#
# configure.ac - Source file to generate "./configure" to prepare package for
#		 compilation.
#
# Copyright (c) 2000-2005 Anton Altaparmakov
# Copyright (c) 2003 Jan Kratochvil
#
# This program/include file 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 2 of the License, or
# (at your option) any later version.
#
# This program/include file 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 this program (in the main directory of the Linux-NTFS
# distribution in the file COPYING); if not, write to the Free Software
# Foundation,Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

AC_PREREQ(2.59)
AC_INIT([ntfsprogs],[1.12.2-WIP],[linux-ntfs-dev@lists.sourceforge.net])

#
# Before making a release, the LTVERSION string should be modified.
# The string is of the form CURRENT:REVISION:AGE.
#
# CURRENT (C)
#	The most recent interface number that this library implements.
#
# REVISION (R)
#	The implementation number that this library implements.
#
# AGE (A)
#	The difference between the newest and oldest interfaces that this
#	library implements. In other works, the library implements all the
#	interface numbers in the range from number 'CURRENT - AGE' to
#	'CURRENT'.
#
# This means that:
#
#   - If interfaces have been changed or added, but binary compatibility has
#     been preserved, change to C+1:0:A+1
#
#   - If binary compatibility has been broken (eg removed or changed
#     interfaces) change to C+1:0:0
#
#   - If the interface is the same as the previous version, change to C:R+1:A
#
LTVERSION_LIBNTFS="9:0:0"
AC_SUBST(LTVERSION_LIBNTFS)

AC_CANONICAL_HOST([])
AC_CANONICAL_TARGET([])
AC_CONFIG_SRCDIR([config.h.in])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE
AM_MAINTAINER_MODE
AM_ENABLE_SHARED
AM_ENABLE_STATIC

# This is required to get past a stupid configure bug when making the rpm.
# Basically it is broken to specify the host as a command line argument to
# configure on its own, i.e. without giving --host=. It is supposed to work
# but doesn't. So this sets host and erases nonopt effectively moving the
# standalone command line option into the --host= form.
if test "x$nonopt" != "xNONE"; then
	host="$nonopt"
	nonopt="NONE"
fi

AC_PREFIX_DEFAULT(/usr/local)
if test "x$prefix" = "xNONE"; then
	prefix=$ac_default_prefix
	ac_configure_args="$ac_configure_args --prefix $prefix"
fi

# Command-line options.
AC_ARG_ENABLE(debug,
	AS_HELP_STRING(--enable-debug,enable additional debugging code and
		       output), ,
	enable_debug=no
)

# AH_TEMPLATE is needed here because we want to have a template in config.h
# regardless of whether the option is given or not.
AH_TEMPLATE([NO_NTFS_DEVICE_DEFAULT_IO_OPS],
	    [Define this if you do not want the NTFS library to provide default
	     device io operations.  This means that you cannot use ntfs_mount()
	     but have to use ntfs_device_mount() and provide your own device
	     operations.])
AC_ARG_ENABLE(default-device-io-ops,
	AS_HELP_STRING(--disable-default-device-io-ops,do not provide default
		       device io operations),
	if test "$enable_default_device_io_ops" == "no"; then
		AC_DEFINE(NO_NTFS_DEVICE_DEFAULT_IO_OPS)
	fi,
)

AC_ARG_ENABLE(gnome-vfs,
	AS_HELP_STRING(--disable-gnome-vfs,omit Gnome-VFS-2.0 'libntfs'
		       interface (default=detect)), ,
	enable_gnome_vfs=auto
)

AC_ARG_ENABLE(fuse-module,
	AS_HELP_STRING(--disable-fuse-module,omit FUSE 'libntfs' interface
		       (default=detect)), ,
	enable_fuse_module=auto
)

AC_ARG_ENABLE(crypto,
	AS_HELP_STRING(--enable-crypto,enable crypto related code and utilities
		       (default=no)), ,
	enable_crypto=no
)

AC_ARG_ENABLE(really-static,
	AS_HELP_STRING(--enable-really-static,create completely static binaries
		       for the utilities), ,
	enable_really_static=no
)
AM_CONDITIONAL(REALLYSTATIC, test "$enable_really_static" = yes)

AC_ARG_ENABLE(warnings,
	AS_HELP_STRING(--enable-warnings,enable additional compiler warnings), ,
	enable_warnings=no
)

AC_ARG_ENABLE(test,
	AS_HELP_STRING(--enable-test,compile in test code for libntfs), ,
	enable_test=no
)
AM_CONDITIONAL(ENABLE_TEST, test "$enable_test" = yes)
if test "$enable_test" = "yes"; then
	CFLAGS="$CFLAGS -DNTFS_TEST"
fi

AH_TEMPLATE([NTFS_DISABLE_DEBUG_LOGGING],
	    [Define this if you want to compile out the debug log messages.
	     This will reduce the size of the binaries.])
AC_ARG_ENABLE(debug-logging,
	AS_HELP_STRING(--disable-debug-logging,Remove debug logging from the code),
	if test "$enable_debug_logging" == "no"; then
		AC_DEFINE(NTFS_DISABLE_DEBUG_LOGGING)
	fi,
)

