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XCode环境变量及路径设置

發布時間:2024/9/30 编程问答 29 豆豆
生活随笔 收集整理的這篇文章主要介紹了 XCode环境变量及路径设置 小編覺得挺不錯的,現在分享給大家,幫大家做個參考.
一般我們在xcode里面配置包含工程目錄下頭文件的時候,都要關聯著相對路徑和絕對路徑,如果只是自己用這個項目,用絕對路徑的問題不大,但是如果你把工程發給別人,別人就要在改這個絕對路徑,這時候絕對路徑的缺點立馬出現。

所以在修改User Header Search Paths這個選項的時候使用
"$(SRCROOT)/當前工程名字/需要包含頭文件所在文件夾"
將上面的雙引號里面的字符串拷貝之后,你會發現這個“$(SRCROOT)”,會自動變成當前工程所以的目錄。

這樣就可以了,發給別人,別人也不用在去修改路徑了。





xcode4的環境變量,Build Settings參數,workspace及聯編設置

一、xcode4中的環境變量

$(BUILT_PRODUCTS_DIR)

build成功后的,最終產品路徑--可以在Build Settings參數的Per-configuration Build Products Path項里設置

$(TARGET_NAME)

目標工程名稱

$(SRCROOT)

工程文件(比如Nuno.xcodeproj)的路徑?

$(CURRENT_PROJECT_VERSION)

當前工程版本號

?

其他:

當編譯靜態庫,設備選模擬器(iPhone 5.0 Simulator),未設置任何Build Settings參數時,默認的基礎路徑:

/Users/xxx/Library/Developer/Xcode/DerivedData/xxxWorkspace-caepeadwrerdcrftijaolkkagbjf

下面用$()代替上面一長串東東

$(SYMROOT) = $()/Build/Products

$(BUILD_DIR) = $()/Build/Products

$(BUILD_ROOT) = ?$()/Build/Products

這三個變量中的$()不會隨著Build Settings參數的設置而改變

相反,以下可以通過設置而改變

$(CONFIGURATION_BUILD_DIR) = $()/Build/Products/Debug-iphonesimulator

$(BUILT_PRODUCTS_DIR) = $()/Build/Products/Debug-iphonesimulator

$(CONFIGURATION_TEMP_DIR) = $()/Build/Intermediates/UtilLib.build/Debug-iphonesimulator

$(TARGET_BUILD_DIR) = $()/Build/Products/Debug-iphonesimulator

$(SDK_NAME) = iphonesimulator5.0

$(PLATFORM_NAME) = iphonesimulator

$(CONFIGURATION) = Debug

$(TARGET_NAME) = UtilLib

$(EXECUTABLE_NAME) = libUtilLib.a 可執行文件名

${IPHONEOS_DEPLOYMENT_TARGET} 5.0

$(ACTION) = build

$(CURRENTCONFIG_SIMULATOR_DIR) 當前模擬器路徑?

$(CURRENTCONFIG_DEVICE_DIR) 當前設備路徑?

?

$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME =

$()/Build/Products/Debug-iphonesimulator

$(PROJECT_TEMP_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) = $()/Build/Intermediates/UtilLib.build/Debug-iphonesimulator

?

自定義變量

${CONFIGURATION}-iphoneos 表示:Debug-iphoneos

${CONFIGURATION}-iphonesimulator?表示:Debug-iphonesimulator

$(CURRENTCONFIG_DEVICE_DIR) = ${SYMROOT}/${CONFIGURATION}-iphoneos

$(CURRENTCONFIG_SIMULATOR_DIR) = ${SYMROOT}/${CONFIGURATION}-iphonesimulator

自定義一個設備無關的路徑(用來存放各種架構arm6/arm7/i386輸出的產品)

$(CREATING_UNIVERSAL_DIR) = ${SYMROOT}/${CONFIGURATION}-universal

自定義變量代表的值

$(CURRENTCONFIG_DEVICE_DIR) = $()/Build/Products/Debug-iphoneos

$(CURRENTCONFIG_SIMULATOR_DIR) =?$()/Build/Products/Debug-iphonesimulator

$(CREATING_UNIVERSAL_DIR) =?$()/Build/Products/Debug-universal

?

