AC_PREREQ(2.57)
AC_INIT(cryptsetup,1.0.7)
AC_CONFIG_SRCDIR(src/cryptsetup.c)

AM_CONFIG_HEADER([config.h:config.h.in])
AM_INIT_AUTOMAKE(dist-bzip2)

if test "x$prefix" = "xNONE"; then
	sysconfdir=/etc
fi
AC_PREFIX_DEFAULT(/usr)

AC_CANONICAL_HOST
AC_GNU_SOURCE
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_MAKE_SET
AC_ENABLE_STATIC(no)
AM_PROG_LIBTOOL

AC_HEADER_DIRENT
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h malloc.h inttypes.h sys/ioctl.h sys/mman.h \
	ctype.h unistd.h locale.h)

AC_CHECK_HEADERS(uuid/uuid.h,,[AC_MSG_ERROR('You need the uuid library (from e2fsprogs)')])

saved_LIBS="$LIBS"
AC_CHECK_LIB(uuid, uuid_clear, ,[AC_MSG_ERROR('You need the uuid library (from e2fsprogs)')])
UUID_LIBS="$LIBS"
LIBS="$saved_LIBS"
AC_SUBST(UUID_LIBS)

AC_CHECK_FUNCS(setlocale)


AC_C_CONST
AC_C_BIGENDIAN
AC_TYPE_OFF_T
AC_STRUCT_ST_RDEV
AC_SYS_LARGEFILE

AC_PROG_GCC_TRADITIONAL

dnl ==========================================================================

AM_GNU_GETTEXT([external],[need-ngettext])
AM_GNU_GETTEXT_VERSION([0.15])

dnl ==========================================================================

saved_LIBS="$LIBS"
AC_CHECK_LIB(popt, poptConfigFileToString,,
	AC_MSG_ERROR([You need popt 1.7 or newer to compile.]))
POPT_LIBS="$LIBS"
LIBS="$saved_LIBS"
AC_SUBST(POPT_LIBS)

dnl ==========================================================================

AC_ARG_ENABLE(shared-library,
[  --disable-shared-library
                          disable building of shared cryptsetup library],,
enable_shared_library=yes)
AM_CONDITIONAL(STATIC_LIBRARY, test x$enable_shared_library = xno)

AC_ARG_ENABLE(plugins,
[  --enable-plugins        disable shared library plugins],,enable_plugins=no)
if test "x$enable_plugins" = xyes; then
	AC_DEFINE(USE_PLUGINS, 1, [Define if you wish to use the plugin loader])
fi

AC_ARG_ENABLE(, [
Modules:
  --with-MODULE[[=shared]]  builds the module MODULE as a shared library plugin
],,)

AC_ARG_ENABLE(all,
[  --disable-all           disable all modules built by default],,enable_all=default)

MODULE_HELPER(libgcrypt,
[  --enable-libgcrypt      enable libgcrypt crypto functions [[default=auto]]],auto,[
	AM_PATH_LIBGCRYPT(1.1.42,have_module=yes)
])
AM_CONDITIONAL(BUILD_LIBGCRYPT, test x$build_static = xyes)
AM_CONDITIONAL(SHARED_LIBGCRYPT, test x$build_shared = xyes)

AC_ARG_ENABLE(selinux,
[  --disable-selinux       disable selinux support [[default=auto]]],[], [])

MODULE_HELPER(libdevmapper,
[  --enable-libdevmapper   enable dm-crypt backend through libdevmapper
                          [[default=auto]]],auto,[
	have_module=yes
	saved_LIBS="$LIBS"
	if test "x$enable_selinux" != xno; then
		AC_CHECK_LIB(sepol, sepol_bool_set)
		AC_CHECK_LIB(selinux, is_selinux_enabled)
		# Check if we need -pthread with --enable-static and selinux
		if test x$build_static = xyes; then
			saved_LIBS2="$LIBS"
			LIBS="$LIBS -static"
			AC_SEARCH_LIBS([pthread_mutex_lock], [pthread],
				[test "$ac_cv_search_pthread_mutex_lock" = "none required" || LIB_PTHREAD=-lpthread])
			LIBS="$saved_LIBS2"
		fi
	fi
	AC_CHECK_LIB(devmapper, dm_task_set_name,,unset have_module)
	AC_CHECK_HEADER(libdevmapper.h,,unset have_module)
	LIBDEVMAPPER_LIBS="$LIBS $LIB_PTHREAD"
	LIBS="$saved_LIBS"
	AC_SUBST(LIBDEVMAPPER_LIBS)
	AC_SUBST(LIBDEVMAPPER_CFLAGS)
])
AM_CONDITIONAL(BUILD_LIBDEVMAPPER, test x$build_static = xyes)
AM_CONDITIONAL(SHARED_LIBDEVMAPPER, test x$build_shared = xyes)

dnl ==========================================================================

AM_CONDITIONAL(STATIC_CRYPTSETUP, test x$enable_static = xyes)
AM_CONDITIONAL(DYNAMIC_CRYPTSETUP, test x$enable_static = xno)

dnl ==========================================================================

AC_OUTPUT([ Makefile
lib/Makefile
src/Makefile
po/Makefile.in
luks/Makefile
man/Makefile
])