diff --git a/Makefile b/Makefile
index c8b25d935bf..74e4a944bc3 100644
--- a/Makefile
+++ b/Makefile
@@ -62,6 +62,9 @@ NONGEN_CXX_SRCS := $(shell find \
 	examples \
 	tools \
 	-name "*.cpp" -or -name "*.hpp" -or -name "*.cu" -or -name "*.cuh")
+LINT_OUTPUT_DIR := $(BUILD_DIR)/lint
+LINT_EXT := lint.txt
+LINT_OUTPUTS := $(addsuffix .$(LINT_EXT), $(addprefix $(LINT_OUTPUT_DIR)/, ${NONGEN_CXX_SRCS}))
 LINT_REPORT := $(BUILD_DIR)/cpp_lint.log
 FAILED_LINT_REPORT := $(BUILD_DIR)/cpp_lint.error_log
 # PY$(PROJECT)_SRC is the python wrapper for $(PROJECT)
@@ -123,6 +126,22 @@ TEST_CXX_BINS := $(addsuffix .testbin,$(addprefix $(TEST_BIN_DIR)/, \
 TEST_BINS := $(TEST_CXX_BINS) $(TEST_CU_BINS)
 TEST_ALL_BIN := $(TEST_BIN_DIR)/test_all.testbin
 
+##############################
+# Derive compiler warning dump locations
+##############################
+WARNS_EXT := warnings.txt
+CXX_WARNS := $(addprefix $(BUILD_DIR)/, ${CXX_SRCS:.cpp=.o.${WARNS_EXT}})
+CU_WARNS := $(addprefix $(BUILD_DIR)/, ${CU_SRCS:.cu=.cuo.${WARNS_EXT}})
+TOOL_WARNS := $(addprefix $(BUILD_DIR)/, ${TOOL_SRCS:.cpp=.o.${WARNS_EXT}})
+EXAMPLE_WARNS := $(addprefix $(BUILD_DIR)/, ${EXAMPLE_SRCS:.cpp=.o.${WARNS_EXT}})
+TEST_WARNS := $(addprefix $(BUILD_DIR)/, ${TEST_SRCS:.cpp=.o.${WARNS_EXT}})
+TEST_CU_WARNS := $(addprefix $(BUILD_DIR)/, ${TEST_CU_SRCS:.cu=.cuo.${WARNS_EXT}})
+ALL_CXX_WARNS := $(CXX_WARNS) $(TOOL_WARNS) $(EXAMPLE_WARNS) $(TEST_WARNS)
+ALL_CU_WARNS := $(CU_WARNS) $(TEST_CU_WARNS)
+ALL_WARNS := $(ALL_CXX_WARNS) $(ALL_CU_WARNS)
+
+ALL_WARNS_FILENAME := $(BUILD_DIR)/$(WARNS_EXT)
+
 ##############################
 # Derive include and lib directories
 ##############################
@@ -157,6 +176,7 @@ ALL_BUILD_DIRS := $(sort \
 		$(LAYER_BUILD_DIR) $(UTIL_BUILD_DIR) $(TOOL_BUILD_DIR) \
 		$(TEST_BUILD_DIR) $(TEST_BIN_DIR) $(GTEST_BUILD_DIR) \
 		$(EXAMPLE_BUILD_DIRS) \
+		$(LINT_OUTPUT_DIR) \
 		$(PROTO_BUILD_DIR) $(PROTO_BUILD_INCLUDE_DIR) $(PY_PROTO_BUILD_DIR) \
 		$(DISTRIBUTE_SUBDIRS))
 
@@ -262,7 +282,7 @@ SUPERCLEAN_EXTS := .so .a .o .bin .testbin .pb.cc .pb.h _pb2.py .cuo
 ##############################
 .PHONY: all test clean linecount lint tools examples $(DIST_ALIASES) \
 	py mat py$(PROJECT) mat$(PROJECT) proto runtest \
-	superclean supercleanlist supercleanfiles
+	superclean supercleanlist supercleanfiles warn
 
 all: $(NAME) $(STATIC_NAME) tools examples
 
@@ -271,13 +291,22 @@ linecount:
 
 lint: $(LINT_REPORT)
 
-$(LINT_REPORT): $(NONGEN_CXX_SRCS) | $(BUILD_DIR)
-	@ (python ./scripts/cpp_lint.py $(NONGEN_CXX_SRCS) > $(LINT_REPORT) 2>&1 \
-		&& ($(RM) $(FAILED_LINT_REPORT); echo "No lint errors!")) || ( \
-			mv $(LINT_REPORT) $(FAILED_LINT_REPORT); \
-			grep -v "^Done processing " $(FAILED_LINT_REPORT); \
-			echo "Found 1 or more lint errors; see log at $(FAILED_LINT_REPORT)"; \
-			exit 1)
+$(LINT_REPORT): $(LINT_OUTPUTS)
+	@ cat $(LINT_OUTPUTS) > $@
+	@ if [ -s "$@" ]; then \
+		cat $@; mv $@ $(FAILED_LINT_REPORT); \
+	  else \
+		echo "No lint errors!"; \
+	  fi
+
+$(LINT_OUTPUTS): $(LINT_OUTPUT_DIR)/%.lint.txt : % | $(LINT_OUTPUT_DIR)
+	@ mkdir -p $(dir $@)
+	@ python ./scripts/cpp_lint.py $< 2>&1 \
+		| grep -v "^Done processing " \
+		| grep -v "^Total errors found: 0" \
+		> $@ \
+		|| true
+	@ if [ -s "$@" ]; then touch $<; cat $@; fi
 
 test: $(TEST_ALL_BIN) $(TEST_BINS)
 
