diff --git a/configure.ac b/configure.ac index 5c90c5400..65fdd2415 100644 --- a/configure.ac +++ b/configure.ac @@ -563,11 +563,13 @@ if test "x$HAVE_VIDMODE" != xno; then CPPFLAGS="$X_CFLAGS $CPPFLAGS" AC_CHECK_HEADER(X11/extensions/xf86vmode.h, dnl Make sure the library works - AC_CHECK_LIB(Xxf86vm, XF86VidModeSwitchToMode, + [AC_CHECK_LIB(Xxf86vm, XF86VidModeSwitchToMode, AC_DEFINE(HAVE_VIDMODE, 1, [Define if you have the XFree86 VIDMODE extension]) VIDMODE_LIBS="-lXxf86vm",, [$X_LIBS -lXext -lX11 $X_EXTRA_LIBS] - ) + )], + [], + [#include <X11/Xlib.h>] ) CPPFLAGS="$save_CPPFLAGS" fi @@ -582,11 +584,13 @@ if test "x$HAVE_DGA" != xno; then CPPFLAGS="$X_CFLAGS $CPPFLAGS" AC_CHECK_HEADER(X11/extensions/xf86dga.h, dnl Make sure the library works - AC_CHECK_LIB(Xxf86dga, XF86DGAQueryVersion, + [AC_CHECK_LIB(Xxf86dga, XF86DGAQueryVersion, AC_DEFINE(HAVE_DGA, 1, [Define if you have the XFree86 DGA extension]) DGA_LIBS="-lXxf86dga",, [$X_LIBS -lXext -lX11 $X_EXTRA_LIBS] - ) + )], + [], + [#include <X11/Xlib.h>] ) CPPFLAGS="$save_CPPFLAGS" fi