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https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 07:17:45 -04:00
make, add legacy dingux and retrofw, make libavcodec optional
This commit is contained in:
kub
parent
a6204821d5
commit
5d3b7ae27b
3 changed files with 57 additions and 27 deletions
9
Makefile
9
Makefile
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@ -91,12 +91,13 @@ ifeq "$(PLATFORM)" "opendingux"
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cp $< .od_data/PicoDrive
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$(STRIP) .od_data/PicoDrive
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ifneq (,$(filter %__OPENDINGUX__, $(CFLAGS)))
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# "legacy" opendingux without opk support
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ifneq (,$(filter %__DINGUX__, $(CFLAGS)))
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# "legacy" dingux without opk support
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$(TARGET)-dge.zip: .od_data
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rm -f .od_data/default.*.desktop
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cd .od_data && zip -9 -r ../$@ *
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all: $(TARGET)-dge.zip
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CFLAGS += -DSDL_SURFACE_SW # some legacy dinguces had bugs in HWSURFACE
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else
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$(TARGET).opk: .od_data
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rm -f .od_data/PicoDrive.dge
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@ -104,8 +105,8 @@ $(TARGET).opk: .od_data
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all: $(TARGET).opk
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endif
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ifneq (,$(filter %__GCW0__ %__RG350__, $(CFLAGS)))
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CFLAGS += -DMIPS_USE_SYNCI # mips32r2 clear_cache uses SYNCI instead of syscall
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ifneq (,$(filter %mips32r2, $(CFLAGS)))
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CFLAGS += -DMIPS_USE_SYNCI # mips32r2 clear_cache uses SYNCI instead of a syscall
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endif
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OBJS += platform/opendingux/inputmap.o
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28
README.md
28
README.md
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@ -1,14 +1,17 @@
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This is my foray into dynamic recompilation using PicoDrive, a
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Megadrive / Genesis / Sega CD / Mega CD / 32X / SMS emulator.
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I added support for MIPS (mips32r1), ARM64 (aarch64) and RISC-V (RV64IM) to the
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SH2 recompiler, as well as spent much effort to optimize the DRC-generated code.
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I also optimized SH2 memory access inside the emulator, and did some work on
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M68K/SH2 CPU synchronization to fix some problems and speed up the emulator.
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I added support for MIPS (mips32r2), ARM64 (armv8), RISC-V (RV64IM) and
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PowerPC (G4/2.03) support to the SH2 recompiler, as well as spent much effort to
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optimize the DRC-generated code. I also optimized SH2 memory access inside the
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emulator, and did some work on M68K/SH2 CPU synchronization to fix some problems
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and speed up the emulator.
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It got a bit out of hand. I ended up doing fixes and optimizations all over the
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place, mainly for 32X and CD, 32X graphics handling, and probably some more,
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see the commit history. As a result, 32X emulation speed has improved a lot.
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place, mainly for 32X and CD, graphics handling, sound, and probably some more,
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see the commit history. As a result, 32X emulation speed has improved a lot, a
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lot of bugs were fixed, and some new features (e.g. chd file support) have been
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added.
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### compiling
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@ -31,8 +34,9 @@ platform|toolchain|configure command
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--------|---------|-----------------
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gp2x,wiz,caanoo|open2x|CROSS_COMPILE=arm-open2x-linux- CFLAGS="-I$TC/gcc-4.1.1-glibc-2.3.6/arm-open2x-linux/include" LDFLAGS="--sysroot $TC/gcc-4.1.1-glibc-2.3.6/arm-open2x-linux -L$TC/gcc-4.1.1-glibc-2.3.6/arm-open2x-linux/lib" ./configure --platform=gp2x
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gp2x,wiz,caanoo|open2x with ubuntu arm gcc 4.7|CROSS_COMPILE=arm-linux-gnueabi- CFLAGS="-I$TC/gcc-4.1.1-glibc-2.3.6/arm-open2x-linux/include" LDFLAGS="-B$TC/gcc-4.1.1-glibc-2.3.6/lib/gcc/arm-open2x-linux/4.1.1 -B$TC/gcc-4.1.1-glibc-2.3.6/arm-open2x-linux/lib -L$TC/gcc-4.1.1-glibc-2.3.6/arm-open2x-linux/lib" ./configure --platform=gp2x
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opendingux|opendingux|CROSS_COMPILE=mipsel-linux- CFLAGS="-I$TC/usr/include -I$TC/usr/include/SDL" LDFLAGS="--sysroot $TC -L$TC/lib" ./configure --platform=opendingux
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opendingux|opendingux with ubuntu mips gcc 5.4|CROSS_COMPILE=mipsel-linux-gnu- CFLAGS="-I$TC/usr/include -I$TC/usr/include/SDL" LDFLAGS="-B$TC/usr/lib -B$TC/lib -Wl,-rpath-link=$TC/usr/lib -Wl,-rpath-link=$TC/lib" ./configure --platform=opendingux
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dingux|dingux|CROSS_COMPILE=mipsel-linux- CFLAGS="-I$TC/usr/include -I$TC/usr/include/SDL" LDFLAGS="--sysroot $TC -L$TC/lib" ./configure --platform=dingux
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dingux|dingux with ubuntu mips gcc 5.4|CROSS_COMPILE=mipsel-linux-gnu- CFLAGS="-I$TC/usr/include -I$TC/usr/include/SDL" LDFLAGS="-B$TC/usr/lib -B$TC/lib -Wl,-rpath-link=$TC/usr/lib -Wl,-rpath-link=$TC/lib" ./configure --platform=dingux
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retrofw|retrofw|CROSS_COMPILE=mipsel-linux- CFLAGS="-I $TC/include -I $TC/include/SDL -Wno-unused-result" LDFLAGS="--sysroot $TC/mipsel-buildroot-linux-uclibc/sysroot" ./configure --platform=retrofw
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gcw0|gcw0|CROSS_COMPILE=mipsel-gcw0-linux-uclibc- CFLAGS="-I$TC/usr/mipsel-gcw0-linux-uclibc/sysroot/usr/include -I$TC/usr/mipsel-gcw0-linux-uclibc/sysroot/usr/include/SDL" LDFLAGS="--sysroot $TC/usr/mipsel-gcw0-linux-uclibc/sysroot" ./configure --platform=gcw0
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rg350|rg350|CROSS_COMPILE=mipsel-linux- CFLAGS="-I$TC/usr/include -I$TC/usr/include/SDL" LDFLAGS="--sysroot $TC -L$TC/lib" ./configure --platform=rg350
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@ -42,7 +46,7 @@ After configure, compile with
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> make
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### helix MP3 decoder
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### helix MP3 decoder for ARM
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For 32 bit ARM platforms, there is the possibility to compile the helix MP3
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decoder into a shared library to be able to use MP3 audio files with CD games.