iphoneos5.0下的編譯腳本:

xcodebuild -project "UtilLib.xcodeproj"?-configuration "Debug" -target "UtilLib" -sdk "iphoneos5.0" -arch "armv6 armv7" build RUN_CLANG_STATIC_ANALYZER=NO ?$(BUILD_DIR)="${BUILD_DIR}"?BUILD_ROOT="${BUILD_ROOT}"

?

iphonesimulator5.0下的編譯腳本:

xcodebuild -project "UtilLib.xcodeproj"?-configuration "Debug" -target "UtilLib" -sdk "iphonesimulator5.0" -arch "i386" build RUN_CLANG_STATIC_ANALYZER=NO?$(BUILD_DIR)="${BUILD_DIR}"??BUILD_ROOT="${BUILD_ROOT}"

加上下面一句表示輸出到文件:

>?"${BUILD_ROOT}.build_output"

?

lipo腳本工具:合并iPhone模擬器和真機的靜態類庫,生成通用庫

lipo -create -output?"${CREATING_UNIVERSAL_DIR}/${EXECUTABLE_NAME}" "${CURRENTCONFIG_DEVICE_DIR}/${EXECUTABLE_NAME}" ? ? ? ??"${CURRENTCONFIG_SIMULATOR_DIR}/${EXECUTABLE_NAME}"

意思是:把"${CURRENTCONFIG_DEVICE_DIR}目錄下的.a文件,和${CURRENTCONFIG_SIMULATOR_DIR}目錄下的.a文件合并,

在${CREATING_UNIVERSAL_DIR}目錄下,生成兩個設備都通用的靜態庫,

例如:lipo -create -output xy.a x.a y.a

?

二、xcode4中build Settings常見參數解析

1.Installation Directory:安裝路徑

靜態庫編譯時,在Build Settings中Installation Directory設置“$(BUILT_PRODUCTS_DIR)”

Skip Install設為YES

Installation Directory默認為/usr/local/lib

因為Build Location默認時,.a文件會放在很長(比如:/Users/xxx/Library/Developer/Xcode/DerivedData/xxxProgram

dalrvzehhtesxdfqhxixzafvddwe/Build/Products/Debug-iPhoneos)的路徑下,或是我們target指定的路徑

Skip Install如果是NO,可能會被安裝到默認路徑/usr/local/lib

2.Public Headers Folder Path:對外公開頭文件路徑

設為“include”(具體的頭文件路徑為:$(BUILT_PRODUCTS_DIR)/include/xx.h)

在最終文件.a同級目錄下生成一個include目錄

默認:/usr/local/include

Public Headers Folder Path這個路徑就是使用這lib的某工程需要依賴的外部頭文件.導入這路徑后,#include/import "xx.h"才能看到

3.User Header Search Paths:依賴的外部頭文件搜索路徑

設置為“$(BUILT_PRODUCTS_DIR)/include”

和2中路徑對應

4.Per-configuration Build Products Path:最終文件路徑

比如設為“../app”,就會在工程文件.xcodeproj上一層目錄下的app目錄里,創建最終文件

默認為$(BUILD_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)?

等于$(BUILT_PRODUCTS_DIR)

5.Per-configuration Intermediate Build Files Path:臨時中間文件路徑

默認為:$(PROJECT_TEMP_DIR)/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)

6.Code Signing Identity:真機調試的證書選擇

選一個和Bundle identifier相對應的證書

Library Search Paths:庫搜索路徑

Architectures:架構,設為 armv6 或 armv7

Valid?Architectures:應用框架,可以設為?armv6、?armv7 或i386

Product Name:工程文件名,默認為$(TARGET_NAME)

Info.plist File:info文件路徑

Build Variants:默認為normal

Other Linker Flags:其他鏈接標簽

設為“-ObjC”

當導入的靜態庫使用了類別,需要設為-ObjC

iOS Deployment Target:ios部署對象

比如可以選擇設為,ios3到ios5的一種版本

Prefix Header:預編頭文件(比如:UtilLib/UtilLib-Prefix.pch)

Precompile?Prefix Header:設為“Yes”,表示允許加入預編譯頭

?

三、workspace(工作區)

作用:管理多個工程(project),多工程聯編

?

