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[devel] Supply default values for PNG_USER_PRIVATEBUILD and PNG_USER_DLLFNAME_POSTFIX

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in pngpriv.h in case the user forgot to define them in their pngusr.h.  This
means it is safe for people not building a DLL to omit these defines from pngusr.h.
This commit is contained in:
Glenn Randers-Pehrson
2010-08-24 21:05:43 -05:00
parent f45a345adb
commit 4f108d8af6
11 changed files with 27 additions and 22 deletions
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2
scripts/README.txt
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@@ -1,5 +1,5 @@
Makefiles for libpng version 1.5.0beta45 - August 24, 2010
Makefiles for libpng version 1.5.0beta45 - August 25, 2010
pnglibconf.h.prebuilt => Stores configuration settings
makefile.linux => Linux/ELF makefile

2
scripts/options.awk
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@@ -1,7 +1,7 @@
#!/bin/awk -f
# scripts/options.awk - library build configuration control
#
# last changed in libpng version 1.5.0 - August 24, 2010
# last changed in libpng version 1.5.0 - August 25, 2010
#
# Copyright (c) 1998-2010 Glenn Randers-Pehrson
#

14
scripts/pnglibconf.dfa
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@@ -6,7 +6,7 @@
#
com pnglibconf.h - library build configuration
com
com libpng version PNGLIB_VERSION - last changed on August 24, 2010
com libpng version PNGLIB_VERSION - last changed on August 25, 2010
com
com Copyright (c) 1998-2010 Glenn Randers-Pehrson
com
@@ -14,6 +14,7 @@ com This code is released under the libpng license.
com For conditions of distribution and use, see the disclaimer
com and license in png.h
com
file pnglibconf.h scripts/pnglibconf.dfa PNGLCONF_H
# This file is preprocessed by scripts/options.awk and the
@@ -70,10 +71,6 @@ file pnglibconf.h scripts/pnglibconf.dfa PNGLCONF_H
# is safer to ensure that -DPNG_USER_CONFIG is specified throughout
# the build by changing the CPPFLAGS passed to the initial ./configure
#
# This process will result in a very annoying build fail if you
# forget to define both 'PNG_USER_PRIVATEBUILD' and
# 'PNG_USER_DLLFNAME_POSTFIX' in pngusr.h - this is deliberate.
#
# 2) Add definitions of the settings you want to change to
# CPPFLAGS; for example:
#
@@ -105,15 +102,12 @@ file pnglibconf.h scripts/pnglibconf.dfa PNGLCONF_H
# The following causes commented out #undef lines to be written to
# pnglibconf.h; this can be stopped by logunsupported=0 in a later
# file or on the command line (after pnglibconf.dfa)
logunsupported = 1
# PNG_USER_CONFIG has to be defined on the compiler command line
# to cause pngusr.h to be read while constructing pnglibconf.h
#
# If this is set during the build 'pnglibconf.h' will define
# PNG_USER_PRIVATEBUILD to the value that *must* be set by pngusr.h
# and contain other definitions as below.
#
# If you create a private DLL you need to define the following
# macros in the file 'pngusr.h' and set -DPNG_USER_CONFIG for
# compilation (i.e. in CFLAGS.)
@@ -150,7 +144,7 @@ logunsupported = 1
# Note that PNG_USR_CONFIG only has an effect when building
# pnglibconf.h
setting USER_CONFIG requires USER_PRIVATEBUILD USER_DLLFNAME_POSTFIX
setting USER_CONFIG
setting USER_PRIVATEBUILD
setting USER_DLLFNAME_POSTFIX
setting USER_VERSIONINFO_COMMENTS

2
scripts/pnglibconf.h.prebuilt
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@@ -1,7 +1,7 @@
/* libpng-1.5.0beta45 STANDARD API DEFINITION */
/* pnglibconf.h - library build configuration */
/* last changed in libpng version 1.5.0 - August 24, 2010 */
/* last changed in libpng version 1.5.0 - August 25, 2010 */
/* Copyright (c) 1998-2010 Glenn Randers-Pehrson */

2
scripts/pngwin.dfn
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@@ -1,7 +1,7 @@
/* pngwin.dfn - define format of pngwin.def
*
* Last changed in libpng version 1.5.0 [August 24, 2010]
* Last changed in libpng version 1.5.0 [August 25, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
*
* This code is released under the libpng license.

2
scripts/sym.dfn
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@@ -1,7 +1,7 @@
/* sym.dfn - define format of libpng.sym
*
* Last changed in libpng version 1.5.0 [August 24, 2010]
* Last changed in libpng version 1.5.0 [August 25, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
*
* This code is released under the libpng license.

2
scripts/symbols.dfn
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@@ -1,7 +1,7 @@
/* symbols.dfn - find all exported symbols
*
* Last changed in libpng version 1.5.0 [August 24, 2010]
* Last changed in libpng version 1.5.0 [August 25, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
*
* This code is released under the libpng license.

2
scripts/vers.dfn
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@@ -1,7 +1,7 @@
/* vers.dfn - define format of libpng.vers
*
* Last changed in libpng version 1.5.0 [August 24, 2010]
* Last changed in libpng version 1.5.0 [August 25, 2010]
* Copyright (c) 1998-2010 Glenn Randers-Pehrson
*
* This code is released under the libpng license.