-libGL_la_SOURCES = $(GL_FILES)
-libMangledGL_la_SOURCES = $(GL_FILES)
-libGL_la_LIBADD = $(GL_LIBS)
-libMangledGL_la_LIBADD = $(GL_LIBS)
-libGL_la_LDFLAGS = $(GL_LDFLAGS)
-libMangledGL_la_LDFLAGS = $(GL_LDFLAGS)
+lib@GL_LIB@_la_SOURCES =
+lib@GL_LIB@_la_LIBADD = $(GL_LIBS)
+lib@GL_LIB@_la_LDFLAGS = $(GL_LDFLAGS)