configure.in 45.2 KB
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# require autoconf 2.52
AC_PREREQ(2.52)

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# Process this file with autoconf to produce a configure script.
AC_INIT(gdk/gdktypes.h)

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#
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# For each of the libraries we build, we define the following
# substituted variables:
#
# foo_PACKAGES:     pkg-config packages this library requires
# foo_EXTRA_LIBS:   Libraries this module requires not pulled in by pkg-config
# foo_EXTRA_CFLAGS: cflags this module requires not pulled in by pkg-config
# foo_DEP_LIBS:     All libraries this module requires
# foo_DEP_CFLAGS:   All cflags this module requires
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# Save this value here, since automake will set cflags later
cflags_set=${CFLAGS+set}

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dnl we to AC_DIVERT_PUSH/AC_DIVERT_POP these variable definitions so they
dnl are available for $ac_help expansion (don't we all *love* autoconf?)
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GLIB_AC_DIVERT_BEFORE_HELP([
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#
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# Making releases:
#   GTK_MICRO_VERSION += 1;
#   GTK_INTERFACE_AGE += 1;
#   GTK_BINARY_AGE += 1;
# if any functions have been added, set GTK_INTERFACE_AGE to 0.
# if backwards compatibility has been broken,
# set GTK_BINARY_AGE and GTK_INTERFACE_AGE to 0.
#
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GTK_MAJOR_VERSION=2
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GTK_MINOR_VERSION=1
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GTK_MICRO_VERSION=3
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GTK_INTERFACE_AGE=0
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GTK_BINARY_AGE=103
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GTK_VERSION=$GTK_MAJOR_VERSION.$GTK_MINOR_VERSION.$GTK_MICRO_VERSION
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dnl This is the X.Y used in -lgtk-FOO-X.Y
GTK_API_VERSION=2.0
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])dnl
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AC_SUBST(GTK_MAJOR_VERSION)
AC_SUBST(GTK_MINOR_VERSION)
AC_SUBST(GTK_MICRO_VERSION)
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AC_SUBST(GTK_INTERFACE_AGE)
AC_SUBST(GTK_BINARY_AGE)
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AC_SUBST(GTK_API_VERSION)
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AC_SUBST(GTK_VERSION)

# libtool versioning
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#LT_RELEASE=$GTK_MAJOR_VERSION.$GTK_MINOR_VERSION
#LT_CURRENT=`expr $GTK_MICRO_VERSION - $GTK_INTERFACE_AGE`
#LT_REVISION=$GTK_INTERFACE_AGE
#LT_AGE=`expr $GTK_BINARY_AGE - $GTK_INTERFACE_AGE`
#LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`

LT_RELEASE=$GTK_MAJOR_VERSION.0
LT_CURRENT=`expr 100 '*' $GTK_MINOR_VERSION + $GTK_MICRO_VERSION - $GTK_INTERFACE_AGE`
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LT_REVISION=$GTK_INTERFACE_AGE
LT_AGE=`expr $GTK_BINARY_AGE - $GTK_INTERFACE_AGE`
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LT_CURRENT_MINUS_AGE=`expr $LT_CURRENT - $LT_AGE`
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AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)
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AC_SUBST(LT_CURRENT_MINUS_AGE)
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# Define a string for the earliest version that this release has
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# forward/backwards binary compatibility with. This is used for module
# locations. (Should this be backwards-compat instead?)
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#
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#GTK_BINARY_VERSION=$GTK_MAJOR_VERSION.$GTK_MINOR_VERSION.$LT_CURRENT
GTK_BINARY_VERSION=$GTK_MAJOR_VERSION.0.$LT_CURRENT
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AC_SUBST(GTK_BINARY_VERSION)

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#
# gdk-pixbuf gets versioned separately, and for now, using standard
# libtool versioning, not GTK+-style versioning
#
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GDK_PIXBUF_MAJOR=$GTK_MAJOR_VERSION
GDK_PIXBUF_MINOR=$GTK_MINOR_VERSION
GDK_PIXBUF_MICRO=$GTK_MICRO_VERSION
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GDK_PIXBUF_VERSION="${GDK_PIXBUF_MAJOR}.${GDK_PIXBUF_MINOR}.${GDK_PIXBUF_MICRO}"
AC_SUBST(GDK_PIXBUF_MAJOR)
AC_SUBST(GDK_PIXBUF_MINOR)
AC_SUBST(GDK_PIXBUF_MICRO)
AC_SUBST(GDK_PIXBUF_VERSION)

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## Versions of dependencies
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GLIB_REQUIRED_VERSION=2.1.3
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PANGO_REQUIRED_VERSION=1.0.1
ATK_REQUIRED_VERSION=1.0.1
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# For automake.
VERSION=$GTK_VERSION
PACKAGE=gtk+

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GETTEXT_PACKAGE=gtk20
AC_SUBST(GETTEXT_PACKAGE)
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AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE")
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# Save this value here, since automake will set cflags later
cflags_set=${CFLAGS+set}

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dnl Initialize automake stuff
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AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
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# Specify a configuration file
AM_CONFIG_HEADER(config.h)

dnl Initialize libtool
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AC_PROG_CC
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AM_DISABLE_STATIC
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AC_LIBTOOL_WIN32_DLL
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AM_PROG_LIBTOOL

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dnl XXXX Hack: Set AS and ASFLAGS so that automake 1.5 will be happy
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AS="\${CC}"
ASFLAGS="\${CFLAGS}"
AC_SUBST(AS)
AC_SUBST(ASFLAGS)
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dnl XXXX Hack: Set CCAS and CCASFLAGS so that automake 1.6 will be happy
CCAS="\${CC}"
CCASFLAGS="\${CFLAGS}"
AC_SUBST(CCAS)
AC_SUBST(CCASFLAGS)
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dnl Initialize maintainer mode
AM_MAINTAINER_MODE

AC_CANONICAL_HOST

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

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MATH_LIB=-lm
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AC_MSG_CHECKING([for native Win32])
case "$host" in
  *-*-mingw*)
    os_win32=yes
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    MATH_LIB=
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    ;;
  *)
    os_win32=no
    ;;
esac
AC_MSG_RESULT([$os_win32])
AM_CONDITIONAL(OS_WIN32, test "$os_win32" = "yes")

if test "$os_win32" = "yes"; then
  AC_CHECK_PROG(ms_librarian, lib.exe, yes, no)
fi
AM_CONDITIONAL(MS_LIB_AVAILABLE, test x$ms_librarian = xyes)

