build-toolchain.sh (2064B)
1 #!/bin/bash 2 3 set -e 4 5 TARGET=nios2-linux-gnu 6 LINUX_ARCH=nios2 7 8 J=$(expr $(nproc) / 2) 9 TOOLCHAIN_INSTALL=/usr/local 10 TOOLCHAIN_BIN=${TOOLCHAIN_INSTALL}/bin 11 CROSS_SYSROOT=${TOOLCHAIN_INSTALL}/$TARGET/sys-root 12 13 export PATH=${TOOLCHAIN_BIN}:$PATH 14 15 # 16 # Grab all of the source for the toolchain bootstrap. 17 # 18 19 wget https://ftp.gnu.org/gnu/binutils/binutils-2.37.tar.xz 20 wget https://ftp.gnu.org/gnu/gcc/gcc-11.2.0/gcc-11.2.0.tar.xz 21 wget https://ftp.gnu.org/gnu/glibc/glibc-2.34.tar.xz 22 wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.70.tar.xz 23 24 tar axf binutils-2.37.tar.xz 25 tar axf gcc-11.2.0.tar.xz 26 tar axf glibc-2.34.tar.xz 27 tar axf linux-5.10.70.tar.xz 28 29 mv binutils-2.37 src-binu 30 mv gcc-11.2.0 src-gcc 31 mv glibc-2.34 src-glibc 32 mv linux-5.10.70 src-linux 33 34 mkdir -p bld-hdr bld-binu bld-gcc bld-glibc 35 mkdir -p ${CROSS_SYSROOT}/usr/include 36 37 # 38 # Install kernel and glibc headers 39 # 40 41 cd src-linux 42 make headers_install ARCH=${LINUX_ARCH} INSTALL_HDR_PATH=${CROSS_SYSROOT}/usr 43 cd .. 44 45 cd bld-hdr 46 ../src-glibc/configure --prefix=/usr --host=${TARGET} 47 make install-headers DESTDIR=${CROSS_SYSROOT} 48 touch ${CROSS_SYSROOT}/usr/include/gnu/stubs.h 49 cd .. 50 51 # 52 # Build binutils 53 # 54 55 cd bld-binu 56 ../src-binu/configure --disable-werror \ 57 --prefix=${TOOLCHAIN_INSTALL} --with-sysroot --target=${TARGET} 58 make -j${J} 59 make install 60 cd .. 61 62 # 63 # Build gcc, without shared libraries, because we do not yet 64 # have a shared libc against which to link. 65 # 66 67 cd bld-gcc 68 ../src-gcc/configure --disable-werror --disable-shared \ 69 --prefix=${TOOLCHAIN_INSTALL} --with-sysroot --target=${TARGET} \ 70 --enable-languages=c --disable-libssp --disable-libsanitizer \ 71 --disable-libatomic --disable-libgomp --disable-libquadmath 72 make -j${J} 73 make install 74 cd .. 75 76 # 77 # Build glibc 78 # There are a few random things that use c++ but we didn't build that 79 # cross-compiler. We can get away without them. Disable CXX so that 80 # glibc doesn't try to use the host c++ compiler. 81 # 82 83 cd bld-glibc 84 CXX=false ../src-glibc/configure --prefix=/usr --host=${TARGET} 85 make -j${j} 86 make install DESTDIR=${CROSS_SYSROOT} 87 cd ..