# makefile for libpng.a and libpng16.so on Linux ELF with gcc
+# Copyright (C) 2020-2022 Cosmin Truta
# Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2014 Greg Roelofs and
# Glenn Randers-Pehrson
# Copyright (C) 1996, 1997 Andreas Dilger
# and license in png.h
# Library name:
-LIBNAME = libpng16
-PNGMAJ = 16
-RELEASE = 37
+LIBNAME=libpng16
+PNGMAJ=16
# Shared library names:
LIBSO=$(LIBNAME).so
LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ)
-LIBSOREL=$(LIBSOMAJ).$(RELEASE)
-OLDSO=libpng.so
# Utilities:
-AR_RC=ar rc
CC=gcc
+AR_RC=ar rc
+RANLIB=ranlib
MKDIR_P=mkdir -p
LN_SF=ln -sf
-RANLIB=ranlib
CP=cp
-RM_F=/bin/rm -f
-
-# where "make install" puts libpng16.a, libpng16.so*,
-# libpng16/png.h, libpng16/pngconf.h, and libpng16/pnglibconf.h
-# Prefix must be a full pathname.
-prefix=/usr/local
-exec_prefix=$(prefix)
+RM_F=rm -f
# Where the zlib library and include files are located.
#ZLIBLIB=/usr/local/lib
ZLIBLIB=../zlib
ZLIBINC=../zlib
-ALIGN=
-# for i386:
-#ALIGN=-malign-loops=2 -malign-functions=2
-
+# Compiler and linker flags
+NOHWOPT=-DPNG_ARM_NEON_OPT=0 -DPNG_MIPS_MSA_OPT=0 \
+ -DPNG_POWERPC_VSX_OPT=0 -DPNG_INTEL_SSE_OPT=0
WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
-Wmissing-declarations -Wtraditional -Wcast-align \
- -Wstrict-prototypes -Wmissing-prototypes #-Wconversion
-
-# for pgcc version 2.95.1, -O3 is buggy; don't use it.
-
-CPPFLAGS=-I$(ZLIBINC) # -DPNG_DEBUG=5
-CFLAGS=-W -Wall -O3 -funroll-loops $(ALIGN) # $(WARNMORE) -g
-
-LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm
-LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm
-
-INCPATH=$(prefix)/include
-LIBPATH=$(exec_prefix)/lib
-MANPATH=$(prefix)/man
-BINPATH=$(exec_prefix)/bin
-
-# 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=
-
-DB=$(DESTDIR)$(BINPATH)
-DI=$(DESTDIR)$(INCPATH)
-DL=$(DESTDIR)$(LIBPATH)
-DM=$(DESTDIR)$(MANPATH)
+ -Wstrict-prototypes -Wmissing-prototypes # -Wconversion
+DEFS=$(NOHWOPT)
+CPPFLAGS=-I$(ZLIBINC) $(DEFS) # -DPNG_DEBUG=5
+CFLAGS=-O3 -funroll-loops -Wall -Wextra -Wundef # $(WARNMORE) -g
+LDFLAGS=-L. -Wl,-rpath,. -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) -lpng16 -lz -lm # -g
+LDFLAGS_A=-L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) libpng.a -lz -lm # -g
# Pre-built configuration
# See scripts/pnglibconf.mak for more options
PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt
-OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
- pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
- pngwtran.o pngmem.o pngerror.o pngpread.o
+# File lists
+OBJS = png.o pngerror.o pngget.o pngmem.o pngpread.o \
+ pngread.o pngrio.o pngrtran.o pngrutil.o pngset.o \
+ pngtrans.o pngwio.o pngwrite.o pngwtran.o pngwutil.o
OBJSDLL = $(OBJS:.o=.pic.o)
.c.pic.o:
$(CC) -c $(CPPFLAGS) $(CFLAGS) -fPIC -o $@ $*.c
-all: libpng.a $(LIBSO) pngtest pngtest-static libpng.pc libpng-config
+all: libpng.a $(LIBSO) pngtest pngtest-static
pnglibconf.h: $(PNGLIBCONF_H_PREBUILT)
$(CP) $(PNGLIBCONF_H_PREBUILT) $@
$(AR_RC) $@ $(OBJS)
$(RANLIB) $@
-libpng.pc:
- cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
- -e s!@exec_prefix@!$(exec_prefix)! \
- -e s!@libdir@!$(LIBPATH)! \
- -e s!@includedir@!$(INCPATH)! \
- -e s!-lpng16!-lpng16\ -lz\ -lm! > libpng.pc
-
-libpng-config:
- ( cat scripts/libpng-config-head.in; \
- echo prefix=\"$(prefix)\"; \
- echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
- echo L_opts=\"-L$(LIBPATH)\"; \
- echo R_opts=\"-Wl,-rpath,$(LIBPATH)\"; \
- echo libs=\"-lpng16 -lz -lm\"; \
- cat scripts/libpng-config-body.in ) > libpng-config
- chmod +x libpng-config
-
$(LIBSO): $(LIBSOMAJ)
$(LN_SF) $(LIBSOMAJ) $(LIBSO)
@echo ""
./pngtest-static
-install-headers: png.h pngconf.h pnglibconf.h
- -@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
- -@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
- cp png.h pngconf.h pnglibconf.h $(DI)/$(LIBNAME)
- chmod 644 $(DI)/$(LIBNAME)/png.h $(DI)/$(LIBNAME)/pngconf.h $(DI)/$(LIBNAME)/pnglibconf.h
- -@$(RM_F) $(DI)/png.h $(DI)/pngconf.h $(DI)/pnglibconf.h
- -@$(RM_F) $(DI)/libpng
- (cd $(DI); $(LN_SF) $(LIBNAME) libpng; $(LN_SF) $(LIBNAME)/* .)