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dnl figure debugging default, prior to $ac_help setup
dnl
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GLIB_AC_DIVERT_BEFORE_HELP([
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if test `expr $GTK_MINOR_VERSION \% 2` = 1 ; then
        debug_default=yes
else
        debug_default=minimum
fi
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])dnl
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dnl declare --enable-* args and collect ac_help strings
AC_ARG_ENABLE(debug, [  --enable-debug=[no/minimum/yes] turn on debugging [default=$debug_default]],,enable_debug=$debug_default)
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AC_ARG_ENABLE(shm, [  --enable-shm            support shared memory if available [default=yes]],
		   echo $enable_shm, enable_shm="yes")
AC_ARG_ENABLE(ansi, [  --enable-ansi           turn on strict ansi [default=no]],
		    , enable_ansi=no)
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AC_ARG_ENABLE(xim, [  --enable-xim            support XIM [default=yes]],
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			, enable_xim="yes")
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AC_ARG_ENABLE(xkb, [  --enable-xkb            support XKB [default=maybe]],
			, enable_xkb="maybe")
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AC_ARG_ENABLE(rebuilds, [  --disable-rebuilds      disable all source autogeneration rules],,enable_rebuilds=yes)
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AC_ARG_WITH(xinput, [  --with-xinput=[no/yes]  support XInput ])
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AC_ARG_WITH(wintab, [  --with-wintab=DIRECTORY use Wintab API with win32 backend])
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AC_ARG_WITH(ie55, [  --with-ie55=DIRECTORY IE5.5 libs and headers (for Active IMM)])
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GLIB_AC_DIVERT_BEFORE_HELP([
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if test "$platform_win32" = yes; then
  gdktarget=win32
else
  gdktarget=x11
fi
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])
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AC_ARG_WITH(gdktarget, [  --with-gdktarget=[[x11/linux-fb/win32]] select GDK target [default=$gdktarget]],
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	gdktarget=$with_gdktarget)

AC_SUBST(gdktarget)
case $gdktarget in
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  x11|linux-fb|win32) ;;
  *) AC_MSG_ERROR([Invalid target for GDK: use x11, linux-fb or win32.]);;
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esac

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gdktargetlib=libgdk-$gdktarget-$GTK_API_VERSION.la
gtktargetlib=libgtk-$gdktarget-$GTK_API_VERSION.la
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AC_SUBST(gdktargetlib)
AC_SUBST(gtktargetlib)

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AC_ARG_ENABLE(shadowfb, [  --disable-shadowfb      disable shadowfb support for linux-fb],,enable_shadowfb=yes)
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AC_ARG_ENABLE(fbmanager, [  --enable-fbmanager      enable framebuffer manager support (GtkFB)],enable_fbmanager=yes,enable_fbmanager=no)
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if test "x$enable_debug" = "xyes"; then
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  test "$cflags_set" = set || CFLAGS="$CFLAGS -g"
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  GTK_DEBUG_FLAGS="-DG_ENABLE_DEBUG"
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else
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  if test "x$enable_debug" = "xno"; then
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    GTK_DEBUG_FLAGS="-DG_DISABLE_ASSERT -DG_DISABLE_CHECKS -DG_DISABLE_CAST_CHECKS"
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  else
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    GTK_DEBUG_FLAGS="-DG_DISABLE_CAST_CHECKS"
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  fi
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fi

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AC_DEFINE_UNQUOTED(GTK_COMPILED_WITH_DEBUGGING, "${enable_debug}")

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# Build time sanity check...
AM_SANITY_CHECK

# Checks for programs.
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AC_ISC_POSIX
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AM_PROG_CC_STDC
AC_PROG_INSTALL
AC_PROG_MAKE_SET

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

    case " $CFLAGS " in
    *[\ \	]-pedantic[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -pedantic" ;;
    esac
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  fi
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fi
changequote([,])dnl
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# 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 $our_gcc -v --help 2>/dev/null | grep ms-bitfields >/dev/null; then
	  msnative_struct='-mms-bitfields'
	fi
	;;
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    esac
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    if test x"$msnative_struct" = x ; then
      AC_MSG_RESULT([no way])
      AC_MSG_WARN([produced libraries might be incompatible with MSVC-compiled code])
    else
      CFLAGS="$CFLAGS $msnative_struct"
      AC_MSG_RESULT([${msnative_struct}])
    fi
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  fi
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fi

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

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## Initial sanity check, done here so that users get told they 
## have the wrong dependencies as early in the process as possible.
## Later on we actually use the cflags/libs from separate pkg-config
## calls. Oh, also the later pkg-config calls don't include 
## the version requirements since those make the module lists 
## annoying to construct
PKG_CHECK_MODULES(BASE_DEPENDENCIES, glib-2.0 >= $GLIB_REQUIRED_VERSION atk >= $ATK_REQUIRED_VERSION pango >= $PANGO_REQUIRED_VERSION)

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if test "$os_win32" != yes; then
    # libtool option to control which symbols are exported
    # right now, symbols starting with _ are not exported
    LIBTOOL_EXPORT_OPTIONS='-export-symbols-regex "^[[^_]].*"'
else
    # We currently use .def files on Windows (for gdk-pixbuf, gdk and gtk)
    LIBTOOL_EXPORT_OPTIONS=
fi
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AC_SUBST(LIBTOOL_EXPORT_OPTIONS)

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dnl ******************************************************
dnl * See whether to include shared library dependencies *
dnl ******************************************************

AC_ARG_ENABLE(explicit-deps, 
              [  --enable-explicit-deps=[yes/no/auto]    use explicit dependencies in .pc files [default=auto]],
              enable_explicit_deps="$enableval", 
              enable_explicit_deps=auto)

AC_MSG_CHECKING([Whether to write dependencies into .pc files])
case $enable_explicit_deps in
  auto)
    deplib_check_method=`(./libtool --config; echo eval echo \\$deplib_check_method) | sh`
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    if test "X$deplib_check_method" = Xnone || test "x$enable_static" = xyes ; then
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      enable_explicit_deps=yes  
    else
      enable_explicit_deps=no  
    fi
  ;;
  yes|no) 
  ;;
  *) AC_MSG_ERROR([Value given to --enable-explicit-deps must be one of yes, no or auto])
  ;;
esac
AC_MSG_RESULT($enable_explicit_deps)

AM_CONDITIONAL(DISABLE_EXPLICIT_DEPS, test $enable_explicit_deps = no)

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# define a MAINT-like variable REBUILD which is set if Perl
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# and awk are found, so autogenerated sources can be rebuilt

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AC_PATH_PROGS(PERL, perl5 perl)
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# We would like indent, but don't require it.
AC_CHECK_PROG(INDENT, indent, indent)

