154 lines
5.0 KiB
Plaintext
154 lines
5.0 KiB
Plaintext
dnl GNU Guix --- Functional package management for GNU
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dnl Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
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dnl
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dnl This file is part of GNU Guix.
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dnl
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dnl GNU 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 GNU 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 GNU 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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dnl GUIX_SYSTEM_TYPE
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dnl
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dnl Determine the Guix host system type, and store it in the
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dnl `guix_system' variable.
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AC_DEFUN([GUIX_SYSTEM_TYPE], [
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AC_REQUIRE([AC_CANONICAL_HOST])
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AC_PATH_PROG([SED], [sed])
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AC_ARG_WITH(system, AC_HELP_STRING([--with-system=SYSTEM],
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[Platform identifier (e.g., `i686-linux').]),
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[guix_system="$withval"],
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[case "$host_cpu" in
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i*86)
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machine_name="i686";;
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amd64)
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machine_name="x86_64";;
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*)
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machine_name="$host_cpu";;
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esac
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case "$host_os" in
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linux-gnu*)
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# For backward compatibility, strip the `-gnu' part.
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guix_system="$machine_name-linux";;
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*)
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# Strip the version number from names such as `gnu0.3',
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# `darwin10.2.0', etc.
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guix_system="$machine_name-`echo $host_os | "$SED" -e's/[0-9.]*$//g'`";;
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esac])
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AC_MSG_CHECKING([for the Guix system type])
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AC_MSG_RESULT([$guix_system])
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AC_SUBST([guix_system])
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])
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dnl GUIX_ASSERT_SUPPORTED_SYSTEM
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dnl
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dnl Assert that this is a system to which the distro is ported.
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AC_DEFUN([GUIX_ASSERT_SUPPORTED_SYSTEM], [
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AC_REQUIRE([GUIX_SYSTEM_TYPE])
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AC_ARG_WITH([courage], [AC_HELP_STRING([--with-courage],
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[Assert that even if this platform is unsupported, you will be
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courageous and port the GNU System distribution to it (see
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"GNU Distribution" in the manual.)])],
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[guix_courageous="$withval"],
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[guix_courageous="no"])
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# Currently only Linux-based systems are supported, and only on some
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# platforms.
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case "$guix_system" in
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x86_64-linux|i686-linux|mips64el-linux)
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;;
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*)
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if test "x$guix_courageous" = "xyes"; then
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AC_MSG_WARN([building Guix on `$guix_system', which is not supported])
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else
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AC_MSG_ERROR([`$guix_system' is not a supported platform.
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See "GNU Distribution" in the manual, or try `--with-courage'.])
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fi
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;;
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esac
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])
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dnl GUIX_ASSERT_GUILE_FEATURES FEATURES
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dnl
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dnl Assert that FEATURES are provided by $GUILE.
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AC_DEFUN([GUIX_ASSERT_GUILE_FEATURES], [
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for guix_guile_feature in $1
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do
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AC_MSG_CHECKING([whether $GUILE provides feature '$guix_guile_feature'])
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if "$GUILE" -c "(exit (provided? '$guix_guile_feature))"
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then
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AC_MSG_RESULT([yes])
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else
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AC_MSG_RESULT([no])
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AC_MSG_ERROR([$GUILE does not support feature '$guix_guile_feature', which is required.])
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fi
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done
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])
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dnl GUIX_CHECK_SRFI_37
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dnl
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dnl Check whether SRFI-37 suffers from <http://bugs.gnu.org/13176>.
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dnl This bug was fixed in Guile 2.0.9.
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AC_DEFUN([GUIX_CHECK_SRFI_37], [
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AC_CACHE_CHECK([whether (srfi srfi-37) is affected by http://bugs.gnu.org/13176],
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[ac_cv_guix_srfi_37_broken],
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[if "$GUILE" -c "(use-modules (srfi srfi-37)) \
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(sigaction SIGALRM (lambda _ (primitive-exit 1))) \
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(alarm 1) \
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(define opts (list (option '(#\I) #f #t (lambda _ #t)))) \
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(args-fold '(\"-I\") opts (lambda _ (error)) (lambda _ #f) '())"
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then
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ac_cv_guix_srfi_37_broken=no
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else
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ac_cv_guix_srfi_37_broken=yes
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fi])
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])
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dnl GUIX_CHECK_UNBUFFERED_CBIP
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dnl
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dnl Check whether 'setbvuf' works on custom binary input ports (CBIPs), as is
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dnl the case starting with Guile 2.0.10.
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AC_DEFUN([GUIX_CHECK_UNBUFFERED_CBIP], [
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AC_CACHE_CHECK([whether Guile's custom binary input ports support 'setvbuf'],
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[ac_cv_guix_cbips_support_setvbuf],
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[if "$GUILE" -c "(use-modules (rnrs io ports)) \
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(let ((p (make-custom-binary-input-port \"cbip\" pk #f #f #f))) \
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(setvbuf p _IONBF))" >&5 2>&1
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then
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ac_cv_guix_cbips_support_setvbuf=yes
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else
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ac_cv_guix_cbips_support_setvbuf=no
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fi])
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])
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