tame/tamer/configure.ac

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# For use by automake and autoconf
#
# Copyright (C) 2014-2022 Ryan Specialty Group, LLC.
#
# This file is part of TAME.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
##
m4_include([build-aux/m4/ax_compare_version.m4])
# version string is dynamically generated
m4_define([ver], m4_esyscmd(build-aux/vergen))
m4_if(ver, [], [m4_exit(1)])
AC_INIT([tame], [ver], [dev@lovullo.com])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([foreign])
# provide more granular version numbers based on the version string, using
# the format MAJOR.MINOR.REV[-SUFFIX], where SUFFIX can itself contain
# dashes (and often will)
m4_define([ver_split],
m4_split(
patsubst(AC_PACKAGE_VERSION, [^\([^-]+\)-], [\1.]),
[\.]))
AC_SUBST(MAJOR, m4_argn(1, ver_split))
AC_SUBST(MINOR, m4_argn(2, ver_split))
AC_SUBST(REV, m4_argn(3, ver_split))
AC_SUBST(SUFFIX, m4_argn(4, ver_split))
AC_ARG_VAR([CARGO], [Rust Cargo executable])
AC_CHECK_PROGS(CARGO, [cargo])
# Rust toolchain (stable/nightly) is hard-coded for now, since decisions
# regarding whether to use it are nuanced.
AC_SUBST([RUST_TC], nightly)
test -n "$CARGO" || AC_MSG_ERROR([cargo not found])
# There is no reason the build should _ever_ access the network.
# This both helps with reproducibility and helps to mitigate supply chain
# attacks by requiring developers to explicitly indicate their intent to
# fetch a network resource (by invoking cargo manually).
AC_SUBST([CARGO_FLAGS], "--frozen --offline")
# This is a nightly version at the time of writing
rustc_ver_req=1.62
AC_CHECK_PROGS(RUSTC, [rustc])
AC_MSG_CHECKING([rustc $RUST_TC version >= $rustc_ver_req])
rustc_version=$("$RUSTC" "+$RUST_TC" --version | cut -d' ' -f2)
AX_COMPARE_VERSION([$rustc_version], [ge], [$rustc_ver_req],
[AC_MSG_RESULT([yes ($rustc_version)])],
[AC_MSG_RESULT([no ($rustc_version)])
AC_MSG_ERROR([If using rustup, run `rustup update'])])
AC_ARG_VAR([CARGO_BUILD_FLAGS],
[Flags to be passed to `cargo build' when invoked via Make])
# All currently-used doc features are stable (this used to be used for
# intra-doc links)
AC_SUBST([CARGO_DOC_FLAGS], [])
# The `test` feature is required for benchmarking. If unavailable, then
# it's still an unstable feature and we'll need to use nightly. We don't
# check for nightly here, though---if it's missing, then cargo will tell the
# user what to do.
AC_MSG_CHECKING([`test` feature support on $RUST_TC])
AS_IF(["$RUSTC" "+$RUST_TC" --crate-type lib build-aux/bench_check.rs &>/dev/null],
[AC_MSG_RESULT(available)],
[AC_MSG_RESULT([no (nightly required)])
AC_SUBST([CARGO_BENCH_PRE_FLAGS], [+nightly])])
# Cargo commands may be available but not necessarily installed for the
# active toolchain. Let's check that.
AC_MSG_CHECKING([whether cargo-fmt is available on $RUST_TC])
AS_IF([cargo "+$RUST_TC" fmt --help &>/dev/null],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
cargo "+$RUST_TC" fmt --help # run again so user can see output
AC_MSG_ERROR([missing cargo-fmt on $RUST_TC])])
# Cargo commands may be available but not necessarily installed for the
# active toolchain. Let's check that.
AC_MSG_CHECKING([whether cargo-doc is available on $RUST_TC])
AS_IF([cargo "+$RUST_TC" $CARGO_DOC_FLAGS doc --help &>/dev/null],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
# run again so user can see output
cargo "+$RUST_TC" $CARGO_DOC_FLAGS doc --help 2>&1 | sed 's/^.*: //'
AC_MSG_WARN([missing cargo-doc on $RUST_TC])
AC_MSG_WARN([`make html` will not work])])
AC_ARG_VAR([FEATURES],
[Cargo features flags for TAMER, comma-delimited])
test -z "$FEATURES" || {
AC_MSG_RESULT([requested features: $FEATURES])
FEATURES="--features $FEATURES"
}
AC_CONFIG_FILES([Makefile])
AC_OUTPUT