"make doc" for Doxygen

Author: miniupnp

Makefile

@@ -3,7 +3,7 @@
 # http://miniupnp.free.fr/
 # https://miniupnp.tuxfamily.org/
 # https://github.com/miniupnp/miniupnp
-# (c) 2005-2024 Thomas Bernard
+# (c) 2005-2025 Thomas Bernard
 # to install use :
 # $ make DESTDIR=/tmp/dummylocation install
 # or
@@ -167,7 +167,7 @@ endif
 
 
 .PHONY:	install clean depend all check test everything \
-	installpythonmodule updateversion
+	installpythonmodule updateversion doc
 
 all:	$(LIBRARY) $(EXECUTABLES)
 
@@ -178,6 +178,8 @@ check:	validateminixml validateminiwget validateupnpreplyparse \
 
 everything:	all $(EXECUTABLES_ADDTESTS)
 
+doc:	doxygen/html/index.html
+
 # note : the python module "wheel" is required for bdist_wheel
 pythonmodule:	$(LIBRARY) $(SRCDIR)/miniupnpcmodule.c setup.py
 	MAKE=$(MAKE) python setup.py build
@@ -397,6 +399,9 @@ ideb:
 
 minihttptestserver:	minihttptestserver.o
 
+doxygen/html/index.html: Doxyfile $(SRCS) $(HEADERS)
+	doxygen
+
 print-%:
 	@echo "$* = $($*)"