mirror of git://git.savannah.gnu.org/guix.git
36 lines
1.4 KiB
Plaintext
36 lines
1.4 KiB
Plaintext
dnl Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
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dnl Copyright (C) 2012 Ludovic Courtès <ludo@gnu.org>
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dnl
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dnl This file is part of Guix.
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dnl
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dnl Guix is free software; you can redistribute it and/or modify it
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dnl under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 3 of the License, or (at
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dnl your option) any later version.
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dnl
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dnl Guix is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with Guix. If not, see <http://www.gnu.org/licenses/>.
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dnl GUIX_ASSERT_LIBGCRYPT_USABLE
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dnl
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dnl Assert that GNU libgcrypt is usable from Guile.
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AC_DEFUN([GUIX_ASSERT_LIBGCRYPT_USABLE],
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[AC_CACHE_CHECK([whether $LIBGCRYPT can be dynamically loaded],
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[guix_cv_libgcrypt_usable_p],
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[GUILE_CHECK([retval],
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[(dynamic-func \"gcry_md_hash_buffer\" (dynamic-link \"$LIBGCRYPT\"))])
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if test "$retval" = 0; then
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guix_cv_libgcrypt_usable_p="yes"
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else
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guix_cv_libgcrypt_usable_p="no"
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fi])
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if test "x$guix_cv_libgcrypt_usable_p" != "xyes"; then
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AC_MSG_ERROR([GNU libgcrypt does not appear to be usable; see `--with-libgcrypt-prefix' and `README'.])
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fi])
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