File: configure.in

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

AC_PREREQ(2.54)

# Making releases:
#   GIMP_MICRO_VERSION += 1;
#   GIMP_INTERFACE_AGE += 1;

m4_define([gimp_major_version], [2])
m4_define([gimp_minor_version], [2])
m4_define([gimp_micro_version], [6])
m4_define([gimp_real_version],
          [gimp_major_version.gimp_minor_version.gimp_micro_version])
m4_define([gimp_version], [gimp_real_version])
m4_define([gimp_interface_age], [6])
m4_define([gimp_binary_age],
          [m4_eval(100 * gimp_minor_version + gimp_micro_version)])

# For overriding the version string. Comment out if not needed.
# m4_define([gimp_version], [2.2.0])

# This is the X.Y used in -lgimp-X.Y
m4_define([gimp_api_version], [2.0])

# Versions used for apps, plugins, tools, pkg-config files, and data,
# as well as global and user prefs
m4_define([gimp_app_version], [2.2])
m4_define([gimp_plugin_version], [2.0])
m4_define([gimp_tool_version], [2.0])
m4_define([gimp_pkgconfig_version], [2.0])
m4_define([gimp_data_version], [2.0])
m4_define([gimp_sysconf_version], [2.0])
m4_define([gimp_user_version], [2.2])

m4_define([gimp_unstable],
          m4_if(m4_eval(gimp_minor_version % 2), [1], [yes], [no]))
m4_define([gimp_stable],
          m4_if(m4_eval(gimp_minor_version % 2), [0], [yes], [no]))

m4_define([gimp_full_name], [The GIMP])

# required versions of other packages
m4_define([glib_required_version], [2.4.5])
m4_define([gtk_required_version], [2.4.4])
m4_define([gdk_pixbuf_required_version], [gtk_required_version])
m4_define([pangoft2_required_version], [1.4.0])
m4_define([fontconfig_required_version], [2.2.0])
m4_define([gtkdoc_required_version], [1.0])
m4_define([gtkhtml2_required_version], [2.0.0])
m4_define([gimpprint_required_version], [4.2.0])
m4_define([gimpprint_suggested_version], [4.2.6])
m4_define([gimpprint_toonew_version], [4.3.0])
m4_define([alsa_required_version], [1.0.0])
m4_define([rsvg_required_version], [2.2.0])
m4_define([wmf_required_version], [0.2.8])
m4_define([pygtk_required_version], [1.99.15])

AC_INIT([GIMP], [gimp_version],
        [http://bugzilla.gnome.org/enter_bug.cgi?product=GIMP],
        [gimp])

AC_CONFIG_SRCDIR([app/core/gimp.c])

AM_INIT_AUTOMAKE(no-define)
AM_CONFIG_HEADER(config.h)

GIMP_MAJOR_VERSION=gimp_major_version
GIMP_MINOR_VERSION=gimp_minor_version
GIMP_MICRO_VERSION=gimp_micro_version
GIMP_INTERFACE_AGE=gimp_interface_age
GIMP_BINARY_AGE=gimp_binary_age
GIMP_VERSION=gimp_version
GIMP_REAL_VERSION=gimp_real_version
GIMP_API_VERSION=gimp_api_version
GIMP_APP_VERSION=gimp_app_version
GIMP_PLUGIN_VERSION=gimp_plugin_version
GIMP_TOOL_VERSION=gimp_tool_version
GIMP_PKGCONFIG_VERSION=gimp_pkgconfig_version
GIMP_DATA_VERSION=gimp_data_version
GIMP_SYSCONF_VERSION=gimp_sysconf_version
GIMP_USER_VERSION=gimp_user_version
GIMP_UNSTABLE=gimp_unstable
GIMP_FULL_NAME="gimp_full_name"
AC_SUBST(GIMP_MAJOR_VERSION)
AC_SUBST(GIMP_MINOR_VERSION)
AC_SUBST(GIMP_MICRO_VERSION)
AC_SUBST(GIMP_INTERFACE_AGE)
AC_SUBST(GIMP_BINARY_AGE)
AC_SUBST(GIMP_API_VERSION)
AC_SUBST(GIMP_VERSION)
AC_SUBST(GIMP_REAL_VERSION)
AC_SUBST(GIMP_API_VERSION)
AC_SUBST(GIMP_APP_VERSION)
AC_SUBST(GIMP_PLUGIN_VERSION)
AC_SUBST(GIMP_TOOL_VERSION)
AC_SUBST(GIMP_PKGCONFIG_VERSION)
AC_SUBST(GIMP_DATA_VERSION)
AC_SUBST(GIMP_SYSCONF_VERSION)
AC_SUBST(GIMP_USER_VERSION)
AC_SUBST(GIMP_UNSTABLE)
AC_SUBST(GIMP_FULL_NAME)


dnl The symbol GIMP_UNSTABLE is defined above for substitution in
dnl Makefiles and conditionally defined here as a preprocessor symbol.
if test "x$GIMP_UNSTABLE" = "xyes"; then
  AC_DEFINE(GIMP_UNSTABLE,1,
            [Define to 1 if this is an unstable version of the GIMP])
fi

dnl Choose a desktop icon
if test "x$GIMP_UNSTABLE" = "xyes"; then
  GIMP_DESKTOP_ICON="wilber-devel-icon.png"
else
  GIMP_DESKTOP_ICON="wilber-icon.png"
fi

AC_SUBST(GIMP_DESKTOP_ICON)


# libtool versioning
m4_define([lt_current], [m4_eval(100 * gimp_minor_version + gimp_micro_version - gimp_interface_age)])
m4_define([lt_revision], [gimp_interface_age])
m4_define([lt_age], [m4_eval(gimp_binary_age - gimp_interface_age)])
LT_VERSION_INFO="lt_current:lt_revision:lt_age"
LT_CURRENT_MINUS_AGE=m4_eval(lt_current - lt_age)
AC_SUBST(LT_VERSION_INFO)
AC_SUBST(LT_CURRENT_MINUS_AGE)

GLIB_REQUIRED_VERSION=glib_required_version
GTK_REQUIRED_VERSION=gtk_required_version
GDK_PIXBUF_REQUIRED_VERSION=gdk_pixbuf_required_version
PANGOFT2_REQUIRED_VERSION=pangoft2_required_version
FONTCONFIG_REQUIRED_VERSION=fontconfig_required_version
GTKDOC_REQUIRED_VERSION=gtkdoc_required_version
GTKHTML2_REQUIRED_VERSION=gtkhtml2_required_version
GIMPPRINT_REQUIRED_VERSION=gimpprint_required_version
GIMPPRINT_TOONEW_VERSION=gimpprint_toonew_version
RSVG_REQUIRED_VERSION=rsvg_required_version
WMF_REQUIRED_VERSION=wmf_required_version
AC_SUBST(GLIB_REQUIRED_VERSION)
AC_SUBST(GTK_REQUIRED_VERSION)
AC_SUBST(GDK_PIXBUF_REQUIRED_VERSION)
AC_SUBST(PANGOFT2_REQUIRED_VERSION)
AC_SUBST(FONTCONFIG_REQUIRED_VERSION)
AC_SUBST(GTKDOC_REQUIRED_VERSION)
AC_SUBST(GTKHTML2_REQUIRED_VERSION)
AC_SUBST(GIMPPRINT_REQUIRED_VERSION)
AC_SUBST(GIMPPRINT_TOONEW_VERSION)
AC_SUBST(RSVG_REQUIRED_VERSION)
AC_SUBST(WMF_REQUIRED_VERSION)

GETTEXT_PACKAGE=gimp20
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE",
                   [The prefix for our gettext translation domains.])


dnl Initialize libtool
AC_PROG_CC
AM_DISABLE_STATIC
AC_LIBTOOL_WIN32_DLL
AM_PROG_LIBTOOL

AM_PROG_AS

dnl Initialize maintainer mode
AM_MAINTAINER_MODE


###########################
# Check target architecture
###########################

