Christian Hesse <l...@eworm.de> on Fri, 2015/04/24 19:23: > Michael Brown <mc...@ipxe.org> on Fri, 2015/04/24 17:41: > > On 08/04/15 09:13, Christian Hesse wrote: > > > diff --git a/src/arch/i386/Makefile b/src/arch/i386/Makefile > > > index 99f8753..897081b 100644 > > > --- a/src/arch/i386/Makefile > > > +++ b/src/arch/i386/Makefile > > > @@ -75,8 +75,8 @@ CFLAGS += -Ui386 > > > # output on stderr instead of checking the exit status. > > > # > > > ifeq ($(CCTYPE),gcc) > > > -PIE_TEST = [ -z "`$(CC) -fno-PIE -nopie -x c -c /dev/null > > > -o /dev/null > > > 2>&1`" ] -PIE_FLAGS := $(shell $(PIE_TEST) && $(ECHO) '-fno-PIE > > > 2>-nopie') > > > +PIE_TEST = $(CC) -dM -E - < /dev/null | grep -q '__PIE__' > > > +PIE_FLAGS := $(shell $(PIE_TEST) && $(ECHO) '-fno-PIE') > > > WORKAROUND_CFLAGS += $(PIE_FLAGS) > > > endif > > > > The original fix (in http://git.ipxe.org/ipxe.git/commitdiff/fe61f6d) > > added both -fno-PIE and -nopie if it detected that the workaround was > > necessary: the -fno-PIE is for compilation and the -nopie is to instruct > > gcc to not pass "-pie" to the linker (i.e. not to default to -Wl,-pie). > > > > Since we (I think) always invoke the linker directly via $(LD), it's > > plausible that the -nopie was never needed. Is this the case? (I don't > > have any systems on which the workaround is necessary, so can't test > > this for myself.) > > The problem is that gcc does not know the command option -nopie here: > > % gcc -fno-PIE -nopie -x c -c /dev/null -o /dev/null > gcc: error: unrecognized command line option ‘-nopie’ > % echo $? > 1 > > So the check always fails and the workaround is never applied.
Any news about this one? Still having trouble with the PIE stuff.
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Description: OpenPGP digital signature
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