src/third-party/libpng/Makefile.am (view raw)
1# Makefile.am, the source file for Makefile.in (and hence Makefile), is
2#
3# Copyright (c) 2004-2016 Glenn Randers-Pehrson
4# Last changed in libpng 1.6.25 [September 1, 2016]
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@@PNGLIB_MINOR@.la
35
36pngvalid_SOURCES = contrib/libtests/pngvalid.c
37pngvalid_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
38
39pngstest_SOURCES = contrib/libtests/pngstest.c
40pngstest_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
41
42pngunknown_SOURCES = contrib/libtests/pngunknown.c
43pngunknown_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
44
45pngimage_SOURCES = contrib/libtests/pngimage.c
46pngimage_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
47
48timepng_SOURCES = contrib/libtests/timepng.c
49timepng_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
50
51pngfix_SOURCES = contrib/tools/pngfix.c
52pngfix_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
53
54png_fix_itxt_SOURCES = contrib/tools/png-fix-itxt.c
55
56pngcp_SOURCES = contrib/tools/pngcp.c
57pngcp_LDADD = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.la
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@@PNGLIB_MINOR@.la
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
99endif
100
101if PNG_MIPS_MSA
102libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += mips/mips_init.c\
103 mips/filter_msa_intrinsics.c
104endif
105
106if PNG_INTEL_SSE
107libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += intel/intel_init.c\
108 intel/filter_sse2_intrinsics.c
109endif
110
111if PNG_POWERPC_VSX
112libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES += powerpc/powerpc_init.c\
113 powerpc/filter_vsx_intrinsics.c
114endif
115
116nodist_libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_SOURCES = pnglibconf.h
117
118libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS = -no-undefined -export-dynamic \
119 -version-number @PNGLIB_MAJOR@@PNGLIB_MINOR@:@PNGLIB_RELEASE@:0
120
121if HAVE_LD_VERSION_SCRIPT
122# Versioned symbols and restricted exports
123if HAVE_SOLARIS_LD
124 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,-M -Wl,libpng.vers
125else
126 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -Wl,--version-script=libpng.vers
127endif
128
129 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.vers
130else
131# Only restricted exports when possible
132 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_LDFLAGS += -export-symbols libpng.sym
133 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_DEPENDENCIES = libpng.sym
134endif
135
136#distribute headers in /usr/include/libpng/*
137pkgincludedir= $(includedir)/$(PNGLIB_BASENAME)
138pkginclude_HEADERS= png.h pngconf.h
139nodist_pkginclude_HEADERS= pnglibconf.h
140
141# pkg-config stuff, note that libpng.pc is always required in order
142# to get the correct library
143pkgconfigdir = @pkgconfigdir@
144pkgconfig_DATA = libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc
145
146# Extra source distribution files, '${srcdir}' is used below to stop build files
147# from those directories being included. This only works if the configure is
148# not done in the source directory!
149EXTRA_DIST= \
150 ANNOUNCE CHANGES INSTALL LICENSE README TODO \
151 pngtest.png pngbar.png pngnow.png pngbar.jpg autogen.sh \
152 ${srcdir}/contrib ${srcdir}/projects ${srcdir}/scripts \
153 $(TESTS) $(XFAIL_TESTS) tests/pngstest \
154 CMakeLists.txt example.c libpng-manual.txt
155
156SCRIPT_CLEANFILES=scripts/*.out scripts/*.chk
157
158CLEANFILES= *.tf? pngout.png libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@.pc \
159 libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@-config libpng.vers libpng.sym \
160 check.new pnglibconf.h pngprefix.h symbols.new pngtest-log.txt \
161 pnglibconf.out pnglibconf.c pnglibconf.pre pnglibconf.dfn \
162 $(SCRIPT_CLEANFILES)
163
164MAINTAINERCLEANFILES = Makefile.in aclocal.m4 config.guess config.h.in \
165config.sub configure depcomp install-sh ltmain.sh missing
166
167# PNG_COPTS give extra options for the C compiler to be used on all compilation
168# steps (unless targe_CFLAGS is specified; that will take precedence over
169# AM_CFLAGS)
170PNG_COPTS = @PNG_COPTS@
171AM_CFLAGS = ${PNG_COPTS}
172
173# DFNCPP is normally just CPP - the C preprocessor - but on Solaris and maybe
174# other operating systems (NeXT?) the C preprocessor selected by configure
175# checks input tokens for validity - effectively it performs part of the ANSI-C
176# parsing - and therefore fails with the .df files. configure.ac has special
177# checks for this and sets DFNCPP appropriately.
