library not found for -lnsl - What should I do? (MAC)

[wysota]

So let me get this straight. You are building a library of your own or is it an application in its own right? Does the compilation of the library fail or of the application using this library? What is this "uni_net" library?

[rickrvo]

the 2nd was a library to work with the 1st set of errors which is an application.

but never mind! I've already figured out the error! -lcrypto was missing... thanks anyway!

the library compiled fine but then the main application returned thousands of errors like these...

/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:126: error: declaration for parameter 'NSBlack' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:125: error: declaration for parameter 'NSDarkGray' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:124: error: declaration for parameter 'NSLightGray' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:123: error: declaration for parameter 'NSWhite' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:110: error: declaration for parameter 'NSWindowDepth' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:76: error: declaration for parameter 'NSColorRenderingIntent' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:65: error: declaration for parameter 'NSFocusRingType' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:56: error: declaration for parameter 'NSFocusRingPlacement' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:48: error: declaration for parameter 'NSWindowOrderingMode' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:40: error: declaration for parameter 'NSBackingStoreType' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:32: error: declaration for parameter 'NSCompositingOperation' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSTextCheckingResult.h:32: error: declaration for parameter 'NSTextCheckingTypes' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSTextCheckingResult.h:25: error: declaration for parameter 'NSTextCheckingType' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptWhoseTests.h:24: error: declaration for parameter 'NSTestComparisonOperation' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptStandardSuiteCommands.h:19: error: declaration for parameter 'NSSaveOptions' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptObjectSpecifiers.h:45: error: declaration for parameter 'NSWhoseSubelementIdentifier' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptObjectSpecifiers.h:36: error: declaration for parameter 'NSRelativePosition' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptObjectSpecifiers.h:30: error: declaration for parameter 'NSInsertionPosition' but no such parameter

/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:126: error: declaration for parameter 'NSBlack' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:125: error: declaration for parameter 'NSDarkGray' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:124: error: declaration for parameter 'NSLightGray' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:123: error: declaration for parameter 'NSWhite' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:110: error: declaration for parameter 'NSWindowDepth' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:76: error: declaration for parameter 'NSColorRenderingIntent' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:65: error: declaration for parameter 'NSFocusRingType' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:56: error: declaration for parameter 'NSFocusRingPlacement' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:48: error: declaration for parameter 'NSWindowOrderingMode' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:40: error: declaration for parameter 'NSBackingStoreType' but no such parameter
/System/Library/Frameworks/AppKit.framework/Headers/NSGraphics.h:32: error: declaration for parameter 'NSCompositingOperation' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSTextCheckingResult.h:32: error: declaration for parameter 'NSTextCheckingTypes' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSTextCheckingResult.h:25: error: declaration for parameter 'NSTextCheckingType' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptWhoseTests.h:24: error: declaration for parameter 'NSTestComparisonOperation' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptStandardSuiteCommands.h:19: error: declaration for parameter 'NSSaveOptions' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptObjectSpecifiers.h:45: error: declaration for parameter 'NSWhoseSubelementIdentifier' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptObjectSpecifiers.h:36: error: declaration for parameter 'NSRelativePosition' but no such parameter
/System/Library/Frameworks/Foundation.framework/Headers/NSScriptObjectSpecifiers.h:30: error: declaration for parameter 'NSInsertionPosition' but no such parameter

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like 22700 errors... so this suggests that I'm missing some configuration on .pro for these frameworks?