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src/libs: Switch to libpng-1.6.37, bugref:8515 [re-export]
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1# Makefile.am, the source file for Makefile.in (and hence Makefile), is
2#
3# Copyright (c) 2018 Cosmin Truta
4# Copyright (c) 2004-2016 Glenn Randers-Pehrson
5#
6# This code is released under the libpng license.
7# For conditions of distribution and use, see the disclaimer
8# and license in png.h
9
10PNGLIB_BASENAME= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@
11
12ACLOCAL_AMFLAGS = -I scripts
13
14# test programs - run on make check, make distcheck
15check_PROGRAMS= pngtest pngunknown pngstest pngvalid pngimage pngcp
16if HAVE_CLOCK_GETTIME
17check_PROGRAMS += timepng
18endif
19
20# Utilities - installed
21bin_PROGRAMS= pngfix png-fix-itxt
22
23# This ensures that pnglibconf.h gets built at the start of 'make all' or
24# 'make check', but it does not add dependencies to the individual programs,
25# this is done below.
26#
27# IMPORTANT: always add the object modules of new programs to the list below
28# because otherwise the sequence 'configure; make new-program' will *sometimes*
29# result in the installed (system) pnglibconf.h being used and the result is
30# always wrong and always very confusing.
31BUILT_SOURCES = pnglibconf.h
32
33pngtest_SOURCES = pngtest.c
34pngtest_LDADD = libpng@PNGLIB_MAJOR@@[email protected]
35
36pngvalid_SOURCES = contrib/libtests/pngvalid.c
37pngvalid_LDADD = libpng@PNGLIB_MAJOR@@[email protected]
38
39pngstest_SOURCES = contrib/libtests/pngstest.c
40pngstest_LDADD = libpng@PNGLIB_MAJOR@@[email protected]
41
42pngunknown_SOURCES = contrib/libtests/pngunknown.c
43pngunknown_LDADD = libpng@PNGLIB_MAJOR@@[email protected]
44
45pngimage_SOURCES = contrib/libtests/pngimage.c
46pngimage_LDADD = libpng@PNGLIB_MAJOR@@[email protected]
47
48timepng_SOURCES = contrib/libtests/timepng.c
49timepng_LDADD = libpng@PNGLIB_MAJOR@@[email protected]
50
51pngfix_SOURCES = contrib/tools/pngfix.c
52pngfix_LDADD = libpng@PNGLIB_MAJOR@@[email protected]
53
54png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c
55
56pngcp_SOURCES = contrib/tools/pngcp.c
57pngcp_LDADD = libpng@PNGLIB_MAJOR@@[email protected]
58
59# Generally these are single line shell scripts to run a test with a particular
60# set of parameters:
61TESTS =\
62 tests/pngtest\
63 tests/pngtest-badpngs\
64 tests/pngvalid-gamma-16-to-8 tests/pngvalid-gamma-alpha-mode\
65 tests/pngvalid-gamma-background tests/pngvalid-gamma-expand16-alpha-mode\
66 tests/pngvalid-gamma-expand16-background\
67 tests/pngvalid-gamma-expand16-transform tests/pngvalid-gamma-sbit\
68 tests/pngvalid-gamma-threshold tests/pngvalid-gamma-transform\
69 tests/pngvalid-progressive-size\
70 tests/pngvalid-progressive-interlace-standard\
71 tests/pngvalid-transform\
72 tests/pngvalid-progressive-standard tests/pngvalid-standard\
73 tests/pngstest-1.8 tests/pngstest-1.8-alpha tests/pngstest-linear\
74 tests/pngstest-linear-alpha tests/pngstest-none tests/pngstest-none-alpha\
75 tests/pngstest-sRGB tests/pngstest-sRGB-alpha tests/pngunknown-IDAT\
76 tests/pngunknown-discard tests/pngunknown-if-safe tests/pngunknown-sAPI\
77 tests/pngunknown-sTER tests/pngunknown-save tests/pngunknown-vpAg\
78 tests/pngimage-quick tests/pngimage-full
79
80# man pages
81dist_man_MANS= libpng.3 libpngpf.3 png.5
82
83# generate the -config scripts if required
84binconfigs= libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
85EXTRA_SCRIPTS= libpng-config libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config
86bin_SCRIPTS= @binconfigs@
87
88# rules to build libpng, only build the old library on request
89lib_LTLIBRARIES=libpng@PNGLIB_MAJOR@@[email protected]
90# EXTRA_LTLIBRARIES= libpng.la
91libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = png.c pngerror.c\
92 pngget.c pngmem.c pngpread.c pngread.c pngrio.c pngrtran.c pngrutil.c\
93 pngset.c pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c\
94 png.h pngconf.h pngdebug.h pnginfo.h pngpriv.h pngstruct.h pngusr.dfa
95
96if PNG_ARM_NEON
97libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += arm/arm_init.c\
98 arm/filter_neon.S arm/filter_neon_intrinsics.c \
99 arm/palette_neon_intrinsics.c
100endif
101
102if PNG_MIPS_MSA
103libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += mips/mips_init.c\
104 mips/filter_msa_intrinsics.c
105endif
106
107if PNG_INTEL_SSE
108libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += intel/intel_init.c\
109 intel/filter_sse2_intrinsics.c
110endif
111
112if PNG_POWERPC_VSX
113libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += powerpc/powerpc_init.c\
114 powerpc/filter_vsx_intrinsics.c
115endif
116
117nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
118
119libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
120 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
121
122if HAVE_LD_VERSION_SCRIPT
123# Versioned symbols and restricted exports
124if HAVE_SOLARIS_LD