AC_MSG_CHECKING([for target architecture])
case x"$target" in
  xNONE | x)
    target_or_host="$host" ;;
  *)
    target_or_host="$target" ;;
esac
AC_MSG_RESULT([$target_or_host])

case "$target_or_host" in
  i*86-*-*)
    have_x86=yes
    AC_DEFINE(ARCH_X86, 1, [Define to 1 if you are compiling for ix86.])
    ;;
  x86_64-*-*)
    have_x86=yes
    AC_DEFINE(ARCH_X86, 1, [Define to 1 if you are compiling for ix86.])
    AC_DEFINE(ARCH_X86_64, 1, [Define to 1 if you are compiling for amd64.])
    ;;
  ppc-*-linux* | powerpc-*)
    have_ppc=yes
    AC_DEFINE(ARCH_PPC, 1, [Define to 1 if you are compiling for PowerPC.])
    ;;
  *)
    ;;
esac


#################
# Check for Win32
#################

AC_MSG_CHECKING([for some Win32 platform])
case "$target_or_host" in
  *-*-mingw* | *-*-cygwin*)
    platform_win32=yes
    ;;
  *)
    platform_win32=no
    ;;
esac
AC_MSG_RESULT([$platform_win32])
AM_CONDITIONAL(PLATFORM_WIN32, test "$platform_win32" = "yes")

AC_MSG_CHECKING([for native Win32])
case "$target_or_host" in
  *-*-mingw*)
    os_win32=yes
    PATHSEP=';'
    ;;
  *)
    os_win32=no
    PATHSEP=':'
    ;;
esac
AC_MSG_RESULT([$os_win32])
AC_SUBST(PATHSEP)
AM_CONDITIONAL(OS_WIN32, test "$os_win32" = "yes")
AM_CONDITIONAL(OS_UNIX, test "$os_win32" != "yes")

if test "$os_win32" = "yes"; then
  AC_CHECK_PROG(ms_librarian, lib.exe, yes, no)
  AC_CHECK_TOOL(WINDRES, windres, :)
else
  WINDRES=":"
fi

AM_CONDITIONAL(MS_LIB_AVAILABLE, test x$ms_librarian = xyes)
AM_CONDITIONAL(HAVE_WINDRES, test "x$WINDRES" != "x:")

AC_SUBST(WINDRES)

###############
# Generic stuff
###############

dnl Checks for programs.
AC_ISC_POSIX
AM_PROG_CC_STDC
AC_PROG_INSTALL
AC_PROG_MAKE_SET

dnl Large file support for the swap file
AC_SYS_LARGEFILE

AC_MSG_CHECKING([whether to turn on debugging])
AC_ARG_ENABLE(debug,
              [  --enable-debug          turn on debugging (default=no)],
              if eval "test x$enable_debug = xyes"; then
                DEBUGFLAG="-g"
              fi)

if test -n "$DEBUGFLAG"; then
  AC_MSG_RESULT([yes])
  CFLAGS="$DEBUGFLAG $CFLAGS"
else
  AC_MSG_RESULT([no])
fi

AC_MSG_CHECKING([whether to turn on profiling])
AC_ARG_ENABLE(profile,
              [  --enable-profile        turn on profiling (default=no)],
              if eval "test x$enable_profile = xyes"; then
                PROFFLAG="-pg"
              fi)

if test -n "$PROFFLAG"; then
  AC_MSG_RESULT([yes])
  CFLAGS="$PROFFLAG $CFLAGS"
else
  AC_MSG_RESULT([no])
fi

AC_ARG_ENABLE(ansi,
              [  --enable-ansi           turn on strict ansi (default=no)],,
              enable_ansi=no)

changequote(,)dnl
if eval "test x$GCC = xyes"; then
  case " $CFLAGS " in
  *[\ \	]-Wall[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wall" ;;
  esac

  if test "x$enable_ansi" = "xyes"; then
    case " $CFLAGS " in
    *[\ \	]-ansi[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -ansi" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-pedantic[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -pedantic" ;;
    esac
  fi
fi
changequote([,])dnl

# Ensure MSVC-compatible struct packing convention is used when
# compiling for Win32 with gcc.
# What flag to depends on gcc version: gcc3 uses "-mms-bitfields", while
# gcc2 uses "-fnative-struct".
if test x"$os_win32" = xyes; then
  if test x"$GCC" = xyes; then
    msnative_struct=''
    AC_MSG_CHECKING([how to get MSVC-compatible struct packing])
    if test -z "$ac_cv_prog_CC"; then
      our_gcc="$CC"
    else
      our_gcc="$ac_cv_prog_CC"
    fi
    case `$our_gcc --version | sed -e 's,\..*,.,' -e q` in
      2.)
	if $our_gcc -v --help 2>/dev/null | grep fnative-struct >/dev/null; then
	  msnative_struct='-fnative-struct'
	fi
	;;
      *)
	if $our_gcc -v --help 2>/dev/null | grep ms-bitfields >/dev/null; then
	  msnative_struct='-mms-bitfields'
	fi
	;;
    esac
    if test x"$msnative_struct" = x ; then
      AC_MSG_RESULT([no way])
      AC_MSG_WARN([build will be incompatible with GTK+ DLLs])
    else
      CFLAGS="$CFLAGS $msnative_struct"
      AC_MSG_RESULT([${msnative_struct}])
    fi
  fi
fi

# Honor aclocal flags
ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"


AC_HEADER_DIRENT
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_TIME

AC_CHECK_HEADERS(sys/param.h sys/time.h sys/times.h sys/wait.h unistd.h)

AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_FUNC_VPRINTF

AC_FUNC_ALLOCA

dnl check some more funcs
AC_CHECK_FUNCS(difftime putenv mmap)


######################
# Internationalisation
######################

dnl Note to translators: you MUST have .po files in all 4 directories: po,
dnl po-libgimp, po-plug-ins, and po-script-fu before adding you language
dnl code to ALL_LINGUAS
ALL_LINGUAS="bg ca cs da de el en_CA en_GB es eu fi fr ga gl he hu hr id it ja ko lt ms nb nl no pa pl pt pt_BR ro ru sk sr sr@Latn sv tr uk vi yi zh_CN zh_TW"

AC_PROG_INTLTOOL
AM_GLIB_GNU_GETTEXT


###############################
# Checks for required libraries
###############################

AM_PATH_GLIB_2_0(glib_required_version, :,
  AC_MSG_ERROR(Test for GLIB failed. See the file 'INSTALL' for help.),
  gobject)

PKG_CHECK_MODULES(GMODULE, gmodule-2.0 gobject-2.0)
AC_SUBST(GMODULE_CFLAGS)
AC_SUBST(GMODULE_LIBS)

AC_MSG_CHECKING([if GLib is version 2.7.0 or newer])
if $PKG_CONFIG --atleast-version=2.7.0 glib-2.0; then
  have_glib_2_7=yes
else
  have_glib_2_7=no
fi
AC_MSG_RESULT($have_glib_2_7)

dnl Check for bind_textdomain_codeset, including -lintl if GLib brings it in.
gimp_save_LIBS=$LIBS
LIBS="$LIBS $GLIB_LIBS"
AC_CHECK_FUNCS(bind_textdomain_codeset)
LIBS=$gimp_save_LIBS


AC_PATH_XTRA

AM_PATH_GTK_2_0(gtk_required_version, :,
    AC_MSG_ERROR(Test for GTK+ failed. See the file 'INSTALL' for help.))

