mirror of
https://git.code.sf.net/p/libpng/code.git
synced 2025-07-10 18:04:09 +02:00
58c4f6b355
to prevent warnings about direct access to png structs by libpng functions while building libpng. They need to be tested, especially those using compilers other than gcc.
294 lines
9.2 KiB
Plaintext
294 lines
9.2 KiB
Plaintext
# makefile for cygwin on x86
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# Builds both dll (with import lib) and static lib versions
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# of the library, and builds two copies of pngtest: one
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# statically linked and one dynamically linked.
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#
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# Copyright (C) 2002, 2006-2008 Soren Anderson, Charles Wilson,
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# and Glenn Randers-Pehrson, based on makefile for linux-elf w/mmx by:
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# Copyright (C) 1998-2000 Greg Roelofs
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# Copyright (C) 1996, 1997 Andreas Dilger
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#
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# This code is released under the libpng license.
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# For conditions of distribution and use, see the disclaimer
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# and license in png.h
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# This makefile intends to support building outside the src directory
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# if desired. When invoking it, specify an argument to SRCDIR on the
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# command line that points to the top of the directory where your source
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# is located.
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ifdef SRCDIR
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VPATH = $(SRCDIR)
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else
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SRCDIR = .
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endif
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# Override DESTDIR= on the make install command line to easily support
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# installing into a temporary location. Example:
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#
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# make install DESTDIR=/tmp/build/libpng
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#
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# If you're going to install into a temporary location
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# via DESTDIR, $(DESTDIR)$(prefix) must already exist before
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# you execute make install.
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DESTDIR=
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CC=gcc
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ifdef MINGW
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MINGW_CCFLAGS=-DPNG_CONFIGURE_LIBPNG -mno-cygwin -I/usr/include/mingw
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MINGW_LDFLAGS=-mno-cygwin -L/usr/lib/mingw
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endif
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# Where "make install" puts libpng*.a, *png*.dll, png.h, and pngconf.h
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ifndef prefix
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prefix=/usr
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$(warning You haven't specified a 'prefix=' location. Defaulting to "/usr")
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endif
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exec_prefix=$(prefix)
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# Where the zlib library and include files are located
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ZLIBLIB= /usr/lib
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ZLIBINC=
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#ZLIBLIB=../zlib
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#ZLIBINC=../zlib
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ALIGN=
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# for i386:
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#ALIGN=-malign-loops=2 -malign-functions=2
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WARNMORE=-Wwrite-strings -Wpointer-arith -Wshadow \
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-Wmissing-declarations -Wtraditional -Wcast-align \
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-Wstrict-prototypes -Wmissing-prototypes #-Wconversion
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CFLAGS= $(strip $(MINGW_CCFLAGS) $(addprefix -I,$(ZLIBINC)) \
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-W -Wall -O3 $(ALIGN) -funroll-loops \
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-fomit-frame-pointer) # $(WARNMORE) -g -DPNG_DEBUG=5
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LIBNAME = libpng14
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PNGMAJ = 14
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CYGDLL = 14
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PNGMIN = 1.4.0beta93
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PNGVER = $(PNGMAJ).$(PNGMIN)
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SHAREDLIB=cygpng$(CYGDLL).dll
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STATLIB=libpng.a
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IMPLIB=libpng.dll.a
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SHAREDDEF=libpng.def
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LIBS=$(SHAREDLIB) $(STATLIB)
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EXE=.exe
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LDFLAGS=$(strip -L. $(MINGW_LDFLAGS) -lpng $(addprefix -L,$(ZLIBLIB)) -lz)
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LDSFLAGS=$(strip -shared -L. $(MINGW_LDFLAGS) -Wl,--export-all)
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LDEXTRA=-Wl,--out-implib=$(IMPLIB) $(addprefix -L,$(ZLIBLIB)) -lz
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MKDIR_P=/bin/mkdir -pv
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RANLIB=ranlib
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#RANLIB=echo
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INCPATH=$(prefix)/include
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LIBPATH=$(exec_prefix)/lib
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BINPATH=$(exec_prefix)/bin
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MANPATH=$(prefix)/man
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MAN3PATH=$(MANPATH)/man3
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MAN5PATH=$(MANPATH)/man5
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# cosmetic: shortened strings:
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S =$(SRCDIR)
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D =$(DESTDIR)
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DB =$(D)$(BINPATH)
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DI =$(D)$(INCPATH)
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DL =$(D)$(LIBPATH)
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OBJS = png.o pngset.o pngget.o pngrutil.o pngtrans.o pngwutil.o \
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pngread.o pngrio.o pngwio.o pngwrite.o pngrtran.o \
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pngwtran.o pngmem.o pngerror.o pngpread.o
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OBJSDLL = $(OBJS:.o=.pic.o)
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.SUFFIXES: .c .o .pic.o
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%.o : %.c
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$(CC) -c $(CFLAGS) -o $@ $<
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%.pic.o : CFLAGS += -DPNG_BUILD_DLL
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%.pic.o : %.c
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$(CC) -c $(CFLAGS) -o $@ $<
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all: all-static all-shared libpng.pc libpng-config libpng.pc libpng-config
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# Make this to verify that "make [...] install" will do what you want.
