sqlite3 – 向项目添加外部库时出现“Apple Mach-O(id)链接器”

发布时间：2020-12-12 18:59:54 所属栏目：百科来源：网络整理

导读：我将FMDB添加到我的项目然后添加了框架libsqlite3.dylib和libsqlite3.0.dylib,但我仍然得到构建错误.如果我从我的项目中删除FMDB类,那么它构建就好了.我还应该检查其他什么？有关错误的详细信息： Ld /Users/gmi/Library/Developer/Xcode/DerivedData/iNROM

我将FMDB添加到我的项目然后添加了框架libsqlite3.dylib和libsqlite3.0.dylib,但我仍然得到构建错误.如果我从我的项目中删除FMDB类,那么它构建就好了.我还应该检查其他什么？

有关错误的详细信息：

Ld /Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Products/Debug->iphonesimulator/iNROMockUp5.app/iNROMockUp5 normal i386
cd /iOSDev/Testing/iNROMockUp5
setenv MACOSX_DEPLOYMENT_TARGET 10.6
setenv PATH >”/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bi>n:/bin:/usr/sbin:/sbin”
/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/llvm-gcc-4.2 -arch i386 >-isysroot >/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator4.3.sdk ->L/Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Products/Debug-iphonesimulator ->F/Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Products/Debug-iphonesimulator -filelist >/Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Intermediates/iNROMockUp5.build/Debug->iphonesimulator/iNROMockUp5.build/Objects-normal/i386/iNROMockUp5.LinkFileList -mmacosx->version-min=10.6 -Xlinker -objc_abi_version -Xlinker 2 -lsqlite3 -lsqlite3.0 -framework >MapKit -framework UIKit -framework Foundation -framework CoreGraphics -o >/Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Products/Debug->iphonesimulator/iNROMockUp5.app/iNROMockUp5

ld: duplicate symbol _main in /Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Intermediates/iNROMockUp5.build/Debug->iphonesimulator/iNROMockUp5.build/Objects-normal/i386/fmdb.o and >/Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Intermediates/iNROMockUp5.build/Debug->iphonesimulator/iNROMockUp5.build/Objects-normal/i386/main.o for architecture i386
collect2: ld returned 1 exit status
Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/llvm-gcc-4.2 failed >with exit code 1

ld: duplicate symbol _main in /Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Intermediates/iNROMockUp5.build/Debug->iphonesimulator/iNROMockUp5.build/Objects-normal/i386/fmdb.o and >/Users/gmi/Library/Developer/Xcode/DerivedData/iNROMockUp5->gjmgpakyszrgwbbxnkdxehexacxm/Build/Intermediates/iNROMockUp5.build/Debug->iphonesimulator/iNROMockUp5.build/Objects-normal/i386/main.o for architecture i386

Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/llvm-gcc-4.2 failed with exit code 1

解决方法

从你的项目中删除fmdb.m,你会没事的.

（编辑：李大同）

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