diff --git a/libdrm.spec b/libdrm.spec
index 38cdb90..ef4771f 100644
--- a/libdrm.spec
+++ b/libdrm.spec
@@ -1,4 +1,11 @@
 %define bcond_meson() %{lua: do
+  local option = rpm.expand("%{1}")
+  local with = rpm.expand("%{?with_" .. option .. "}")
+  local value = (with ~= '') and "enabled" or "disabled"
+  option = option:gsub('_', '-')
+  print(string.format("-D%s=%s", option, value))
+end}
+%define bcond_meson_tf() %{lua: do
   local option = rpm.expand("%{1}")
   local with = rpm.expand("%{?with_" .. option .. "}")
   local value = (with ~= '') and "true" or "false"
@@ -121,9 +128,9 @@ Utility programs for the kernel DRM interface.  Will void your warranty.
   %{bcond_meson cairo_tests}           \
   %{bcond_meson man_pages}             \
   %{bcond_meson valgrind}              \
-  %{bcond_meson freedreno_kgsl}        \
-  %{bcond_meson install_test_programs} \
-  %{bcond_meson udev}                  \
+  %{bcond_meson_tf freedreno_kgsl}        \
+  %{bcond_meson_tf install_test_programs} \
+  %{bcond_meson_tf udev}                  \
   %{nil}
 %meson_build