AC_PREREQ([2.54])
AC_INIT([openbox], [3.5.0], [http://bugzilla.icculus.org])
AM_INIT_AUTOMAKE
AC_CONFIG_SRCDIR([openbox/openbox.c])

OB_VERSION=$PACKAGE_VERSION
AC_SUBST(OB_VERSION)

dnl Making releases:
dnl   RR_MICRO_VERSION += 1;
dnl   RR_INTERFACE_AGE += 1;
dnl   R_BINARY_AGE += 1;
dnl if any functions have been added, set RR_INTERFACE_AGE to 0.
dnl if backwards compatibility has been broken,
dnl set RR_BINARY_AGE and RR_INTERFACE_AGE to 0.
dnl
dnl if MAJOR or MINOR version changes, be sure to change AC_INIT above to match
dnl
RR_MAJOR_VERSION=3
RR_MINOR_VERSION=5
RR_MICRO_VERSION=28
RR_INTERFACE_AGE=1
RR_BINARY_AGE=1
RR_VERSION=$RR_MAJOR_VERSION.$RR_MINOR_VERSION

OBT_MAJOR_VERSION=3
OBT_MINOR_VERSION=5
OBT_MICRO_VERSION=1
OBT_INTERFACE_AGE=1
OBT_BINARY_AGE=1
OBT_VERSION=$OBT_MAJOR_VERSION.$OBT_MINOR_VERSION

AC_SUBST(RR_MAJOR_VERSION)
AC_SUBST(RR_MINOR_VERSION)
AC_SUBST(RR_MICRO_VERSION)
AC_SUBST(RR_INTERFACE_AGE)
AC_SUBST(RR_BINARY_AGE)
AC_SUBST(RR_VERSION)
AC_SUBST(OBT_MAJOR_VERSION)
AC_SUBST(OBT_MINOR_VERSION)
AC_SUBST(OBT_MICRO_VERSION)
AC_SUBST(OBT_INTERFACE_AGE)
AC_SUBST(OBT_BINARY_AGE)
AC_SUBST(OBT_VERSION)

dnl Libtool versioning
RR_RELEASE=$RR_MAJOR_VERSION.$RR_MINOR_VERSION
RR_CURRENT=`expr $RR_MICRO_VERSION - $RR_INTERFACE_AGE`
RR_REVISION=$RR_INTERFACE_AGE
RR_AGE=`expr $RR_BINARY_AGE - $RR_INTERFACE_AGE`
RR_CURRENT_MINUS_AGE=`expr $RR_CURRENT - $RR_AGE`

OBT_RELEASE=$OBT_MAJOR_VERSION.$OBT_MINOR_VERSION
OBT_CURRENT=`expr $OBT_MICRO_VERSION - $OBT_INTERFACE_AGE`
OBT_REVISION=$OBT_INTERFACE_AGE
OBT_AGE=`expr $OBT_BINARY_AGE - $OBT_INTERFACE_AGE`
OBT_CURRENT_MINUS_AGE=`expr $OBT_CURRENT - $OBT_AGE`

AC_SUBST(RR_RELEASE)
AC_SUBST(RR_CURRENT)
AC_SUBST(RR_REVISION)
AC_SUBST(RR_AGE)
AC_SUBST(RR_CURRENT_MINUS_AGE)
AC_SUBST(OBT_RELEASE)
AC_SUBST(OBT_CURRENT)
AC_SUBST(OBT_REVISION)
AC_SUBST(OBT_AGE)
AC_SUBST(OBT_CURRENT_MINUS_AGE)

AC_PREFIX_DEFAULT([/usr/local])
test "$prefix" = "NONE" && prefix=$ac_default_prefix

dnl Determine build target
OB_DEBUG
dnl Pick compiler specific/build target flags, and set $CVS
AM_PROG_CC_C_O
OB_COMPILER_FLAGS
AC_C_CONST
AC_C_INLINE

AC_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)
LIBTOOL="$LIBTOOL --silent"

AC_PROG_INSTALL

AM_GNU_GETTEXT_VERSION(0.15)
AM_GNU_GETTEXT([external])

AC_CHECK_HEADERS(ctype.h dirent.h errno.h fcntl.h grp.h locale.h pwd.h)
AC_CHECK_HEADERS(signal.h string.h stdio.h stdlib.h unistd.h sys/stat.h)
AC_CHECK_HEADERS(sys/select.h sys/socket.h sys/time.h sys/types.h sys/wait.h)

