On Mon, 14 Mar 2022, 22:44 Benjamin Lovy, <ben@xxxxxxxxxxx> wrote: > Hello, > > I am attempting to build GCC 11.2.0 in an isolated environment. First, I > grabbed the Linux headers: > > make headers_install \ > ARCH=x86_64 \ > INSTALL_HDR_PATH=/bootstrap/usr > > Then, I built binutils: > > mkdir binutils-build && \ > cd binutils-build && > /build/binutils-2.38/configure \ > --prefix=/bootstrap \ > --with-sysroot=/bootstrap \ > --disable-nls \ > --disable-werror && \ > make -j16 && \ > make install > > Then, I built GCC using the host toolchain: > > mkdir /build/gcc-build && \ > cd gcc-build && > /build/gcc-11.2.0/configure \ > --prefix=/bootstrap/ \ > --host=x86_64-pc-linux-gnu \ > --enable-languages=c,c++ \ > --disable-bootstrap \ > --disable-decimal-float \ > --disable-fixed-point \ > --disable-libatomic \ > --disable-libgomp \ > --disable-libitm \ > --disable-libmpx \ > --disable-libquadmath \ > --disable-libsanitizer \ > --disable-libssp \ > --disable-libvtv \ > --disable-lto \ > --disable-multilib \ > --disable-nls && \ > make -j16 && \ > make install > > Then, I built glibc using this GCC: > > mkdir glibc-build && \ > cd glibc-build && \ > /build/glibc-2.34/configure \ > CC=/bootstrap/bin/gcc \ > CFLAGS="-fno-stack-protector -O2" \ > CPPFLAGS="-U_FORTIFY_SOURCE" \ > --prefix=/bootstrap \ > --with-sysroot=/bootstrap \ > --with-headers=/bootstrap/usr/include &&\ > make -j16 && \ > make install > > This all works fine. I then build the following software: > > * GMP 6.21 > * MPFR 4.10 > * MPC 1.21 > * tar 1.34 > * bash 5.16 > * coreutils 9.0 > * curl 7.82 > * zlib 1.2.11 > * gzip 1.11 > * sed 4.8 > * grep 2.28 > * gawk 5.11 > * make 4.3 > * xz 5.25 > > I use invocations similar to this for each entry on that list: > > ./configure \ > CC=/bootstrap/bin/gcc \ > CFLAGS="-Wl,-dynamic-linker=/bootstrap/lib/ld-linux-x86-64.so.2 > -Wl,-rpath,/bootstrap/lib -I/bootstrap/include" \ > --with-sysroot=/bootstrap \ > --prefix=/bootstrap && \ > make -j16 && \ > make check && \ > make install > > Now, I would like to build a fresh GCC using the previously build GCC, this > glib, and the GMP/MPC/MPFR libraries I just built: > I recommend you don't do that. Use the contrib/download_prerequisites script instead, see https://gcc.gnu.org/wiki/InstallingGCC This doesn't solve your header path issue, but it's much simpler and cleaner anyway.
