| /* |
| * Copyright (C) 2006 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "WebKitVersionChecks.h" |
| |
| #import <mach-o/dyld.h> |
| |
| static int WebKitLinkTimeVersion(void); |
| static int overridenWebKitLinkTimeVersion; |
| |
| BOOL WebKitLinkedOnOrAfter(int version) |
| { |
| #if !PLATFORM(IOS) |
| return (WebKitLinkTimeVersion() >= version); |
| #else |
| int32_t linkTimeVersion = WebKitLinkTimeVersion(); |
| int32_t majorVersion = linkTimeVersion >> 16 & 0x0000FFFF; |
| |
| // The application was not linked against UIKit so assume most recent WebKit |
| if (linkTimeVersion == -1) |
| return YES; |
| |
| return (majorVersion >= version); |
| #endif |
| } |
| |
| void setWebKitLinkTimeVersion(int version) |
| { |
| overridenWebKitLinkTimeVersion = version; |
| } |
| |
| static int WebKitLinkTimeVersion(void) |
| { |
| if (overridenWebKitLinkTimeVersion) |
| return overridenWebKitLinkTimeVersion; |
| |
| #if !PLATFORM(IOS) |
| return NSVersionOfLinkTimeLibrary("WebKit"); |
| #else |
| // <rdar://problem/6627758> Need to implement WebKitLinkedOnOrAfter |
| // Third party applications do not link against WebKit, but rather against UIKit. |
| return NSVersionOfLinkTimeLibrary("UIKit"); |
| #endif |
| } |
| |
| bool linkedOnOrAfter(SDKVersion sdkVersion) |
| { |
| return dyld_get_program_sdk_version() >= static_cast<uint32_t>(sdkVersion); |
| } |