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