BUILD: Make sure to clear DISPLAY when running xpce steps

While the build works without a DISPLAY variable, an invalid variable causes the build to fail.
SWI-Prolog · Oct 23, 2024 · bc14fa1 · bc14fa1
1 parent e0dcf53
commit bc14fa1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/cmake/QLF.cmake b/cmake/QLF.cmake
@@ -58,7 +58,8 @@ function(add_swipl_target name)
   add_custom_command(
       OUTPUT ${my_OUTPUT}
       BYPRODUCTS ${my_BYPRODUCTS}
-      COMMAND ${PROG_SWIPL} ${options} ${my_OPTIONS}
+      COMMAND ${CMAKE_COMMAND} -E env --unset=DISPLAY
+	      ${PROG_SWIPL} ${options} ${my_OPTIONS}
       COMMENT "${my_COMMENT}"
       DEPENDS core prolog_home
               ${SWIPL_COMMAND_DEPENDS} "${my_DEPENDS}"