#!/bin/sh # file : build.sh # license : MIT; see accompanying LICENSE file usage="Usage: $0 [-h|--help] [<options>] <c++-compiler> [<compile-options>]" # Package repository URL (or path). # if test -z "$BUILD2_REPO"; then BUILD2_REPO="https://stage.build2.org/1" # BUILD2_REPO="https://pkg.cppget.org/1/queue/alpha" # BUILD2_REPO="https://pkg.cppget.org/1/alpha" fi # The bpkg configuration directory. # cver="0.14-a.0" cdir="build2-toolchain-$cver" diag () { echo "$*" 1>&2 } # Note that this function will execute a command with arguments that contain # spaces but it will not print them as quoted (and neither does set -x). # run () { diag "+ $@" "$@" if test "$?" -ne "0"; then exit 1 fi } owd="$(pwd)" local= private= idir= jobs= sudo= trust= timeout= make= make_options= verbose= cxx= while test $# -ne 0; do case "$1" in -h|--help) diag diag "$usage" diag "Options:" diag " --local Don't build from packages, only from local source." diag " --install-dir <dir> Alternative installation directory." diag " --sudo <prog> Optional sudo program to use (pass false to disable)." diag " --private Install shared libraries into private subdirectory." diag " --jobs|-j <num> Number of jobs to perform in parallel." diag " --repo <loc> Alternative package repository location." diag " --trust <fp> Repository certificate fingerprint to trust." diag " --timeout <sec> Network operations timeout in seconds." diag " --make <arg> Bootstrap using GNU make instead of script." diag " --verbose <level> Diagnostics verbosity level between 0 and 6." diag diag "By default the script will install into /usr/local with private" diag "library subdirectories and using sudo(1). To enable private" diag "subdirectories and/or use sudo for a custom installation location," diag "you need to specify --private and/or --sudo explicitly, for example:" diag diag "$0 --install-dir /opt/build2 --sudo sudo g++" diag diag "If --jobs|-j is unspecified, then the bootstrap step is performed" diag "serially with the rest of the process using the number of available" diag "hardware threads." diag diag "The --trust option recognizes two special values: 'yes' (trust" diag "everything) and 'no' (trust nothing)." diag diag "The --make option can be used to bootstrap using GNU make. The" diag "first --make value should specify the make executable optionally" diag "followed by additional make options, for example:" diag diag "$0 --make make --make -j8 g++" diag diag "If --jobs|-j is specified, then its value is passed to make before" diag "any additional options." diag diag "If specified, <compile-options> override the default (-O3) compile" diag "options (config.cc.coptions) in the bpkg configuration used to build" diag "and install the final toolchain. For example, to build with the debug" diag "information (and without optimization):" diag diag "$0 g++ -g" diag diag "See the BOOTSTRAP-UNIX file for details." diag exit 0 ;; --local) local=true shift ;; --private) private=config.install.private=build2 shift ;; --install-dir) shift if test $# -eq 0; then diag "error: installation directory expected after --install-dir" diag "$usage" exit 1 fi idir="$1" shift ;; -j|--jobs) shift if test $# -eq 0; then diag "error: number of jobs expected after --jobs|-j" diag "$usage" exit 1 fi jobs="-j $1" shift ;; --sudo) shift if test $# -eq 0; then diag "error: sudo program expected after --sudo" diag "$usage" exit 1 fi sudo="$1" shift ;; --repo) shift if test $# -eq 0; then diag "error: repository location expected after --repo" diag "$usage" exit 1 fi BUILD2_REPO="$1" shift ;; --trust) shift if test $# -eq 0; then diag "error: certificate fingerprint expected after --trust" diag "$usage" exit 1 fi trust="$1" shift ;; --timeout) shift if test $# -eq 0; then diag "error: value in seconds expected after --timeout" diag "$usage" exit 1 fi timeout="$1" shift ;; --make) shift if test $# -eq 0; then diag "error: argument expected after --make" diag "$usage" exit 1 fi if test -z "$make"; then make="$1" else make_options="$make_options $1" fi shift ;; --verbose) shift if test $# -eq 0; then diag "error: diagnostics level between 0 and 6 expected after --verbose" diag "$usage" exit 1 fi verbose="$1" shift ;; *) cxx="$1" shift break ;; esac done if test -z "$cxx"; then diag "error: compiler executable expected" diag "$usage" exit 1 fi # Place default <compile-options> into the $@ array. # if test $# -eq 0; then set -- -O3 fi # Merge jobs and make_options into make. # if test -n "$make"; then if test -n "$jobs"; then make="$make $jobs" fi if test -n "$make_options"; then make="$make$make_options" # Already has leading space. fi fi # If the installation directory is unspecified, then assume it is /usr/local. # Otherwise, if it is a relative path, then convert it to an absolute path, # unless the realpath program is not present on the system or doesn't # recognize any of the options we pass, in which case fail, advising to # specify an absolute installation directory. # if test -z "$idir"; then idir=/usr/local private=config.install.private=build2 # Only use default sudo for the default installation directory and only if # it wasn't specified by the user. # if test -z "$sudo"; then sudo="sudo" fi elif test -n "$(echo "$idir" | sed -n 's#^[^/].