIBSOREL)
141	(cd $(DL); \
142	$(LN_SF) $(LIBSOREL) $(LIBSO); \
143	$(LN_SF) $(LIBSO) $(OLDSO))
144
145	-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
146	-@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
147	-@$(RM_F) $(DL)/pkgconfig/libpng.pc
148	cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
149	(cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
150
151install-man: libpng.3 libpngpf.3 png.5
152	-@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
153	-@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
154	-@$(RM_F) $(DM)/man3/libpng.3
155	-@$(RM_F) $(DM)/man3/libpngpf.3
156	cp libpng.3 $(DM)/man3
157	cp libpngpf.3 $(DM)/man3
158	-@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
159	-@$(RM_F) $(DM)/man5/png.5
160	cp png.5 $(DM)/man5
161
162install-config: libpng-config
163	-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
164	-@$(RM_F) $(DB)/libpng-config
165	-@$(RM_F) $(DB)/$(LIBNAME)-config
166	cp libpng-config $(DB)/$(LIBNAME)-config
167	(cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
168
169install: install-static install-shared install-man install-config
170
171test: pngtest$(EXEEXT)
172	./pngtest$(EXEEXT)
173
174pngtest$(EXEEXT): pngtest.o libpng.a
175	$(LD) $(LDFLAGS) -L$(ZLIBLIB) -o $@ pngtest.o libpng.a $(LIBS)
176
177clean:
178	$(RM_F) *.o libpng.a pngtest$(EXEEXT) pngout.png pnglibconf.h $(LIBSO) \
179	$(LIBSOMAJ) libpng-config
180
181png.o:      png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
182pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
183pngget.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
184pngmem.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
185pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
186pngread.o:  png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
187pngrio.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
188pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
189pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
190pngset.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
191pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
192pngwio.o:   png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
193pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
194pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
195pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
196
197pngtest.o:  png.h pngconf.h pnglibconf.h
198