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Why do I get an undefined symbol at compile time?
UNDEFINED SYMBOL AT COMPILE TIME An undefined symbol at compile time indicates that the named identifier was used in the named source file, but had no definition in the source file. This is usually caused by a misspelled identifier name, or missing declaration of the identifier used.
Where to find the undefined symbol in ASM?
UNDEFINED SYMBOL: ‘abort ()’ The sole purpose of abort is to print the error message “Abnormal Program Termination” and exit the program with an error code of 3. This function is located in the startup code C0.ASM.
What does it mean when linker says undefined symbol?
When these references cannot be resolved, the linker generates an “undefined symbol” error message. This means that after searching all of the object files and libraries which are included in the link, the linker was unable to find a declaration for the identifier you were using.
What is the undefined symbol in Turbo C + +?
UNDEFINED SYMBOL: ‘_exitclean ()’ There is a function called _exitclean which is new to Turbo C++. Users moving from Turbo C 2.0 to Turbo C++ may encounter _exitclean () as an undefined symbol at link time. _exitclean () is defined in the Turbo C++ startup code.
When do symbols remain undefined in a relocatable object?
A symbol remains undefined when a symbol reference in a relocatable object is never matched to a symbol definition. Similarly, if a shared object is used to create a dynamic executable and leaves an unresolved symbol definition, an undefined symbol error results.
What causes an undefined symbol error in Borland?
COMMON UNDEFINED SYMBOL ERRORS The following list provides solutions to some of the more common causes of undefined symbol errors: UNDEFINED SYMBOL WHEN LINKING A BORLAND EXAMPLE: Almost all of the Borland’s examples come with project files.