dnl Process this file with autoconf to produce a configure script.

dnl Copyright (C) 2005-2015 Red Hat, Inc.
dnl
dnl This library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License, or (at your option) any later version.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library.  If not, see
dnl <http://www.gnu.org/licenses/>.

AC_CONFIG_AUX_DIR([build-aux])
dnl Make automake keep quiet about wildcards & other GNUmake-isms
AM_INIT_AUTOMAKE([
    foreign
    -Wno-portability
    tar-pax
    no-dist-gzip
    dist-xz
    subdir-objects
    ])
dnl older automake's default of ARFLAGS=cru is noisy on newer binutils;
dnl we don't really need the 'u' even in older toolchains.  Then there is
dnl older libtool, which spelled it AR_FLAGS
m4_divert_text([DEFAULTS], [: "${ARFLAGS=cr} ${AR_FLAGS=cr}"])

# Default to using the silent-rules feature when possible.  Formatting
# chosen to bypass 'grep' checks that cause older automake to warn.
# Users (include rpm) can still change the default at configure time.
m4_ifndef([AM_SILENT_RULES],
 [m4_define([AM_SILENT_RULES],[])])AM_SILENT_RULES([yes])

AC_CANONICAL_HOST

dnl Checks for C compiler.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_CPP

dnl get 64-int interfaces on 32-bit platforms
CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"

dnl Support building Win32 DLLs (must appear *before* AM_PROG_LIBTOOL)
AC_LIBTOOL_WIN32_DLL

m4_ifndef([LT_INIT], [
  AM_PROG_LIBTOOL
], [
  LT_INIT([shared disable-static])
])
AM_PROG_CC_C_O
AM_PROG_LD

dnl Make some notes about which OS we're compiling for, as the lxc and qemu
dnl drivers require linux headers, and storage_mpath, dtrace, and nwfilter
dnl are also linux specific.  The "network" and storage_fs drivers are known
dnl to not work on macOS presently, so we also make a note if compiling
dnl for that

with_linux=no with_macos=no with_freebsd=no with_win=no
case $host in
  *-*-linux*) with_linux=yes ;;
  *-*-darwin*) with_macos=yes ;;
  *-*-freebsd*) with_freebsd=yes ;;
  *-*-mingw* | *-*-msvc* ) with_win=yes ;;
esac

AM_CONDITIONAL([WITH_LINUX], [test "$with_linux" = "yes"])
AM_CONDITIONAL([WITH_FREEBSD], [test "$with_freebsd" = "yes"])
AM_CONDITIONAL([WITH_MACOS], [test "$with_macos" = "yes"])


dnl
dnl in case someone want to build static binaries
dnl STATIC_BINARIES="-static"
dnl
STATIC_BINARIES=
AC_SUBST([STATIC_BINARIES])


dnl Need to test if pkg-config exists
PKG_PROG_PKG_CONFIG


# Set LV_LIBTOOL_OBJDIR to "." or $lt_cv_objdir, depending on whether
# we're building shared libraries.  This is the name of the directory
# in which .o files will be created.
test "$enable_shared" = no && lt_cv_objdir=.
LV_LIBTOOL_OBJDIR=${lt_cv_objdir-.}
AC_SUBST([LV_LIBTOOL_OBJDIR])


GNUmakefile=GNUmakefile
m4_if(m4_version_compare([2.61a.100],
        m4_defn([m4_PACKAGE_VERSION])), [1], [],
      [AC_CONFIG_LINKS([$GNUmakefile:$GNUmakefile], [],
        [GNUmakefile=$GNUmakefile])])

AC_CONFIG_FILES([\
        Makefile])
AC_OUTPUT