178DFNCPP = @DFNCPP@
179
180SUFFIXES = .chk .out
181
182$(PNGLIB_BASENAME).pc: libpng.pc
183 cp libpng.pc $@
184
185$(PNGLIB_BASENAME)-config: libpng-config
186 cp libpng-config $@
187
188scripts/sym.out scripts/vers.out: png.h pngconf.h pnglibconf.h
189scripts/prefix.out: png.h pngconf.h pnglibconf.out
190scripts/symbols.out: png.h pngconf.h $(srcdir)/scripts/pnglibconf.h.prebuilt
191scripts/intprefix.out: pnglibconf.h
192
193libpng.sym: scripts/sym.out
194 rm -f $@
195 cp $? $@
196libpng.vers: scripts/vers.out
197 rm -f $@
198 cp $? $@
199
200if DO_PNG_PREFIX
201# Rename functions in scripts/prefix.out with a PNG_PREFIX prefix.
202# Rename macros in scripts/macro.lst from PNG_PREFIXpng_ to PNG_ (the actual
203# implementation of the macro).
204pnglibconf.h: pnglibconf.out scripts/prefix.out scripts/macro.lst
205 rm -f $@
206 $(AWK) 's==0 && NR>1{print prev}\
207 s==0{prev=$$0}\
208 s==1{print "#define", $$1, "@PNG_PREFIX@" $$1}\
209 s==2{print "#define @PNG_PREFIX@png_" $$1, "PNG_" $$1}\
210 END{print prev}' s=0 pnglibconf.out s=1 scripts/prefix.out\
211 s=2 ${srcdir}/scripts/macro.lst >pnglibconf.tf8
212 mv pnglibconf.tf8 $@
213
214pngprefix.h: scripts/intprefix.out
215 rm -f pngprefix.tf1
216 $(AWK) '{print "#define", $$1, "@PNG_PREFIX@" $$1}' $? >pngprefix.tf1
217 mv pngprefix.tf1 $@
218else
219pnglibconf.h: pnglibconf.out
220 rm -f $@
221 cp $? $@
222
223pngprefix.h: # is empty
224 :>$@
225endif
226
227$(srcdir)/scripts/pnglibconf.h.prebuilt:
228 @echo "Attempting to build $@" >&2
229 @echo "This is a machine generated file, but if you want to make" >&2
230 @echo "a new one simply make 'scripts/pnglibconf.out', copy that" >&2
231 @echo "AND set PNG_ZLIB_VERNUM to 0 (you MUST do this)" >&2
232 @exit 1
233
234# The following is necessary to ensure that the local pnglibconf.h is used, not
235# an installed one (this can happen immediately after on a clean system if
236# 'make test' is the first thing the user does.) Only files which include
237# one of the png source files (typically png.h or pngpriv.h) need to be listed
238# here:
239pngtest.o: pnglibconf.h
240
241contrib/libtests/makepng.o: pnglibconf.h
242contrib/libtests/pngstest.o: pnglibconf.h
243contrib/libtests/pngunknown.o: pnglibconf.h
244contrib/libtests/pngimage.o: pnglibconf.h
245contrib/libtests/pngvalid.o: pnglibconf.h
246contrib/libtests/readpng.o: pnglibconf.h
247contrib/libtests/tarith.o: pnglibconf.h
248contrib/libtests/timepng.o: pnglibconf.h
249
250contrib/tools/makesRGB.o: pnglibconf.h
251contrib/tools/pngfix.o: pnglibconf.h
252contrib/tools/pngcp.o: pnglibconf.h
253
254# We must use -DPNG_NO_USE_READ_MACROS here even when the library may actually
255# be built with PNG_USE_READ_MACROS; this prevents the read macros from
256# interfering with the symbol file format.
257SYMBOL_CFLAGS = -DPNGLIB_LIBNAME='PNG@PNGLIB_MAJOR@@PNGLIB_MINOR@_0'\
258 -DPNGLIB_VERSION='@PNGLIB_VERSION@'\
259 -DSYMBOL_PREFIX='$(SYMBOL_PREFIX)'\
260 -DPNG_NO_USE_READ_MACROS -DPNG_BUILDING_SYMBOL_TABLE
261
262if DO_PNG_PREFIX
263SYMBOL_CFLAGS += -DPNG_PREFIX='@PNG_PREFIX@'
264endif
265
266.c.out:
267 rm -f $@ $*.tf[12]
268 test -d scripts || mkdir scripts || test -d scripts
269 $(DFNCPP) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES)\
270 $(CPPFLAGS) $(SYMBOL_CFLAGS) $< > $*.tf1
271 $(AWK) -f "${srcdir}/scripts/dfn.awk" out="$*.tf2" $*.tf1 1>&2
272 rm -f $*.tf1
273 mv $*.tf2 $@
274
275# The .c file for pnglibconf.h is machine generated
276pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h pngusr.dfa $(DFA_XTRA)
277 rm -f $@ $*.tf[45]
278 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf4 version=search\
279 ${srcdir}/pngconf.h ${srcdir}/scripts/pnglibconf.dfa\
280 ${srcdir}/pngusr.dfa $(DFA_XTRA) 1>&2
281 $(AWK) -f ${srcdir}/scripts/options.awk out=$*.tf5 $*.tf4 1>&2
282 rm $*.tf4
283 mv $*.tf5 $@
