diff --git a/Makefile b/Makefile
index 22fe373a6..d77cacd54 100644
--- a/Makefile
+++ b/Makefile
@@ -92,7 +92,7 @@ YOSYS_SRC := $(dir $(firstword $(MAKEFILE_LIST)))
 VPATH := $(YOSYS_SRC)
 
 CXXSTD ?= c++11
-CXXFLAGS := $(CXXFLAGS) -Wall -Wextra -ggdb -I. -I"$(YOSYS_SRC)" -MD -MP -D_YOSYS_ -fPIC -I$(PREFIX)/include
+CXXFLAGS := $(CXXFLAGS) -Wall -Wextra -ggdb -I. -I"$(YOSYS_SRC)" -MD -MP -D_YOSYS_ -fPIC -I$(PREFIX)/include 
 LIBS := $(LIBS) -lstdc++ -lm
 PLUGIN_LINKFLAGS :=
 PLUGIN_LIBS :=
@@ -1045,11 +1045,12 @@ coverage:
 	genhtml coverage.info --output-directory coverage_html
 
 qtcreator:
+	echo "$(CXXFLAGS)" | grep -o '\-D[^ ]*' | tr ' ' '\n' | sed 's/-D/#define /' | sed 's/=/ /'> qtcreator.config
 	{ for file in $(basename $(OBJS)); do \
 		for prefix in cc y l; do if [ -f $${file}.$${prefix} ]; then echo $$file.$${prefix}; fi; done \
 	done; find backends frontends kernel libs passes -type f \( -name '*.h' -o -name '*.hh' \); } > qtcreator.files
 	{ echo .; find backends frontends kernel libs passes -type f \( -name '*.h' -o -name '*.hh' \) -printf '%h\n' | sort -u; } > qtcreator.includes
-	touch qtcreator.config qtcreator.creator
+	touch qtcreator.creator
 
 vcxsrc: $(GENFILES) $(EXTRA_TARGETS)
 	rm -rf yosys-win32-vcxsrc-$(YOSYS_VER){,.zip}