Disarchive/configure.ac

# Disarchive
# Copyright © 2019 Timothy Sample <samplet@ngyro.com>
#
# This file is part of Disarchive.
#
# Disarchive is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Disarchive is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Disarchive.  If not, see <https://www.gnu.org/licenses/>.

AC_INIT([Disarchive],
        m4_esyscmd([build-aux/git-version-gen .tarball-version]),
        [samplet@ngyro.com],
        [disarchive])
AC_CONFIG_SRCDIR([disarchive/git-hash.scm])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([color-tests silent-rules subdir-objects
                  -Wall -Werror foreign])
AM_SILENT_RULES([yes])

AC_PROG_CC

PKG_CHECK_MODULES([ZLIB], [zlib])

GUILE_PKG([3.0])
GUILE_PROGS

AC_ARG_VAR([GUILD], [guild (Guile compiler) command])
AS_IF([test "x$GUILD" = "x"],
  [PKG_CHECK_VAR([GUILD], [guile-$GUILE_EFFECTIVE_VERSION], [guild], [],
    [AC_MSG_ERROR(m4_normalize([
      'guild' binary not found; please check your Guile installation.]))])])

dnl This argument is passed to guild; it ensures cross-compiling uses
dnl the right target.
if test -n "$host_alias"; then
   AC_SUBST([GUILD_TARGET_OPTION], [--target=$host_alias])
fi

GUILE_MODULE_REQUIRED(gcrypt hash)
GUILE_MODULE_REQUIRED(lzma)
GUILE_MODULE_REQUIRED(bzip2)

dnl Older versions of Guile are missing O_NOFOLLOW.  We compute it here
dnl so that we can make a shim if we need to.
AC_ARG_VAR([O_NOFOLLOW], [value to use for O_NOFOLLOW (cf. <fcntl.h>)])
AS_IF([test "x$O_NOFOLLOW" = "x"],
  [AC_MSG_CHECKING([the value of O_NOFOLLOW])]
  [AC_COMPUTE_INT([O_NOFOLLOW],
      [O_NOFOLLOW],
      [[
        #include <fcntl.h>
        #include <stdio.h>
      ]],
      [AC_MSG_FAILURE([could find value for O_NOFOLLOW])])]
  [AC_MSG_RESULT([$O_NOFOLLOW])])

AC_ARG_VAR([TAR], [tar utility])
AS_IF([test "x$TAR" = "x"], [AC_PATH_PROG([TAR], [tar])])
AS_IF([test "x$TAR" = "x"], [AC_MSG_ERROR(['tar' binary not found])])

AC_ARG_VAR([GZIP], [gzip utility])
AS_IF([test "x$GZIP" = "x"], [AC_PATH_PROG([GZIP], [gzip])])
AS_IF([test "x$GZIP" = "x"], [AC_MSG_ERROR(['gzip' binary not found])])

AC_ARG_VAR([XZ], [xz utility])
AS_IF([test "x$XZ" = "x"], [AC_PATH_PROG([XZ], [xz])])
AS_IF([test "x$XZ" = "x"], [AC_MSG_ERROR(['xz' binary not found])])

AC_ARG_VAR([BZIP2], [bzip2 utility])
AS_IF([test "x$BZIP2" = "x"], [AC_PATH_PROG([BZIP2], [bzip2])])
AS_IF([test "x$BZIP2" = "x"], [AC_MSG_ERROR(['bzip2' binary not found])])

AC_CONFIG_FILES([Makefile])
AC_CONFIG_FILES([pre-inst-env:build-aux/pre-inst-env.in],
                [chmod +x pre-inst-env])
AC_CONFIG_FILES([build-aux/tests-env])

AC_OUTPUT