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Diffstat (limited to 'build.sh.in')
| -rw-r--r-- | build.sh.in | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/build.sh.in b/build.sh.in new file mode 100644 index 0000000..d72b59b --- /dev/null +++ b/build.sh.in @@ -0,0 +1,501 @@ +#!/bin/sh + +# file : build.sh.in +# 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="@BUILD2_REPO@" +fi + +# Package versions. +# +build2_ver="@BUILD2_VERSION@" +bpkg_ver="@BPKG_VERSION@" +bdep_ver="@BDEP_VERSION@" + +# The bpkg configuration directory. +# +cver="@CONFIG_VER@" +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= +bpkg=true +bdep=true +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 " --no-bpkg Don't install bpkg nor bdep (requires --local)." + diag " --no-bdep Don't install bdep." + 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 + ;; + --no-bpkg) + bpkg= + shift + ;; + --no-bdep) + bdep= + 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 --no-bpkg is specified, then we require --local to also be specified +# since it won't be possible to build things from packages without bpkg. Also +# imply --no-bdep in this case, since bdep is pretty much useless without +# bpkg. +# +if test -z "$bpkg"; then + if test -z "$local"; then + diag "error: --no-bpkg can only be used for local installation" + diag " info: additionally specify --local" + exit 1 + fi + + bdep= +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" \ +$private + + projects="build2/" + + if test "$bpkg" = true; then + projects="$projects bpkg/" + fi + + if test "$bdep" = true; then + projects="$projects bdep/" + fi + + run build2/build2/b-boot $verbose $jobs install: $projects + + run command -v b + run b --version + + if test "$bpkg" = true; then + run command -v bpkg + run bpkg --version + fi + + if test "$bdep" = true; then + run command -v bdep + run bdep --version + fi + + 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 $jobs install: build2/ bpkg/ + +run command -v b-stage +run b-stage --version + +run command -v bpkg-stage +run bpkg-stage --version + +# Build the entire toolchain from packages. +# +run cd .. +run mkdir "$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" \ +$private + +packages="build2/$build2_ver bpkg/$bpkg_ver" + +if test "$bdep" = true; then + packages="$packages bdep/$bdep_ver" +fi + +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= $packages +run bpkg-stage $verbose $jobs install --all + +run command -v b +run b --version + +run command -v bpkg +run bpkg --version + +if test "$bdep" = true; then + run command -v bdep + run bdep --version +fi + +# Clean up stage. +# +run cd "$owd" +run b $verbose $jobs uninstall: build2/ bpkg/ + +diag +diag "Toolchain installation: $idir/bin" +diag "Build configuration: $cdir" +diag |