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  • Committer: Bazaar Package Importer
  • Author(s): Stefano Rivera
  • Date: 2011-06-16 20:37:48 UTC
  • mfrom: (5.1.3 sid)
  • Revision ID: james.westby@ubuntu.com-20110616203748-jbrxik6ql33z54co
Tags: 4.2-build2004-1ubuntu1
https://launchpad.net/bugs/746048
https://launchpad.net/bugs/770972
* Merge from Debian unstable.
  - Supports our current kernel (LP: #746048)
  Remaining changes:
  - debian/oss4-dkms.dkms.in: s/source/build/ in Kernel headers paths.
* ld-as-needed.patch: Re-order CC arguments to enable building with ld
  --as-needed (LP: #770972)

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create-ma-tree.sh
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#!/bin/bash
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# Extract OSS4.2 core & drivers modules.
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# based on http://www.arklinux.org/~bero/oss2kconfig
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usage() {
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        [ -z "$1" ] || echo $1
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        echo "Usage:"
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        echo "$0 PATH_TO_NEWDIR PATH_TO_OSS"
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        exit 1
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}
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[ "$#" != 2 ] && usage
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#[ ! -f "$1"/Kbuild ] && usage "$1 does not appear to be a kernel source tree"
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[ ! -d "$2"/oss ] && usage "$2 does not appear to be a OSS source tree"
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NEWDIR=`pwd`"/$1"
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OSSDIR=`pwd`"/$2"
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mkdir -p $NEWDIR/core $NEWDIR/drivers $NEWDIR/include
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cd $OSSDIR
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# Remove sparc/solaris stuff
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rm -rf kernel/drv/osscore
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rm -rf kernel/drv/oss_audiocs
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rm -rf kernel/drv/oss_sadasupport
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# Move bits into the kernel tree...
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cp -L include/soundcard.h "$NEWDIR"/include
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cp -L include/oss_userdev_exports.h "$NEWDIR"/include
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cp -L kernel/OS/Linux/*.[ch] "$NEWDIR"/core/
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cp -L kernel/OS/Linux/wrapper/*.[ch] "$NEWDIR"/core/
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cp -L setup/Linux/oss/build/*.inc "$NEWDIR"/drivers/
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cp -L setup/Linux/oss/build/* "$NEWDIR"/core/
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rm "$NEWDIR"/core/*.inc
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rm "$NEWDIR"/core/install.sh
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cp -rL kernel/framework/include/* "$NEWDIR"/core/
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mv "$NEWDIR"/core/osscore.c "$NEWDIR"/core/oss_core.c
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SOURCES=""
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SRCCOUNT=0
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for i in ac97 audio midi midi_stubs mixer osscore remux sndstat uart401 vmix_core; do
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        i="kernel/framework/$i"
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        [ -d "$i" ] || continue
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        NAME="`basename $i`"
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        pushd "$i"
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        for j in `ls *.c`; do
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                SOURCES="$SOURCES $j"
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                SRCCOUNT=$((SRCCOUNT + 1))
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        done
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        popd
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        rm -f "$i"/*.man "$i"/Makefile
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        cp -L "$i"/* "$NEWDIR"/core/
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done
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OBJS="os_linux.o `echo $SOURCES |sed -e 's,\.c,.o,g'`"
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cat >"$NEWDIR"/core/Makefile <<EOF
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EXTRA_CFLAGS = -I\$(KBUILD_EXTMOD) -mhard-float -isystem /usr/include
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obj-m += osscore.o
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osscore-objs := oss_core.o $OBJS
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EOF
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# This is somewhat ugly, but unavoidable -- parts of OSS need those defines and
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# access to system includes while osscore.c can't be compiled with them...
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for i in $OBJS; do
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        echo "CFLAGS_$i = -isystem /usr/include -D_KERNEL" >>"$NEWDIR"/core/Makefile
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done
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cat >"$NEWDIR"/drivers/Makefile <<EOF
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osscore_symbols.inc:
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        echo "static const struct modversion_info ____versions[]" >> osscore_symbols.inc
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        echo " __attribute__((used))" >> osscore_symbols.inc
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        echo "__attribute__((section(\"__versions\"))) = {" >> osscore_symbols.inc
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        sed -e "s:^:{:" -e "s:\t:, \":" -e "s:\t\(.\)*:\"},:" < Module.symvers >> osscore_symbols.inc
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        echo "};" >> osscore_symbols.inc
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EXTRA_CFLAGS=-D_KERNEL -I\$(KBUILD_EXTMOD)/../core -I\$(KBUILD_EXTMOD) -isystem /usr/include -mhard-float
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EOF
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# Merge the drivers...
