| dnl This Source Code Form is subject to the terms of the Mozilla Public |
| dnl License, v. 2.0. If a copy of the MPL was not distributed with this |
| dnl file, You can obtain one at http://mozilla.org/MPL/2.0/. |
| |
| AC_DEFUN([MOZ_RUST_SUPPORT], [ |
| MOZ_PATH_PROG(RUSTC, rustc) |
| if test -n "$RUSTC"; then |
| AC_MSG_CHECKING([rustc version]) |
| RUSTC_VERSION=`$RUSTC --version | cut -d ' ' -f 2` |
| # Parse out semversion elements. |
| _RUSTC_MAJOR_VERSION=`echo ${RUSTC_VERSION} | cut -d . -f 1` |
| _RUSTC_MINOR_VERSION=`echo ${RUSTC_VERSION} | cut -d . -f 2` |
| _RUSTC_EXTRA_VERSION=`echo ${RUSTC_VERSION} | cut -d . -f 3 | cut -d + -f 1` |
| _RUSTC_PATCH_VERSION=`echo ${_RUSTC_EXTRA_VERSION} | cut -d '-' -f 1` |
| AC_MSG_RESULT([$RUSTC_VERSION (v${_RUSTC_MAJOR_VERSION}.${_RUSTC_MINOR_VERSION}.${_RUSTC_PATCH_VERSION})]) |
| fi |
| MOZ_ARG_ENABLE_BOOL([rust], |
| [ --enable-rust Include Rust language sources], |
| [MOZ_RUST=1], |
| [MOZ_RUST= ]) |
| if test -z "$RUSTC" -a -n "$MOZ_RUST"; then |
| AC_MSG_ERROR([Rust compiler not found. |
| To compile rust language sources, you must have 'rustc' in your path. |
| See http://www.rust-lang.org/ for more information.]) |
| fi |
| if test -n "$MOZ_RUST" && test -z "$_RUSTC_MAJOR_VERSION" -o \ |
| "$_RUSTC_MAJOR_VERSION" -lt 1 -o \ |
| \( "$_RUSTC_MAJOR_VERSION" -eq 1 -a "$_RUSTC_MINOR_VERSION" -lt 4 \); then |
| AC_MSG_ERROR([Rust compiler ${RUSTC_VERSION} is too old. |
| To compile Rust language sources please install at least |
| version 1.4 of the 'rustc' toolchain and make sure it is |
| first in your path. |
| You can verify this by typing 'rustc --version'.]) |
| fi |
| AC_SUBST(MOZ_RUST) |
| ]) |
