make this stuff actually readable

extra/scripts/fix_includes.sh

@@ -5,169 +5,169 @@
 # Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
 #
 
-usage () {
-    echo ""
-    echo "usage: "`basename $0`" -k KERNEL_SOURCE_DIRECTORY -t TARGET_ARCH"
-    echo ""
-    echo "This utility scans the KERNEL_SOURCE_DIRECTORY directory and"
-    echo "checks that it contains well formed kernel headers suitable"
-    echo "for inclusion as the include/linux/ directory provided by"
-    echo "uClibc."
-    echo ""
-    echo "If the specified kernel headers are present and already"
-    echo "configured for the architecture specified by TARGET_ARCH,"
-    echo "they will be used as-is."
-    echo ""
-    echo "If the specified kernel headers are missing entirely, this"
-    echo "script will return an error."
-    echo ""
-    echo "If the specified kernel headers are present, but are either"
-    echo "not yet configured or are configured for an architecture"
-    echo "different than that specified by TARGET_ARCH, this script"
-    echo "will attempt to 'fix' the kernel headers and make them"
-    echo "suitable for use by uClibc.  This fixing process may fail."
-    echo "It is therefore best to always provide kernel headers that"
-    echo "are already configured for the selected architecture."
-    echo ""
-    echo "Most Linux distributions provide 'kernel-headers' packages"
-    echo "that are suitable for use by uClibc."
-    echo ""
-    echo ""
-    exit 1;
+usage() {
+	echo ""
+	echo "usage: "`basename $0`" -k KERNEL_SOURCE_DIRECTORY -t TARGET_ARCH"
+	echo ""
+	echo "This utility scans the KERNEL_SOURCE_DIRECTORY directory and"
+	echo "checks that it contains well formed kernel headers suitable"
+	echo "for inclusion as the include/linux/ directory provided by"
+	echo "uClibc."
+	echo ""
+	echo "If the specified kernel headers are present and already"
+	echo "configured for the architecture specified by TARGET_ARCH,"
+	echo "they will be used as-is."
+	echo ""
+	echo "If the specified kernel headers are missing entirely, this"
+	echo "script will return an error."
+	echo ""
+	echo "If the specified kernel headers are present, but are either"
+	echo "not yet configured or are configured for an architecture"
+	echo "different than that specified by TARGET_ARCH, this script"
+	echo "will attempt to 'fix' the kernel headers and make them"
+	echo "suitable for use by uClibc.  This fixing process may fail."
+	echo "It is therefore best to always provide kernel headers that"
+	echo "are already configured for the selected architecture."
+	echo ""
+	echo "Most Linux distributions provide 'kernel-headers' packages"
+	echo "that are suitable for use by uClibc."
+	echo ""
+	echo ""
+	exit 1
 }
 
-HAS_MMU="y";
+HAS_MMU="y"
 while [ -n "$1" ]; do
-    case $1 in
-	-k ) shift; if [ -n "$1" ]; then KERNEL_SOURCE=$1; shift; else usage; fi; ;;
-	-t ) shift; if [ -n "$1" ]; then TARGET_ARCH=$1; shift; else usage; fi; ;;
-	-n ) shift; HAS_MMU="n"; ;;
-	-* ) usage; ;;
-	* ) usage; ;;
-    esac;
-done;
+	case $1 in
+		-k ) shift; if [ -n "$1" ]; then KERNEL_SOURCE=$1; shift; else usage; fi; ;;
+		-t ) shift; if [ -n "$1" ]; then TARGET_ARCH=$1; shift; else usage; fi; ;;
+		-n ) shift; HAS_MMU="n"; ;;
+		-* ) usage; ;;
+		* ) usage; ;;
+	esac
+done
 
 if [ ! -f "$KERNEL_SOURCE/Makefile" -a ! -f "$KERNEL_SOURCE/include/linux/version.h" ]; then
-    echo "";
-    echo "";
-    echo "The file $KERNEL_SOURCE/Makefile or $KERNEL_SOURCE/include/linux/version.h is missing!";
-    echo "Perhaps your kernel source is broken?"
-    echo "";
-    echo "";
-    exit 1;
-fi;
+	echo ""
+	echo ""
+	echo "The file $KERNEL_SOURCE/Makefile or $KERNEL_SOURCE/include/linux/version.h is missing!"
+	echo "Perhaps your kernel source is broken?"
+	echo ""
+	echo ""
+	exit 1
+fi
 
 if [ ! -d "$KERNEL_SOURCE" ]; then
-    echo "";
-    echo "";
-    echo "$KERNEL_SOURCE is not a directory";
-    echo "";
-    echo "";
-    exit 1;
-fi;
+	echo ""
+	echo ""
+	echo "$KERNEL_SOURCE is not a directory"
+	echo ""
+	echo ""
+	exit 1
+fi
 
