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