四、workspace多工程聯編設置

一、

1.新建一個靜態庫工程,比如UtilLib,并生成UtilLib.h和UtilLib.m文件

2.選中需要公開的頭文件,


把右側欄的Target Membership中設置為public


或則,選中工程目錄target的Build Phases標簽的copy headers項,在public中添加要公開的頭文件


3.Architectures設為:armv6 armv7

4.Valid?Architectures設為:armv6 armv7 i386

5.Build Products Path設為:$(SRCROOT)/../build

6.Per-configuration Build Products Path設為:

$(SRCROOT)/../build/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)

7.Per-configuration Intermediate Build Files Path設為:

$(SRCROOT)/../build/$(TARGET_NAME).build/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)

8.設置安裝路徑:Installation Directory項


9.設置對外公開的頭文件路徑:Public Headers Folder Path項



10.為靜態庫添加依賴的shell腳本

選中工程目錄target的Build Phases標簽,點擊由下角的Add Build Phase按鈕


在彈出的菜單里選擇Add run script項,然后頁面中會多出一個Run Script項


在黑框里填寫"$SRCROOT/mergeArmSymbols.sh"


建立對此腳本的依賴(編譯靜態庫的后會運行此腳本)

如果編譯時設備選的是iphone simulator:

則此腳本會在對應iphone device的產品目錄Debug-iphoneos中,生成對device有用的.a靜態庫,

相反,如果設備選的是iphone?device:

則此腳本會在對應iphone simulator的產品目錄Debug-iphoneos中,生成對simulator有用的.a靜態庫

最后,此腳本調用lipo工具,把本工程生成靜態庫與此腳本生成的靜態庫合并,生成simulator和device都通用的.a文件

?