 if [ -f "$KERNEL_SOURCE/Makefile" ] ; then
-# set current VERSION, PATCHLEVEL, SUBLEVEL, EXTRAVERSION
-eval `sed -n -e 's/^\([A-Z]*\) = \([0-9]*\)$/\1=\2/p' -e 's/^\([A-Z]*\) = \(-[-a-z0-9]*\)$/\1=\2/p' $KERNEL_SOURCE/Makefile`
-else
-ver=`grep UTS_RELEASE $KERNEL_SOURCE/include/linux/version.h | cut -d '"' -f 2`
-VERSION=`echo "$ver" | cut -d '.' -f 1`
-PATCHLEVEL=`echo "$ver" | cut -d '.' -f 2`
-if echo "$ver" | grep -q '-' ; then
-SUBLEVEL=`echo "$ver" | sed "s/${VERSION}.${PATCHLEVEL}.//" | cut -d '-' -f 1`
-EXTRAVERSION=`echo "$ver" | sed "s/${VERSION}.${PATCHLEVEL}.${SUBLEVEL}-//"`
+	# set current VERSION, PATCHLEVEL, SUBLEVEL, EXTRAVERSION
+	eval `sed -n -e 's/^\([A-Z]*\) = \([0-9]*\)$/\1=\2/p' -e 's/^\([A-Z]*\) = \(-[-a-z0-9]*\)$/\1=\2/p' $KERNEL_SOURCE/Makefile`
 else
-SUBLEVEL=`echo "$ver" | cut -d '.' -f 3`
-#EXTRAVERSION=
+	ver=`grep UTS_RELEASE $KERNEL_SOURCE/include/linux/version.h | cut -d '"' -f 2`
+	VERSION=`echo "$ver" | cut -d '.' -f 1`
+	PATCHLEVEL=`echo "$ver" | cut -d '.' -f 2`
+	if echo "$ver" | grep -q '-' ; then
+		SUBLEVEL=`echo "$ver" | sed "s/${VERSION}.${PATCHLEVEL}.//" | cut -d '-' -f 1`
+		EXTRAVERSION=`echo "$ver" | sed "s/${VERSION}.${PATCHLEVEL}.${SUBLEVEL}-//"`
+	else
+		SUBLEVEL=`echo "$ver" | cut -d '.' -f 3`
+		#EXTRAVERSION=
+	fi
 fi
-fi
-if [ -z "$VERSION" -o -z "$PATCHLEVEL" -o -z "$SUBLEVEL" ]
-then
-    echo "Unable to determine version for kernel headers"
-    echo -e "\tprovided in directory $KERNEL_SOURCE"
-    exit 1
+if [ -z "$VERSION" -o -z "$PATCHLEVEL" -o -z "$SUBLEVEL" ]; then
+	echo "Unable to determine version for kernel headers"
+	echo -e "\tprovided in directory $KERNEL_SOURCE"
+	exit 1
 fi
 
 if [ "$MAKE_IS_SILENT" != "y" ]; then
-echo ""
-echo "Current kernel version is $VERSION.$PATCHLEVEL.$SUBLEVEL${EXTRAVERSION}"
-echo ""
-echo "Using kernel headers from $VERSION.$PATCHLEVEL.$SUBLEVEL${EXTRAVERSION} for architecture '$TARGET_ARCH'"
-echo -e "\tprovided in directory $KERNEL_SOURCE"
-echo ""
+	echo ""
+	echo "Current kernel version is $VERSION.$PATCHLEVEL.$SUBLEVEL${EXTRAVERSION}"
+	echo ""
+	echo "Using kernel headers from $VERSION.$PATCHLEVEL.$SUBLEVEL${EXTRAVERSION} for architecture '$TARGET_ARCH'"
+	echo -e "\tprovided in directory $KERNEL_SOURCE"
+	echo ""
 fi
 
 # Create a symlink to include/asm
 
 rm -f include/asm*
 if [ ! -d "$KERNEL_SOURCE/include/asm" ]; then
-    echo "";
-    echo "";
-    echo "The symlink $KERNEL_SOURCE/include/asm is missing\!";
-    echo "Perhaps you forgot to configure your kernel source?";
-    echo "You really should configure your kernel source tree so I";
-    echo "do not have to try and guess about this sort of thing.";
-    echo ""
-    echo "Attempting to guess a usable value....";
-    echo ""
-    echo "";
-    sleep 1;
+	echo ""
+	echo ""
+	echo "The symlink $KERNEL_SOURCE/include/asm is missing\!"
+	echo "Perhaps you forgot to configure your kernel source?"
+	echo "You really should configure your kernel source tree so I"
+	echo "do not have to try and guess about this sort of thing."
+	echo ""
+	echo "Attempting to guess a usable value...."
+	echo ""
+	echo ""
+	sleep 1
 
