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我正在尝试使用PDColoredProgressView from here。这是工作，但由于某种原因，XCode认为它没有它，并抛出了27苹果Mach-O连接器（Id）的错误。咦？任何人都可以解码吗？谢谢！Apple Mach-O链接器（Id）错误PDColoredProgressView
Ld /Users/xxxxxxxx/Library/Developer/Xcode/DerivedData/xxxxx-cqamvgtgfzdealbjtkomtjzxkdgr/Build/Intermediates/xxxxxxx.build/Debug-iphoneos/xxxxx.build/Objects-normal/armv6/xxxxx normal armv6
cd "/Users/xxxxxxx/Documents/iPhone Apps/xxxxx"
setenv IPHONEOS_DEPLOYMENT_TARGET 4.0
setenv PATH "/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc-4.2 -arch armv6 -isysroot /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS4.3.sdk -L/Users/xxxxxxxxx/Library/Developer/Xcode/DerivedData/xxxxx-cqamvgtgfzdealbjtkomtjzxkdgr/Build/Products/Debug-iphoneos -F/Users/xxxxxxxxx/Library/Developer/Xcode/DerivedData/xxxxx-cqamvgtgfzdealbjtkomtjzxkdgr/Build/Products/Debug-iphoneos -filelist /Users/xxxxxxxxx/Library/Developer/Xcode/DerivedData/xxxxx-cqamvgtgfzdealbjtkomtjzxkdgr/Build/Intermediates/xxxxx.build/Debug-iphoneos/xxxxx.build/Objects-normal/armv6/xxxxx.LinkFileList -dead_strip -miphoneos-version-min=4.0 -framework UIKit -framework Foundation -framework QuartzCore -o /Users/xxxxxxxxx/Library/Developer/Xcode/DerivedData/xxxxx-cqamvgtgfzdealbjtkomtjzxkdgr/Build/Intermediates/xxxxx.build/Debug-iphoneos/xxxxx.build/Objects-normal/armv6/xxxxx
Undefined symbols for architecture armv6:
"_CGRectGetMinX", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGRectGetMinY", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGContextSetRGBStrokeColor", referenced from:
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextSetLineWidth", referenced from:
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextIsPathEmpty", referenced from:
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGColorSpaceCreateDeviceRGB", referenced from:
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGContextSaveGState", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGRectGetHeight", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
"_CGContextStrokeRect", referenced from:
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextRestoreGState", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGContextSetFillColorWithColor", referenced from:
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGRectGetWidth", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
"_CGContextTranslateCTM", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGContextScaleCTM", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
"_CGContextSetRGBFillColor", referenced from:
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextMoveToPoint", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextFillRect", referenced from:
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextClip", referenced from:
_fillRectWithLinearGradient in PDColoredProgressView.o
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextAddLineToPoint", referenced from:
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextStrokePath", referenced from:
-[PDColoredProgressView drawRect:] in PDColoredProgressView.o
"_CGContextAddRect", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
"_CGGradientRelease", referenced from:
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGContextDrawLinearGradient", referenced from:
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGColorSpaceRelease", referenced from:
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGContextAddArcToPoint", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
"_CGGradientCreateWithColorComponents", referenced from:
_fillRectWithLinearGradient in PDColoredProgressView.o
"_CGContextClosePath", referenced from:
_addRoundedRectToPath in PDColoredProgressView.o
ld: symbol(s) not found for architecture armv6
collect2: ld returned 1 exit status
谢谢！
*注：我从错误消息打消了我的用户名和应用程序的名称，并取而代之X的