AC_MSG_CHECKING([if GTK+ is version 2.7.0 or newer])
if $PKG_CONFIG --atleast-version=2.7.0 gtk+-2.0; then
  have_gtk_2_7=yes
else
  have_gtk_2_7=no
fi
AC_MSG_RESULT($have_gtk_2_7)

PKG_CHECK_MODULES(GDK_PIXBUF, gdk-pixbuf-2.0 >= gdk_pixbuf_required_version)
AC_SUBST(GDK_PIXBUF_CFLAGS)
AC_SUBST(GDK_PIXBUF_LIBS)

AC_PATH_PROG(GDK_PIXBUF_CSOURCE, gdk-pixbuf-csource, no)
if test x$GDK_PIXBUF_CSOURCE = xno; then
  AC_MSG_ERROR(Could not find gdk-pixbuf-csource in your PATH)
fi

PKG_CHECK_MODULES(LIBART, libart-2.0)
AC_SUBST(LIBART_CFLAGS)
AC_SUBST(LIBART_LIBS)

PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= fontconfig_required_version)

PKG_CHECK_MODULES(PANGOFT2, pangoft2 >= pangoft2_required_version, :,
  AC_MSG_ERROR([Test for PangoFT2 failed.
*** We require Pango with the optional support for FreeType2 compiled in.
*** See the file 'INSTALL' for more help.]))
AC_SUBST(PANGOFT2_CFLAGS)
AC_SUBST(PANGOFT2_LIBS)

AC_MSG_CHECKING([if Pango is version 1.9.0 or newer])
if $PKG_CONFIG --atleast-version=1.9.0 pango; then
  have_pango_1_9=yes
else
  have_pango_1_9=no
fi
AC_MSG_RESULT($have_pango_1_9)

gimp_save_CFLAGS=$CFLAGS
CFLAGS="$PANGOFT2_CFLAGS $CFLAGS"

AC_MSG_CHECKING([if Pango is built with a recent fontconfig])
AC_TRY_COMPILE([#include <fontconfig/fontconfig.h>],
  [FcObjectSet *os; os = FcObjectSetBuild (FC_FAMILY, FC_WIDTH);],
  fontconfig_ok=yes, fontconfig_ok=no)
AC_MSG_RESULT($fontconfig_ok)

CFLAGS=$gimp_save_CFLAGS

if test "x$fontconfig_ok" = xno; then
  AC_MSG_ERROR([
*** You have a fontconfig >= fontconfig_required_version installed on your system, but your
*** PangoFT2 is using an older version. This old version is probably in
*** /usr/X11R6. Look at the above output, and note that the result for
*** FONTCONFIG_CFLAGS is not in the result for PANGOFT2_CFLAGS, and that
*** there is likely an extra -I line, other than the ones for GLIB,
*** Freetype, and Pango itself. That's where your old fontconfig files are.
*** Rebuild pango, and make sure that it uses the newer fontconfig. The
*** easiest way be sure of this is to simply get rid of the old fontconfig.
*** When you rebuild pango, make sure the result for FONTCONFIG_CFLAGS is
*** the same as the result here.])
fi

AC_PATH_PROG(FREETYPE_CONFIG, freetype-config, no)
if test "x$FREETYPE_CONFIG" != "xno" ; then
  AC_MSG_CHECKING([for freetype libraries])
  FREETYPE_LIBS=`$FREETYPE_CONFIG --libs`
  AC_MSG_RESULT($FREETYPE_LIBS)
fi
AC_SUBST(FREETYPE_LIBS)


##########################################
# Check for some special functions we need
##########################################

AC_CHECK_HEADERS(math.h ieeefp.h)

dnl DU4 native cc currently needs -std1 for ANSI mode (instead of K&R)
AC_MSG_CHECKING([for extra flags to get ANSI library prototypes])
gimp_save_LIBS=$LIBS
LIBS="$LIBS -lm"
AC_TRY_RUN([#include <math.h>
             int main (void) { return (log(1) != log(1.)); }],
  AC_MSG_RESULT(none needed),
  gimp_save_CFLAGS=$CFLAGS
  CFLAGS="$CFLAGS -std1"
  AC_TRY_RUN([#include <math.h>
               int main (void) { return (log(1) != log(1.)); }],
    AC_MSG_RESULT(-std1),
    AC_MSG_RESULT()
    CFLAGS=$gimp_save_CFLAGS
    AC_MSG_WARN([No ANSI prototypes found in library. (-std1 didn't work.)]),
    AC_MSG_RESULT),
  AC_MSG_RESULT())

dnl Check for finite or isfinite
AC_CHECK_FUNCS(finite, , [
  AC_MSG_CHECKING(for finite in <math.h>)
  AC_TRY_LINK([#include <math.h>], [double f = 0.0; finite (f)], [
    AC_DEFINE(HAVE_FINITE, 1)
    AC_MSG_RESULT(yes)], [
    AC_MSG_RESULT(no)
    AC_MSG_CHECKING(for isfinite in <math.h>)
    AC_TRY_LINK([#include <math.h>], [float f = 0.0; isfinite(f)], [
      AC_DEFINE(HAVE_ISFINITE, 1,
                [Define to 1 if you have the isfinite function.])
      AC_MSG_RESULT(yes)], AC_MSG_RESULT(no))])])
AC_SUBST(HAVE_FINITE)
AC_SUBST(HAVE_ISFINITE)

LIBS=$gimp_save_LIBS


dnl NeXTStep cc seems to need this
AC_MSG_CHECKING([for extra flags for POSIX compliance])
AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
  AC_MSG_RESULT(none needed),
  gimp_save_CFLAGS=$CFLAGS
  CFLAGS="$CFLAGS -posix"
  AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
    AC_MSG_RESULT(-posix),
    AC_MSG_RESULT()
    CFLAGS=$gimp_save_CFLAGS
    AC_MSG_WARN([Could not determine POSIX flag. (-posix didn't work.)])))

dnl check for rint
AC_CHECK_FUNC(rint, AC_DEFINE(HAVE_RINT, 1,
                              [Define to 1 if you have the rint function.]), [
  AC_CHECK_LIB(m, rint, [
    AC_DEFINE(HAVE_RINT)])])


######################################################
# Check for extra libs needed for inet_ntoa and socket
######################################################

gimp_save_LIBS=$LIBS
LIBS=""

AC_CHECK_FUNCS(inet_ntoa, , AC_CHECK_LIB(nsl, inet_ntoa))
AC_CHECK_LIB(socket, socket)

SOCKET_LIBS="$LIBS"
LIBS=$gimp_save_LIBS

AC_SUBST(SOCKET_LIBS)


########################
# Check for MMX assembly
########################

AC_ARG_ENABLE(mmx,
  [  --enable-mmx            enable MMX support (default=auto)],,
  enable_mmx=$have_x86)

AC_ARG_ENABLE(sse,
  [  --enable-sse            enable SSE support (default=auto)],,
  enable_sse=$enable_mmx)

if test "x$enable_mmx" = xyes; then

  AC_MSG_CHECKING(whether we can compile MMX code)

  AC_COMPILE_IFELSE([asm ("movq 0, %mm0");],

    AC_DEFINE(USE_MMX, 1, [Define to 1 if MMX assembly is available.])
    AC_MSG_RESULT(yes)

    if test "x$enable_sse" = xyes; then

      AC_MSG_CHECKING(whether we can compile SSE code)

      AC_COMPILE_IFELSE([asm ("movntps %xmm0, 0");],
        AC_DEFINE(USE_SSE, 1, [Define to 1 if SSE assembly is available.])
        AC_MSG_RESULT(yes)
      ,
        enable_sse=no
        AC_MSG_RESULT(no)
        AC_MSG_WARN([The assembler does not support the SSE command set.])
      )

    fi
  ,
    enable_mmx=no
    AC_MSG_RESULT(no)
    AC_MSG_WARN([The assembler does not support the MMX command set.])
  )

fi


############################
# Check for Altivec assembly
############################

AC_ARG_ENABLE(altivec,
  [  --enable-altivec        enable Altivec support (default=auto)],,
  enable_altivec=$have_ppc)

if test "x$enable_altivec" = xyes; then

  AC_MSG_CHECKING(whether we can compile Altivec code)