@@ -312,6 +341,23 @@ $(MAT$(PROJECT)_SO): $(MAT$(PROJECT)_SRC) $(STATIC_NAME)
 runtest: $(TEST_ALL_BIN)
 	$(TEST_ALL_BIN) $(TEST_GPUID) --gtest_shuffle
 
+warn: $(ALL_WARNS_FILENAME)
+
+$(ALL_WARNS_FILENAME): $(ALL_WARNS) | $(BUILD_DIR)
+	@ touch $(ALL_WARNS)
+	@ cat $(ALL_WARNS) > $@
+	@ # If the concatenated warning file is non-empty, touch all dependencies
+	@ # so that "make warn" always prints the error list and only says
+	@ # "nothing to be done" when there are no warnings.
+	@ if [ -s "$@" ]; then touch $(ALL_WARNS); else echo "No compiler warnings!"; fi
+	@ cat $@
+
+$(ALL_CXX_WARNS): %.o.${WARNS_EXT} : %.o
+	@ cat $@
+
+$(ALL_CU_WARNS): %.cuo.${WARNS_EXT} : %.cuo
+	@ cat $@
+
 $(BUILD_DIR_LINK): $(BUILD_DIR)/.linked
 
 # Create a target ".linked" in this BUILD_DIR to tell Make that the "build" link
@@ -337,12 +383,14 @@ $(STATIC_NAME): $(PROTO_OBJS) $(OBJS) | $(LIB_BUILD_DIR)
 
 $(TEST_BUILD_DIR)/%.o: src/$(PROJECT)/test/%.cpp $(HXX_SRCS) $(TEST_HDRS) \
 		| $(TEST_BUILD_DIR)
-	$(CXX) $< $(CXXFLAGS) -c -o $@
+	$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(TEST_BUILD_DIR)/%.cuo: src/$(PROJECT)/test/%.cu $(HXX_SRCS) $(TEST_HDRS) \
 		| $(TEST_BUILD_DIR)
-	$(CUDA_DIR)/bin/nvcc $(NVCCFLAGS) $(CUDA_ARCH) -c $< -o $@
+	$(CUDA_DIR)/bin/nvcc $(NVCCFLAGS) $(CUDA_ARCH) -c $< -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(TEST_ALL_BIN): $(TEST_MAIN_SRC) $(TEST_OBJS) $(GTEST_OBJ) $(STATIC_NAME) \
@@ -373,42 +421,51 @@ $(EXAMPLE_BINS): %.bin : %.o $(STATIC_NAME)
 
 $(LAYER_BUILD_DIR)/%.o: src/$(PROJECT)/layers/%.cpp $(HXX_SRCS) \
 		| $(LAYER_BUILD_DIR)
-	$(CXX) $< $(CXXFLAGS) -c -o $@
+	$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(PROTO_BUILD_DIR)/%.pb.o: $(PROTO_BUILD_DIR)/%.pb.cc $(PROTO_GEN_HEADER) \
 		| $(PROTO_BUILD_DIR)
-	$(CXX) $< $(CXXFLAGS) -c -o $@
+	$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(UTIL_BUILD_DIR)/%.o: src/$(PROJECT)/util/%.cpp $(HXX_SRCS) | $(UTIL_BUILD_DIR)
-	$(CXX) $< $(CXXFLAGS) -c -o $@
+	$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(GTEST_OBJ): $(GTEST_SRC) | $(GTEST_BUILD_DIR)
-	$(CXX) $< $(CXXFLAGS) -c -o $@
+	$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(LAYER_BUILD_DIR)/%.cuo: src/$(PROJECT)/layers/%.cu $(HXX_SRCS) \
 		| $(LAYER_BUILD_DIR)
-	$(CUDA_DIR)/bin/nvcc $(NVCCFLAGS) $(CUDA_ARCH) -c $< -o $@
+	$(CUDA_DIR)/bin/nvcc $(NVCCFLAGS) $(CUDA_ARCH) -c $< -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(UTIL_BUILD_DIR)/%.cuo: src/$(PROJECT)/util/%.cu | $(UTIL_BUILD_DIR)
-	$(CUDA_DIR)/bin/nvcc $(NVCCFLAGS) $(CUDA_ARCH) -c $< -o $@
+	$(CUDA_DIR)/bin/nvcc $(NVCCFLAGS) $(CUDA_ARCH) -c $< -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(TOOL_BUILD_DIR)/%.o: tools/%.cpp $(PROTO_GEN_HEADER) | $(TOOL_BUILD_DIR)
-	$(CXX) $< $(CXXFLAGS) -c -o $@
+	$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(EXAMPLE_BUILD_DIR)/%.o: examples/%.cpp $(PROTO_GEN_HEADER) \
 		| $(EXAMPLE_BUILD_DIRS)
-	$(CXX) $< $(CXXFLAGS) -c -o $@
+	$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 $(BUILD_DIR)/src/$(PROJECT)/%.o: src/$(PROJECT)/%.cpp $(HXX_SRCS)
-	$(CXX) $< $(CXXFLAGS) -c -o $@
+	$(CXX) $< $(CXXFLAGS) -c -o $@ 2> $@.${WARNS_EXT}
+	@ cat $@.${WARNS_EXT}
 	@ echo
 
 proto: $(PROTO_GEN_CC) $(PROTO_GEN_HEADER)