ac628b106b
This patch implements a Genode-specific audio backend for SDL. The audio volume (in percent) can be configured in the config file of the SDL application: <config> <sdl_audio_volume value="100"/> </config> Fixes #204.
43 lines
1.1 KiB
Makefile
43 lines
1.1 KiB
Makefile
SDL_VERSION = 1.2.13
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SDL = SDL-$(SDL_VERSION)
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SDL_TGZ = $(SDL).tar.gz
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SDL_URL = http://www.libsdl.org/release/$(SDL_TGZ)
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#
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# Interface to top-level prepare Makefile
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#
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# Register SDL port as lower case to be consitent with the
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# other libraries.
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#
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PORTS += sdl-$(SDL_VERSION)
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prepare-sdl: $(CONTRIB_DIR)/$(SDL) include/SDL
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$(CONTRIB_DIR)/$(SDL): clean-sdl
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#
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# Port-specific local rules
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#
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$(DOWNLOAD_DIR)/$(SDL_TGZ):
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$(VERBOSE)wget -c -P $(DOWNLOAD_DIR) $(SDL_URL) && touch $@
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$(CONTRIB_DIR)/$(SDL): $(DOWNLOAD_DIR)/$(SDL_TGZ)
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$(VERBOSE)tar xfz $< -C $(CONTRIB_DIR) && touch $@
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$(VERBOSE)rm -f $@/include/SDL_config.h
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$(VERBOSE)patch -p0 -i src/lib/sdl/SDL_video.patch
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$(VERBOSE)patch -d $(CONTRIB_DIR)/$(SDL) -p1 -i ../../src/lib/sdl/SDL_audio.patch
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#
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# Install SDL headers
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#
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include/SDL:
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$(VERBOSE)mkdir -p $@
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$(VERBOSE)for i in `find $(CONTRIB_DIR)/$(SDL)/include -name *.h`; do \
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ln -fs ../../$$i include/SDL/; done
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$(VERBOSE)ln -fs ../../src/lib/sdl/SDL_config.h $@
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$(VERBOSE)ln -fs ../../src/lib/sdl/SDL_config_genode.h $@
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clean-sdl:
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$(VERBOSE)rm -rf include/SDL
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$(VERBOSE)rm -rf $(CONTRIB_DIR)/$(SDL)
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