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itgmania212121/autoconf/m4/x11.m4
T

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AC_DEFUN([SM_X11],
[
AC_PATH_X
XCFLAGS=
XLIBS=
if test "$no_x" != "yes"; then
if test -n "$x_includes"; then
XCFLAGS="-I$x_includes"
fi
if test -n "$x_libraries"; then
XLIBS="-L$x_libraries"
fi
XLIBS+="-lX11"
if test -n "$x_includes"; then
# See if we can compile X applications without using $XCFLAGS.
AC_MSG_CHECKING(if $XCFLAGS is really necessary)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <X11/Xos.h>]], [[]])],[XCFLAGS=
AC_MSG_RESULT(no)],[AC_MSG_RESULT(yes)])
fi
# Check for libXtst.
AC_CHECK_LIB(Xtst, XTestQueryExtension,
XLIBS="$XLIBS -lXtst"
[AC_DEFINE(HAVE_LIBXTST, 1, [libXtst available])],
,
[$XLIBS])
AC_DEFINE(HAVE_X11, 1, [X11 libraries present])
fi
# Check for Xrandr
# Can someone fix this for me? This is producing bizarre warnings from
# configure... I have no clue what I'm doing -Ben
AC_CHECK_LIB(Xrandr, XRRSizes,
have_xrandr=yes,
have_xrandr=no,
[$XLIBS])
AC_CHECK_HEADER(X11/extensions/Xrandr.h, have_xrandr_header=yes, have_xrandr_header=no, [#include <X11/Xlib.h>])
if test "$have_xrandr_header" = "no"; then
have_xrandr=no
fi
if test "$have_xrandr" = "no"; then
if test "$unix" = "yes"; then
AC_MSG_ERROR("Couldn't find X11 libraries.")
else
no_x=yes
fi
else
XLIBS="$XLIBS -lXrandr"
fi
AM_CONDITIONAL(HAVE_X11, test "$no_x" != "yes")
AC_SUBST(XCFLAGS)
AC_SUBST(XLIBS)
])