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REBUILD=\#
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if test "x$enable_rebuilds" = "xyes" && \
     test -n "$PERL" && \
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     $PERL -e 'exit !($] >= 5.002)' > /dev/null 2>&1 ; then
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  REBUILD=
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fi
AC_SUBST(REBUILD)
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AC_CHECK_FUNCS(lstat mkstemp flockfile)
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# sigsetjmp is a macro on some platforms, so AC_CHECK_FUNCS is not reliable
AC_MSG_CHECKING(for sigsetjmp)
AC_TRY_LINK([#include <setjmp.h>], [
sigjmp_buf env;
sigsetjmp(env, 0);
], gtk_ok=yes, gtk_ok=no)
AC_MSG_RESULT($gtk_ok)
if test "$gtk_ok" = "yes"; then
  AC_DEFINE(HAVE_SIGSETJMP)
fi
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AC_MSG_CHECKING(whether make is GNU Make)
STRIP_BEGIN=
STRIP_END=
if $ac_make --version 2>/dev/null | grep '^GNU Make ' >/dev/null ; then
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	STRIP_BEGIN='$(strip $(STRIP_DUMMY)'
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	STRIP_END=')'
	AC_MSG_RESULT(yes)
else
	AC_MSG_RESULT(no)
fi
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STRIP_DUMMY=
AC_SUBST(STRIP_DUMMY)
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AC_SUBST(STRIP_BEGIN)
AC_SUBST(STRIP_END)

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# i18n stuff
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ALL_LINGUAS="az be bg ca cs cy da de el en_GB en@IPA es et eu fa fi fr ga gl he hi hr hu ia it ja ko lt ms nl nn no pl pt pt_BR ro ru sk sl sp sr sv tr uk vi wa zh_TW zh_CN"
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AM_GLIB_GNU_GETTEXT
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LIBS="$LIBS $INTLLIBS"

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# AM_GLIB_GNU_GETTEXT above substs $DATADIRNAME
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# this is the directory where the *.{mo,gmo} files are installed
gtklocaledir='${prefix}/${DATADIRNAME}/locale'
AC_SUBST(gtklocaledir)
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dnl The DU4 header files don't provide library prototypes unless 
dnl -std1 is given to the native cc.
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AC_MSG_CHECKING([for extra flags to get ANSI library prototypes])
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gtk_save_LIBS=$LIBS
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LIBS="$LIBS -lm"
AC_TRY_RUN([#include <math.h>
             int main (void) { return (log(1) != log(1.)); }],
     AC_MSG_RESULT(none needed),
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     gtk_save_CFLAGS="$CFLAGS"
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     CFLAGS="$CFLAGS -std1"
     AC_TRY_RUN([#include <math.h>
	         int main (void) { return (log(1) != log(1.)); }],
         AC_MSG_RESULT(-std1),
         AC_MSG_RESULT()
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         CFLAGS="$gtk_save_CFLAGS"
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         AC_MSG_WARN(
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                [No ANSI prototypes found in library. (-std1 didn't work.)]),
	 true
     ),
     AC_MSG_RESULT(none needed)
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)
LIBS=$gtk_save_LIBS

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AC_MSG_CHECKING(for the BeOS)
case $host in
  *-*-beos*)
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    AC_MSG_RESULT(yes)
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    MATH_LIB=
  ;;
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  *)
    AC_MSG_RESULT(no)
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  ;;
esac

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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),
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  gtk_save_CFLAGS="$CFLAGS"
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  CFLAGS="$CFLAGS -posix"
  AC_TRY_COMPILE([#include <dirent.h>], [DIR *dir;],
    AC_MSG_RESULT(-posix),
    AC_MSG_RESULT()
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    CFLAGS="$gtk_save_CFLAGS"
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    AC_MSG_WARN([Could not determine POSIX flag. (-posix didn't work.)])))

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#
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# Run AM_PATH_GLIB_2_0 to make sure that GLib is installed and working
# 
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GLIB_PACKAGES="gobject-2.0 gmodule-2.0"
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AM_PATH_GLIB_2_0($GLIB_REQUIRED_VERSION, :,
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  AC_MSG_ERROR([
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*** GLIB $GLIB_REQUIRED_VERSION or better is required. The latest version of 
*** GLIB is always available from ftp://ftp.gtk.org/.]),
  gobject gmodule gthread)
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dnl
dnl Check for bind_textdomain_codeset, including -lintl if GLib brings it in.
dnl
gtk_save_LIBS=$LIBS
LIBS="$LIBS $GLIB_LIBS"
AC_CHECK_FUNCS(bind_textdomain_codeset)
LIBS=$gtk_save_LIBS

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AC_CHECK_HEADERS(pwd.h, AC_DEFINE(HAVE_PWD_H))
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AC_CHECK_HEADERS(sys/time.h, AC_DEFINE(HAVE_SYS_TIME_H))
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AC_CHECK_HEADERS(unistd.h, AC_DEFINE(HAVE_UNISTD_H))
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if test "${with_ie55+set}" = set && test $with_ie55 != no; then
  AC_MSG_CHECKING([for dimm.h])
  saved_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -idirafter $with_ie55/Include"
  AC_TRY_COMPILE([#include <windows.h>
#include <objbase.h>
#ifdef __GNUC__
/* The w32api imm.h clashes a bit with the IE5.5 dimm.h */
#define IMEMENUITEMINFOA hidden_IMEMENUITEMINFOA
#define IMEMENUITEMINFOW hidden_IMEMENUITEMINFOW
#include <imm.h>
#undef IMEMENUITEMINFOA
#undef IMEMENUITEMINFOW
#endif
#include <dimm.h>
],
   [],
   [AC_MSG_RESULT(yes)
    AC_MSG_CHECKING([for IE55 uuid.lib])
    if test -f $with_ie55/Lib/uuid.lib ; then
      AC_MSG_RESULT(yes)
      have_ie55=yes
      AC_DEFINE(HAVE_DIMM_H)
      IE55_UUID_LIB="$with_ie55/Lib/uuid.lib"
      AC_SUBST(IE55_UUID_LIB)
    else
      AC_MSG_RESULT(no)
      CFLAGS="$saved_CFLAGS"
      have_ie55=no
    fi
    ],
   [AC_MSG_RESULT(no)
    CFLAGS="$saved_CFLAGS"
    have_ie55=no])
fi
AM_CONDITIONAL(HAVE_IE55, test x$have_ie55 = xyes)
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if test "${with_wintab+set}" = set && test $with_wintab != no; then
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  AC_MSG_CHECKING([for wintab.h])
  saved_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -I$with_wintab/include"
  AC_TRY_COMPILE([#include <windows.h>
#include <wintab.h>], 
   [],
   [AC_MSG_RESULT(yes)
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    AC_MSG_CHECKING([for wntab32x.lib])
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    if test -f $with_wintab/lib/i386/wntab32x.lib ; then
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      AC_MSG_RESULT(yes)
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      have_wintab=yes
      AC_DEFINE(HAVE_WINTAB)
      WINTAB_LIB="$with_wintab/lib/i386/wntab32x.lib"
      AC_SUBST(WINTAB_LIB)
    else
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      AC_MSG_RESULT(no)
      CFLAGS="$saved_cflags"
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      have_wintab=no
    fi
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    ],
   [AC_MSG_RESULT(no)
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    CFLAGS="$saved_cflags"
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    have_wintab=no])
fi
AM_CONDITIONAL(HAVE_WINTAB, test x$have_wintab = xyes)
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saved_cflags="$CFLAGS"
saved_ldflags="$LDFLAGS"