  AC_COMPILE_IFELSE([asm ("vand %v0, %v0, %v0");],
    AC_DEFINE(USE_ALTIVEC, 1, [Define to 1 if Altivec assembly is available.])
    AC_MSG_RESULT(yes)
  ,
    enable_altivec=no
    AC_MSG_RESULT(no)
    AC_MSG_WARN([The assembler does not support the Altivec command set.])
  )

fi


###################################
# Checks for shared memory handling
###################################

dnl MacOS X has broken SysV shm
case "$host_os" in
  darwin* | rhapsody* | machten*)
    shmdefault=posix
    ;;
  *)
    shmdefault=sysv
    ;;
esac

shmtype=auto
AC_ARG_WITH(shm, [  --with-shm=none|sysv|posix|auto    shared memory transport type (default=auto)], shmtype=$with_shm)

case $shmtype in
  none|sysv|posix) ;;
  auto) shmtype=$shmdefault ;;
  *) AC_MSG_ERROR([Invalid shared memory transport type: use none, sysv, posix, or auto.]);;
esac


if test "x$platform_win32" = "xyes"; then
  shmtype=win32
elif test "x$shmtype" = "xsysv"; then
  AC_CHECK_HEADER(sys/ipc.h,
    [AC_DEFINE(HAVE_IPC_H, 1,
               [Define to 1 if you have the <sys/ipc.h> header file.])],
    no_sys_ipc=yes)
  AC_CHECK_HEADER(sys/shm.h,
    [AC_DEFINE(HAVE_SHM_H, 1,
               [Define to 1 if you have the <sys/shm.h> header file.])],
    no_sys_shm=yes)

  if test "$ac_cv_header_sys_shm_h" = "yes"; then
    AC_MSG_CHECKING(whether shmctl IPC_RMID allowes subsequent attaches)
    AC_TRY_RUN([
	#include <sys/types.h>
	#include <sys/ipc.h>
	#include <sys/shm.h>
	int main()
	{
	  int id;
	  char *shmaddr;
	id = shmget (IPC_PRIVATE, 4, IPC_CREAT | 0600);
	if (id == -1)
	  exit (2);
	  shmaddr = shmat (id, 0, 0);
	  shmctl (id, IPC_RMID, 0);
	  if ((char*) shmat (id, 0, 0) == (char*) -1)
	  {
	    shmdt (shmaddr);
	    exit (1);
	  }
	  shmdt (shmaddr);
	  shmdt (shmaddr);
	  exit (0);
	}
      ],
      AC_DEFINE(IPC_RMID_DEFERRED_RELEASE, 1,
	        [Define to 1 if shared memory segments are released deferred.])
        AC_MSG_RESULT(yes),
      AC_MSG_RESULT(no),
      AC_MSG_RESULT(assuming no))

    AC_DEFINE(USE_SYSV_SHM, 1, [Define to 1 to use SYSV shared memory])
  else
    shmtype=none
  fi
elif test "x$shmtype" = "xposix"; then
  have_shm_open=no

  AC_CHECK_FUNC(shm_open, have_shm_open=yes)

  RT_LIBS=
  if test "$have_shm_open" != "yes"; then
    AC_CHECK_LIB(rt, shm_open, RT_LIBS="-lrt" have_shm_open=yes)
  fi
  AC_SUBST(RT_LIBS)

  AC_CHECK_HEADER(sys/mman.h,
    [AC_DEFINE(HAVE_MMAN_H, 1,
               [Define to 1 if you have the <sys/mman.h> header file.])],
    no_sys_mman=yes)

  if test "$ac_cv_func_mmap" = "yes" &&
     test "$ac_cv_header_sys_mman_h" = "yes" &&
     test "$have_shm_open" = "yes"; then
    AC_DEFINE(USE_POSIX_SHM, 1, [Define to 1 to use POSIX shared memory])
  else
    shmtype=none
  fi
fi

AC_MSG_CHECKING(for shared memory transport type)
AC_MSG_RESULT($shmtype)


########################
# Define a symbol prefix
########################

AC_MSG_CHECKING([whether symbols are prefixed])

case "$host_os" in
  mingw*)
    SYMPREFIX='_'
    ;;
  darwin* | rhapsody* | machten*)
    SYMPREFIX='_'
    ;;
  *)
    ;;
esac

if test -n "$SYMPREFIX"; then
  AC_MSG_RESULT([yes, with a $SYMPREFIX])
else
  AC_MSG_RESULT(no)
fi

AC_SUBST(SYMPREFIX)


##################################
# Check for regex support in glibc
##################################

AC_MSG_CHECKING(checking for regex in glibc)
AC_TRY_RUN([
#include <features.h>
#include <stdio.h>
#include <regex.h>
int main()
{
#if __GLIBC__ >= 2
  return (0);
#else
  return (1);
#endif
}], AC_DEFINE(HAVE_GLIBC_REGEX, 1,
              [Define to 1 if glibc has regex support.])
    have_glibc_regex=yes
    AC_MSG_RESULT(yes),
    AC_MSG_RESULT(no),
    AC_MSG_RESULT(assuming no))
AM_CONDITIONAL(HAVE_GLIBC_REGEX, test x$have_glibc_regex = xyes)

AC_SUBST(HAVE_GLIBC_REGEX)


############################
# Check for select and fdset
############################

AC_MSG_CHECKING([fd_set and sys/select])
AC_TRY_COMPILE([#include <sys/types.h>],
        [fd_set readMask, writeMask;], gimp_ok=yes, gimp_ok=no)
if test $gimp_ok = no; then
    AC_EGREP_HEADER(fd_mask, sys/select.h, gimp_ok=yes)
    if test $gimp_ok = yes; then
        AC_DEFINE(HAVE_SYS_SELECT_H, 1,
                  [Define to 1 if you have the <sys/select.h> header.])
    fi
fi
AC_MSG_RESULT($gimp_ok)
if test $gimp_ok = no; then
    AC_DEFINE(NO_FD_SET, 1,
              [Define to 1 if you don't have the fd_set function.])
fi


#############################
# Threads and multi processor 
#############################

dnl AC_ARG_ENABLE(threads, [  --enable-threads    support POSIX threading (default=no)])
dnl if test "x$enable_threads" = "xyes"; then
dnl   AC_CHECK_LIB(pthread, pthread_attr_init, 
dnl     [AC_DEFINE(USE_PTHREADS)
dnl     GIMP_THREAD_LIBS="-lpthread"
dnl     GIMP_THREAD_FLAGS="-D_REENTRANT"],
dnl     # AIX has libpthreads, cause they're special. Special friends (TM)
dnl     AC_CHECK_LIB(pthreads, pthread_attr_init,
dnl       [AC_DEFINE(USE_PTHREADS)
dnl       GIMP_THREAD_LIBS="-lpthreads"
dnl       GIMP_THREAD_FLAGS="-D_REENTRANT -D_THREAD_SAFE"]))
dnl fi

AC_SUBST(GIMP_THREAD_FLAGS)
AC_SUBST(GIMP_THREAD_LIBS)


AC_ARG_ENABLE(mp, [  --enable-mp             support multiple processors (default=no)])
if test "x$enable_mp" = "xyes"; then
  AC_CHECK_LIB(pthread, pthread_attr_init, 
    [AC_DEFINE(ENABLE_MP, 1,
	       [Define to 1 to enable support for multiple processors.])
    GIMP_MP_LIBS="-lpthread"
    GIMP_MP_FLAGS="-D_REENTRANT"],
    # AIX has libpthreads, cause they're special. Special friends (TM)
    AC_CHECK_LIB(pthreads, pthread_attr_init,
      [AC_DEFINE(ENABLE_MP)
      GIMP_MP_LIBS="-lpthreads"
      GIMP_MP_FLAGS="-D_REENTRANT -D_THREAD_SAFE"]))
fi

AC_SUBST(GIMP_MP_FLAGS)
AC_SUBST(GIMP_MP_LIBS)


