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dnl Copyright (c) 2015 - present Facebook, Inc.
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dnl All rights reserved.
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dnl
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dnl This source code is licensed under the BSD style license found in the
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dnl LICENSE file in the root directory of this source tree. An additional grant
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dnl of patent rights can be found in the PATENTS file in the same directory.
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dnl AC_ASSERT_OCAML_PKG([pkg_name], [pkg_version])
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dnl
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dnl fails if $pkg_name is not installed; also fails if it is not
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dnl installed at version $pkg_version if specified
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AC_DEFUN([AC_ASSERT_OCAML_PKG],
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[dnl
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AC_CHECK_OCAML_PKG_PATH([$1], [$2], [$3])
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unset has_pkg
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unset pkg
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has_pkg=$AS_TR_SH[OCAML_PKG_$1]
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AS_IF([test "$has_pkg" = "no"], [dnl
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AC_MSG_ERROR([missing dependency: $1$version.
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If you are using opam, please run
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\# create an "infer" opam package
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opam pin add --no-action --yes -k path .
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\# install dependencies
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opam install --deps-only infer])
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])
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])
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