GCC Compiler Question: Download Linux GCC Compiler PDF

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

b) it makes all warnings into errors

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The -fPIC option of gcc: a) generates the position independent code of shared libraries b) opens the source file in readonly mode c) both (a) and (b) d) none of the mentioned	Which option of the gcc is used to warn is padding is included in structure? a) -Wpadded b) -Wpad c) -Wpadding d) none of the mentioned