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buildsetup-tell:
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@echo VPATH is set to: \"$(VPATH)\"
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@echo prefix is set to: \"$(prefix)\"
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@echo -e INCPATH,LIBPATH, etc. are set to:'\n' \
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$(addprefix $(D),$(INCPATH)'\n' $(LIBPATH)'\n' $(BINPATH)'\n' \
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$(MANPATH)'\n' $(MAN3PATH)'\n' $(MAN5PATH)'\n')'\n'
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libpng.pc: scripts/libpng.pc.in
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@echo -e Making pkg-config file for this libpng installation..'\n' \
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using PREFIX=\"$(prefix)\"'\n'
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cat scripts/libpng.pc.in | sed -e s!@prefix@!$(prefix)! \
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-e s!@exec_prefix@!$(exec_prefix)! \
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-e s!@libdir@!$(LIBPATH)! \
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-e s!@includedir@!$(INCPATH)! \
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-e s!-lpng14!-lpng14\ -lz! > libpng.pc
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libpng-config: scripts/libpng-config-head.in scripts/libpng-config-body.in
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@echo -e Making $(LIBNAME) libpng-config file for this libpng \
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installation..'\n' using PREFIX=\"$(prefix)\"'\n'
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( cat $(S)/scripts/libpng-config-head.in; \
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echo prefix=\"$(prefix)\"; \
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echo I_opts=\"-I$(INCPATH)/$(LIBNAME)\"; \
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echo L_opts=\"-L$(LIBPATH)\"; \
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echo libs=\"-lpng$(CYGDLL) -lz\"; \
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cat $(S)/scripts/libpng-config-body.in ) > libpng-config
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chmod +x libpng-config
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static: all-static
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shared: all-shared
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all-static: $(STATLIB) pngtest-stat$(EXE)
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all-shared: $(SHAREDLIB) pngtest$(EXE)
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$(STATLIB): $(OBJS)
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ar rc $@ $(OBJS)
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$(RANLIB) $@
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$(SHAREDDEF): scripts/pngwin.def
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cat $< | sed -e '1{G;s/^\(.*\)\(\n\)/EXPORTS/;};2,/^EXPORTS/d' | \
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sed -e 's/\([^;]*\);/;/' > $@
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$(SHAREDLIB): $(OBJSDLL) $(SHAREDDEF)
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$(CC) $(LDSFLAGS) -o $@ $(OBJSDLL) -L. $(LDEXTRA)
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pngtest$(EXE): pngtest.pic.o $(SHAREDLIB)
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$(CC) $(CFLAGS) $< $(LDFLAGS) -o $@
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pngtest-stat$(EXE): pngtest.o $(STATLIB)
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$(CC) -static $(CFLAGS) $< $(LDFLAGS) -o $@
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pngtest.pic.o: pngtest.c
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$(CC) $(CFLAGS) -c $< -o $@
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pngtest.o: pngtest.c png.h pngconf.h pngpriv.h
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$(CC) $(CFLAGS) -c $< -o $@
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test: test-static test-shared
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test-static: pngtest-stat$(EXE)
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./pngtest-stat $(S)/pngtest.png
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test-shared: pngtest$(EXE)
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./pngtest $(S)/pngtest.png
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install-static: $(STATLIB) install-headers install-man
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-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
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install -m 644 $(STATLIB) $(DL)/$(LIBNAME).a
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-@rm -f $(DL)/$(STATLIB)
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(cd $(DL); ln -sf $(LIBNAME).a $(STATLIB))
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install-shared: $(SHAREDLIB) libpng.pc libpng-config install-headers install-man
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-@if [ ! -d $(DL) ]; then $(MKDIR_P) $(DL); fi
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-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
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-@if [ ! -d $(DL)/pkgconfig ]; then $(MKDIR_P) $(DL)/pkgconfig; fi
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-@/bin/rm -f $(DL)/pkgconfig/$(LIBNAME).pc
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-@/bin/rm -f $(DL)/pkgconfig/libpng.pc
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install -m 644 $(IMPLIB) $(DL)/$(LIBNAME).dll.a
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-@rm -f $(DL)/$(IMPLIB)
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(cd $(DL); ln -sf $(LIBNAME).dll.a $(IMPLIB))
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install -s -m 755 $(SHAREDLIB) $(DB)
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install -m 644 libpng.pc $(DL)/pkgconfig/$(LIBNAME).pc
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(cd $(DL)/pkgconfig; ln -sf $(LIBNAME).pc libpng.pc)
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install-headers:
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-@if [ ! -d $(DI) ]; then $(MKDIR_P) $(DI); fi
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-@if [ ! -d $(DI)/$(LIBNAME) ]; then $(MKDIR_P) $(DI)/$(LIBNAME); fi
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-@rm -f $(DI)/png.h
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-@rm -f $(DI)/pngconf.h
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install -m 644 $(S)/png.h $(S)/pngconf.h $(DI)/$(LIBNAME)
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-@rm -f $(DI)/libpng
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(cd $(DI); ln -sf $(LIBNAME) libpng; ln -sf $(LIBNAME)/* .)