################################
# Some plug-ins are X11 specific
################################

dnl Check if building for GTK+-X11
gdk_target=`$PKG_CONFIG --variable=target gtk+-2.0`
if test "$gdk_target" = x11; then
    dnl Test for Xmu
    if test -z "$LIBXMU"; then
      gimp_save_CFLAGS="$CFLAGS"
      gimp_save_LDFLAGS="$LDFLAGS"
      CFLAGS="$CFLAGS $GTK_CFLAGS"
      LDFLAGS="$LDFLAGS $X_LIBS"
      AC_CHECK_LIB(Xmu, XmuClientWindow,
        [AC_CHECK_HEADERS(X11/Xmu/WinUtil.h,
          GIMP_REMOTE='gimp-remote-gimp_app_version';
	  have_libxmu=yes
          LIBXMU="$X_LIBS $X_PRE_LIBS -lX11 -lXmu -lXt",
	  [AC_MSG_WARN(*** gimp-remote will not be built (XMU header file not found) ***)],[#include <gdk/gdkx.h>])],
	[AC_MSG_WARN(*** gimp-remote will not be built (XMU library not found) ***)], -lXt -lX11)
      CFLAGS="$gimp_save_CFLAGS"
      LDFLAGS="$gimp_save_LDFLAGS"
    fi

   dnl screenshot plug-in needs to link to X11 explicitely
   LIBSCREENSHOT="$X_LIBS -lX11"
fi

AC_SUBST(LIBXMU)
AC_SUBST(LIBSCREENSHOT)
AC_SUBST(GIMP_REMOTE)


###################
# Check for libtiff
###################

AC_ARG_WITH(libtiff,  [  --without-libtiff       build without TIFF support])
  if test x$with_libtiff != xno && test -z "$LIBTIFF"; then
    AC_CHECK_LIB(tiff, TIFFReadScanline,
      [AC_CHECK_HEADER(tiffio.h,
	TIFF='tiff$(EXEEXT)'; LIBTIFF='-ltiff',
	[AC_MSG_WARN(*** TIFF plug-in will not be built (TIFF header files not found) ***)])],
      [AC_CHECK_LIB(tiff, TIFFWriteScanline,
	[AC_CHECK_HEADER(tiffio.h,
          TIFF='tiff$(EXEEXT)'; LIBTIFF='-ltiff -ljpeg -lz',
	  [AC_MSG_WARN(*** TIFF plug-in will not be built (TIFF header files not found) ***)])],
	[AC_CHECK_LIB(tiff34, TIFFFlushData,
	  [AC_CHECK_HEADER(tiffio.h,
            TIFF='tiff$(EXEEXT)'; LIBTIFF='-ltiff34 -ljpeg -lz',
	    [AC_MSG_WARN(*** TIFF plug-in will not be built (TIFF header files not found) ***)])],
        [AC_MSG_WARN(*** TIFF plug-in will not be built (TIFF library not found) ***)], -ljpeg -lz -lm)], -ljpeg -lz -lm)], -lm)
  fi

  if test x$with_libtiff != xno && test -z "$LIBTIFF"; then
     AC_MSG_ERROR([
*** Checks for TIFF libary failed. You can build without it by passing 
*** --without-libtiff to configure but you won't be able to use TIFFs then.])
  fi

AC_SUBST(TIFF)
AC_SUBST(LIBTIFF)


###################
# Check for libjpeg
###################

AC_ARG_WITH(libjpeg,  [  --without-libjpeg       build without JPEG support])
  if test x$with_libjpeg != xno && test -z "$LIBJPEG"; then
    AC_CHECK_LIB(jpeg, jpeg_destroy_decompress,
      jpeg_ok=yes,
      [jpeg_ok=no
      AC_MSG_WARN(*** JPEG plug-in will not be built (JPEG library not found) ***)
      AC_MSG_WARN(*** XJT plug-in will not be built (JPEG library not found) ***)])
    if test "$jpeg_ok" = yes; then
      AC_MSG_CHECKING([for jpeglib.h])
      AC_TRY_CPP([
#include <stdio.h>
#undef HAVE_STDDEF_H
#undef HAVE_STDLIB_H
#undef PACKAGE
#undef VERSION
#include <jpeglib.h>],
	jpeg_ok=yes,
	jpeg_ok=no)
      AC_MSG_RESULT($jpeg_ok)
      if test "$jpeg_ok" = yes; then
	JPEG='jpeg$(EXEEXT)'; LIBJPEG='-ljpeg'
	AC_CHECK_LIB(jpeg, jpeg_simple_progression,	
	  AC_DEFINE(HAVE_PROGRESSIVE_JPEG, 1,
                    [Define to 1 if jpeglib supports progressive JPEG.]),
	  AC_MSG_WARN(JPEG library does not support progressive saving.))
      else
	AC_MSG_WARN(*** JPEG plug-in will not be built (JPEG header file not found) ***)
        AC_MSG_WARN(*** XJT plug-in will not be built (JPEG header file not found) ***)
      fi
    fi
  fi

  if test x$with_libjpeg != xno && test -z "$LIBJPEG"; then
     AC_MSG_ERROR([
*** Checks for JPEG library failed. You can build without it by passing 
*** --without-libjpeg to configure but you won't be able to use JPEGs then.])
  fi

AC_SUBST(JPEG)
AC_SUBST(LIBJPEG)

## xjt does build, but it is more confusing than useful on Win32,
## as it wants to run tar, mv and bzip2, which seldom are available
AM_CONDITIONAL(BUILD_XJT, test x$jpeg_ok = xyes && test x"$os_win32" = xno)


################
# Check for libz
################

if test -z "$LIBZ"; then
  AC_CHECK_LIB(z, gzsetparams,
    [AC_CHECK_HEADER(zlib.h,
      PSP='psp$(EXEEXT)'; LIBZ='-lz',
      [AC_MSG_WARN(*** PSP and PNG plug-ins will not be built (ZLIB header files not found) ***)])],
    [AC_MSG_WARN(*** PSP and PNG plug-ins will not be built (ZLIB library not found) ***)])
fi

AC_SUBST(LIBZ)
AC_SUBST(PSP)


##################
# Check for libpng
##################

AC_ARG_WITH(libpng,  [  --without-libpng        build without PNG support])
  if test x$with_libpng != xno && test -z "$LIBPNG" && test -n "$LIBZ"; then
    AC_CHECK_LIB(png, png_read_info,
      [AC_CHECK_HEADER(png.h,
	png_ok=yes,
	png_ok=no)],
      [AC_MSG_WARN(*** PNG plug-in will not be built (PNG library not found) ***)], -lz -lm)
    if test "$png_ok" = yes; then
      AC_MSG_CHECKING([for png_structp in png.h])
      AC_TRY_COMPILE([#include <png.h>],
        [png_structp pp; png_infop info; png_colorp cmap; png_create_read_struct;],
        png_ok=yes,
        png_ok=no)
      AC_MSG_RESULT($png_ok)
      if test "$png_ok" = yes; then
        PNG='png$(EXEEXT)'; LIBPNG="-lpng $LIBZ"
      else
        AC_MSG_WARN(*** PNG plug-in will not be built (PNG library is too old) ***)
      fi
    else
      AC_MSG_WARN(*** PNG plug-in will not be built (PNG header file not found) ***)
    fi
  fi

  if test x$with_libpng != xno && test -z "$LIBPNG"; then
     AC_MSG_ERROR([
*** Checks for PNG library failed. You can build without it by passing 
*** --without-libpng to configure but you won't be able to use PNGs then.])
  fi

AC_SUBST(PNG)
AC_SUBST(LIBPNG)


##################
# Check for libmng
##################

AC_ARG_WITH(libmng,  [  --without-libmng        build without MNG support])
  if test x$with_libmng != xno && test -z "$LIBMNG" &&
     test -n "$LIBPNG" && test -n "$LIBJPEG" && test -n "$LIBZ"; then
    AC_CHECK_LIB(mng, mng_create,
      [AC_CHECK_HEADER(libmng.h, mng_ok=yes)],
      [AC_MSG_WARN(*** MNG plug-in will not be built (MNG library not found) ***)], -lz -lm)
    if test "$mng_ok" = yes; then
      MNG='mng$(EXEEXT)'; LIBMNG="-lmng $LIBJPEG $LIBPNG"
    else
      AC_MSG_WARN(*** MNG plug-in will not be built (MNG header file not found) ***)
    fi
  fi