AC_ARG_ENABLE(rich,
	AS_HELP_STRING(--enable-rich,enable Rich's "rm" test code), ,
	enable_rich=no
)
AM_CONDITIONAL(ENABLE_RICH, test "$enable_rich" = yes)
if test "$enable_rich" = "yes"; then
	CFLAGS="$CFLAGS -DNTFS_RICH"
fi

# Use GNU extensions if available.
AC_GNU_SOURCE

# For djgpp support.  (Note: This needs to be before AC_PROG_CC.)
case "$target" in
*-*-*djgpp)
	if test -z "$CC"; then CC=gcc; fi
	if test -z "$AR"; then AR=ar; fi
	if test -z "$LD"; then LD=ld; fi
;;
esac

# Checks for programs.
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_PATH_PROG(RM, rm, rm)
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_LIBTOOL

# Enable large file support.
AC_SYS_LARGEFILE

# Autodetect whether to build Gnome VFS or not.
compile_gnome_vfs=false
if test "$enable_gnome_vfs" != "no"; then
	# Make compilation work on SuSE 9.0.
	if test -d "/opt/gnome"; then
		export PKG_CONFIG_PATH="/opt/gnome/lib/pkgconfig"
	fi
	PKG_CHECK_MODULES(LIBNTFS_GNOMEVFS, [glib-2.0 gthread-2.0 gnome-vfs-module-2.0],
	[ compile_gnome_vfs=true ],
	[
		if test "$enable_gnome_vfs" = "yes"; then
			AC_MSG_ERROR([Linux-NTFS Gnome VFS module requires glib-2.0 and gnome-vfs-module-2.0 libraries.])
		else
			AC_MSG_WARN([Linux-NTFS Gnome VFS module requires glib-2.0 and gnome-vfs-module-2.0 libraries.])
		fi
	])
fi
AM_CONDITIONAL(ENABLE_GNOME_VFS, $compile_gnome_vfs)

# Autodetect whether to build FUSE module or not.
compile_fuse_module=false
if test "$enable_fuse_module" != "no"; then
	case "$target_os" in
	linux*)
		PKG_CHECK_MODULES(FUSE_MODULE, fuse >= 2.3.0, [ compile_fuse_module=true ],
		[
			if test "$enable_fuse_module" = "yes"; then
				AC_MSG_ERROR([ntfsmount requires FUSE version >= 2.3.0.])
			else
				AC_MSG_WARN([ntfsmount requires FUSE version >= 2.3.0.])
			fi
		]);;
	freebsd*)
		PKG_CHECK_MODULES(FUSE_MODULE, fuse >= 2.4.2, [ compile_fuse_module=true ],
		[
			if test "$enable_fuse_module" = "yes"; then
				AC_MSG_ERROR([ntfsmount requires FUSE version >= 2.4.2 under FreeBSD, because earlier versions have problems with readdir.])
			else
				AC_MSG_WARN([ntfsmount requires FUSE version >= 2.4.2 under FreeBSD, because earlier versions have problems with readdir.])
			fi
		]);;
	*)
		if test "$enable_fuse_module" = "yes"; then
			AC_MSG_ERROR([ntfsmount can be built only under Linux and FreeBSD.])
		else
			AC_MSG_WARN([ntfsmount can be built only under Linux and FreeBSD.])
		fi
		;;
	esac
fi
AM_CONDITIONAL(ENABLE_FUSE_MODULE, $compile_fuse_module)

# Autodetect whether we can build crypto stuff or not.
compile_crypto=false
if test "$enable_crypto" != "no"; then
	have_libgcrypt=false
	AM_PATH_LIBGCRYPT(1.2.0, [ have_libgcrypt=true ],
	[
		if test "$enable_crypto" = "yes"; then
			AC_MSG_ERROR([Linux-NTFS crypto code requires the gcrypt library.])
		else
			AC_MSG_WARN([Linux-NTFS crypto code requires the gcrypt library.])
		fi
	])
	have_libgnutls=false
	AM_PATH_LIBGNUTLS(1.2.8, [ have_libgnutls=true ],
	[
		if test "$enable_crypto" = "yes"; then
			AC_MSG_ERROR([Linux-NTFS crypto code requires the gnutls library.])
		else
			AC_MSG_WARN([Linux-NTFS crypto code requires the gnutls library.])
		fi
	])
	if test "$have_libgcrypt" = "true"; then
		if test "$have_libgnutls" = "true"; then
			compile_crypto=true
		fi
	fi
fi
AM_CONDITIONAL(ENABLE_CRYPTO, $compile_crypto)

# add --with-extra-includes and --with-extra-libs switch to ./configure
all_libraries="$all_libraries $USER_LDFLAGS"
all_includes="$all_includes $USER_INCLUDES"
AC_SUBST(all_includes)
AC_SUBST(all_libraries)

