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From: | U.Mutlu |
Subject: | Re: gcc-4.7.4: libgcc2.h:157: error: unable to emulate 'TF' |
Date: | Tue, 10 Jul 2018 05:52:36 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:40.0) Gecko/20100101 Firefox/40.0 SeaMonkey/2.37a1 |
Jan Nieuwenhuizen wrote on 07/09/2018 09:40 PM:
U.Mutlu writes:What do you get if you grep for "error: " in the xxx/libgcc/config.log under the builddir?address@hidden /tmp/guix-build-gcc-mesboot-4.7.4.drv-0/gcc-4.7.4$ grep 'error: ' i386-unknown-linux/libgcc/config.log conftest.c:9:28: error: ac_nonexistent.h: No such file or directory conftest.c:13: error: size of array 'test_array' is negative conftest.c:13: error: size of array 'test_array' is negative conftest.c:13: error: size of array 'test_array' is negative conftest.c:13: error: size of array 'test_array' is negative conftest.c:14: error: size of array 'test_array' is negative conftest.c:14: error: size of array 'test_array' is negative conftest.c:14: error: size of array 'test_array' is negative conftest.c:14: error: size of array 'test_array' is negative conftest.c:14: error: size of array 'test_array' is negative conftest.c:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'x' conftest.c:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '_Fract'It would also be helpful if you could post also your libiberty/config.hSure, attached. janneke
You have attached config.h of 2 targets. Is just one of them failing, or both?And of course: are they both using the same target arch, just differing in 64bit/32bit?
The difference in them is:diff /tmp/build-i686-pc-linux-gnu--libiberty--config.h /tmp/host-i386-unknown-linux--libiberty--config.h | less -Sn
171c171 < #define HAVE_MMAP 1 --- > /* #undef HAVE_MMAP */ 444c444 < #define STACK_DIRECTION -1 --- > #define STACK_DIRECTION 0If they both are the same arch then I would suggest to get the one fixed first where the STACK_DIRECTION is seemingly detected wrongly.
And don't use -Werror when compiling, ie. don't treat warnings as error. And try to find out the reason for the above configure-error:> conftest.c:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'x' > conftest.c:11: error: expected '=', ',', ';', 'asm' or '__attribute__' before '_Fract'
I forgot to ask: please post also the "error: "'s in libiberty/config.log, ie. the grep-output like above.
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