284
285# Symbol checks (.def and .out files should match)
286scripts/symbols.chk: scripts/checksym.awk scripts/symbols.def scripts/symbols.out
287
288.out.chk:
289 rm -f $@ $*.new
290 $(AWK) -f ${srcdir}/scripts/checksym.awk ${srcdir}/scripts/${*F}.def\
291 of="$*.new" $< >&2
292 mv $*.new $@
293
294# used on demand to regenerate the standard header, CPPFLAGS should
295# be empty - no non-standard defines
296scripts/pnglibconf.c: scripts/pnglibconf.dfa scripts/options.awk pngconf.h
297 rm -f $@ pnglibconf.tf[67]
298 test -z "$(CPPFLAGS)"
299 echo "com @PNGLIB_VERSION@ STANDARD API DEFINITION" |\
300 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf6\
301 logunsupported=1 version=search ${srcdir}/pngconf.h -\
302 ${srcdir}/scripts/pnglibconf.dfa 1>&2
303 $(AWK) -f ${srcdir}/scripts/options.awk out=pnglibconf.tf7\
304 pnglibconf.tf6 1>&2
305 rm pnglibconf.tf6
306 mv pnglibconf.tf7 $@
307
308$(libpng@PNGLIB_MAJOR@@PNGLIB_MINOR@_la_OBJECTS): png.h pngconf.h \
309 pnglibconf.h pngpriv.h pngdebug.h pnginfo.h pngstruct.h pngprefix.h
310
311test: check-am
312
313# Extra checks
314check: scripts/symbols.chk
315
316# Don't distribute the generated script files
317dist-hook:
318 cd '$(top_distdir)'; rm -f $(SCRIPT_CLEANFILES)
319
320# Make links between installed files with release-specific names and the generic
321# file names. If this install rule is run the generic names will be deleted and
322# recreated - this has obvious issues for systems with multiple installations.
323
324install-header-links:
325 @set -ex; cd '$(DESTDIR)$(includedir)'; for f in $(HEADERS); do \
326 rm -f "$$f"; $(LN_S) "$(PNGLIB_BASENAME)/$$f" "$$f"; done
327
328uninstall-header-links:
329 cd '$(DESTDIR)$(includedir)'; rm -f $(HEADERS)
330
331install-libpng-pc:
332 @set -ex; cd '$(DESTDIR)$(pkgconfigdir)'; rm -f libpng.pc; \
333 $(LN_S) '$(PNGLIB_BASENAME).pc' libpng.pc
334
335uninstall-libpng-pc:
336 rm -f '$(DESTDIR)$(pkgconfigdir)/libpng.pc'
337
338# EXT_LIST is a list of the possibly library directory extensions, this exists
339# because we can't find a good way of discovering the file extensions that are
340# actually installed on a given system, so instead we check for every extension
341# we have seen.
342
343EXT_LIST = a dll.a so so.@PNGLIB_MAJOR@@PNGLIB_MINOR@.@PNGLIB_RELEASE@ la sl dylib
344
345install-library-links:
346 @set -x; cd '$(DESTDIR)$(libdir)';\
347 for ext in $(EXT_LIST); do\
348 rm -f "libpng.$$ext";\
349 if test -f "$(PNGLIB_BASENAME).$$ext"; then\
350 $(LN_S) "$(PNGLIB_BASENAME).$$ext" "libpng.$$ext" || exit 1;\
351 fi;\
352 done
353
354uninstall-library-links:
355 @set -x; cd '$(DESTDIR)$(libdir)'; for ext in $(EXT_LIST); do\
356 rm -f "libpng.$$ext"; done
357
358install-libpng-config:
359 @set -ex; cd '$(DESTDIR)$(bindir)'; rm -f libpng-config; \
360 $(LN_S) '$(PNGLIB_BASENAME)-config' libpng-config
361
362uninstall-libpng-config:
363 rm -f '$(DESTDIR)$(bindir)/libpng-config'
364
365if DO_INSTALL_LINKS
366# If --enable-unversioned-links is specified the header and lib file links
367# will be automatically made on a 'make install':
368
369install-data-hook: install-header-links
370uninstall-hook: uninstall-header-links
371install-exec-hook: install-library-links
372uninstall-hook: uninstall-library-links
373endif
374
375if DO_INSTALL_LIBPNG_PC
376# Likewise, --install-pc causes libpng.pc to be constructed:
377
378install-data-hook: install-libpng-pc
379uninstall-hook: uninstall-libpng-pc
380endif
381
382if DO_INSTALL_LIBPNG_CONFIG
383# And --install-config:
384
385install-exec-hook: install-libpng-config
386uninstall-hook: uninstall-libpng-config
387endif
388
389# The following addition ensures that 'make all' always builds the test programs
390# too. It used to, but some change either in libpng or configure stopped this
391# working.
392all-am: $(check_PROGRAMS)