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# Checks for header files.
AC_HEADER_STDC
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# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
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# Checks for library functions.
AC_TYPE_SIGNAL
AC_FUNC_MMAP
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AC_CHECK_FUNCS(getresuid)
AC_TYPE_UID_T
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# Check if <sys/select.h> needs to be included for fd_set
AC_MSG_CHECKING([for fd_set])
AC_TRY_COMPILE([#include <sys/types.h>],
        [fd_set readMask, writeMask;], gtk_ok=yes, gtk_ok=no)
if test $gtk_ok = yes; then
    AC_MSG_RESULT([yes, found in sys/types.h])
else
    AC_HEADER_EGREP(fd_mask, sys/select.h, gtk_ok=yes)
    if test $gtk_ok = yes; then
        AC_DEFINE(HAVE_SYS_SELECT_H)
        AC_MSG_RESULT([yes, found in sys/select.h])
    else
	AC_DEFINE(NO_FD_SET)
	AC_MSG_RESULT(no)
    fi
fi
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# `widechar' tests for gdki18n.h
AC_MSG_CHECKING(for wchar.h)
AC_TRY_CPP([#include <wchar.h>], gdk_wchar_h=yes, gdk_wchar_h=no)
if test $gdk_wchar_h = yes; then
   AC_DEFINE(HAVE_WCHAR_H,1,[Have wchar.h include file])
fi
AC_MSG_RESULT($gdk_wchar_h)
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# Check for wctype.h (for iswalnum)
AC_MSG_CHECKING(for wctype.h)
AC_TRY_CPP([#include <wctype.h>], gdk_wctype_h=yes, gdk_wctype_h=no)
if test $gdk_wctype_h = yes; then
   AC_DEFINE(HAVE_WCTYPE_H,1,[Have wctype.h include file])
fi
AC_MSG_RESULT($gdk_wctype_h)
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# in Solaris 2.5, `iswalnum' is in -lw
GDK_WLIBS=
AC_CHECK_FUNC(iswalnum,,[AC_CHECK_LIB(w,iswalnum,GDK_WLIBS=-lw)])
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oLIBS="$LIBS"
LIBS="$LIBS $GDK_WLIBS"
# The following is necessary for Linux libc-5.4.38
AC_MSG_CHECKING(if iswalnum() and friends are properly defined)
AC_TRY_LINK([#include <stdlib.h>],[
#if (defined(HAVE_WCTYPE_H) || defined(HAVE_WCHAR_H))
#  ifdef HAVE_WCTYPE_H
#    include <wctype.h>
#  else
#    ifdef HAVE_WCHAR_H
#      include <wchar.h>
#    endif
#  endif
#else
#  define iswalnum(c) ((wchar_t)(c) <= 0xFF && isalnum(c))
#endif
iswalnum((wchar_t) 0);
], gdk_working_wctype=yes, gdk_working_wctype=no)
LIBS="$oLIBS"
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if test $gdk_working_wctype = no; then
   AC_DEFINE(HAVE_BROKEN_WCTYPE,1,[Is the wctype implementation broken])
   GDK_WLIBS=
fi
AC_MSG_RESULT($gdk_working_wctype)
AC_SUBST(GDK_WLIBS)
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##################################################
# Checks for gdk-pixbuf
##################################################
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dnl ********************************************************
dnl * See whether we need to load our modules as .la files *
dnl ********************************************************

use_la_modules=false
case $host in
  *-aix*) use_la_modules=true
esac

if $use_la_modules ; then
   AC_DEFINE(USE_LA_MODULES, 1, [Whether to load modules via .la files rather than directly])
fi


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AC_MSG_CHECKING(whether to build gmodulized gdk-pixbuf)
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AC_ARG_ENABLE(modules, [  --disable-modules       disable dynamic module loading],[
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	if test x$withval = xyes; then 
	    with_modules=yes
        else
            with_modules=no
	fi
])
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dynworks=false
deps=
if test x$with_modules = xno; then
    AC_MSG_RESULT(no)
else
    AC_MSG_RESULT(yes)
    AC_MSG_CHECKING(whether dynamic modules work)
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    ## for loop is to strip newline 
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    tmp=`$PKG_CONFIG --variable=gmodule_supported gmodule-2.0`
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    for I in $tmp; do
        dynworks=$I
    done
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    dnl Now we check to see if our libtool supports shared lib deps
    dnl (in a rather ugly way even)
    if $dynworks; then
        pixbuf_libtool_config="${CONFIG_SHELL-/bin/sh} ./libtool --config"
        pixbuf_deplibs_check=`$pixbuf_libtool_config | \
            grep '^[[a-z_]]*check[[a-z_]]*_method=[['\''"]]' | \
            sed 's/.*[['\''"]]\(.*\)[['\''"]]$/\1/'`
        if test "x$pixbuf_deplibs_check" = "xnone" || \
           test "x$pixbuf_deplibs_check" = "xunknown" || \
           test "x$pixbuf_deplibs_check" = "x"; then
            dynworks=false
        fi
    fi
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    if $dynworks; then
        AC_DEFINE(USE_GMODULE)
        AC_MSG_RESULT(yes)
    else
        AC_MSG_RESULT(no)
    fi
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fi
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dnl We allow people to disable image loaders explicitely, but if they don't we error
dnl out so that people don't accidentally build without them.

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AC_ARG_WITH(libpng,  [  --without-libpng	  disable PNG loader for gdk-pixbuf])
AC_ARG_WITH(libjpeg, [  --without-libjpeg	  disable JPEG loader for gdk-pixbuf])
AC_ARG_WITH(libtiff, [  --without-libtiff	  disable TIFF loader for gdk-pixbuf])
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dnl Test for libtiff
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  if test x$with_libtiff != xno && test -z "$LIBTIFF"; then
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    AC_CHECK_LIB(tiff, TIFFReadScanline,
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      [AC_CHECK_HEADER(tiffio.h,
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        TIFF='tiff'; LIBTIFF='-ltiff',
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        AC_MSG_WARN(*** TIFF loader will not be built (TIFF header files not found) ***))],
      [AC_CHECK_LIB(tiff, TIFFWriteScanline,
        [AC_CHECK_HEADER(tiffio.h,
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          TIFF='tiff'; LIBTIFF='-ltiff -ljpeg -lz',
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          AC_MSG_WARN(*** TIFF loader will not be built (TIFF header files not found) ***))],
        [AC_CHECK_LIB(tiff34, TIFFFlushData,
          [AC_CHECK_HEADER(tiffio.h,
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            TIFF='tiff'; LIBTIFF='-ltiff34 -ljpeg -lz',
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            AC_MSG_WARN(*** TIFF loader 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)
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  fi

