gecko/build/autoconf/rust.m4
Ralph Giles 197e6c4131 Bug 1223093 - Bump required rustc version to 1.4. r=mshal
Bug 1220754 added code which requires feaures in the rust 1.4
standard library. Update our configure version check so we
catch this up front.
2015-11-09 10:53:00 -08:00

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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)
])