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@ -60,10 +64,10 @@ the PicoDrive binary is.
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### installing
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You need to install the resulting binary onto your device manually.
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For opendingux and gcw0, copy the opk to your SD card.
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For gp2x, wiz and caanoo, the easiest way is to unpack
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For opendingux, gcw0, and rg350, copy the opk to your SD card.
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For gp2x, wiz, and caanoo, the easiest way is to unpack
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[PicoDrive_191.zip](http://notaz.gp2x.de/releases/PicoDrive/PicoDrive_191.zip)
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on your SD card and replace the PicoDrive binary.
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For legacy dingux, unpack the dge zip and copy the files to your SD card.
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Send bug reports, fixes etc to <derkub@gmail.com>
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Kai-Uwe Bloem
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33
configure
vendored
33
configure
vendored
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@ -39,7 +39,7 @@ check_define()
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# "" means "autodetect".
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# TODO this is annoyingly messy. should have platform and device
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platform_list="generic pandora gp2x wiz caanoo opendingux retrofw gcw0 rg350 rpi1 rpi2 psp"
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platform_list="generic pandora gp2x wiz caanoo dingux retrofw gcw0 rg350 opendingux rpi1 rpi2 psp"
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platform="generic"
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sound_driver_list="oss alsa sdl"
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sound_drivers=""
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@ -93,16 +93,32 @@ set_platform()
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;;
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generic)
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;;
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opendingux | retrofw | gcw0 | rg350)
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dingux)
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# dingoo a320, ritmix rzx-50, the like. all have ingenic MIPS cpus <= JZ4755
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sound_drivers="sdl"
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# uses a predecessor of opendingux
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CFLAGS="$CFLAGS -D__DINGUX__ -march=mips32 -msoft-float"
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platform="opendingux"
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;;
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retrofw)
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# devices using retrofw. AFAIK all have ingenic MIPS cpus JZ4760 with fpu
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sound_drivers="sdl"
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# uses it's own modified version of opendingux
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CFLAGS="$CFLAGS -D__RETROFW__ -march=mips32"
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platform="opendingux"
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;;
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opendingux | gcw0 | rg350)
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# more modern devices using opendingux, generally using cpus >= JZ4770
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sound_drivers="sdl"
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# all are more or less based on opendingux. save device type as C define.
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CFLAGS="$CFLAGS -D__`echo $platform | tr '[a-z]' '[A-Z]'`__"
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CFLAGS="$CFLAGS -D__`echo $platform | tr '[a-z]' '[A-Z]'`__ -march=mips32r2"
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platform="opendingux"
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;;
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pandora)
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sound_drivers="oss alsa"
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optimize_cortexa8="yes"
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have_arm_neon="yes"
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have_libavcodec="yes"
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;;
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gp2x | wiz | caanoo)
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sound_drivers="oss"
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@ -137,6 +153,8 @@ for opt do
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;;
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--sound-drivers=*) sound_drivers="$optarg"
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;;
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--with-libavcodec=*) have_libavcodec="$optarg"
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;;
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*) echo "ERROR: unknown option $opt"; show_help="yes"
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;;
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esac
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@ -149,6 +167,7 @@ if [ "$show_help" = "yes" ]; then
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echo " available: $platform_list"
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echo " --sound-drivers=LIST sound output drivers [guessed]"
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echo " available: $sound_driver_list"
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echo " --with-libavcodec=yes|no use libavcodec for mp3 decoding"
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echo "influential environment variables:"
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echo " CROSS_COMPILE CC CXX AS STRIP CFLAGS ASFLAGS LDFLAGS LDLIBS"
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exit 1
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@ -363,6 +382,8 @@ check_zlib -lz && MAIN_LDLIBS="$MAIN_LDLIBS -lz" || need_zlib="yes"
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MAIN_LDLIBS="-lpng $MAIN_LDLIBS"
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check_libpng || fail "please install libpng (libpng-dev)"
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case "$have_libavcodec" in
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y|Y|yes)
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if check_libavcodec; then
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have_libavcodec="yes"
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# add -ldl if needed
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@ -370,7 +391,11 @@ if check_libavcodec; then
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*"-ldl"*) ;;
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*) MAIN_LDLIBS="-ldl $MAIN_LDLIBS" ;;
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esac
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fi
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else
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have_libavcodec="no"
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fi ;;
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*) have_libavcodec="no" ;;
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esac
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#if check_libchdr; then
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# have_libchdr="yes"
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