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#!/bin/sh
# file : build.sh
# copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
# license : MIT; see accompanying LICENSE file
# @@ Should we add sys:sqlite by default? Or add option?
# @@ Need to note that script will ask for repository verification.
# @@ Perhaps a fingerprint to pass to fetch? Once repo is signed?
# @@ Option for alternative bpkg config dir?
usage="Usage: $0 [-h] [--install-dir <dir>] [--sudo <prog>] <cxx>"
# Package repository URL (or path).
#
if test -z "$BUILD2_REPO"; then
BUILD2_REPO="https://stage.build2.org/1"
# BUILD2_REPO="https://pkg.cppget.org/1/alpha"
fi
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)"
cxx=
idir=
sudo=
sudo_set=
while test $# -ne 0; do
case $1 in
-h|--help)
diag
diag "$usage"
diag
diag "By default the script will install into /usr/local using sudo (1)."
diag "To use sudo for a custom installation directory you need to specify"
diag "the sudo program explicitly, for example:"
diag
diag "$0 --install-dir /opt/build2 --sudo sudo g++"
diag
diag "See the INSTALL file for details."
diag
exit 0
;;
--install-dir)
shift
if test $# -eq 0; then
diag "error: installation directory expected after --install-dir"
diag "$usage"
exit 1
fi
idir="$1"
shift
;;
--sudo)
shift
if test $# -eq 0; then
diag "error: sudo program expected after --sudo"
diag "$usage"
exit 1
fi
sudo="$1"
sudo_set="y"
shift
;;
*)
cxx="$1"
break
;;
esac
done
if test -z "$cxx"; then
diag "error: compiler executable expected"
diag "$usage"
exit 1
fi
# Only use default sudo for the default installation directory and only if
# it wasn't specified by the user.
#
if test -z "$idir"; then
idir="/usr/local"
if test -z "$sudo_set"; then
sudo="sudo"
fi
fi
if test -f build/config.build; then
diag "current directory already configured, start with clean source"
exit 1
fi
if test -d ../build2-toolchain; then
diag "../build2-toolchain/ bpkg configuration directory already exists"
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/^[^-]*-[^-]*-\(.*\)$/\1/p')"
# Bootstrap, stage 1.
#
run cd build2
run ./bootstrap.sh "$cxx"
run build2/b-boot --version
# Bootstrap, stage 2.
#
run build2/b-boot config.cxx="$cxx" config.bin.lib=static
mv build2/b build2/b-boot
run build2/b-boot --version
case "$sys" in
mingw32 | mingw64 | msys | msys2 | cygwin)
conf_rpath="[null]"
conf_sudo="[null]"
;;
*)
conf_rpath="$idir/lib"
conf_sudo="$sudo"
;;
esac
# Stage.
#
run cd ..
run build2/build2/b-boot configure \
config.cxx="$cxx" \
config.bin.lib=shared \
config.bin.suffix=-stage \
config.bin.rpath="$conf_rpath" \
config.install.root="$idir" \
config.install.data_root=root/stage \
config.install.sudo="$conf_sudo"
run build2/build2/b-boot install
run b-stage --version
run bpkg-stage --version
# Install.
#
run cd ..
run mkdir build2-toolchain
run cd build2-toolchain
cdir="$(pwd)"
run bpkg-stage create \
cc \
config.cxx="$cxx" \
config.cc.coptions=-O3 \
config.bin.lib=shared \
config.bin.rpath="$conf_rpath" \
config.install.root="$idir" \
config.install.sudo="$conf_sudo"
run bpkg-stage add "$BUILD2_REPO"
run bpkg-stage fetch
run bpkg-stage build --yes build2 bpkg
run bpkg-stage install build2 bpkg
run b --version
run bpkg --version
# Clean up.
#
run cd "$owd"
run b uninstall
diag
diag "Toolchain installation: $idir/bin"
diag "Upgrade configuration: $cdir"
diag
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