File fix_libs.patch of Package eureka

--- Makefile	2020-02-05 07:40:29.000000000 +0000
+++ Makefile	2024-06-03 10:35:15.346047248 +0100
@@ -30,6 +30,7 @@ LIBS ?=
 CXXFLAGS += $(CXX_DIALECT)
 LIBS += -lGLU -lGL
 LIBS += -lz -lm
+LIBS += -lX11
 
 # add this for software rendering, remove '--use-gl' below, remove -lGL and -lGLU from LIBS
 # CXXFLAGS += -DNO_OPENGL