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  if test x$with_libtiff != xno && test -z "$LIBTIFF"; then
     AC_MSG_ERROR([
*** Checks for TIFF loader failed. You can build without it by passing 
*** --without-libtiff to configure but some programs using GTK+ may
*** not work properly])
  fi

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dnl Test for libjpeg
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  if test x$with_libjpeg != xno && test -z "$LIBJPEG"; then
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    AC_CHECK_LIB(jpeg, jpeg_destroy_decompress,
      jpeg_ok=yes,
      jpeg_ok=no
      AC_MSG_WARN(*** JPEG loader will not be built (JPEG library not found) ***))
    if test "$jpeg_ok" = yes; then
      AC_MSG_CHECKING([for jpeglib.h])
      AC_TRY_CPP(
[#include <stdio.h>
#undef PACKAGE
#undef VERSION
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#include <jpeglib.h>],
        jpeg_ok=yes,
        jpeg_ok=no)
      AC_MSG_RESULT($jpeg_ok)
      if test "$jpeg_ok" = yes; then
        LIBJPEG='-ljpeg'
        AC_CHECK_LIB(jpeg, jpeg_simple_progression,     
          AC_DEFINE(HAVE_PROGRESSIVE_JPEG),
          AC_MSG_WARN(JPEG library does not support progressive saving.))
      else
          AC_MSG_WARN(*** JPEG loader will not be built (JPEG header file not found) ***)
      fi
    fi
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  fi

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  if test x$with_libjpeg != xno && test -z "$LIBJPEG"; then
     AC_MSG_ERROR([
*** Checks for JPEG loader failed. You can build without it by passing 
*** --without-libjpeg to configure but some programs using GTK+ may
*** not work properly])
  fi

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dnl Test for libpng
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  if test x$with_libpng != xno && test -z "$LIBPNG"; then
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    AC_MSG_CHECKING(for libpng12)
    if $PKG_CONFIG --exists libpng12 ; then
        AC_MSG_RESULT(yes)
        PNG='png'
	PNG_DEP_CFLAGS_PACKAGES=libpng12
	LIBPNG=`$PKG_CONFIG --libs libpng12`
    else
      AC_MSG_RESULT(no)
      AC_CHECK_LIB(png, png_read_info,
        [AC_CHECK_HEADER(png.h,
          png_ok=yes,
          png_ok=no)],
        AC_MSG_WARN(*** PNG loader will not be built (PNG library not found) ***), -lz -lm)
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      if test "$png_ok" = yes; then
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        AC_MSG_CHECKING([for png_structp in png.h])
        AC_TRY_COMPILE([#include <png.h>],
          [png_structp pp; png_infop info; png_colorp cmap; png_create_read_struct;],
          png_ok=yes,
          png_ok=no)
        AC_MSG_RESULT($png_ok)
        if test "$png_ok" = yes; then
          PNG='png'; LIBPNG='-lpng -lz'
        else
          AC_MSG_WARN(*** PNG loader will not be built (PNG library is too old) ***)
        fi
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      else
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       AC_MSG_WARN(*** PNG loader will not be built (PNG header file not found) ***)
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      fi
    fi
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  fi
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  if test x$with_libpng != xno && test -z "$LIBPNG"; then
     AC_MSG_ERROR([
*** Checks for PNG loader failed. You can build without it by passing 
*** --without-libpng to configure but many programs using GTK+ will
*** not work properly. The PNG loader is also needed if you are compiling
*** from CVS.])
  fi

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  REBUILD_PNGS=\#
  if test -z "$LIBPNG"; then
     REBUILD_PNGS=
  fi
  AC_SUBST(REBUILD_PNGS)

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AC_SUBST(LIBTIFF)
AC_SUBST(LIBJPEG)
AC_SUBST(LIBPNG)
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AM_CONDITIONAL(BUILD_DYNAMIC_MODULES, $dynworks)
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#
# Allow building some or all gdk-pixbuf loaders included
#
AC_MSG_CHECKING(pixbuf loaders to build)
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AC_ARG_WITH(included_loaders, [  --with-included-loaders=LOADER1,LOADER2,...  build the specified loaders into gdk-pixbuf (only used if module loading disabled)])
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if $dynworks; then 
        :
else
   ## if the option was specified, leave it; otherwise disable included loaders
   if test x$with_included_loaders = xno; then
           with_included_loaders=yes
   fi
fi

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all_loaders="png,bmp,wbmp,gif,ico,ani,jpeg,pnm,ras,tiff,xpm,tga"
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included_loaders=""
# If no loaders specified, include all
if test "x$with_included_loaders" = xyes ; then
  included_loaders="$all_loaders"
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else
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  included_loaders="$with_included_loaders"
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fi

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AC_MSG_RESULT($included_loaders)
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INCLUDED_LOADER_OBJ=
INCLUDED_LOADER_DEFINE=
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IFS="${IFS= 	}"; gtk_save_ifs="$IFS"; IFS=","
for loader in $included_loaders; do
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 if echo "$all_loaders" | egrep "(^|,)$loader(\$|,)" > /dev/null; then
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   :
 else
   AC_MSG_ERROR([the specified loader $loader does not exist])
 fi
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 INCLUDED_LOADER_OBJ="$INCLUDED_LOADER_OBJ libpixbufloader-static-$loader.la"
 INCLUDED_LOADER_DEFINE="$INCLUDED_LOADER_DEFINE -DINCLUDE_$loader"
done
IFS="$gtk_save_ifs"
AC_SUBST(INCLUDED_LOADER_OBJ)
AC_SUBST(INCLUDED_LOADER_DEFINE)
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AC_HEADER_SYS_WAIT
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AC_TYPE_SIGNAL

AM_CONDITIONAL(HAVE_TIFF, test "x$LIBTIFF" != x)
AM_CONDITIONAL(HAVE_PNG, test "x$LIBPNG" != x)
AM_CONDITIONAL(HAVE_JPEG, test "x$LIBJPEG" != x)

