Makefile: Add support for generating compile_flags.txt

This helps tools like clangd understand where the header files are such
that they can be used to navigate the codebase quickly and easily.

1 files changed, 3 insertions, 0 deletions

diff --git a/Makefile b/Makefile
index 9176f4d..9ee2833 100644
--- a/Makefile
+++ b/Makefile
@@ -18,6 +18,9 @@ $(BUILDDIR)/%.o: $(SRCDIR)/%.$(SRCEXT) Makefile
 	@mkdir -p $(BUILDDIR)
 	@echo " $(CC) $(CFLAGS) $(INC) -c -o $@ $<"; $(CC) $(CFLAGS) $(INC) -c -o $@ $< -save-temps -O3
 
+compile_flags.txt: Makefile
+	printf "%s\n" $(CFLAGS) $(INC) >$@
+
 clean:
 	@echo " Cleaning..."; 
 	@echo " $(RM) -r $(BUILDDIR) $(TARGET)"; $(RM) -r $(BUILDDIR) $(TARGET)