125 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
126else
127 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
128endif
129
130 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
131else
132# Only restricted exports when possible
133 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
134 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
135endif
136
137#distribute headers in /usr/include/libpng/*
138pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
139pkginclude_HEADERS= png.h pngconf.h
140nodist_pkginclude_HEADERS= pnglibconf.h
141
142# pkg-config stuff, note that libpng.pc is always required in order
143# to get the correct library
144pkgconfigdir = @pkgconfigdir@
145pkgconfig_DATA = libpng@PNGLIB_MAJOR@@[email protected]
146
147# Extra source distribution files, '${srcdir}' is used below to stop build files
148# from those directories being included. This only works if the configure is
149# not done in the source directory!
150EXTRA_DIST= \
151 ANNOUNCE AUTHORS CHANGES INSTALL LICENSE README TODO TRADEMARK \
152 pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
153 ${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
154 $(TESTS) $(XFAIL_TESTS) tests/pngstest \
155 CMakeLists.txt example.c libpng-manual.txt
156
157SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk
158
159CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@[email protected] \
160 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
161 check.new pnglibconf.h pngprefix.h symbols.new pngtest-log.txt \
162 pnglibconf.out pnglibconf.c pnglibconf.pre pnglibconf.dfn \
163 $(SCRIPT_CLEANFILES)
164
165MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
166config.sub configure depcomp install-sh ltmain.sh missing
167
168# PNG_COPTS give extra options for the C compiler to be used on all compilation
169# steps (unless targe_CFLAGS is specified; that will take precedence over
170# AM_CFLAGS)
171PNG_COPTS = @PNG_COPTS@
172AM_CFLAGS = ${PNG_COPTS}
173
174# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
175# other operating systems (NeXT?) the C preprocessor selected by configure
176# checks input tokens for validity - effectively it performs part of the ANSI-C
177# parsing - and therefore fails with the .df files. configure.ac has special
178# checks for this and sets DFNCPP appropriately.
179DFNCPP = @DFNCPP@
180
181SUFFIXES = .chk .out
182
183$(PNGLIB_BASENAME).pc: libpng.pc
184 cp libpng.pc $@
185
186$(PNGLIB_BASENAME)-config: libpng-config
187 cp libpng-config $@
188
189scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
190scripts/prefix.out: png.h pngconf.h pnglibconf.out
191scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
192scripts/intprefix.out: pnglibconf.h
193
194libpng.sym: scripts/sym.out
195 rm -f $@
196 cp $? $@
197libpng.vers: scripts/vers.out
198 rm -f $@
199 cp $? $@
200
201if DO_PNG_PREFIX
202# Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
203# Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
204# implementation of the macro).
205pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
206 rm -f $@
207 $(AWK) 's==0 && NR>1{print prev}\
208 s==0{prev=$$0}\
209 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
210 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
211 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
212 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
213 mv pnglibconf.tf8 $@
214
215pngprefix.h: scripts/intprefix.out
216 rm -f pngprefix.tf1
217 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
218 mv pngprefix.tf1 $@
219else
220pnglibconf.h: pnglibconf.out
221 rm -f $@
222 cp $? $@
223
224pngprefix.h: # is empty
225 :>$@
226endif
227
228$(srcdir)/scripts/pnglibconf.h.prebuilt:
229 @echo "Attempting to build $@" >&2
230 @echo "This is a machine generated file, but if you want to make" >&2
231 @echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2
232 @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2
233 @exit 1
234
235# The following is necessary to ensure that the local pnglibconf.h is used, not
236# an installed one (this can happen immediately after on a clean system if
237# 'make test' is the first thing the user does.) Only files which include
238# one of the png source files (typically png.h or pngpriv.h) need to be listed
239# here:
240pngtest.o: pnglibconf.h
241
242contrib/libtests/makepng.o: pnglibconf.h
243contrib/libtests/pngstest.o: pnglibconf.h
244contrib/libtests/pngunknown.o: pnglibconf.h
245contrib/libtests/pngimage.o: pnglibconf.h
246contrib/libtests/pngvalid.o: pnglibconf.h
247contrib/libtests/readpng.o: pnglibconf.h
248contrib/libtests/tarith.o: pnglibconf.h
249contrib/libtests/timepng.o: pnglibconf.h
250
251contrib/tools/makesRGB.o: pnglibconf.h
252contrib/tools/pngfix.o: pnglibconf.h
253contrib/tools/pngcp.o: pnglibconf.h
254
255# We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
256# be built with PNG_USE_READ_MACROS; this prevents the read macros from
257# interfering with the symbol file format.
258SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
259 -DPNGLIB_VERSION='@PNGLIB_VERSION@'\
260 -DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
261 -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
262
263if DO_PNG_PREFIX
264SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
265endif
266
267.c.out:
268 rm -f $@ $*.tf[12]
269 test -d scripts || mkdir scripts || test -d scripts
270 $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
271 $(CPPFLAGS) $(SYMBOL_CFLAGS) $< > $*.tf1
272 $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
273 rm -f $*.tf1
274 mv $*.tf2 $@
275
276# The .c file for pnglibconf.h is machine generated
277pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
278 rm -f $@ $*.tf[45]
279 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
280 ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
281 ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
282 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
283 rm $*.tf4
284 mv $*.tf5 $@
285
286# Symbol checks (.def and .out files should match)
287scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
288
289.out.chk:
290 rm -f $@ $*.new
291 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
292 of="$*.new" $< >&2
293 mv $*.new $@
294
295# used on demand to regenerate the standard header, CPPFLAGS should
296# be empty - no non-standard defines
297scripts/pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
298 rm -f $@ pnglibconf.tf[67]
299 test -z "$(CPPFLAGS)"
300 echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
301 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
302 logunsupported=1 version=search ${srcdir}/pngconf.h -\
303 ${srcdir}/scripts/pnglibconf.dfa 1>&2
304 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
305 pnglibconf.tf6 1>&2
306 rm pnglibconf.tf6
307 mv pnglibconf.tf7 $@
308
309$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
310 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
311
312test: check-am
313
314# Extra checks
315check: scripts/symbols.chk
316
317# Don't distribute the generated script files
318dist-hook:
319 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
320
321# Make links between installed files with release-specific names and the generic
322# file names. If this install rule is run the generic names will be deleted and
323# recreated - this has obvious issues for systems with multiple installations.
324
325install-header-links:
326 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \
327 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done
328
329uninstall-header-links:
330 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS)
331
332install-libpng-pc:
333 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \
334 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc
335
336uninstall-libpng-pc:
337 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
338
339# EXT_LIST is a list of the possibly library directory extensions, this exists
340# because we can't find a good way of discovering the file extensions that are
341# actually installed on a given system, so instead we check for every extension
342# we have seen.
343
344EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib
345
346install-library-links:
347 @set -x; cd '$(DESTDIR)$(libdir)';\
348 for ext in $(EXT_LIST); do\
349 rm -f "libpng.$$ext";\
350 if test -f "$(PNGLIB_BASENAME).$$ext"; then\
351 $(LN_S) "$(PNGLIB_BASENAME).$$ext" "libpng.$$ext" || exit 1;\
352 fi;\
353 done
354
355uninstall-library-links:
356 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\
357 rm -f "libpng.$$ext"; done
358
359install-libpng-config:
360 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \
361 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config
362
363uninstall-libpng-config:
364 rm -f '$(DESTDIR)$(bindir)/libpng-config'
365
366if DO_INSTALL_LINKS
367# If --enable-unversioned-links is specified the header and lib file links
368# will be automatically made on a 'make install':
369
370install-data-hook: install-header-links
371uninstall-hook: uninstall-header-links
372install-exec-hook: install-library-links
373uninstall-hook: uninstall-library-links
374endif
375
376if DO_INSTALL_LIBPNG_PC
377# Likewise, --install-pc causes libpng.pc to be constructed:
378
379install-data-hook: install-libpng-pc
380uninstall-hook: uninstall-libpng-pc
381endif
382
383if DO_INSTALL_LIBPNG_CONFIG
384# And --install-config:
385
386install-exec-hook: install-libpng-config
387uninstall-hook: uninstall-libpng-config
388endif
389
390# The following addition ensures that 'make all' always builds the test programs
391# too. It used to, but some change either in libpng or configure stopped this
392# working.
393all-am: $(check_PROGRAMS)
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