修改Xcode配置并支持iPhone上dylib工程是本文要介绍的内容,逛坛子发现一篇好文章,与大家分享一下,先来看内容。此帖纯粹讨论怎样更改xcode配置来使其支持创建iphone上的dylib工程文件,不涉及任何其他破解话题!
测试机器:10.6 with Xcode3.2
最近在研究如何创建iphone上的dylib文件,google出来的都是toolchain的东西,使用makefile来编译的,像我这种习惯IDE的人来说非常之不爽,所以花了一天时间来破解了下Xcode来让它可以创建编译iphone上的dylib文件的工程。
简单说下分析思路吧
首先xcode支持创建iphone static libtary和Cocoa的dynamic linrary的工程,通过不同编译对比可以发现Xcode通过productType = "com.apple.product-type.library.dynamic";配置来确定工程类型的。
打开**.xcodeproj/project.pbxproj文件,搜索productType=定位,可以发现如下图所示的内容
[attachment=10545]
可以创建一个iphone的static工程把static改成dynamic编译看看,可以发现xcode提示不支持dynamic类型的工程,无法编译,那我们让他支持就好了。
我们需要修改以下文件
- /Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Specifications/iPhoneOSProductTypes.xcspec
- /Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Specifications/iPhoneOSPackageTypes.xcspec
- 在iPhoneOSProductTypes.xcspec中添加下列片段
- // Dynamic library
- { Type = ProductType;
- Identifier = com.apple.product-type.library.dynamic;
- Class = PBXStaticLibraryProductType;
- Name = "Dynamic Library";
- Description = "Dynamic library";
- IconNamePrefix = "TargetLibrary";
- DefaultTargetName = "Dynamic Library";
- DefaultBuildProperties = {
- FULL_PRODUCT_NAME = "$(EXECUTABLE_NAME)";
- MACH_O_TYPE = "mh_dylib";
- REZ_EXECUTABLE = YES;
- EXECUTABLE_PREFIX = "";
- EXECUTABLE_SUFFIX = ".$(EXECUTABLE_EXTENSION)";
- EXECUTABLE_EXTENSION = "dylib";
- PUBLIC_HEADERS_FOLDER_PATH = "/usr/local/include";
- PRIVATE_HEADERS_FOLDER_PATH = "/usr/local/include";
- INSTALL_PATH = "/usr/local/lib";
- DYLIB_INSTALL_NAME_BASE = "$(INSTALL_PATH)";
- LD_DYLIB_INSTALL_NAME = "$(DYLIB_INSTALL_NAME_BASE:standardizepath)/$(EXECUTABLE_PATH)";
- DYLIB_COMPATIBILITY_VERSION = "1";
- DYLIB_CURRENT_VERSION = "1";
- FRAMEWORK_FLAG_PREFIX = "-framework";
- LIBRARY_FLAG_PREFIX = "-l";
- LIBRARY_FLAG_NOSPACE = YES;
- STRIP_STYLE = "debugging";
- GCC_INLINES_ARE_PRIVATE_EXTERN = YES;
- CODE_SIGNING_ALLOWED = NO;
- };
- PackageTypes = (
- com.apple.package-type.mach-o-library // default
- );
- },
- 在iPhoneOSPackageTypes.xcspec中添加下列片段
- // Mach-O dynamic library
- { Type = PackageType;
- Identifier = com.apple.package-type.mach-o-library;
- Name = "Mach-O Dynamic Library";
- Description = "Mach-O dynamic library";
- DefaultBuildSettings = {
- EXECUTABLE_PREFIX = "";
- EXECUTABLE_SUFFIX = ".dylib";
- EXECUTABLE_NAME = "$(EXECUTABLE_PREFIX)$(PRODUCT_NAME)$(EXECUTABLE_VARIANT_SUFFIX)$(EXECUTABLE_SUFFIX)";
- EXECUTABLE_PATH = "$(EXECUTABLE_NAME)";
- };
- ProductReference = {
- FileType = compiled.mach-o.dylib;
- Name = "$(EXECUTABLE_NAME)";
- IsLaunchable = NO;
- };
- },
文件附上,可以直接下载替换,替换/修改前做好备份
[attachment=10546]
现在再编译应该不会提示工程不支持了,那么剩下的就是改变其编译选项了,就是libtool的参数问题。
我们需要修改下列文件
- /Developer/Library/Xcode/Plug-ins/CoreBuildTasks.xcplugin/Contents/Resources/Libtool.xcspec
- /Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Plug-ins/iPhoneOS Build System Support.
