Fwd: gcc 7.2.0 error: no include path in which to search for stdc-predef.h

looking at config.log i see theses errors: configure:5941: checking for isl 0.15 or later configure:5954: gcc -o conftest -g -O2 -I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp -I$$r/$(HOST_SUBDIR)/mpfr/src -I$$s/mpfr/src -I$$s/mpc/src -lisl -L$$r/$(HOST_SUBDIR)/gmp/.libs -L$$r/$(HOST_SUBDIR)/mpfr/src/.libs

PowerPC64 + Ada + RTEMS: Infinite loop in process_bb_lives()

Hello, I added support for the 64-bit PowerPC some months ago using a variant of the ELFv2 ABI. I don't know which kind of long double support I use on this target. This is difficult for me to understand how this works on 64-bit PowerPC. This was no problem up to now since nobody used long do

Re: dead code remover under gcc -O and higher(Is there a flag to do this)

On Mon, Dec 04, 2017 at 08:56:05AM +0800, chengjian (D) wrote: > So my question is : > It seems that one of the optimization options in the -O1 option eliminates > the dead code, I have seen the optimize doccument about GCC > > https://gcc.gnu.org/onlinedocs/gcc-6.4.0/gcc/Optimize-Options.html >