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if $dynworks ; then
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  STATIC_LIB_DEPS=
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  if echo "$included_loaders" | egrep '(^|,)tiff($|,)' > /dev/null; then
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    STATIC_LIB_DEPS="$STATIC_LIB_DEPS $LIBTIFF"
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  fi
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  if echo "$included_loaders" | egrep '(^|,)jpeg($|,)' > /dev/null; then
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    STATIC_LIB_DEPS="$STATIC_LIB_DEPS $LIBJPEG"
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  fi
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  if echo "$included_loaders" | egrep '(^|,)png($|,)' > /dev/null; then
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    STATIC_LIB_DEPS="$STATIC_LIB_DEPS $LIBPNG"
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  fi
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else
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  STATIC_LIB_DEPS="$LIBTIFF $LIBJPEG $LIBPNG"
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fi
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# Checks to see if we should compile in MMX support (there will be
# a runtime test when the code is actually run to see if it should
# be used - this just checks if we can compile it.)
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#
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# This code is partially taken from Mesa
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#
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AC_MSG_CHECKING(for x86 platform)
case $host_cpu in
  i386|i486|i586|i686|i786|k6|k7)
	use_x86_asm=yes
        ;;
   *)
  	use_x86_asm=no
esac
AC_MSG_RESULT($use_x86_asm)
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use_mmx_asm=no
if test $use_x86_asm = yes; then
    save_ac_ext=$ac_ext
    ac_ext=S
    
    AC_MSG_CHECKING(compiler support for MMX)
    cp $srcdir/gdk-pixbuf/pixops/scale_line_22_33_mmx.S conftest.S
    if AC_TRY_EVAL(ac_compile); then
        use_mmx_asm=yes
    fi

    rm -rf conftest*

    ac_ext=$save_ac_ext
    if test $use_mmx_asm = yes; then
      AC_DEFINE(USE_MMX)
      AC_MSG_RESULT(yes)
    else
      AC_MSG_RESULT(no)
    fi
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AM_CONDITIONAL(USE_MMX, test x$use_mmx_asm = xyes)
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dnl Look for a host system's gdk-pixbuf-csource if we are cross-compiling

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AM_CONDITIONAL(CROSS_COMPILING, test $cross_compiling = yes)
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if test $cross_compiling = yes; then
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  AC_PATH_PROG(GDK_PIXBUF_CSOURCE, gdk-pixbuf-csource, no)
  if test x$GDK_PIXBUF_CSOURCE = xno; then
    AC_MSG_ERROR(Could not find a gdk-pixbuf-csource in your PATH)
  fi
fi
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GDK_PIXBUF_PACKAGES="gmodule-2.0 gobject-2.0"
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GDK_PIXBUF_EXTRA_LIBS="$STATIC_LIB_DEPS $MATH_LIB"
GDK_PIXBUF_EXTRA_CFLAGS= 
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GDK_PIXBUF_DEP_LIBS="`$PKG_CONFIG --libs $GDK_PIXBUF_PACKAGES` $GDK_PIXBUF_EXTRA_LIBS"
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AC_SUBST(GDK_PIXBUF_PACKAGES)
AC_SUBST(GDK_PIXBUF_EXTRA_LIBS)
AC_SUBST(GDK_PIXBUF_EXTRA_CFLAGS)
AC_SUBST(GDK_PIXBUF_DEP_LIBS)
AC_SUBST(GDK_PIXBUF_DEP_CFLAGS)
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########################################
# Windowing system checks
########################################
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GDK_EXTRA_LIBS=$GDK_WLIBS
GDK_EXTRA_CFLAGS= 
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FREETYPE_LIBS=
FREETYPE_CFLAGS=
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  #
  # Checks for FreeType
  #
  have_freetype=false
  AC_PATH_PROG(FREETYPE_CONFIG, freetype-config, no)
  if test "x$FREETYPE_CONFIG" != "xno" ; then
    FREETYPE_CFLAGS=`$FREETYPE_CONFIG --cflags`
    FREETYPE_LIBS=`$FREETYPE_CONFIG --libs`

    AC_CHECK_LIB(freetype, FT_New_Face, have_freetype=true
	         ,:,$FREETYPE_LIBS)

    if $have_freetype ; then
      gtk_save_cppflags="$CPPFLAGS"
      CPPFLAGS="$CPPFLAGS $FREETYPE_CFLAGS"

      AC_MSG_CHECKING([For sufficiently new FreeType (at least 2.0.1)])
      AC_TRY_COMPILE([
#include <freetype/freetype.h>
#include FT_ERRORS_H
    ],
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	             [(void)1;],:,have_freetype=false)
      if $have_freetype ; then
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        AC_MSG_RESULT(yes)
      else
        AC_MSG_RESULT(no)
      fi

      CPPFLAGS="$gtk_save_cppflags"
    fi
  fi
  AC_SUBST(FREETYPE_LIBS)
  AC_SUBST(FREETYPE_CFLAGS)
fi

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  # We start off with the libraries from Pango
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  if $PKG_CONFIG --exists pangox ; then : ; else
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    AC_MSG_ERROR([pangox Pango backend is required for x11 target])
  fi
    
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  ## be sure we also have Pango built with xft support
  if $PKG_CONFIG --exists pangoxft ; then
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    PANGO_PACKAGES="pangoxft pangox"
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    have_xft=true
    AC_DEFINE(HAVE_XFT)
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    if $have_freetype ; then
      :
    else
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      AC_MSG_ERROR([pangoxft Pango backend found but did not find freetype libraries])
    fi
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  else
    PANGO_PACKAGES="pangox"
    have_xft=false
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  fi
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  AM_CONDITIONAL(HAVE_XFT, $have_xft)
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  if $PKG_CONFIG --exists xft ; then
    AC_DEFINE(HAVE_XFT2, 1, [Define if we have Xft, version 2])
  fi

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  #
  # If Pango included the shared library dependencies from X11 in
  # the pkg-config output, then we use that (to avoid duplicates).
  # but if they were omitted to avoid binary compatibility problems
  # then we need to repeat the checks.
  #
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  x_libs="`$PKG_CONFIG --libs $PANGO_PACKAGES`"
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  case "$x_libs" in
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    *-lX11*) pango_omitted_x_deps=no ;;
    *)       pango_omitted_x_deps=yes ;;
  esac

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  x_cflags="`$PKG_CONFIG --cflags $PANGO_PACKAGES`"
  x_extra_libs=
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  if test $pango_omitted_x_deps = yes ; then
    AC_PATH_XTRA

    if test x$no_x = xyes ; then
      AC_MSG_ERROR([X development libraries not found])
    fi

    x_libs="$X_LIBS -lX11 $X_EXTRA_LIBS"

    #
    # Checks for Xft/XRender
    #
    if test $have_xft = true ; then
      have_xft=false

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        x_libs="`pkg-config --libs xft` -lX11 $FREETYPE_LIBS $X_EXTRA_LIBS"
        have_xft=true
      else
        gtk_save_cppflags="$CPPFLAGS"
        CPPFLAGS="$CPPFLAGS $x_cflags"
      
