| # makefile for libpng.a and libpng16.so on Linux ELF with gcc |
| # Copyright (C) 2018-2025 Cosmin Truta |
| # Copyright (C) 1998, 1999, 2002, 2006, 2008, 2010-2014 Greg Roelofs and |
| # Glenn Randers-Pehrson |
| # Copyright (C) 1996, 1997 Andreas Dilger |
| # |
| # This code is released under the libpng license. |
| # For conditions of distribution and use, see the disclaimer |
| # and license in png.h |
| |
| # Library name: |
| LIBNAME=libpng16 |
| PNGMAJ=16 |
| |
| # Shared library names: |
| LIBSO=$(LIBNAME).so |
| LIBSOMAJ=$(LIBNAME).so.$(PNGMAJ) |
| |
| # Utilities: |
| CC=gcc |
| AR=ar |
| RANLIB=ranlib |
| LN_SF=ln -sf |
| CP=cp |
| RM_F=rm -f |
| |
| # 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 |
| STDC = -pedantic-errors |
| WARN = -Wall -Wextra -Wundef |
| WARNMORE = -Wcast-align -Wconversion -Wshadow -Wpointer-arith -Wwrite-strings \ |
| -Wmissing-declarations -Wmissing-prototypes -Wstrict-prototypes |
| LOCAL_CPPFLAGS = $(NOHWOPT) |
| CPPFLAGS = # -DPNG_DEBUG=5 |
| ALL_CPPFLAGS = $(LOCAL_CPPFLAGS) $(CPPFLAGS) |
| LOCAL_CFLAGS = $(STDC) $(WARN) # $(WARNMORE) |
| CFLAGS = -O3 -funroll-loops # -g |
| ALL_CFLAGS = $(LOCAL_CFLAGS) $(CFLAGS) |
| ARFLAGS = rc |
| LDFLAGS = -L. -Wl,-rpath,. -lpng16 -lz -lm # -g |
| LDFLAGS_A = libpng.a -lz -lm # -g |
| |
| # Pre-built configuration |
| # See scripts/pnglibconf.mak for more options |
| PNGLIBCONF_H_PREBUILT = scripts/pnglibconf.h.prebuilt |
| |
| # 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) |
| |
| .SUFFIXES: .c .o .pic.o |
| |
| .c.o: |
| $(CC) -c $(ALL_CPPFLAGS) $(ALL_CFLAGS) -o $@ $*.c |
| |
| .c.pic.o: |
| $(CC) -c $(ALL_CPPFLAGS) $(ALL_CFLAGS) -fPIC -o $@ $*.c |
| |
| all: libpng.a $(LIBSO) pngtest pngtest-static |
| |
| pnglibconf.h: $(PNGLIBCONF_H_PREBUILT) |
| $(CP) $(PNGLIBCONF_H_PREBUILT) $@ |
| |
| libpng.a: $(OBJS) |
| $(AR) $(ARFLAGS) $@ $(OBJS) |
| $(RANLIB) $@ |
| |
| $(LIBSO): $(LIBSOMAJ) |
| $(LN_SF) $(LIBSOMAJ) $(LIBSO) |
| |
| $(LIBSOMAJ): $(OBJSDLL) |
| $(CC) -shared -Wl,-soname,$(LIBSOMAJ) -o $(LIBSOMAJ) $(OBJSDLL) |
| |
| pngtest: pngtest.o $(LIBSO) |
| $(CC) -o pngtest $(CFLAGS) pngtest.o $(LDFLAGS) |
| |
| pngtest-static: pngtest.o libpng.a |
| $(CC) -o pngtest-static $(CFLAGS) pngtest.o $(LDFLAGS_A) |
| |
| test: pngtest pngtest-static |
| @echo "" |
| @echo " Running pngtest dynamically linked with $(LIBSO):" |
| @echo "" |
| ./pngtest |
| @echo "" |
| @echo " Running pngtest statically linked with libpng.a:" |
| @echo "" |
| ./pngtest-static |
| |
| install: |
| @echo "The $@ target is no longer supported by this makefile." |
| @false |
| |
| 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 |
| |
| 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 |
| pngerror.o pngerror.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 |
| |
| pngtest.o: png.h pngconf.h pnglibconf.h |
