On 2017-08-16 12:09 +0200, Florian Weimer wrote: > On 08/16/2017 12:01 PM, Xi Ruoyao wrote: > > On 2017-08-16 10:01 +0200, Florian Weimer wrote: > > > GCC for i386 can be configured with --enable-frame-pointer, which > > > changes the frame pointer from disabled to enabled by default. > > > > > > Is there a command flag to undo that, changing the default back to a > > > default of frame pointer omission? > > > > > > -fomit-frame-pointer is not that flag: > > > > > > gcc: error: -pg and -fomit-frame-pointer are incompatible > > > > Yes, you can't use -fomit-frame-pointer with -pg. A single > > -fomit-frame-pointer should work. > > How so? I need to compile with -pg. With Google I found an ancient patch: <https://gcc.gnu.org/ml/gcc-patches/2008-10/msg00499.html> And CC Andi to see if we can merge it. > Thanks, > Florian > > -- Xi Ruoyao <ryxi@xxxxxxxxxxxxxxxxx> School of Aerospace Science and Technology, Xidian University
