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Section 28.13 Make an Executable Program

Activity 28.8.

Finally, link it all together and make an executable program:

gcc -o testComplex testComplex.o complexlib.o -lm

Without the -c flag, gcc creates an executable file.
The -o flag specifies the name of the output file "testComplex".
All of the object files that are to be linked together are listed.
The -lm flag forces the inclusion of the mathematics library.

Running the executable program:

./testComplex

./ indicates that the executable is located in the current directory. This is how you typically run programs under Linux. On the engs20 servers you don’t have to type this part.

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