AC_SUBST(MNG)
AC_SUBST(LIBMNG)


############################################################
# libexif: Library to allow exif tags to be read from, and
# saved to, jpeg files. Currently, this permits exif data to
# avoid destruction, but no data modification is performed.
############################################################

AC_ARG_WITH(libexif,  [  --without-libexif       build without EXIF support])
if test x$with_libexif != xno && test -z "$LIBEXIF" && test -n "$LIBJPEG"; then
  PKG_CHECK_MODULES(EXIF, libexif, 
    AC_DEFINE(HAVE_EXIF, 1, "Define to 1 if libexif is available"),
    AC_MSG_WARN([libexif not found!
EXIF support will not be built into the JPEG plug-in. 
libexif is available from http://www.sourceforge.net/projects/libexif]))
fi

AC_SUBST(EXIF_CFLAGS)
AC_SUBST(EXIF_LIBS)

#################
# Check for libaa
#################


AC_ARG_WITH(aa,  [  --without-aa            do not build the AA plug-in])
if test x$with_aa != xno && test -z "$LIBAA"; then
  AC_CHECK_LIB(aa, aa_printf,
    [AC_CHECK_HEADER(aalib.h,
      AA='aa$(EXEEXT)'; LIBAA='-laa',
      [AC_MSG_WARN(*** AA plug-in will not be built (AA header file not found) ***)])],
    [AC_MSG_WARN(*** AA plug-in will not be built (AA library not found) ***)])
fi

AC_SUBST(AA)
AC_SUBST(LIBAA)


##################
# Check for libxpm
##################

gimp_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $X_CFLAGS"
gimp_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $X_LIBS"
if test "$gdk_target" = x11; then
  lib_X11=-lX11
fi
if test -z "$LIBXPM"; then
  AC_CHECK_LIB(Xpm, XpmReadFileToXpmImage,
    [AC_CHECK_HEADER(X11/xpm.h,
      XPM='xpm$(EXEEXT)'; LIBXPM="$X_LIBS $X_PRE_LIBS $lib_X11 -lXpm",
      [AC_MSG_WARN(*** XPM plug-in will not be built (XPM header file not found) ***)])],
    [AC_MSG_WARN(*** XPM plug-in will not be built (XPM library not found) ***)], $X_PRE_LIBS $lib_X11)
fi
CFLAGS="$gimp_save_CFLAGS"
LDFLAGS="$gimp_save_LDFLAGS"

AC_SUBST(XPM)
AC_SUBST(LIBXPM)


####################
# Check for gtkhtml2
####################

PKG_CHECK_MODULES(GTKHTML2, libgtkhtml-2.0 >= gtkhtml2_required_version,
  have_gtkhtml2=yes,
  AC_MSG_WARN([*** Help browser plug-in will not be built (GtkHtml2 not found) ***]))
AC_SUBST(GTKHTML2_CFLAGS)
AC_SUBST(GTKHTML2_LIBS)
AM_CONDITIONAL(BUILD_HELPBROWSER, test x$have_gtkhtml2 = xyes)


###################
# Check for librsvg
###################

PKG_CHECK_MODULES(SVG, librsvg-2.0 >= rsvg_required_version,
  SVG='svg$(EXEEXT)'
  LIBSVG=$SVG_LIBS,
  AC_MSG_WARN([*** SVG import plug-in will not be built (librsvg not found) ***]))
AC_SUBST(SVG)
AC_SUBST(SVG_CFLAGS)
AC_SUBST(LIBSVG)


######################
# Check for gimp-print
######################

AC_ARG_ENABLE(print, [  --disable-print         build without print support (requires libgimpprint)])

have_gimp_print=no
if test "x$enable_print" != "xno"; then
  AM_PATH_GIMPPRINT(gimpprint_required_version,
    [print_version=`$GIMPPRINT_CONFIG --version`
      if expr $print_version \>= gimpprint_toonew_version >/dev/null; then
        AC_MSG_WARN([
*** libgimpprint version $print_version is too new.
*** It is likely an unstable development version.
*** You need a version before gimpprint_toonew_version.])
      else
        have_gimp_print=yes
dnl sanity check to avoid bug #125283
        if expr $print_version \< gimpprint_suggested_version >/dev/null; then
          AC_MSG_WARN([
*** libgimpprint version $print_version causes problems under certain locales.
*** We strongly suggest you upgrade to version gimpprint_suggested_version.])
        fi
      fi
    ])
fi

if test x$enable_print != xno && test x$have_gimp_print != xyes; then
  AC_MSG_ERROR([
*** Check for libgimpprint failed. You can download it from 
*** http://gimp-print.sourceforge.net/ or you can build without it by passing 
*** --disable-print to configure (but you won't be able to print then).])
fi

AC_SUBST(PRINT_LIBS)
AC_SUBST(PRINT_CFLAGS)
AM_CONDITIONAL(BUILD_PRINT,
               test x$enable_print != xno && test x$have_gimp_print = xyes)


###################
# Check for libwmf2
###################

AC_PATH_PROG(WMF_CONFIG, libwmf-config, no)
if test "x$WMF_CONFIG" != "xno" ; then
  AC_MSG_CHECKING(for libwmf >= wmf_required_version)
  wmf_version=`$WMF_CONFIG --version`
  if expr $wmf_version \>= wmf_required_version >/dev/null; then
    AC_MSG_RESULT([yes (version $wmf_version)])
    WMF='wmf$(EXEEXT)'
    LIBWMF=`$WMF_CONFIG --libs`
    WMF_CFLAGS=`$WMF_CONFIG --cflags`
  else
    AC_MSG_WARN([*** WMF plug-in will not be built (libwmf is too old)])
  fi
else
  AC_MSG_WARN([*** WMF plug-in will not be built (libwmf not found) ***])
fi
AC_SUBST(LIBWMF)
AC_SUBST(WMF_CFLAGS)


################
# Check for lcms
################

have_lcms=no
AC_CHECK_LIB(lcms, cmsCreate_sRGBProfile, [
  AC_CHECK_HEADER(lcms.h,
    have_lcms=yes, [
    AC_CHECK_HEADER(lcms/lcms.h,
      have_lcms=yes
      AC_DEFINE(HAVE_LCMS_LCMS_H, 1,
        [Define to 1 if the lcms header must be included as lcms/lcms.h]))
    ])
])

if test $have_lcms = yes; then
  LCMS_LIBS="-llcms"
else
  AC_MSG_WARN([*** color proof module will not be built (lcms not found or unuseable) ***])
fi

AC_SUBST(LCMS_LIBS)
AM_CONDITIONAL(HAVE_LCMS, test $have_lcms = yes)


################
# Check for alsa
################

AM_PATH_ALSA(alsa_required_version,
             AC_DEFINE(HAVE_ALSA, 1, [Define to 1 if alsa is available]),
             AC_MSG_WARN([*** midi input controller will be built without alsa support (alsa not found or unuseable) ***]))


#######################
# Check for linux input
#######################

AC_ARG_WITH(linux-input,
              [  --without-linux-input   don't build linux input event controller module])

have_linux_input=no
if test "x$with_linux_input" != "xno"; then
  AC_CHECK_HEADER(linux/input.h, have_linux_input=yes)
fi

AM_CONDITIONAL(HAVE_LINUX_INPUT, test $have_linux_input = yes)


############################################################
# GIF compression: Allow builder to specify at compile time
# which compression style she wants to use for GIFs.
# LZW: Unisys patented Lempel-Ziff encoding.
# RLE: Runlength encoding (produces files about twice as big
#			   as the LZW compressed equivalent).
# None: Raw data.
############################################################

AC_ARG_WITH(gif-compression, 
            [  --with-gif-compression=lzw|rle|none     GIF compression style (default=lzw)])

case x"$with_gif_compression" in
  xnone)
    AC_DEFINE(GIF_UN, 1, [Define to 1 for no GIF compression]) ;;
  xrle)
    AC_DEFINE(GIF_RLE, 1, [Define to 1 for RLE GIF compression]) ;;
esac