# Get compiler name
if test ! -z "$CC"; then
	_cc="$CC"
else
	_cc="gcc"
fi

# Check for gcc version being >= 2.96.
AC_MSG_CHECKING(version of $_cc)
cc_version=`$srcdir/getgccver $_cc version`
cc_major=`$srcdir/getgccver $_cc major`
cc_minor=`$srcdir/getgccver $_cc minor`
if test -z "$cc_version"; then
	cc_version="v. ?.??"
	cc_major=1
	cc_minor=1
fi
if test $cc_major -lt 2 -o \( $cc_major -eq 2 -a $cc_minor -lt 96 \); then
cc_version="$cc_version, bad"
AC_MSG_RESULT($cc_version)
AC_MSG_ERROR(Please upgrade your gcc compiler to gcc-2.96+ or gcc-3+ version!\
 Earlier compiler versions will NOT work as these do not support \
unnamed/annonymous structures and unions which are used heavily in linux-ntfs.)
fi
cc_version="$cc_version, ok"
AC_MSG_RESULT($cc_version)

# Add our compiler switches not discarding 'CFLAGS' as they may have been
# passed to us by rpmbuild(8).
# We add -Wall to enable some compiler warnings.
CFLAGS="$CFLAGS -Wall"

# Add lots of extra warnings if --enable-warnings was specified.
if test "$enable_warnings" = "yes"; then
	CFLAGS="$CFLAGS -W -Wall -Waggregate-return -Wbad-function-cast -Wcast-align -Wcast-qual -Wdisabled-optimization -Wdiv-by-zero -Wfloat-equal -Winline -Wmissing-declarations -Wmissing-format-attribute -Wmissing-noreturn -Wmissing-prototypes -Wmultichar -Wnested-externs -Wpointer-arith -Wredundant-decls -Wshadow -Wsign-compare -Wstrict-prototypes -Wundef -Wwrite-strings"
fi

# Add debugging switches if --enable-debug was specified.
if test "$enable_debug" = "yes"; then
	CFLAGS="$CFLAGS -ggdb3 -DDEBUG"
fi

AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)
AC_SUBST(LIBS)

AC_SUBST(LIBNTFS_CFLAGS)
AC_SUBST(LIBNTFS_GNOMEVFS_CFLAGS)
AC_SUBST(LIBNTFS_GNOMEVFS_LIBS)

AC_SUBST(AUTODIRS)

# Checks for libraries.

# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([ctype.h fcntl.h libintl.h limits.h locale.h mntent.h \
	stddef.h stdint.h stdlib.h stdio.h stdarg.h string.h strings.h \
	errno.h time.h unistd.h utime.h wchar.h getopt.h features.h endian.h \
	byteswap.h sys/byteorder.h sys/endian.h sys/param.h sys/ioctl.h \
	sys/mount.h sys/stat.h sys/types.h sys/vfs.h sys/statvfs.h \
	linux/major.h linux/fd.h linux/hdreg.h machine/endian.h gcrypt.h \
	windows.h gnutls/pkcs12.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_BIGENDIAN(,
	[AC_DEFINE([WORDS_LITTLEENDIAN], 1,
	[Define to 1 if your processor stores words with the least significant
	byte first (like Intel and VAX, unlike Motorola and SPARC).])]
	,)
AC_C_CONST
AC_C_INLINE
AC_TYPE_OFF_T
AC_TYPE_SIZE_T
AC_STRUCT_ST_BLOCKS
AC_CHECK_MEMBERS([struct stat.st_rdev])

# Checks for library functions.
AC_FUNC_GETMNTENT
AC_FUNC_MBRTOWC
AC_FUNC_MEMCMP
AC_FUNC_STAT
AC_FUNC_STRFTIME
AC_FUNC_UTIME_NULL
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([atexit dup2 fdatasync getopt_long hasmntopt mbsinit memmove \
	memset realpath regcomp setlocale setxattr strcasecmp strchr strdup \
	strerror strnlen strtol strtoul utime])

# Makefiles to be created by configure.
AC_CONFIG_FILES([
	Makefile
	doc/Makefile
	include/Makefile
	include/ntfs/Makefile
	libntfs/Makefile
	libntfs/libntfs.conf
	libntfs/libntfs-gnomevfs.8
	ntfsprogs/Makefile
	ntfsprogs/mkntfs.8
	ntfsprogs/ntfscat.8
	ntfsprogs/ntfsclone.8
	ntfsprogs/ntfscluster.8
	ntfsprogs/ntfscp.8
	ntfsprogs/ntfsfix.8
	ntfsprogs/ntfsinfo.8
	ntfsprogs/ntfslabel.8
	ntfsprogs/ntfsls.8
	ntfsprogs/ntfsmount.8
	ntfsprogs/ntfsprogs.8
	ntfsprogs/ntfsresize.8
	ntfsprogs/ntfsundelete.8
	ntfsprogs.spec
	test/Makefile
])
AC_OUTPUT