Generate doxygen doc in doc/doxygen with make

tools/Doxyfile

@@ -44,7 +44,7 @@ PROJECT_NUMBER         =
 # for a project that appears at the top of each page and should give viewer a
 # quick idea about the purpose of the project. Keep the description short.
 
-PROJECT_BRIEF          =
+PROJECT_BRIEF          = "The ultimate 256-color painting program"
 
 # With the PROJECT_LOGO tag one can specify an logo or icon that is included in
 # the documentation. The maximum height of the logo should not exceed 55 pixels
@@ -58,7 +58,7 @@ PROJECT_LOGO           =
 # entered, it will be relative to the location where doxygen was started. If
 # left blank the current directory will be used.
 
-OUTPUT_DIRECTORY       = out
+OUTPUT_DIRECTORY       = ../doc/doxygen
 
 # If the CREATE_SUBDIRS tag is set to YES, then doxygen will create 4096 sub-
 # directories (in 2 levels) under the output directory of each output format and
@@ -753,7 +753,7 @@ WARN_LOGFILE           =
 # spaces.
 # Note: If this tag is empty the current directory is searched.
 
-INPUT                  =
+INPUT                  = ../src
 
 # This tag can be used to specify the character encoding of the source files
 # that doxygen parses. Internally doxygen uses the UTF-8 encoding. Doxygen uses
@@ -804,7 +804,7 @@ EXCLUDE_SYMLINKS       = NO
 # Note that the wildcards are matched against the file with absolute path, so to
 # exclude all test directories for example use the pattern */test/*
 
-EXCLUDE_PATTERNS       = SDLMain.* \
+EXCLUDE_PATTERNS       = recoil.* \
                          *.py
 
 # The EXCLUDE_SYMBOLS tag can be used to specify one or more symbol names

tools/Makefile

@@ -1,4 +1,11 @@
-.PHONY:	all gifanalyzer sdl_image_test test_iff
+DOXYGEN = doxygen
+GIT_REVISION = $(shell cat ../src/version.c | cut -f 2 -d '"')
+LABEL = $(shell cat ../src/pversion.c | cut -f 2 -d '"')
+VERSION = $(subst wip.,wip,$(LABEL).$(GIT_REVISION))
+
+SOURCES = $(wildcard ../src/*.c) $(wildcard ../src/*.h)
+
+.PHONY:	all gifanalyzer sdl_image_test test_iff doxygen
 
 all:	gifanalyzer sdl_image_test test_iff
 
@@ -10,3 +17,12 @@ sdl_image_test:
 
 test_iff:
 	$(MAKE) -C $@
+
+doxygen:	../doc/doxygen/html/index.html
+
+../doc/doxygen/html/index.html:	Doxyfile $(SOURCES)
+	$(DOXYGEN)
+
+Doxyfile:	../src/version.c ../src/pversion.c
+	sed -e 's/^\(PROJECT_NUMBER[ ]*=[ ]*\).*$$/\1 "$(VERSION)"/' $@ > $@.tmp
+	mv $@.tmp $@