AC_PATH_PROG([SED], [sed], [no])
if test "$SED" = "no"; then
  AC_MSG_ERROR([The program "sed" is not available. This program is required to build Openbox.])
fi

AC_PATH_PROG([DIRNAME], [dirname], [no])
if test "$DIRNAME" = "no"; then
  AC_MSG_ERROR([The program "dirname" is not available. This program is required to build Openbox.])
fi

PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.14.0])
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)

PKG_CHECK_MODULES(PANGO, [pango >= 1.8.0 pangoxft >= 1.8.0])
AC_SUBST(PANGO_CFLAGS)
AC_SUBST(PANGO_LIBS)

PKG_CHECK_MODULES(XML, [libxml-2.0 >= 2.6.0])
AC_SUBST(XML_CFLAGS)
AC_SUBST(XML_LIBS)

AC_ARG_ENABLE(startup-notification,
  AC_HELP_STRING(
    [--disable-startup-notification],
    [disable the startup notification library. [default=enabled]]
  ),
  [enable_sn=$enableval],
  [enable_sn=yes]
)

if test "$enable_sn" = yes; then
PKG_CHECK_MODULES(LIBSN, [libstartup-notification-1.0 >= 0.8],
  [
    AC_DEFINE(USE_LIBSN, [1], [Use startup-notification])
    AC_SUBST(LIBSN_CFLAGS)
    AC_SUBST(LIBSN_LIBS)
    sn_found=yes
  ],
  [
    sn_found=no
  ]
)
else
  sn_found=no
fi

AC_ARG_ENABLE(xcursor,
  AC_HELP_STRING(
    [--disable-xcursor],
    [disable use of the X Cursor library. [default=enabled]]
  ),
  [enable_xcursor=$enableval],
  [enable_xcursor=yes]
)

if test "$enable_xcursor" = yes; then
PKG_CHECK_MODULES(XCURSOR, [xcursor],
  [
    AC_DEFINE(USE_XCURSOR, [1], [Use X Cursor library])
    AC_SUBST(XCURSOR_CFLAGS)
    AC_SUBST(XCURSOR_LIBS)
    xcursor_found=yes
  ],
  [
    xcursor_found=no
  ]
)
else
  xcursor_found=no
fi

AC_ARG_ENABLE(imlib2,
  AC_HELP_STRING(
    [--disable-imlib2],
    [disable use of Imlib2 image library for loading icons. [default=enabled]]
  ),
  [enable_imlib2=$enableeval],
  [enable_imlib2=yes]
)

if test "$enable_imlib2" = yes; then
PKG_CHECK_MODULES(IMLIB2, [imlib2],
  [
    AC_DEFINE(USE_IMLIB2, [1], [Use Imlib2 image library])
    AC_SUBST(IMLIB2_CFLAGS)
    AC_SUBST(IMLIB2_LIBS)
    # export it for the pkg-config file
    PKG_CONFIG_IMLIB=imlib2
    AC_SUBST(PKG_CONFIG_IMLIB)
    imlib2_found=yes
  ],
  [
    imlib2_found=no
  ]
)
else
  imlib2_found=no
fi

AM_CONDITIONAL(USE_IMLIB2, [test $imlib2_found = yes])

dnl Check for session management
X11_SM

#EFENCE_LIBS=-lefence
EFENCE_LIBS=""
AC_SUBST(EFENCE_LIBS)

dnl Check for X11 extensions
X11_EXT_XKB
X11_EXT_XRANDR
X11_EXT_SHAPE
X11_EXT_XINERAMA
X11_EXT_SYNC
X11_EXT_AUTH

AC_CONFIG_FILES([
  Makefile
  m4/Makefile
  po/Makefile.in
  obrender/obrender-3.5.pc
  obt/obt-3.5.pc
  obrender/version.h
  obt/version.h
  version.h
])
AC_CONFIG_COMMANDS([doc],
                   [test -d doc || mkdir doc])
AC_CONFIG_COMMANDS([data],
                   [test -d data || mkdir data])
AC_CONFIG_COMMANDS([data/xsession],
                   [test -d data/xsession || mkdir data/xsession])
AC_OUTPUT

AC_MSG_RESULT
AC_MSG_RESULT([Compiling with these options:
               Startup Notification... $sn_found
               X Cursor Library... $xcursor_found
               Session Management... $SM
               Imlib2 library... $imlib2_found
               ])
AC_MSG_RESULT([configure complete, now type "make"])