GCC Compiler Questions & Answers – Various Options – 2

1. What is the job of -Werror option in gcc?
a) it avoids all the errors present in the source code
b) it makes all warnings into errors
c) it stores all the errors of source code into a seperate file
d) none of the mentioned
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2. The command “as -o sanfoundry.o sanfoundry.s” will
a) generate object file sanfoundry.o
b) provide an error if sanfoundry.s exists
c) generate object file sanfoundry.o & provide an error if sanfoundry.s exists
d) none of the mentioned
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3. The command “gcc -save-temps sanfoundry.c” will generate
a) sanfoundry.i
b) sanfoundry.s
c) sanfoundry.o
d) all of the mentioned
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4. The -H option of gcc
a) prints the name of each header file used
b) is used to include header file
c) ignores the header file which are not required by source code
d) none of the mentioned
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5. Which option of gcc enables compiler’s all warning messages?
a) -Wall
b) -War
c) -Warn
d) none of the mentioned
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6. Which option of gcc adds include directory of header files?
a) -i
b) -I
c) -e
d) -E
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7. The -fPIC option of gcc
a) generates the position independent code of shared libraries
b) opens the source file in readonly mode
c) opens the source file
d) none of the mentioned
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8. The -shared option of gcc generates shared ______ for shared library.
a) object file
b) preprocessed file
c) source file
d) none of the mentioned
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9. Which option of gcc links with a library file?
a) -l
b) -L
c) -link
d) none of the mentioned
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10. Which option of gcc looks in the provided directory for library files?
a) -l
b) -L
c) -link
d) none of the mentioned
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