#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ([2.69])
AC_INIT([initrd-recovery], [2.1.1], [walyong.cho@samsung.com])

AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_AUX_DIR([build-aux])

AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
AC_PREFIX_DEFAULT([/usr])
AM_INIT_AUTOMAKE([foreign subdir-objects])

LT_PREREQ(2.2)
LT_INIT([disable-static])

# Checks for programs.
AC_PROG_CC
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_MKDIR_P
AC_PATH_PROG([M4], [m4])

# Checks for libraries.

# Checks for header files.
AC_CHECK_HEADERS([fcntl.h limits.h mntent.h stdint.h stdlib.h string.h sys/ioctl.h sys/mount.h unistd.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_CHECK_HEADER_STDBOOL
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_UINT32_T

# Checks for library functions.
AC_FUNC_FORK
AC_FUNC_GETMNTENT
AC_FUNC_MALLOC
AC_FUNC_MMAP
AC_CHECK_FUNCS([dup2 getmntent memset munmap strcasecmp strchr strdup strerror strrchr strstr])

# ------------------------------------------------------------------------------
our_cflags=" \
        -g -O2 \
        -Werror \
        -fpie"

our_ldflags=" \
        -Wl,--as-needed \
        -Wl,--no-undefined \
        -Wl,--gc-sections \
        -Wl,-z,relro \
        -Wl,-z,now \
        -pie"

AC_SUBST([OUR_CFLAGS], "$our_cflags")
AC_SUBST([OUR_LDFLAGS], "$our_ldflags")

M4_DEFINES=
# ------------------------------------------------------------------------------
AC_ARG_WITH([tdm],
	AS_HELP_STRING([--without-tdm], [disable TDM/TBM graphical backend (default: test)]))
PKG_CHECK_MODULES([LIBCONFIG],
	[libconfig >= 1.6],
	have_libconfig=yes,
	have_libconfig=no)

if test "x$have_libconfig" = "xno"; then
	AC_MSG_ERROR([libconfig not found])
fi

AC_ARG_ENABLE([recovery-gui],
        AS_HELP_STRING([--disable-recovery-gui], [disable recovery gui mode]),
                [case "${enableval}" in
                        yes) enable_recovery_gui=yes ;;
                        no) enable_recovery_gui=no ;;
                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-recovery-gui) ;;
                esac],
                enable_recovery_gui=yes)

have_libtdm=no
if test "x$enable_recovery_gui" == "xyes"; then
        M4_DEFINES="$M4_DEFINES -DRECOVERY_GUI"
        AC_SUBST([OUR_CFLAGS], "$OUR_CFLAGS -DRECOVERY_GUI")
	PKG_CHECK_MODULES(LIBPNG, [libpng])
	PKG_CHECK_MODULES(VCONF_INTERNAL_KEYS, [vconf-internal-keys])
	if test "x$with_tdm" != "xno"; then
		PKG_CHECK_MODULES(LIBTDM,
			[libtdm >= 1.7.0],
			[AC_DEFINE(HAVE_TDM, 1, [Define if using TDM/TBM graphical backend])
			have_libtdm=yes])
		if test "x$with_tdm" = "xyes" -a "x$have_libtdm" = "xno"; then
			AC_MSG_ERROR([--with-tdm has been specified but libtdm is not available.])
		fi
	fi
	RECOVERY_GUI="GUI"
else
	RECOVERY_GUI="NO"
fi

AC_SUBST([RECOVERY_GUI])
AM_CONDITIONAL([RECOVERY_GUI], [test "x$enable_recovery_gui" != "xno"])
AM_CONDITIONAL([HAVE_TDM], [test "x$have_libtdm" = "xyes"])

SYSTEM_RECOVERY_DATA_DIR="${datadir}/system-recovery"
AC_DEFINE_UNQUOTED([SYSTEM_RECOVERY_DATA_DIR], ["$SYSTEM_RECOVERY_DATA_DIR"], "Directory where data for system-recovery UI are stored")
AC_SUBST([SYSTEM_RECOVERY_DATA_DIR])

SYSTEM_RECOVERY_IMAGE_DIR="${datadir}/system-recovery/res/images"
AC_DEFINE_UNQUOTED([SYSTEM_RECOVERY_IMAGE_DIR], ["$SYSTEM_RECOVERY_IMAGE_DIR"], "Directory where images for system-recovery UI are stored")
AC_SUBST([SYSTEM_RECOVERY_IMAGE_DIR])

RUI_IMAGES_DIR="${SYSTEM_RECOVERY_IMAGE_DIR}"
AC_DEFINE_UNQUOTED([RUI_IMAGES_DIR], ["$RUI_IMAGES_DIR"], "Directory where images for system-recovery UI are stored")

SYSTEM_RECOVERY_LIBEXEC_DIR="${libexecdir}/system-recovery"
AC_DEFINE_UNQUOTED([SYSTEM_RECOVERY_LIBEXEC_DIR], ["$SYSTEM_RECOVERY_LIBEXEC_DIR"], "Directory where sub-programmes for system-recovery UI are stored")
AC_SUBST([SYSTEM_RECOVERY_LIBEXEC_DIR])

SYSTEM_RECOVERY_ACTION_FILE="/opt/.recovery.action"
AC_DEFINE_UNQUOTED([SYSTEM_RECOVERY_ACTION_FILE], ["$SYSTEM_RECOVERY_ACTION_FILE"], "File where recovery action is stored")
AC_SUBST([SYSTEM_RECOVERY_ACTION_FILE])

INITRD_RECOVERY_DATA_DIR="${datadir}/initrd-recovery"
AC_DEFINE_UNQUOTED([INITRD_RECOVERY_DATA_DIR], ["$INITRD_RECOVERY_DATA_DIR"], "Directory where data for recovery initrd are stored")
AC_SUBST([INITRD_RECOVERY_DATA_DIR])

INITRD_RECOVERY_INSTALL_DROPIN_DIR="${INITRD_RECOVERY_DATA_DIR}/initrd.list.d"
AC_DEFINE_UNQUOTED([INITRD_RECOVERY_INSTALL_DROPIN_DIR], ["$INITRD_RECOVERY_INSTALL_DROPIN_DIR"], "Directory where configuration drop-in files for recovery initrd are stored")
AC_SUBST([INITRD_RECOVERY_INSTALL_DROPIN_DIR])

INITRD_RECOVERY_LIBEXEC_DIR="${libexecdir}/initrd-recovery"
AC_DEFINE_UNQUOTED([INITRD_RECOVERY_LIBEXEC_DIR], ["$INITRD_RECOVERY_LIBEXEC_DIR"], "Directory where sub-progremmes for recovery initrd are stored")
AC_SUBST([INITRD_RECOVERY_LIBEXEC_DIR])

# ------------------------------------------------------------------------------
AC_SUBST(M4_DEFINES)

# ------------------------------------------------------------------------------
AC_CONFIG_FILES([Makefile])

AC_OUTPUT
AC_MSG_RESULT([
        $PACKAGE_NAME $VERSION
        =====================
        prefix:                  ${prefix}
        recovery gui mode:       ${enable_recovery_gui}
        with TDM:                ${have_libtdm}
        OUR CFLAGS:              ${OUR_CFLAGS} ${CFLAGS}
])