On Tue, 10 May 2022 at 01:54, Dennis Clarke <dclarke@xxxxxxxxxxxxx> wrote: > > On 5/9/22 14:51, Jonathan Wakely wrote: > > On Mon, 9 May 2022, 18:16 Dennis Clarke via Gcc-help, <gcc-help@xxxxxxxxxxx> > > wrote: > > > >> > >> Not sure what is causing this on a Linux armv7 32-bit machine but I have > >> libc6-dev installed and that provides : > >> > >> # ls -lapb /usr/include/arm-linux-gnueabihf/bits/libc-header-start.h > >> > > > > > > But this is not a standard header location, so GCC won't look there. > > > > You need to use --enable-multiarch to use the Debian MultiArch directory > > layout. > > > > Sadly things have not worked out any better. :( > > Configure still looks nice : > > io$ > io$ uname -a > Linux io 4.4.194 #52 SMP Tue Oct 26 08:35:58 UTC 2021 armv7l GNU/Linux > io$ gcc --version > gcc (Debian 8.3.0-6) 8.3.0 > Copyright (C) 2018 Free Software Foundation, Inc. > This is free software; see the source for copying conditions. There is NO > warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. > > io$ > > All the usual baseline tools are around. Also gmp/mpfr/mpc are extracted > in the source tree as per normal. > > io$ CC='gcc -march=armv7-a -mtune=cortex-a17 -mfpu=vfpv4-d16 -marm' \ > > CXX='g++ -march=armv7-a -mtune=cortex-a17 -mfpu=vfpv4-d16 -marm' \ > > LD_RUN_PATH='/opt/gcc/imed/gcc12/lib:/opt/bw/lib' \ > > ../gcc-12.1.0/configure --prefix=/opt/gcc/imed/gcc12 \ > > --enable-multiarch \ > > --disable-nls --enable-threads=posix --enable-shared \ > > --with-gmp=/opt/bw --with-mpfr=/opt/bw --with-mpc=/opt/bw \ Wait, what? You said "gmp/mpfr/mpc are extracted in the source tree as per normal" so why are you telling GCC to get them from /opt/bw? Xi Ruoyao is sending replies that you're apparently not receiving, see https://gcc.gnu.org/pipermail/gcc-help/2022-May/141536.html
