message: exception_hook build fix (TRIVIAL)
diff: @@ -471,7 +471,7 @@ $$(eval bindir := $(if $(5),$(5),$(BIN)))
  LINK_$(1)_COMMAND:=$$(CXX) $$(CXXFLAGS) $$(CXXEXEFLAGS) $$(CXXNODEBUGFLAGS) -o $$(bindir)/$(1) -lexception_hook -L$(LIB) -ldl $$($(1)_OBJFILES) $$(foreach lib,$(2), $$(LIB_$$(lib)_LINKER_OPTIONS) -l$$(lib)) -Wl,--rpath,$(LIB) $$(CXXEXEPOSTFLAGS)
  -$$(bindir)/$(1): $$(bindir)/.dir_exists $$($(1)_OBJFILES) $$(foreach lib,$(2),$$(LIB_$$(lib)_DEPS)) $$(if $$(HAS_EXCEPTION_HOOK),$$(LIB)/libexception_hook.so)
  +$$(bindir)/$(1): $$(bindir)/.dir_exists $$($(1)_OBJFILES) $$(foreach lib,$(2),$$(LIB_$$(lib)_DEPS)) $$(LIB)/libexception_hook.so
  $$(if $(verbose_build),@echo $$(LINK_$(1)_COMMAND),@echo " $(COLOR_BLUE)[BIN]$(COLOR_RESET) $(1)")
  @/usr/bin/time -v -o $$@.timing $$(LINK_$(1)_COMMAND)
  $$(if $(verbose_build),,@echo " $(COLOR_YELLOW) $(COLOR_RESET) $(COLOR_DARK_GRAY)`awk -f mldb/jml-build/print-timing.awk $$@.timing`$(COLOR_RESET) $(1)")
  @@ -528,7 +528,7 @@ $(1)_OBJFILES:=$$(BUILD_$(CWD)/$$(_testsrc).lo_OBJ)
  LINK_$(1)_COMMAND:=$$(CXX) $$(CXXFLAGS) $$(CXXEXEFLAGS) $$(CXXNODEBUGFLAGS) -o $(TESTS)/$(1) -lexception_hook -ldl $$($(1)_OBJFILES) $$(foreach lib,$(2), $$(LIB_$$(lib)_LINKER_OPTIONS) -l$$(lib)) $(if $(findstring boost,$(3)), -lboost_unit_test_framework) $$(CXXEXEPOSTFLAGS)
  -$(TESTS)/$(1): $(TESTS)/.dir_exists $(TEST_TMP)/.dir_exists $$($(1)_OBJFILES) $$(foreach lib,$(2),$$(LIB_$$(lib)_DEPS)) $$(if $$(HAS_EXCEPTION_HOOK),$$(LIB)/libexception_hook.so)
  +$(TESTS)/$(1): $(TESTS)/.dir_exists $(TEST_TMP)/.dir_exists $$($(1)_OBJFILES) $$(foreach lib,$(2),$$(LIB_$$(lib)_DEPS)) $$(LIB)/libexception_hook.so
  $$(if $(verbose_build),@echo $$(LINK_$(1)_COMMAND),@echo " $(COLOR_BLUE)[TESTBIN]$(COLOR_RESET) $(1)")
  @$$(LINK_$(1)_COMMAND)
  