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for i in kernel/drv/*; do
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        [ -d "$i" ] || continue
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        NAME="`basename $i`"
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        DEV="`echo $NAME | tr a-z A-Z`"
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        pushd $i
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        SOURCES=""
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        SRCCOUNT=0
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        for j in `ls *.c`; do
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                if [ "$j" = "$NAME.c" ]; then
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                        mv $j ${NAME}driver.c
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                        SOURCES="$SOURCES ${NAME}driver.c"
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                else
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                        SOURCES="$SOURCES $j"
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                fi
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                SRCCOUNT=$((SRCCOUNT + 1))
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        done
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        popd
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        if [ -e target/build/"$NAME".c ]; then
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                cp target/build/"$NAME".c "$NEWDIR"/drivers/${NAME}module.c
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                SOURCES="$SOURCES ${NAME}module.c"
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                SRCCOUNT=$((SRCCOUNT + 1))
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        fi
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        rm -f "$i"/*.man "$i"/Makefile
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        cp -L "$i"/* "$NEWDIR"/drivers/
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        if [ "$SRCCOUNT" = "1" ]; then
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                echo "obj-m += ${SOURCES/.c/.o}" >>"$NEWDIR"/drivers/Makefile
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        else
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                echo "obj-m += $NAME.o" >>"$NEWDIR"/drivers/Makefile
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                echo "$NAME-objs := `echo $SOURCES |sed -e 's,\.c,.o,g'`" >>"$NEWDIR"/drivers/Makefile
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        fi
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done
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rm -rf "$NEWDIR"/drivers/*.o
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# Main Makefile
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#echo 'obj-m += core/ drivers/ ' > "$NEWDIR"/Makefile
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# Adjust OSS files to some changed header file locations
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find "$NEWDIR"/ -type f |xargs sed -i -e 's,"soundcard.h","../include/soundcard.h",g;s,../include/internals/,,g;s,"../include/sys/soundcard.h","../include/soundcard.h",g'
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find "$NEWDIR"/ -type f |xargs sed -i -e 's,<oss_userdev_exports.h>,"../include/oss_userdev_exports.h",g'
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find "$NEWDIR"/ -type f |xargs sed -i -e 's,"oss_exports.h",<ossddk/oss_exports.h>,g'
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find "$NEWDIR"/ -type f |xargs sed -i -e 's,"ossddk.h",<ossddk/ossddk.h>,g'
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sed -i -e 's,kernel/OS/Linux/wrapper/wrap.h,wrap.h,g' "$NEWDIR"/core/os.h
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sed -i -e 's,#include "ubuntu_version_hack.inc",,g' "$NEWDIR"/core/oss_core.c
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# Don't trust OSS_LITTLE_ENDIAN & OSS_BIG_ENDIAN
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sed -i -e '/^#define AUDIO_CORE_H/a\#include <endian.h>' "$NEWDIR"/core/audio_core.h
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find "$NEWDIR"/ -type f |xargs sed -i -e 's,#ifdef OSS_BIG_ENDIAN,#if __BYTE_ORDER == __BIG_ENDIAN,g'
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find "$NEWDIR"/ -type f |xargs sed -i -e 's,#ifndef OSS_BIG_ENDIAN,#if __BYTE_ORDER != __BIG_ENDIAN,g'
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find "$NEWDIR"/ -type f |xargs sed -i -e 's,#ifdef OSS_LITTLE_ENDIAN,#if __BYTE_ORDER == __LITTLE_ENDIAN,g'
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find "$NEWDIR"/ -type f |xargs sed -i -e 's,#ifndef OSS_LITTLE_ENDIAN,#if __BYTE_ORDER != __LITTLE_ENDIAN,g'
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# OSS4 drivers need to depend on OSS4 core and not OSS3 from the kernel
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ln -sf ../core/Module.symvers "$NEWDIR"/drivers/Module.symvers
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