# makefile for libpng
+# Copyright (C) 2002, 2006 Glenn Randers-Pehrson
# Copyright (C) 1995 Guy Eric Schalnat, Group 42, Inc.
-# For conditions of distribution and use, see copyright notice in png.h
+#
+# This code is released under the libpng license.
+# For conditions of distribution and use, see the disclaimer
+# and license in png.h
+
+# where make install puts libpng.a and png.h
+prefix=/usr/local
+INCPATH=$(prefix)/include
+LIBPATH=$(prefix)/lib
+
+# override DESTDIR= on the make install command line to easily support
+# installing into a temporary location. Example:
+#
+# make install DESTDIR=/tmp/build/libpng
+#
+# If you're going to install into a temporary location
+# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
+# you execute make install.
+DESTDIR=
# Where the zlib library and include files are located
#ZLIBLIB=/usr/local/lib
ZLIBINC=../zlib
CC=cc
-CFLAGS=-I$(ZLIBINC) -O # -g -DPNG_DEBUG=1
-LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
-
-#RANLIB=echo
+AR_RC=ar rc
+MKDIR_P=mkdir
+LN_SF=ln -sf
RANLIB=ranlib
+RM_F=rm -f
+AWK = awk
+SED = sed
+CPP = $(CC) -E
+ECHO = echo
-# where make install puts libpng.a and png.h
-prefix=/usr/local
+DFNFLAGS = # DFNFLAGS contains -D options to use in the libpng build
+DFA_EXTRA = # extra files that can be used to control configuration
+CFLAGS=-I$(ZLIBINC) -O # -g -DPNG_DEBUG=5
+LDFLAGS=-L. -L$(ZLIBLIB) -lpng -lz -lm
OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
all: libpng.a pngtest
+# The standard pnglibconf.h exists as scripts/pnglibconf.h.prebuilt,
+# copy this if the following doesn't work.
+pnglibconf.h: pnglibconf.dfn
+ $(RM_F) $@ pnglibconf.c pnglibconf.out pnglibconf.tmp
+ $(ECHO) '#include "pnglibconf.dfn"' >pnglibconf.c
+ $(ECHO) "If '$(CC) -E' crashes try /lib/cpp (e.g. CPP='/lib/cpp')" >&2
+ $(CPP) $(DFNFLAGS) pnglibconf.c >pnglibconf.out
+ $(AWK) -f "scripts/dfn.awk" out="pnglibconf.tmp" pnglibconf.out 1>&2
+ mv pnglibconf.tmp $@
+
+pnglibconf.dfn: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
+ $(RM_F) $@ pnglibconf.pre pnglibconf.tmp
+ $(ECHO) "Calling $(AWK) from scripts/pnglibconf.mak" >&2
+ $(ECHO) "If 'awk' crashes try a better awk (e.g. AWK='nawk')" >&2
+ $(AWK) -f scripts/options.awk out="pnglibconf.pre"\
+ version=search pngconf.h scripts/pnglibconf.dfa\
+ pngusr.dfa $(DFA_XTRA) 1>&2
+ $(AWK) -f scripts/options.awk out="pnglibconf.tmp" pnglibconf.pre 1>&2
+ mv pnglibconf.tmp $@
+
libpng.a: $(OBJS)
- ar rc $@ $(OBJS)
+ $(AR_RC) $@ $(OBJS)
$(RANLIB) $@
pngtest: pngtest.o libpng.a
test: pngtest
./pngtest
-install: libpng.a
- -@mkdir $(prefix)/include
- -@mkdir $(prefix)/lib
- cp png.h $(prefix)/include
- cp pngconf.h $(prefix)/include
- chmod 644 $(prefix)/include/png.h
- chmod 644 $(prefix)/include/pngconf.h
- cp libpng.a $(prefix)/lib
- chmod 644 $(prefix)/lib/libpng.a
+install: libpng.a pnglibconf.h
+ -@$(MKDIR_P) $(DESTDIR)$(INCPATH)
+ -@$(MKDIR_P) $(DESTDIR)$(INCPATH)/libpng
+ -@$(MKDIR_P) $(DESTDIR)$(LIBPATH)
+ -@$(RM_F) $(DESTDIR)$(INCPATH)/png.h
+ -@$(RM_F) $(DESTDIR)$(INCPATH)/pngconf.h
+ -@$(RM_F) $(DESTDIR)$(INCPATH)/pnglibconf.h
+ cp png.h $(DESTDIR)$(INCPATH)/libpng
+ cp pngconf.h $(DESTDIR)$(INCPATH)/libpng
+ cp pnglibconf.h $(DESTDIR)$(INCPATH)/libpng
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/png.h
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/pngconf.h
+ chmod 644 $(DESTDIR)$(INCPATH)/libpng/pnglibconf.h
+ (cd $(DESTDIR)$(INCPATH); ln -f -s libpng/* .)
+ cp libpng.a $(DESTDIR)$(LIBPATH)
+ chmod 644 $(DESTDIR)$(LIBPATH)/libpng.a
clean:
- rm -f *.o libpng.a pngtest pngout.png
+ $(RM_F) *.o libpng.a pngtest pngout.png pnglibconf.*
+
+DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
+writelock:
+ chmod a-w *.[ch35] $(DOCS) scripts/*
# DO NOT DELETE THIS LINE -- make depend depends on it.
-png.o: png.h pngconf.h
-pngerror.o: png.h pngconf.h
-pngrio.o: png.h pngconf.h
-pngwio.o: png.h pngconf.h
-pngmem.o: png.h pngconf.h
-pngset.o: png.h pngconf.h
-pngget.o: png.h pngconf.h
-pngread.o: png.h pngconf.h
-pngrtran.o: png.h pngconf.h
-pngrutil.o: png.h pngconf.h
-pngtest.o: png.h pngconf.h
-pngtrans.o: png.h pngconf.h
-pngwrite.o: png.h pngconf.h
-pngwtran.o: png.h pngconf.h
-pngwutil.o: png.h pngconf.h
-pngpread.o: png.h pngconf.h
+png.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngerror.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngrio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwio.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngmem.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngset.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngget.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngrtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngrutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngtrans.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwrite.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwtran.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwutil.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngpread.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngtest.o: png.h pngconf.h pnglibconf.h
projects / wxWidgets.git / blobdiff