"Jason Pernito" <jpernito@xxxxxxxxx> writes: > On Fri, Nov 7, 2008 at 11:22 PM, Ian Lance Taylor <iant@xxxxxxxxxx> wrote: >> "Jason Pernito" <jpernito@xxxxxxxxx> writes: >> >>> Sorry if this is a duplicate post but I can't seem to find one and I >>> am also unable to figure out how to make host gcc recognize this >>> command line option. I already enabled --with-long-double-128 option >>> during configure but it is not working when I ran the built gcc. By >>> the way, I am using gcc-4.3.2. >> >> The -mlong-double-128 option only exists for the Alpha or the S/390. >> As you using one of those targets? You didn't say. >> > > > Actually, I am building glibc-2.8-20081103 for powerpc-750-linux-gnu > target and it failed with this during configure: > checking whether gcc -g -O2 -mlong-double-128 uses IBM extended format... no > checking whether gcc -g -O2 supports -mabi=ibmlongdouble... no > configure: error: this configuration requires -mlong-double-128 IBM > extended format support > make: *** [/bonus/scratch/jpernito/btools/build_timestamps/powerpc-750-linux-gnu_gcc-4.3.2_glibc-20081013_pass1] > Error 1 Sorry, you're quite right, it's a PPC option as well, albeit an undocumented one. Look in the config.log file to see what the error message was from the compiler. Ian