####################
# Check for sendmail
####################

AC_ARG_WITH(sendmail,[  --with-sendmail=DIR     set sendmail command location])

if test "x$with_sendmail" != "x"; then
  sendmail_path=$with_sendmail
else
  sendmail_path=$PATH:/usr/sbin:/usr/lib
fi

AC_PATH_PROG(SENDMAIL, sendmail, , $sendmail_path)
if test "x$SENDMAIL" != "x"; then
  AC_DEFINE_UNQUOTED(SENDMAIL, "$SENDMAIL",
	             [The MTA used by the mail plug-in.])
fi


################
# Check for perl
################

AC_PATH_PROGS(PERL,perl5 perl perl5.005 perl5.004,perl)


AC_ARG_WITH(pdbgen,
            [  --with-pdbgen           use 'pdbgen' code generation tool],,
  with_pdbgen=$enable_maintainer_mode)

AM_CONDITIONAL(WITH_PDBGEN, test x$with_pdbgen = xyes)


##################
# Check for python
##################

dnl Pygimp configure stuff ...
AC_ARG_ENABLE(python,
  AC_HELP_STRING([--enable-python],
                 [build python extension (by default disabled)]),,
  [enable_python=no])


if test "x$enable_python" != xno; then
  dnl check for Python
  AM_PATH_PYTHON(2.2)
  AM_CHECK_PYTHON_HEADERS(,[AC_MSG_ERROR(could not find Python headers)])

  dnl check for PyGTK
  PKG_CHECK_MODULES(PYGTK, pygtk-2.0 >= pygtk_required_version)
  AC_SUBST(PYGTK_CFLAGS)

  dnl enable -fno-strict-aliasing if compiler supports it
  PYGIMP_EXTRA_CFLAGS=
  case " $CFLAGS " in
  *@<:@\	\ @:>@-fno-strict-aliasing@<:@\	\ @:>@*)
    ;;
  *)
    pygimp_save_CFLAGS="$CFLAGS"
    CFLAGS="$CFLAGS -fno-strict-aliasing"
    AC_MSG_CHECKING([whether [$]CC understands -fno-strict-aliasing])
    AC_TRY_COMPILE([], [], [pygimp_has_option=yes], [pygimp_has_option=no])
    AC_MSG_RESULT($pygimp_has_option)
    CFLAGS="$pygimp_save_CFLAGS"
    if test "x$pygimp_has_option" = "xyes"; then
      PYGIMP_EXTRA_CFLAGS="-fno-strict-aliasing"
    fi
    ;;
  esac
  AC_SUBST(PYGIMP_EXTRA_CFLAGS)
fi
AM_CONDITIONAL(BUILD_PYTHON, test "x$enable_python" != xno)


###########################################################
# Some plug-ins don't build on Win32, others are Win32-only
###########################################################

if test x"$os_win32" = xyes; then
  WINCLIPBOARD='winclipboard$(EXEEXT)'
  WINPRINT='winprint$(EXEEXT)'
else
  MAIL='mail$(EXEEXT)'
  SCREENSHOT='screenshot$(EXEEXT)'
  URL='url$(EXEEXT)'
fi

AC_SUBST(MAIL)
AC_SUBST(SCREENSHOT)
AC_SUBST(URL)
AC_SUBST(WINCLIPBOARD)
AC_SUBST(WINPRINT)
AC_SUBST(WMF)


############################################################
# Check for Mac OS X TWAIN framework (can't build on Darwin)
############################################################

AC_MSG_CHECKING([checking for Mac OS X TWAIN support])
AC_TRY_CPP([
#include <Carbon/Carbon.h>
#include <TWAIN/TWAIN.h>
],
twain_ok=yes,
twain_ok=no)
AC_MSG_RESULT($twain_ok)
AM_CONDITIONAL(HAVE_MAC_TWAIN, test x$twain_ok = xyes)


##########################################################
# Determine where to install the desktop & mime info files
##########################################################

AC_ARG_WITH(desktop-dir, [  --with-desktop-dir=PATH where to install desktop files (default=PREFIX/share)])

if test "x$with_desktop_dir" != x; then
  DESKTOP_DATADIR=$with_desktop_dir
else
  DESKTOP_DATADIR="$datadir"
fi

AM_CONDITIONAL(DESKTOP_DATADIR, test "x$with_desktop_dir" != xno)
AC_SUBST(DESKTOP_DATADIR)


#####################
# Check for XML tools
#####################

AC_PATH_PROG(XMLLINT, xmllint, no)
AM_CONDITIONAL(HAVE_XMLLINT, test "x$XMLLINT" != "xno")

AC_PATH_PROG(XSLTPROC, xsltproc, no)
AM_CONDITIONAL(HAVE_XSLTPROC, test "x$XSLTPROC" != "xno")


######################################
# Checks for gtk-doc and docbook-tools
######################################

GTK_DOC_CHECK([1.0])

dnl NOTE: We need to use a separate automake conditional for this
dnl       to make this work with the tarballs.
AM_CONDITIONAL(ENABLE_GTK_DOC, test x$enable_gtk_doc = xyes)


#########################################
# Allow to configure the gimp environment
#########################################

AC_ARG_ENABLE(default-binary, [  --enable-default-binary install this as the default gimp binary (default=gimp_stable)], , enable_default_binary=gimp_stable)

AM_CONDITIONAL(DEFAULT_BINARY, test x$enable_default_binary = xyes)


AC_ARG_ENABLE(gimp-console, [  --enable-gimp-console   build a console-only binary which does not link GTK+], , enable_gimp_console=no)

AM_CONDITIONAL(ENABLE_GIMP_CONSOLE, test x$enable_gimp_console = xyes)


dnl Possibly change default gimpdir from .gimp-major.minor
gimpdir=.gimp-gimp_user_version
AC_ARG_WITH(gimpdir, [  --with-gimpdir=DIR      change default gimpdir from .gimp-gimp_user_version to DIR],
if eval "test x$with_gimpdir != x"; then
  if eval "test x$with_gimpdir != xyes"; then
    gimpdir=$with_gimpdir
  fi
fi)

gimpdatadir="$datadir/$PACKAGE/gimp_data_version"
gimpplugindir="$libdir/$PACKAGE/gimp_plugin_version"
gimpsysconfdir="$sysconfdir/$PACKAGE/gimp_sysconf_version"

AC_SUBST(gimpdir)
AC_SUBST(gimpdatadir)
AC_SUBST(gimpplugindir)
AC_SUBST(gimpsysconfdir)


# GNU format message catalogs go into $datadir/locale,
# standard location is $libdir/locale. DATADIRNAME set accordingly.

localedir="$datadir/locale"
if test "$DATADIRNAME" = "lib"; then
   localedir="$libdir/locale"
fi

AC_SUBST(localedir)


############################
# Some defines for the build
############################

GIMPINSTALL=
if test "$INSTALL" = "$ac_install_sh"; then
  GIMPINSTALL="gimpinstall-gimp_tool_version"
fi
AC_SUBST(GIMPINSTALL)

AM_CONDITIONAL(STATICLIBS, test x$enable_static = xyes)

dnl a tuned version of glib-mkenums
GIMP_MKENUMS="\$(PERL) \$(top_srcdir)/tools/gimp-mkenums"
AC_SUBST(GIMP_MKENUMS)


#############################
# Disable deprecated GIMP API
#############################

CPPFLAGS="${CPPFLAGS} -DGIMP_DISABLE_DEPRECATED"

##############################################################
# Default to disable deprecated GTK+ stuff for 2.4.x and 2.6.x
##############################################################

if test "x$have_glib_2_7" != "xyes"; then
  CPPFLAGS="${CPPFLAGS} -DG_DISABLE_DEPRECATED"
fi

if test "x$have_gtk_2_7" != "xyes"; then
  CPPFLAGS="${CPPFLAGS} -DGDK_PIXBUF_DISABLE_DEPRECATED -DGDK_DISABLE_DEPRECATED -DGTK_DISABLE_DEPRECATED"
fi

if test "x$have_pango_1_9" != "xyes"; then
  CPPFLAGS="${CPPFLAGS} -DPANGO_DISABLE_DEPRECATED"
fi