        AC_CHECK_LIB(Xrender, XRenderFindFormat, 
	  [AC_CHECK_LIB(Xft, XftFontOpen,
	    [AC_CHECK_HEADER(X11/Xft/XftFreetype.h,
	      have_xft=true,:)],
	    :,-lXrender -lXext $x_libs $FREETYPE_LIBS)]
	  ,:,-lXext $x_libs)
	  
        if $have_xft ; then
	  x_libs="$X_LIBS -lXft -lXrender -lXext -lX11 $FREETYPE_LIBS $X_EXTRA_LIBS"
        fi
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        CPPFLAGS="$gtk_save_cppflags"
      fi
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      if $have_xft ; then
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        :
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      else
        AC_MSG_ERROR([pangoxft Pango backend found, but Xft not found])
      fi
    fi
  fi    	

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  ## Strip the .la files
 
  x_libs_for_checks=""
  for I in $x_libs ; do
    case $I in 
      *.la) ;;
      *) x_libs_for_checks="$x_libs_for_checks $I" ;;
    esac
  done

  # Sanity check for the X11 library
  AC_CHECK_LIB(X11, XOpenDisplay, :,
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            AC_MSG_ERROR([*** libX11 not found. Check 'config.log' for more details.]),
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            $x_libs_for_checks)
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  if test "x$enable_shm" = "xyes"; then
    # Check for the Xext library (needed for XShm extention)
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    AC_CHECK_LIB(Xext, XShmAttach,
        if test -z "`echo $x_libs | grep "\-lXext" 2> /dev/null`"; then
          x_extra_libs="-lXext"
        fi,
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        # On AIX, it is in XextSam instead, but we still need -lXext
        AC_CHECK_LIB(XextSam, XShmAttach, 
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            if test -z "`echo $x_libs | grep "\-lXext" 2> /dev/null`"; then
               x_extra_libs="-lXextSam -lXext"
            else
               x_extra_libs="-lXextSam"
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            fi, , $x_libs_for_checks),
        $x_libs_for_checks)
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  fi
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  GDK_PIXBUF_XLIB_EXTRA_CFLAGS="$x_cflags"
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  # Don't ever pull in the pangoxft libraries for gdk-pixbuf-x11
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  GDK_PIXBUF_XLIB_EXTRA_LIBS="$x_extra_libs $x_libs"
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  # Check for Xinerama extension (Solaris impl or Xfree impl)

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  gtk_save_cppflags="$CPPFLAGS"
  CPPFLAGS="$CPPFLAGS $x_cflags"

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  case "$host" in
      *-*-solaris*)
          # Check for solaris
	  use_solaris_xinerama=yes
	  AC_CHECK_LIB(Xext, XineramaGetInfo,
			use_solaris_xinerama=yes, use_solaris_xinerama=no)
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	  if test "x$use_solaris_xinerama" = "xyes"; then
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	      AC_CHECK_HEADER(X11/extensions/xinerama.h,
		if test -z "`echo $x_extra_libs $x_libs | grep "\-lXext" 2> /dev/null`"; then
		    x_extra_libs="-lXext $x_extra_libs"
		fi
		AC_DEFINE(HAVE_SOLARIS_XINERAMA)
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		AC_DEFINE(HAVE_XINERAMA), use_solaris_xinerama=no, -lXext $x_libs_for_checks)
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	  fi	
	  AC_MSG_CHECKING(for Xinerama support on Solaris)
	  AC_MSG_RESULT($use_solaris_xinerama);
	  ;;
      *)
	  # Check for XFree
	  use_xfree_xinerama=yes
	  AC_CHECK_LIB(Xinerama, XineramaQueryExtension,
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	      [AC_CHECK_HEADER(X11/extensions/Xinerama.h, 
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		  x_extra_libs="-lXinerama $x_extra_libs"   
		  if test -z "`echo $x_extra_libs $x_libs | grep "\-lXext" 2> /dev/null`"; then
		      x_extra_libs="-lXext $x_extra_libs"
		  fi
		  AC_DEFINE(HAVE_XFREE_XINERAMA)
		  AC_DEFINE(HAVE_XINERAMA), 
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		  use_xfree_xinerama=no,
                  [#include <X11/Xlib.h>])],
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	      use_xfree_xinerama=no, -lXext $x_libs_for_checks)
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	  AC_MSG_CHECKING(for Xinerama support on XFree86)
	  AC_MSG_RESULT($use_xfree_xinerama);	    
          ;;
  esac

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  CPPFLAGS="$gtk_save_cppflags"

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  # Check for shaped window extension
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  AC_CHECK_LIB(Xext, XShapeCombineMask,
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      if test -z "`echo $x_extra_libs $x_libs | grep "\-lXext" 2> /dev/null`"; then
           x_extra_libs="-lXext $x_extra_libs"
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      fi
      AC_DEFINE(HAVE_SHAPE_EXT),
      ,
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      $x_libs_for_checks)
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  # Check for XConvertCase (X11R6 specific)

  AC_CHECK_LIB(X11, XConvertCase,
      AC_DEFINE(HAVE_XCONVERTCASE),
      ,
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      $x_libs_for_checks)
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  # Check for XIM support.
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  if test "x$enable_xim" = "xyes"; then
    GTK_XIM_FLAGS="-DUSE_XIM"
  fi

  # Check for XKB support.

  if test "x$enable_xkb" = "xyes"; then
        AC_MSG_WARN(XKB support explicitly enabled)
        AC_DEFINE(HAVE_XKB)
  elif test "x$enable_xkb" = "xmaybe"; then
        AC_CHECK_LIB(X11, XkbQueryExtension,
                     AC_DEFINE(HAVE_XKB),
	             ,
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	             $x_libs_for_checks)
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  else
        AC_MSG_WARN(XKB support explicitly disabled)
  fi

  x_cflags="$X_CFLAGS"
  x_ldflags="$X_LDFLAGS"

  # set up things for XInput

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  if test "x$with_xinput" = "xxfree" || test "x$with_xinput" = "xyes"; then
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    AC_DEFINE(XINPUT_XFREE)
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    x_extra_libs="-lXi $x_extra_libs"
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  else
    AC_DEFINE(XINPUT_NONE)
  fi

  AM_CONDITIONAL(XINPUT_XFREE, test x$with_xinput = xxfree)

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  # Check for the RANDR extension

  AC_CHECK_LIB(Xrandr, XRRUpdateConfiguration,
      [AC_CHECK_HEADER(X11/extensions/Xrandr.h,
          # RANDR requires RENDER
	  if test -z "`echo $x_extra_libs $x_libs | grep "\-lXrender" 2> /dev/null`"; then
	      x_extra_libs="-lXrender $x_extra_libs"
	  fi
	  x_extra_libs="-lXrandr $x_extra_libs"
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	  AC_DEFINE(HAVE_RANDR, 1, Have the Xrandr extension library),
	  :, [#include <X11/Xlib.h>])], : ,
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       $X_LIBS -lXrandr -lXrender -lX11 $X_EXTRA_LIBS)

