On Thu, 2021-04-22 at 11:22 -0500, Peng Yu wrote: > These options are quite confusing. I have a hard time understanding > the difference they are. Can anybody have a clear explanation (not > just how they are used, but also the underlying reasons why it is so) > for them? > > -fpic -fPIC -fpie -fPIE -fpic and -fPIC has some differences on several architectures, but not on x86 (32-bit or 64-bit). For the details run "man gcc" in your terminal. Generally, when you get any questions about a command line parameter for a program named "foo" (for example), you should at first invoke "man foo". -- Xi Ruoyao <xry111@xxxxxxxxxxxxxxxx> School of Aerospace Science and Technology, Xidian University