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install-man:
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-@if [ ! -d $(D)$(MAN3PATH) ]; then $(MKDIR_P) $(D)$(MAN3PATH); fi
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-@if [ ! -d $(D)$(MAN5PATH) ]; then $(MKDIR_P) $(D)$(MAN5PATH); fi
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install -m 644 $(S)/libpngpf.3 $(S)/libpng.3 $(D)$(MAN3PATH)
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install -m 644 $(S)/png.5 $(D)$(MAN5PATH)
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install-config: libpng-config
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-@if [ ! -d $(DB) ]; then $(MKDIR_P) $(DB); fi
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-@/bin/rm -f $(DB)/libpng-config
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-@/bin/rm -f $(DB)/$(LIBNAME)-config
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cp libpng-config $(DB)/$(LIBNAME)-config
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chmod 755 $(DB)/$(LIBNAME)-config
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(cd $(DB); ln -sf $(LIBNAME)-config libpng-config)
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# Run this to verify that a future `configure' run will pick up the settings
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# you want.
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test-config-install: SHELL=/bin/bash
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test-config-install: $(DB)/libpng-config
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@echo -e Testing libpng-config functions...'\n'
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@ for TYRA in LDFLAGS CPPFLAGS CFLAGS LIBS VERSION; \
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do \
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printf "(%d)\t %10s =%s\n" $$(($$gytiu + 1)) $$TYRA \
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"$$($(DB)/libpng-config `echo --$$TYRA |tr '[:upper:]' '[:lower:]'`)"; \
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gytiu=$$(( $$gytiu + 1 )); \
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done
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install: install-static install-shared install-man install-config
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# If you installed in $(DESTDIR), test-installed won't work until you
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# move the library to its final location. Use test-dd to test it
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# before then.
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test-dd:
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echo
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echo Testing installed dynamic shared library in $(DL).
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$(CC) -I$(DI) $(CFLAGS) \
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`$(BINPATH)/libpng14-config --cflags` pngtest.c \
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-L$(DL) -L$(ZLIBLIB) \
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-o pngtestd `$(BINPATH)/libpng14-config --ldflags`
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./pngtestd pngtest.png
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test-installed:
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$(CC) $(CFLAGS) \
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`$(BINPATH)/libpng14-config --cflags` pngtest.c \
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-L$(ZLIBLIB) \
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-o pngtesti$(EXE) `$(BINPATH)/libpng14-config --ldflags`
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./pngtesti$(EXE) pngtest.png
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clean:
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/bin/rm -f *.pic.o *.o $(STATLIB) $(IMPLIB) $(SHAREDLIB) \
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pngtest-stat$(EXE) pngtest$(EXE) pngout.png $(SHAREDDEF) \
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libpng-config libpng.pc pngtesti$(EXE)
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DOCS = ANNOUNCE CHANGES INSTALL KNOWNBUG LICENSE README TODO Y2KINFO
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writelock:
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chmod a-w *.[ch35] $(DOCS) scripts/*
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.PHONY: buildsetup-tell libpng.pc libpng-config test-config-install clean
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# DO NOT DELETE THIS LINE -- make depend depends on it.
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png.o png.pic.o: png.h pngconf.h pngpriv.h png.c
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pngerror.o pngerror.pic.o: png.h pngconf.h pngpriv.h pngerror.c
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pngrio.o pngrio.pic.o: png.h pngconf.h pngpriv.h pngrio.c
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pngwio.o pngwio.pic.o: png.h pngconf.h pngpriv.h pngwio.c
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pngmem.o pngmem.pic.o: png.h pngconf.h pngpriv.h pngmem.c
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pngset.o pngset.pic.o: png.h pngconf.h pngpriv.h pngset.c
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pngget.o pngget.pic.o: png.h pngconf.h pngpriv.h pngget.c
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pngread.o pngread.pic.o: png.h pngconf.h pngpriv.h pngread.c
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pngrtran.o pngrtran.pic.o: png.h pngconf.h pngpriv.h pngrtran.c
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pngrutil.o pngrutil.pic.o: png.h pngconf.h pngpriv.h pngrutil.c
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pngtrans.o pngtrans.pic.o: png.h pngconf.h pngpriv.h pngtrans.c
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pngwrite.o pngwrite.pic.o: png.h pngconf.h pngpriv.h pngwrite.c
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pngwtran.o pngwtran.pic.o: png.h pngconf.h pngpriv.h pngwtran.c
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pngwutil.o pngwutil.pic.o: png.h pngconf.h pngpriv.h pngwutil.c
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pngpread.o pngpread.pic.o: png.h pngconf.h pngpriv.h pngpread.c
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pngtest.o: png.h pngconf.h pngpriv.h pngtest.c
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pngtest-stat.o: png.h pngconf.h pngpriv.h pngtest.c
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