-
-install-static: install-headers libpng.a
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- cp libpng.a $(DL)/$(LIBNAME).a
- chmod 644 $(DL)/$(LIBNAME).a
- -@$(RM_F) $(DL)/libpng.a
- (cd $(DL); $(LN_SF) $(LIBNAME).a libpng.a)
-
-install-shared: install-headers $(LIBSOMAJ) libpng.pc
- -@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
- -@$(RM_F) $(DL)/$(LIBSO)
- -@$(RM_F) $(DL)/$(LIBSOREL)
- -@$(RM_F) $(DL)/$(OLDSO)
- cp $(LIBSOMAJ) $(DL)/$(LIBSOREL)
- chmod 755 $(DL)/$(LIBSOREL)
- (cd $(DL); \
- $(LN_SF) $(LIBSOREL) $(LIBSO); \
- $(LN_SF) $(LIBSO) $(OLDSO))
-
- -@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
- -@$(RM_F) $(DL)/pkgconfig/$(LIBNAME).pc
- -@$(RM_F) $(DL)/pkgconfig/libpng.pc
- cp libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
- chmod 644 $(DL)/pkgconfig/$(LIBNAME).pc
- (cd $(DL)/pkgconfig; $(LN_SF) $(LIBNAME).pc libpng.pc)
-
-install-man: libpng.3 libpngpf.3 png.5
- -@if [ ! -d $(DM) ]; then $(MKDIR_P) $(DM); fi
- -@if [ ! -d $(DM)/man3 ]; then $(MKDIR_P) $(DM)/man3; fi
- -@$(RM_F) $(DM)/man3/libpng.3
- -@$(RM_F) $(DM)/man3/libpngpf.3
- cp libpng.3 $(DM)/man3
- cp libpngpf.3 $(DM)/man3
- -@if [ ! -d $(DM)/man5 ]; then $(MKDIR_P) $(DM)/man5; fi
- -@$(RM_F) $(DM)/man5/png.5
- cp png.5 $(DM)/man5
-
-install-config: libpng-config
- -@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
- -@$(RM_F) $(DB)/libpng-config
- -@$(RM_F) $(DB)/$(LIBNAME)-config
- cp libpng-config $(DB)/$(LIBNAME)-config
- chmod 755 $(DB)/$(LIBNAME)-config
- (cd $(DB); $(LN_SF) $(LIBNAME)-config libpng-config)
-
-install: install-static install-shared install-man install-config
-
-# If you installed in $(DESTDIR), test-installed won't work until you
-# move the library to its final location. Use test-dd to test it
-# before then.
-
-test-dd:
- echo
- echo Testing installed dynamic shared library in $(DL).
- $(CC) -I$(DI) $(CPPFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(DL) -L$(ZLIBLIB) -Wl, -rpath,$(DL) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtestd `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtestd pngtest.png
-
-test-installed:
- $(CC) $(CPPFLAGS) \
- `$(BINPATH)/$(LIBNAME)-config --cflags` pngtest.c \
- -L$(ZLIBLIB) -Wl,-rpath,$(ZLIBLIB) \
- -o pngtesti `$(BINPATH)/$(LIBNAME)-config --ldflags`
- ./pngtesti pngtest.png
+install:
+ @echo "The $@ target is no longer supported by this makefile."
+ @false
-clean:
- $(RM_F) *.o libpng.a pngtest pngout.png libpng-config \
- $(LIBSO) $(LIBSOMAJ)* pngtest-static pngtesti \
- libpng.pc pnglibconf.h
+install-static:
+ @echo "The $@ target is no longer supported by this makefile."
+ @false
+
+install-shared:
+ @echo "The $@ target is no longer supported by this makefile."
+ @false
-DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO
-writelock:
- chmod a-w *.[ch35] $(DOCS) scripts/*
+clean:
+ $(RM_F) $(OBJS) $(OBJSDLL) libpng.a
+ $(RM_F) $(LIBSO) $(LIBSOMAJ)* pnglibconf.h
+ $(RM_F) pngtest*.o pngtest pngtest-static pngout.png
# DO NOT DELETE THIS LINE -- make depend depends on it.
-png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+png.o png.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngerror.o pngerror.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngget.o pngget.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngmem.o pngmem.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngread.o pngread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngrio.o pngrio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrtran.o pngrtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngrutil.o pngrutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngset.o pngset.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtrans.o pngtrans.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
+pngwio.o pngwio.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwrite.o pngwrite.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwtran.o pngwtran.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngwutil.o pngwutil.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
-pngpread.o pngpread.pic.o: png.h pngconf.h pnglibconf.h pngpriv.h pngstruct.h pnginfo.h pngdebug.h
pngtest.o: png.h pngconf.h pnglibconf.h
projects / platform / upstream / libpng.git / blobdiff