--- old/src/java.desktop/macosx/native/libsplashscreen/libpng/zlib.h 2018-06-08 10:48:57.679893467 +0200 +++ /dev/null 2018-04-09 10:52:47.747668516 +0200 @@ -1,56 +0,0 @@ -/* - * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -/* - * This header file is used to hijack the include of "zlib.h" from libpng on - * Macos. We do that to be able to build on macos 10.13 or later, but still - * keep binary compatibility with older versions (as specified to configure). - * - * The problem is that in 10.13, Macos shipped with a newer version of zlib, - * which exports the function inflateValidate. There is a call to this - * function in pngrutil.c, guarded by a preprocessor check of ZLIB_VERNUM being - * high enough. If we compile this call in and link to the newer version of - * zlib, we will get link errors if the code is executed on an older Mac with - * an older version of zlib. - * - * The zlib.h header in Macos has been annotated with Macos specific macros that - * guard these kinds of version specific APIs, but libpng is not using those - * checks in its conditionals, just ZLIB_VERNUM. To fix this, we check for the - * MAC_OS_X_VERSION_MIN_REQUIRED macro here and adjust the ZLIB_VERNUM to the - # known version bundled with that release. This solution is certainly a hack, - * but it seems the affected versions of zlib.h are compatible enough for this - * to work. - */ - -#include -#include - -#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12 -# undef ZLIB_VERNUM -# define ZLIB_VERNUM 0x1250 -#elif MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_13 -# undef ZLIB_VERNUM -# define ZLIB_VERNUM 0x1280 -#endif --- /dev/null 2018-04-09 10:52:47.747668516 +0200 +++ new/src/java.desktop/macosx/native/libsplashscreen/libpng/zlibwrapper/zlib.h 2018-06-08 10:48:57.299893469 +0200 @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/* + * This header file is used to hijack the include of "zlib.h" from libpng on + * Macos. We do that to be able to build on macos 10.13 or later, but still + * keep binary compatibility with older versions (as specified to configure). + * + * The problem is that in 10.13, Macos shipped with a newer version of zlib, + * which exports the function inflateValidate. There is a call to this + * function in pngrutil.c, guarded by a preprocessor check of ZLIB_VERNUM being + * high enough. If we compile this call in and link to the newer version of + * zlib, we will get link errors if the code is executed on an older Mac with + * an older version of zlib. + * + * The zlib.h header in Macos has been annotated with Macos specific macros that + * guard these kinds of version specific APIs, but libpng is not using those + * checks in its conditionals, just ZLIB_VERNUM. To fix this, we check for the + * MAC_OS_X_VERSION_MIN_REQUIRED macro here and adjust the ZLIB_VERNUM to the + # known version bundled with that release. This solution is certainly a hack, + * but it seems the affected versions of zlib.h are compatible enough for this + * to work. + */ + +#include +#include + +#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12 +# undef ZLIB_VERNUM +# define ZLIB_VERNUM 0x1250 +#elif MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_13 +# undef ZLIB_VERNUM +# define ZLIB_VERNUM 0x1280 +#endif