############################
# Require multihead safe API
############################

CPPFLAGS="${CPPFLAGS} -DGDK_MULTIHEAD_SAFE -DGTK_MULTIHEAD_SAFE"


##################
# configure output
##################

dnl easy way to skip the plug-in build
GIMP_PLUGINS=plug-ins
GIMP_MODULES=modules
AC_SUBST(GIMP_PLUGINS)
AC_SUBST(GIMP_MODULES)

AC_CONFIG_COMMANDS([libgimpbase/gimpversion.h], [
  outfile=gimpversion.h-tmp
  cat > $outfile <<\_______EOF
/* gimpversion.h
 *
 * This is a generated file.  Please modify 'configure.in'
 */

#ifndef __GIMP_VERSION_H__
#define __GIMP_VERSION_H__

G_BEGIN_DECLS


_______EOF

  cat >>$outfile <<_______EOF
#define GIMP_MAJOR_VERSION                              ($gimp_major_ver)
#define GIMP_MINOR_VERSION                              ($gimp_minor_ver)
#define GIMP_MICRO_VERSION                              ($gimp_micro_ver)
#define GIMP_VERSION                                    "$gimp_ver"
#define GIMP_API_VERSION                                "$gimp_api_ver"
_______EOF
                                                                                
  cat >>$outfile <<\_______EOF
#define GIMP_CHECK_VERSION(major, minor, micro) \
    (GIMP_MAJOR_VERSION > (major) || \
     (GIMP_MAJOR_VERSION == (major) && GIMP_MINOR_VERSION > (minor)) || \
     (GIMP_MAJOR_VERSION == (major) && GIMP_MINOR_VERSION == (minor) && \
      GIMP_MICRO_VERSION >= (micro)))


G_END_DECLS

#endif /* __GIMP_VERSION_H__ */
_______EOF

  if cmp -s $outfile libgimpbase/gimpversion.h; then
    AC_MSG_NOTICE([libgimpbase/gimpversion.h is unchanged])
    rm -f $outfile
  else
    mv $outfile libgimpbase/gimpversion.h
  fi
],[
  gimp_major_ver=gimp_major_version
  gimp_minor_ver=gimp_minor_version
  gimp_micro_ver=gimp_micro_version
  gimp_ver=gimp_version
  gimp_api_ver=gimp_api_version
])

AC_CONFIG_FILES([
gimptool-win32.c
tools/Makefile
tools/pdbgen/Makefile
regexrepl/Makefile
libgimp/Makefile
libgimpbase/Makefile
libgimpcolor/Makefile
libgimpmath/Makefile
libgimpmodule/Makefile
libgimpthumb/Makefile
libgimpwidgets/Makefile
app/Makefile
app/actions/Makefile
app/base/Makefile
app/config/Makefile
app/core/Makefile
app/dialogs/Makefile
app/display/Makefile
app/file/Makefile
app/gui/Makefile
app/menus/Makefile
app/paint/Makefile
app/paint-funcs/Makefile
app/composite/Makefile
app/pdb/Makefile
app/plug-in/Makefile
app/text/Makefile
app/tools/Makefile
app/vectors/Makefile
app/widgets/Makefile
app/xcf/Makefile
plug-ins/Makefile
plug-ins/dbbrowser/Makefile
plug-ins/script-fu/Makefile
plug-ins/script-fu/siod/Makefile
plug-ins/script-fu/scripts/Makefile
plug-ins/script-fu/scripts/images/Makefile
plug-ins/xjt/Makefile
plug-ins/FractalExplorer/Makefile
plug-ins/FractalExplorer/examples/Makefile
plug-ins/Lighting/Makefile
plug-ins/Lighting/images/Makefile
plug-ins/MapObject/Makefile
plug-ins/bmp/Makefile
plug-ins/common/Makefile
plug-ins/faxg3/Makefile
plug-ins/fits/Makefile
plug-ins/flame/Makefile
plug-ins/gfig/Makefile
plug-ins/gfig/gfig-examples/Makefile
plug-ins/gfig/images/Makefile
plug-ins/gflare/Makefile
plug-ins/gflare/gflares/Makefile
plug-ins/gfli/Makefile
plug-ins/gimpressionist/Makefile
plug-ins/gimpressionist/Brushes/Makefile
plug-ins/gimpressionist/Paper/Makefile
plug-ins/gimpressionist/Presets/Makefile
plug-ins/help/Makefile
plug-ins/helpbrowser/Makefile
plug-ins/ifscompose/Makefile
plug-ins/imagemap/Makefile
plug-ins/imagemap/images/Makefile
plug-ins/maze/Makefile
plug-ins/pagecurl/Makefile
plug-ins/print/Makefile
plug-ins/pygimp/Makefile
plug-ins/pygimp/doc/Makefile
plug-ins/pygimp/plug-ins/Makefile
plug-ins/rcm/Makefile
plug-ins/rcm/images/Makefile
plug-ins/sel2path/Makefile
plug-ins/sgi/Makefile
plug-ins/twain/Makefile
plug-ins/winicon/Makefile
plug-ins/winsnap/Makefile
modules/Makefile
devel-docs/Makefile
devel-docs/app/Makefile
devel-docs/app/version
devel-docs/libgimp/Makefile
devel-docs/libgimp/version
devel-docs/libgimpbase/Makefile
devel-docs/libgimpbase/version
devel-docs/libgimpcolor/Makefile
devel-docs/libgimpcolor/version
devel-docs/libgimpmath/Makefile
devel-docs/libgimpmath/version
devel-docs/libgimpmodule/Makefile
devel-docs/libgimpmodule/version
devel-docs/libgimpthumb/Makefile
devel-docs/libgimpthumb/version
devel-docs/libgimpwidgets/Makefile
devel-docs/libgimpwidgets/version
docs/Makefile
menus/Makefile
tips/Makefile
cursors/Makefile
themes/Makefile
themes/Default/Makefile
themes/Default/images/Makefile
themes/Default/images/preferences/Makefile
themes/Small/Makefile
data/Makefile
data/environ/Makefile
data/misc/Makefile
data/misc/gimp.desktop.in
data/misc/gimp.keys
data/misc/gimp.applications
data/images/Makefile
data/brushes/Makefile
data/gradients/Makefile
data/palettes/Makefile
data/patterns/Makefile
etc/Makefile
m4macros/Makefile
po/Makefile.in
po-libgimp/Makefile.in
po-plug-ins/Makefile.in
po-script-fu/Makefile.in
gimp-zip
Makefile
])

dnl Files with versions in their names
AC_CONFIG_FILES(
docs/gimp-gimp_app_version.1:docs/gimp.1.in
docs/gimprc-gimp_app_version.5:docs/gimprc.5.in
docs/gimptool-gimp_tool_version.1:docs/gimptool.1.in
docs/gimp-remote-gimp_app_version.1:docs/gimp-remote.1.in
gimptool-gimp_tool_version:gimptool-2.0.in
gimp-gimp_pkgconfig_version.pc:gimp.pc.in
gimpthumb-gimp_pkgconfig_version.pc:gimpthumb.pc.in
gimpui-gimp_pkgconfig_version.pc:gimpui.pc.in
)

AC_CONFIG_COMMANDS([chmod-scripts],
[chmod +x gimptool-gimp_tool_version])

AC_CONFIG_COMMANDS([sed-po-makefiles],
[sed -e "/POTFILES =/r po-libgimp/POTFILES" po-libgimp/Makefile.in > po-libgimp/Makefile
sed -e "/POTFILES =/r po-plug-ins/POTFILES" po-plug-ins/Makefile.in > po-plug-ins/Makefile
sed -e "/POTFILES =/r po-script-fu/POTFILES" po-script-fu/Makefile.in > po-script-fu/Makefile])

AC_OUTPUT