生 成调试符号GCC_GENERATE_DEBUGGING_SYMBOLS = NO当启用的时候,详情等级能够通过build的’Level of Debug Symbols’设置去控制。 隐藏内联方法GCC_INLINES_ARE_PRIVATE_EXTERN = YES Objective-C GCGCC_ENABLE_OBJC_GC = Unsupported 优化级别GCC_OPTIMIZATION_LEVEL = Fastest, Smallest [-OS] None: 不做优化使...
GCC_INLINES_ARE_PRIVATE_EXTERN = YES Objective-C GC GCC_ENABLE_OBJC_GC = Unsupported 优化级别 GCC_OPTIMIZATION_LEVEL = Fastest, Smallest [-OS] None: 不做优化使用这个设置,编译器的目标是减少编译成本,使调试产生预期的结果。 Fast:优化编译将为大函数占用更多的时间和内存使用这个设置,编译器将尝试减少...
编译器前端(frontend)、优化器、编译器后端(backend) iOS开发中我们目前采用的编译器是LLVM,曾经有用GCC(GNU Compiler Collection)。 LLVM LLVM 项目是模块化和可重用的编译器和工具链技术的集合,它的命名最早源自于底层虚拟机器(Low Level Virtual Machine),后面随着项目的发展,LLVM决定放弃缩写的含义,直接打造成了...
GCC normally generates special code to handle certain builtin functions more efficiently; for instance, calls to alloca may become single instructions that adjust the stack directly, and calls to memcpy may become inline copy loops. The resulting code is often both smaller and faster, but since t...
GCC_OPTIMIZATION_LEVEL = Fastest, Smallest [-OS] None: 不做优化使用这个设置,编译器的目标是减少编译成本,使调试产生预期的结果。 Fast:优化编译将为大函数占用更多的时间和内存使用这个设置,编译器将尝试减少代码的大小和执行时间,不进行任何优化,需要大量编译时间。
Optimization Level (GCC_OPTIMIZATION_LEVEL) Specifies the degree to which the generated code is optimized for speed and binary size. None: Do not optimize. -O0 With this setting, the compiler's goal is to reduce the cost of compilation and to make debugging produce the expected results. ...
Unsupported 优化级别GCC_OPTIMIZATION_LEVEL = Fastest, Smallest [-OS] None: 不做优化使用这个设置,编译器的目标是减少编译成本,使调试产生预期的结果。 Fast:优化编译将为大函数占用更多的时间和内存使用这个设置,编译器将尝试减少代码的大小和执行时间,不进行任何优化,需要大量编译时间。 Faster:编译器执行几乎所有...
whileturning off code optimization. The Release build configurationturns off Fix and Continue. The code-optimization level is set toits highest by default, through the Optimization Level(GCC_OPTIMIZATION_LEVEL)build setting. Note that the Release build configuration doesn’tturn on Deployment Location ...
SWIFT_OPTIMIZATION_LEVEL: "-Onone" SWIFT_COMPILATION_MODE: incremental ENABLE_TESTABILITY: YES GCC_OPTIMIZATION_LEVEL: 0 ONLY_ACTIVE_ARCH: YES DEBUG_INFORMATION_FORMAT: dwarf ENABLE_PREVIEWS: YES SWIFT_ACTIVE_COMPILATION_CONDITIONS: "DEBUG PREVIEW" release: SWIFT_OPTIMIZATION_LEVEL: "-O" SWIFT_COMPI...
CODE_SIGN_ENTITLEMENTS = ""; CODE_SIGN_IDENTITY = ""; "CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer"; GCC_C_LANGUAGE_STANDARD = gnu99; GCC_OPTIMIZATION_LEVEL = 0; GCC_PREPROCESSOR_DEFINITIONS = ( DEBUG, "COCOS2D_DEBUG=1", ); GCC_SYMBOLS_PRIVATE_EXTERN = NO; GCC_VERSION ...