- xcplugin/Contents/Resources/iPhoneLinkerOptions.xcspec
- 在Libtool.xcspec中添加下列片段
- { Identifier = com.apple.pbx.linkers.libtooldynamic;
- Type = Linker;
- Class = PBXLinkerSpecificationLibtool;
- Name = "Libtool";
- Description = "Create a dynamic library using Apple Mach-O Librarian (libtool)";
- IsAbstract = Yes; // This is an internal tool, so we keep it out of the user interface
- BinaryFormats = (mach-o);
- Architectures = (ppc, ppc7400, ppc7450, ppc970, ppc64, i386, x86_64);
- CommandLine = "$(LIBTOOL) -dynamic -arch_only $(arch) -compatibility_version $(DYLIB_COMPATIBILITY_VERSION)
- -current_version $(DYLIB_CURRENT_VERSION) [options] [special-args] -o $(OutputPath)";
- // 'special-args' includes the input files
- RuleName = "Libtool $(OutputPath) $(variant) $(arch)";
- ExecDescription = "Create Dynamic Library $(OutputPath:file)";
- InputFileTypes = (
- compiled.mach-o.objfile
- );
- Outputs = (
- // We're a linker-like task, so we expect to be given an output path in 'OutputPath'.
- "$(OutputPath)"
- );
- CommandOutputParser = XCGccCommandOutputParser;
- Options = (
- // LIBTOOL
- { Name = LIBTOOL;
- Type = Path;
- DefaultValue = "$(PLATFORM_DEVELOPER_BIN_DIR)/libtool";
- },
- // SDK
- { Name = SDKROOT;
- Type = Path;
- CommandLineFlag = "-syslibroot";
- IsInputDependency = Yes;
- },
- // Search paths
- { Name = LIBRARY_SEARCH_PATHS;
- Type = PathList;
- FlattenRecursiveSearchPathsInValue = Yes; // causes any paths that have a '/**' suffix to be replaced with matching paths
- CommandLinePrefixFlag = "-L";
- },
- // Input file lists
- { Name = __INPUT_FILE_LIST_PATH__;
- Type = Path;
- DefaultValue = "$(LINK_FILE_LIST_$(variant)_$(arch))"; // this is set up for us as a read-only property
- CommandLineFlag = "-filelist";
- IsInputDependency = Yes;
- },
- { Name = auxiliary_file_lists;
- Type = PathList;
- CommandLineFlag = "-filelist";
- IsInputDependency = Yes;
- },
- // Various flags
- { Name = ALL_OTHER_LIBTOOLFLAGS;
- Type = StringList;
- DefaultValue = "$(LD_FLAGS) $(SECTORDER_FLAGS) $(OTHER_LDFLAGS) $(OTHER_LDFLAGS_$(variant))
- $(OTHER_LDFLAGS_$(arch)) $(OTHER_LDFLAGS_$(variant)_$(arch)) $(OTHER_LIBTOOLFLAGS) $(OTHER_LIBTOOLFLAGS_$(variant))
- $(OTHER_LIBTOOLFLAGS_$(arch)) $(OTHER_LIBTOOLFLAGS_$(variant)_$(arch)) $(PRODUCT_SPECIFIC_LIBTOOLFLAGS)";
- CommandLinePrefixFlag = "";
- },
- { Name = EXPORTED_SYMBOLS_FILE;
- Type = Path;
- Condition = "$(SEPARATE_SYMBOL_EDIT) == NO";
- CommandLineFlag = "-exported_symbols_list";
- IsInputDependency = Yes;
- },
- { Name = UNEXPORTED_SYMBOLS_FILE;
- Type = Path;
- Condition = "$(SEPARATE_SYMBOL_EDIT) == NO";
- CommandLineFlag = "-unexported_symbols_list";
- IsInputDependency = Yes;
- },
- { Name = AdditionalCommandLineArguments;
- Type = StringList;
- CommandLinePrefixFlag = "";
- },
- { Name = MACOSX_DEPLOYMENT_TARGET;
- Type = String;
- SetValueInEnvironmentVariable = "MACOSX_DEPLOYMENT_TARGET";
- },
- );
- },
在iPhoneLinkerOptions.xcspec中搜索
- BasedOn = "default:com.apple.pbx.linkers.libtool";
替换成
- BasedOn = "default:com.apple.pbx.linkers.libtooldynamic";
这样修改后编译iphone的library工程师都会使用dynamic的参数来编译,
注意:如果要编译iphone static library这里需要将libtooldynamic修改回libtool并重启Xcode(***的小缺陷,应该可以通过hook xcode编译设置函数来动态修改,很麻烦,需要很多时间去找到相应的方法,找了一会儿就没高兴继续,先将就用吧)
做好以上工作后就可以创建并编译iphone上dynamic library的工程了。
这里附上工程和target模板文件
- [attachment=10547]
解压此zip得到Cocoa Touch Dynamic Library文件夹,将其放到
- /Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Project Templates/Library/下面
- [attachment=10548]
解压此zip得到Dynamic Library.trgttmpl文件,将其放到
- /Developer/Platforms/iPhoneOS.platform/Developer/Library/Xcode/Target Templates/Cocoa Touch/下面
重启Xcode就可以看到了,如图
- [attachment=10549] [attachment=10550]
测试结果
- [attachment=10551]
使用otool查看编译出来的dylib文件
- [attachment=10552]
成功!
谨记!!!!!需要修改文件来切换回编译static library!!!
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