configure.ac: Use correct options names in AC_ARG_ENABLE.
diff --git a/configure.ac b/configure.ac
index c1f3d50..21a1986 100644
--- a/configure.ac
+++ b/configure.ac
@@ -618,19 +618,19 @@
@<:@default=no@:>@])],
[],
[enable_opencl=no])
-AC_ARG_ENABLE([xlib_glx],
+AC_ARG_ENABLE([xlib-glx],
[AS_HELP_STRING([--enable-xlib-glx],
[make GLX library Xlib-based instead of DRI-based @<:@default=disabled@:>@])],
[enable_xlib_glx="$enableval"],
[enable_xlib_glx=no])
-AC_ARG_ENABLE([gallium_egl],
+AC_ARG_ENABLE([gallium-egl],
[AS_HELP_STRING([--enable-gallium-egl],
[enable optional EGL state tracker (not required
for EGL support in Gallium with OpenGL and OpenGL ES)
@<:@default=disable@:>@])],
[enable_gallium_egl="$enableval"],
[enable_gallium_egl=no])
-AC_ARG_ENABLE([gallium_gbm],
+AC_ARG_ENABLE([gallium-gbm],
[AS_HELP_STRING([--enable-gallium-gbm],
[enable optional gbm state tracker (not required for
gbm support in Gallium)
@@ -644,7 +644,7 @@
[enable_r600_llvm="$enableval"],
[enable_r600_llvm=no])
-AC_ARG_ENABLE([gallium_tests],
+AC_ARG_ENABLE([gallium-tests],
[AS_HELP_STRING([--enable-gallium-tests],
[Enable optional Gallium tests) @<:@default=disable@:>@])],
[enable_gallium_tests="$enableval"],