11.具體bash shell腳本如下

[plain]?view plaincopy
  • mergeArmSymbols.sh??
  • ?#?Version?2.0?(updated?for?Xcode?4,?with?some?fixes)??
  • ???
  • ?#?Author:?Adam?Martin?-?http://twitter.com/redglassesapps??
  • ?#?Based?on:?original?script?from?Eonil?(main?changes:?Eonil's?script?WILL?NOT?WORK?in?Xcode?GUI?-?it?WILL?CRASH?YOUR?COMPUTER)??
  • ?#??
  • ?#?More?info:?see?this?Stack?Overflow?question:?http://stackoverflow.com/questions/3520977/build-fat-static-library-device-simulator-using-xcode-and-sdk-4??
  • ???
  • ?#################[?Tests:?helps?workaround?any?future?bugs?in?Xcode?]########??
  • ?#??
  • ?DEBUG_THIS_SCRIPT="true"??
  • ???
  • ?if?[?$DEBUG_THIS_SCRIPT?=?"true"?]??
  • ?then??
  • ?echo?"###########?TESTS?#############"??
  • ?echo?"Use?the?following?variables?when?debugging?this?script;?note?that?they?may?change?on?recursions"??
  • ?echo?"BUILD_DIR?=?$BUILD_DIR"??
  • ?echo?"BUILD_ROOT?=?$BUILD_ROOT"??
  • ?echo?"CONFIGURATION_BUILD_DIR?=?$CONFIGURATION_BUILD_DIR"??
  • ?echo?"BUILT_PRODUCTS_DIR?=?$BUILT_PRODUCTS_DIR"??
  • ?echo?"CONFIGURATION_TEMP_DIR?=?$CONFIGURATION_TEMP_DIR"??
  • ?echo?"TARGET_BUILD_DIR?=?$TARGET_BUILD_DIR"??
  • ?echo?"SDK_NAME?=?$SDK_NAME"??
  • ?echo?"PLATFORM_NAME?=?$PLATFORM_NAME"??
  • ?echo?"CONFIGURATION?=?$CONFIGURATION"??
  • ?echo?"TARGET_NAME?=?$TARGET_NAME"??
  • ?echo?"ARCH_TO_BUILD?=?$ARCH_TO_BUILD"??
  • ?echo?"ARCH_TO_BUILD?=?$ARCH_TO_BUILD"??
  • ?echo?"ACTION?=?$ACTION"??
  • ?echo?"SYMROOT?=?$SYMROOT"??
  • ?echo?"EXECUTABLE_NAME?=?$EXECUTABLE_NAME"??
  • ?echo?"CURRENTCONFIG_SIMULATOR_DIR?=?$CURRENTCONFIG_SIMULATOR_DIR"??
  • ?echo?"CURRENTCONFIG_DEVICE_DIR?=?$CURRENTCONFIG_DEVICE_DIR"??
  • ???
  • ?echo?"#############Other###########"??
  • ?echo?"BUILD_DIR/CONFIGURATION/EFFECTIVE_PLATFORM_NAME?=?$BUILD_DIR/$CONFIGURATION$EFFECTIVE_PLATFORM_NAME"??
  • ???
  • ?echo?"PROJECT_TEMP_DIR/CONFIGURATION/EFFECTIVE_PLATFORM_NAME?=?$PROJECT_TEMP_DIR/$CONFIGURATION$EFFECTIVE_PLATFORM_NAME"??
  • ???
  • ?fi??
  • ???
  • ?#####################[?part?1?]##################??
  • ?#?First,?work?out?the?BASESDK?version?number??
  • ?#????(incidental:?searching?for?substrings?in?sh?is?a?nightmare!?Sob)??
  • ???
  • ?SDK_VERSION=$(echo?${SDK_NAME}?|?grep?-o?'.\{3\}$')??
  • ???
  • ?#?Next,?work?out?if?we're?in?SIM?or?DEVICE??
  • ???
  • ?if?[?${PLATFORM_NAME}?=?"iphonesimulator"?]??
  • ?then??
  • ?OTHER_SDK_TO_BUILD=iphoneos${SDK_VERSION}??
  • ?ARCH_TO_BUILD="armv6?armv7"??
  • ?else??
  • ?OTHER_SDK_TO_BUILD=iphonesimulator${SDK_VERSION}??
  • ?ARCH_TO_BUILD="i386"??
  • ?fi??
  • ???
  • ?echo?"XCode?has?selected?SDK:?${PLATFORM_NAME}?with?version:?${SDK_VERSION}?(although?back-targetting:?${IPHONEOS_DEPLOYMENT_TARGET})"??
  • ?echo?"...therefore,?OTHER_SDK_TO_BUILD?=?${OTHER_SDK_TO_BUILD}"??
  • ?#??
  • ?#####################[?end?of?part?1?]##################??
  • ???
  • ?#####################[?part?2?]##################??
  • ?#??
  • ?#?IF?this?is?the?original?invocation,?invoke?whatever?other?builds?are?required??
  • ?#??
  • ?#?Xcode?is?already?building?ONE?target...?build?ONLY?the?missing?platforms/configurations.??
  • ???
  • ?if?[?"true"?==?${ALREADYINVOKED:-false}?]??
  • ?then??
  • ?echo?"RECURSION:?Not?the?root?invocation,?don't?recurse"??
  • ?else??
  • ?#?Prevent?recursion??
  • ?export?ALREADYINVOKED="true"??
  • ???
  • ?echo?"RECURSION:?I?am?the?root...?recursing?all?missing?build?targets..."??
  • ?echo?"RECURSION:?...about?to?invoke:?xcodebuild?-configuration?\"${CONFIGURATION}\"?-target?\"${TARGET_NAME}\"?-sdk?\"${OTHER_SDK_TO_BUILD}\"?-arch?\"${ARCH_TO_BUILD}\"?${ACTION}?RUN_CLANG_STATIC_ANALYZER=NO"??
  • ?xcodebuild?-project?"${TARGET_NAME}.xcodeproj"?-configuration?"${CONFIGURATION}"?-target?"${TARGET_NAME}"?-sdk?"${OTHER_SDK_TO_BUILD}"?-arch?"${ARCH_TO_BUILD}"?${ACTION}?RUN_CLANG_STATIC_ANALYZER=NO?BUILD_DIR="${BUILD_DIR}"?BUILD_ROOT="${BUILD_ROOT}"?>?"${BUILD_ROOT}.build_output"??
  • ?ACTION="build"??
  • ???
  • ?#?Merge?all?platform?binaries?as?a?fat?binary?for?each?configurations.??
  • ???
  • ?#?Calculate?where?the?(multiple)?built?files?are?coming?from:??
  • ?CURRENTCONFIG_DEVICE_DIR=${SRCROOT}/../build/${CONFIGURATION}-iphoneos??
  • ?CURRENTCONFIG_SIMULATOR_DIR=${SRCROOT}/../build/${CONFIGURATION}-iphonesimulator??
  • ???
  • ?echo?"Taking?device?build?from:?${CURRENTCONFIG_DEVICE_DIR}"??
  • ?echo?"Taking?simulator?build?from:?${CURRENTCONFIG_SIMULATOR_DIR}"??
  • ???
  • ?CREATING_UNIVERSAL_DIR=${SRCROOT}/../build/${CONFIGURATION}-universal??
  • ?echo?"...outputing?a?universal?arm6/arm7/i386?build?to:?${CREATING_UNIVERSAL_DIR}"??
  • ???
  • ?#?...?remove?the?products?of?previous?runs?of?this?script??
  • ?#??????NB:?this?directory?is?only?created?by?this?script?-?it?should?be?safe?to?delete??
  • ???
  • ?rm?-rf?"${CREATING_UNIVERSAL_DIR}"??
  • ?mkdir?"${CREATING_UNIVERSAL_DIR}"??
  • ???
  • ?#??
  • ?echo?"lipo:?for?current?configuration?(${CONFIGURATION})?creating?output?file:?${CREATING_UNIVERSAL_DIR}/${EXECUTABLE_NAME}"??
  • ?lipo?-create?-output?"${CREATING_UNIVERSAL_DIR}/${EXECUTABLE_NAME}"?"${CURRENTCONFIG_DEVICE_DIR}/${EXECUTABLE_NAME}"?"${CURRENTCONFIG_SIMULATOR_DIR}/${EXECUTABLE_NAME}"??
  • ???
  • ?#######custom########??
  • ?#copy?universal?lib?to?../libs??
  • ?libsDir=../libs??
  • ?includeDir=../include??
  • ???
  • ?rm?-rf?"${libsDir}"??
  • ?mkdir?-p?"${libsDir}"??
  • ???
  • ?echo?"cp?-R?${CREATING_UNIVERSAL_DIR}/${EXECUTABLE_NAME}?${libsDir}"??
  • ???
  • ?cp?-R?"${CREATING_UNIVERSAL_DIR}/${EXECUTABLE_NAME}"?"${libsDir}"??
  • ???
  • ?echo?"cp?-R?${CURRENTCONFIG_DEVICE_DIR}/include?${includeDir}"??
  • ???
  • ?cp?-R?"${CURRENTCONFIG_DEVICE_DIR}/include"?"${includeDir}"??
  • ???
  • ?fi??