*$#true#p')"; then if ! command -v realpath >/dev/null 2>&1; then diag "error: unable to execute realpath: command not found" diag " info: specify absolute installation directory path" exit 1 fi # Don't resolve symlinks and allow non-existent path components. # if ! idir="$(realpath -s -m "$idir" 2>/dev/null)"; then diag "error: realpath does not recognize -s -m" diag " info: specify absolute installation directory path" exit 1 fi fi if test "$sudo" = false; then sudo= fi if test -f build/config.build; then diag "error: current directory already configured, start with clean source" exit 1 fi if test -z "$local" -a -d "../$cdir"; then diag "error: ../$cdir/ bpkg configuration directory already exists, remove it" exit 1 fi # Add $idir/bin to PATH in case it is not already there. # PATH="$idir/bin:$PATH" export PATH sys="$(build2/config.guess | sed -n 's/^[^-]*-[^-]*-\(.*\)$/\1/p')" case "$sys" in mingw32 | mingw64 | msys | msys2 | cygwin) conf_rpath="[null]" conf_rpath_stage="[null]" conf_sudo="[null]" ;; *) if test -n "$private"; then conf_rpath="$idir/lib/build2" else conf_rpath="$idir/lib" fi conf_rpath_stage="$idir/lib" if test -n "$sudo"; then conf_sudo="$sudo" else conf_sudo="[null]" fi ;; esac # We don't have arrays in POSIX shell but we should be ok as long as none of # the option values contain spaces. Note also that the expansion must be # unquoted. # bpkg_fetch_ops= bpkg_build_ops= if test -n "$timeout"; then bpkg_fetch_ops="--fetch-timeout $timeout" bpkg_build_ops="--fetch-timeout $timeout" fi if test "$trust" = "yes"; then bpkg_fetch_ops="$bpkg_fetch_ops --trust-yes" elif test "$trust" = "no"; then bpkg_fetch_ops="$bpkg_fetch_ops --trust-no" elif test -n "$trust"; then bpkg_fetch_ops="$bpkg_fetch_ops --trust $trust" fi if test -n "$verbose"; then verbose="--verbose $verbose" fi # Suppress loading of default options files. # BUILD2_DEF_OPT="0" export BUILD2_DEF_OPT BPKG_DEF_OPT="0" export BPKG_DEF_OPT BDEP_DEF_OPT="0" export BDEP_DEF_OPT # Bootstrap, stage 1. # run cd build2 if test -z "$make"; then run ./bootstrap.sh "$cxx" else run $make -f ./bootstrap.gmake "CXX=$cxx" fi run build2/b-boot --version # Bootstrap, stage 2. # run build2/b-boot $verbose $jobs config.cxx="$cxx" config.bin.lib=static build2/exe{b} mv build2/b build2/b-boot run build2/b-boot --version run cd .. # Local installation early return. # if test "$local" = true; then run build2/build2/b-boot $verbose configure \ config.cxx="$cxx" \ config.cc.coptions="$*" \ config.bin.lib=shared \ config.bin.rpath="$conf_rpath" \ config.install.root="$idir" \ config.install.sudo="$conf_sudo" \ $private run build2/build2/b-boot $verbose $jobs install: build2/ bpkg/ bdep/ run command -v b run command -v bpkg run command -v bdep run b --version run bpkg --version run bdep --version diag diag "Toolchain installation: $idir/bin" diag "Build configuration: $owd" diag exit 0 fi # Build and stage the build system and the package manager. # run build2/build2/b-boot $verbose configure \ config.cxx="$cxx" \ config.bin.lib=shared \ config.bin.suffix=-stage \ config.bin.rpath="$conf_rpath_stage" \ config.install.root="$idir" \ config.install.data_root=root/stage \ config.install.sudo="$conf_sudo" run build2/build2/b-boot $verbose $jobs install: build2/ bpkg/ run command -v b-stage run command -v bpkg-stage run b-stage --version run bpkg-stage --version # Build the entire toolchain from packages. # run cd .. run mkdir "$cdir" run cd "$cdir" cdir="$(pwd)" # Save full path for later. run bpkg-stage $verbose create \ cc \ config.cxx="$cxx" \ config.cc.coptions="$*" \ config.bin.lib=shared \ config.bin.rpath="$conf_rpath" \ config.install.root="$idir" \ config.install.sudo="$conf_sudo" \ $private run bpkg-stage $verbose add "$BUILD2_REPO" run bpkg-stage $verbose $bpkg_fetch_ops fetch run bpkg-stage $verbose $jobs $bpkg_build_ops build --for install --yes --plan= build2 bpkg bdep run bpkg-stage $verbose $jobs install build2 bpkg bdep run command -v b run command -v bpkg run command -v bdep run b --version run bpkg --version run bdep --version # Clean up stage. # run cd "$owd" run b $verbose $jobs uninstall: build2/ bpkg/ diag diag "Toolchain installation: $idir/bin" diag "Build configuration: $cdir" diag