  # Xshm checks

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  if test "x$enable_shm" = "xyes"; then
    # Check for shared memory
    AC_CHECK_HEADER(sys/ipc.h, AC_DEFINE(HAVE_IPC_H), no_sys_ipc=yes)
    AC_CHECK_HEADER(sys/shm.h, AC_DEFINE(HAVE_SHM_H), no_sys_shm=yes)

    # Check for the X shared memory extension header file
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    have_xshm=no 
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    AC_MSG_CHECKING(X11/extensions/XShm.h)
    if test "x$no_xext_lib" = "xyes"; then
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      :
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    else
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      gtk_save_CFLAGS="$CFLAGS"
      CFLAGS="$CFLAGS $x_cflags"
      AC_TRY_COMPILE([
#include <stdlib.h>
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
], [XShmSegmentInfo *x_shm_info;], have_xshm=yes)
      CFLAGS="$gtk_save_CFLAGS"
    fi
    AC_MSG_RESULT($have_xshm)
    if test $have_xshm = yes ; then
      AC_DEFINE(HAVE_XSHM_H)
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    fi
  fi
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  GDK_EXTRA_CFLAGS=
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  if test $pango_omitted_x_deps = yes ; then
    GDK_EXTRA_LIBS="$x_extra_libs $x_libs $GDK_EXTRA_LIBS"
  else
    GDK_EXTRA_LIBS="$x_extra_libs $GDK_EXTRA_LIBS"
  fi
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  AM_CONDITIONAL(USE_X11, true)
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else
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  AM_CONDITIONAL(HAVE_XFT, false)
  AM_CONDITIONAL(XINPUT_XFREE, false)
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  AM_CONDITIONAL(USE_X11, false)
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fi

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if test "x$gdktarget" = "xwin32"; then
  # We start off with the libraries from Pango

  ## be sure we also have Pango built with win32 support
  PANGO_PACKAGES="pangowin32"

  if test x$have_wintab = xyes; then
    GDK_WIN32_EXTRA_CFLAGS="-I $with_wintab/include"
    AC_SUBST(GDK_WIN32_EXTRA_CFLAGS)
  fi

  GDK_EXTRA_LIBS="$GDK_EXTRA_LIBS -lgdi32 -user32 -limm32 -lshell32 -lole32 -luuid"
  AM_CONDITIONAL(USE_WIN32, true)
else
  AM_CONDITIONAL(USE_WIN32, false)
fi

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AC_SUBST(xinput_progs)
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GDK_PIXBUF_XLIB_PACKAGES=
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GDK_PIXBUF_XLIB_DEP_LIBS="`$PKG_CONFIG --libs $GDK_PIXBUF_PACKAGES $GDK_PIXBUF_XLIB_PACKAGES` $GDK_PIXBUF_XLIB_EXTRA_LIBS $GDK_PIXBUF_EXTRA_LIBS"
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GDK_PIXBUF_XLIB_DEP_CFLAGS="`$PKG_CONFIG --cflags  gthread-2.0 $GDK_PIXBUF_PACKAGES $GDK_PIXBUF_XLIB_PACKAGES` $GDK_PIXBUF_EXTRA_CFLAGS $GDK_PIXBUF_XLIB_EXTRA_CFLAGS"
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AC_SUBST(GDK_PIXBUF_XLIB_PACKAGES)
AC_SUBST(GDK_PIXBUF_XLIB_EXTRA_LIBS)
AC_SUBST(GDK_PIXBUF_XLIB_EXTRA_CFLAGS)
AC_SUBST(GDK_PIXBUF_XLIB_DEP_LIBS)
AC_SUBST(GDK_PIXBUF_XLIB_DEP_CFLAGS)

if test "x$gdktarget" = "xlinux-fb"; then
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  if $have_freetype ; then
    :
  else
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    AC_MSG_ERROR([Using linux-fb backend but freetype was not found])
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  fi

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  ft2_libs="`$PKG_CONFIG --libs pangoft2`"
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  case "$ft2_libs" in
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    *-lfreetype*) pango_omitted_ft2_deps=no ;;
    *)            pango_omitted_ft2_deps=yes ;;
  esac

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  CFLAGS="$CFLAGS $FREETYPE_CFLAGS"
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  if test x$enable_shadowfb = xyes ; then
    AC_DEFINE(ENABLE_SHADOW_FB)
  fi
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  if test x$enable_fbmanager = xyes ; then
    AC_DEFINE(ENABLE_FB_MANAGER)
    AM_CONDITIONAL(ENABLE_FB_MANAGER, true)
  else
    AM_CONDITIONAL(ENABLE_FB_MANAGER, false)
  fi
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  GDK_EXTRA_CFLAGS=""
  if test $pango_omitted_ft2_deps = yes ; then
    GDK_EXTRA_LIBS="$FREETYPE_LIBS $GDK_EXTRA_LIBS"
  fi
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  AM_CONDITIONAL(USE_LINUX_FB, true)
else
  AM_CONDITIONAL(USE_LINUX_FB, false)
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  AM_CONDITIONAL(ENABLE_FB_MANAGER, false)
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fi
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#
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# Pick correct Pango packages to use
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#

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if test "x$gdktarget" = "xx11"; then
	if $have_xft = true ; then
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            PANGO_PACKAGES="pangoxft pangox"
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        else
            PANGO_PACKAGES=pangox
        fi
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elif test "x$gdktarget" = "xwin32"; then
        PANGO_PACKAGES=pangowin32
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elif test "x$gdktarget" = "xlinux-fb"; then
        PANGO_PACKAGES=pangoft2
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else
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        PANGO_PACKAGES=pango
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fi

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# Check for Pango flags
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AC_MSG_CHECKING(Pango flags)
if $PKG_CONFIG --exists $PANGO_PACKAGES ; then
        PANGO_CFLAGS=`$PKG_CONFIG --cflags $PANGO_PACKAGES`
        PANGO_LIBS=`$PKG_CONFIG --libs $PANGO_PACKAGES`
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        AC_MSG_RESULT($PANGO_CFLAGS $PANGO_LIBS)
else
        AC_MSG_ERROR([
*** Pango not found. Pango is required to build GTK+.
*** See http://www.pango.org for Pango information.
*** For the framebuffer target, you will need to build 
*** Pango with freetype support.
])
fi
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CFLAGS="$CFLAGS $PANGO_CFLAGS"
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if $PKG_CONFIG --uninstalled $PANGO_PACKAGES; then
        :
else
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        AC_CHECK_LIB(pango-1.0, pango_context_new, :, AC_MSG_ERROR([
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*** Can't link to Pango. Pango is required to build
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*** GTK+. For more information see http://www.pango.org]), $PANGO_LIBS)
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fi
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CFLAGS="$saved_cflags"
LDFLAGS="$saved_ldflags"
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