  • 下載右邊的圖片,然后把后綴改為.sh(其實就是上面的腳本,因為博客園只能上傳圖片)

    靜態庫編譯后的目錄結構如下:



    ?

    二、?

    1.新建主工程,比如Nuno,添加對靜態庫的依賴

    點擊工程,在Build Phases標簽的Link Binary With Libraries項中點擊加號添加UtilLib.a庫




    選中上面的紅色項,在右邊欄的Location選Relative to Project,把值設為../libs/libUtilLib.a

    2.設置主工程依賴的外部頭文件路徑:User Header Search Paths項

    $(SRCROOT)/../include

    3.設置Header Search Paths為:$(SRCROOT)/../include

    4.設置Library Search Paths為:$(SRCROOT)/../libs

    編譯運行即可實現聯編?

    ?

    (備注:選擇模擬器iphone 5.0?simulator,編譯靜態庫的時,最終文件會在Debug-iphonesimulator,就算成功.a文件還是紅色,

    這是可能是xcode的bug,不會自動切換路徑

    因為$(BUILT_PRODUCTS_DIR)所指的位置,是build/Debug-iphonesos,不是包含最終.a文件的Debug-iphonesimulator;

    選擇ios Device,編譯成的最終文件才在build/Debug-iphonesos下,.a文件變成非紅色

    所有得用mergeArmSymbols.sh腳本來解決)



    reference:?

    http://blog.sina.com.cn/s/blog_6de18992010190kk.html

    http://www.cnblogs.com/xiaodao/archive/2012/03/28/2422091.html

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