-    if [ "$TARGET_ARCH" = "powerpc" ];then
-	set -x;
-	ln -fs $KERNEL_SOURCE/include/asm-ppc include/asm;
-	set +x;
-    elif [ "$TARGET_ARCH" = "mips" ];then
-	set -x;
-	ln -fs $KERNEL_SOURCE/include/asm-mips include/asm;
-	set +x;
-    elif [ "$TARGET_ARCH" = "arm" ];then
-	set -x;
-	ln -fs $KERNEL_SOURCE/include/asm-arm include/asm;
-	set +x;
-	if [ ! -L $KERNEL_SOURCE/include/asm-arm/proc ] ; then
-	    if [ ! -L proc ] ; then
-		(cd include/asm;
-		ln -fs proc-armv proc;
-		ln -fs arch-ebsa285 arch);
-	    fi
+	if [ "$TARGET_ARCH" = "powerpc" ]; then
+		set -x
+		ln -fs $KERNEL_SOURCE/include/asm-ppc include/asm
+		set +x
+	elif [ "$TARGET_ARCH" = "mips" ]; then
+		set -x
+		ln -fs $KERNEL_SOURCE/include/asm-mips include/asm
+		set +x
+	elif [ "$TARGET_ARCH" = "arm" ]; then
+		set -x
+		ln -fs $KERNEL_SOURCE/include/asm-arm include/asm
+		set +x
+	if [ ! -L $KERNEL_SOURCE/include/asm-arm/proc ]; then
+		if [ ! -L proc ]; then
+			(
+				cd include/asm
+				ln -fs proc-armv proc
+				ln -fs arch-ebsa285 arch
+			)
+		fi
+	fi
+	elif [ "$TARGET_ARCH" = "cris" ]; then
+		set -x
+		ln -fs $KERNEL_SOURCE/include/asm-cris include/asm
+		set +x
+	elif [ "$HAS_MMU" != "y" ]; then
+		if [ -d $KERNEL_SOURCE/include/asm-${TARGET_ARCH}nommu ]; then
+			set -x
+			ln -fs $KERNEL_SOURCE/include/asm-${TARGET_ARCH}nommu include/asm
+			set +x
+		else
+			set -x
+			ln -fs $KERNEL_SOURCE/include/asm-$TARGET_ARCH include/asm
+			set +x
+		fi
+	else
+		set -x
+		ln -fs $KERNEL_SOURCE/include/asm-$TARGET_ARCH include/asm
+		set +x
 	fi;
-    elif [ "$TARGET_ARCH" = "cris" ]; then
-	set -x;
-	ln -fs $KERNEL_SOURCE/include/asm-cris include/asm;
-	set +x;
-    elif [ "$HAS_MMU" != "y" ]; then
-	    if [ -d $KERNEL_SOURCE/include/asm-${TARGET_ARCH}nommu ] ; then
-		set -x;
-		ln -fs $KERNEL_SOURCE/include/asm-${TARGET_ARCH}nommu include/asm;
-		set +x;
-	    else
-		set -x;
-		ln -fs $KERNEL_SOURCE/include/asm-$TARGET_ARCH include/asm;
-		set +x;
-	    fi;
-    else
-	set -x;
-	ln -fs $KERNEL_SOURCE/include/asm-$TARGET_ARCH include/asm;
-	set +x;
-    fi;
 else
-# No guessing required.....
-for x in $KERNEL_SOURCE/include/asm* ; do
-	ln -fs ${x} include/
-done
-fi;
+	# No guessing required.....
+	for x in $KERNEL_SOURCE/include/asm* ; do
+		ln -fs ${x} include/
+	done
+fi
 
 
 # Annoyingly, 2.6.x kernel headers also need an include/asm-generic/ directory
-if [ $VERSION -eq 2 ] && [ $PATCHLEVEL -ge 6 ] ; then
-	[ ! -e include/asm-generic ] && \
-		[ -e $KERNEL_SOURCE/include/asm-generic ] && \
-	ln -fs $KERNEL_SOURCE/include/asm-generic include/asm-generic
+if [ $VERSION -eq 2 ] && [ $PATCHLEVEL -ge 6 ]; then
+	if [ ! -e include/asm-generic ] && [ -e $KERNEL_SOURCE/include/asm-generic ]; then
+		ln -fs $KERNEL_SOURCE/include/asm-generic include/asm-generic
+	fi
 fi
 
 
 # Create the include/linux symlink.
 rm -f include/linux
 ln -fs $KERNEL_SOURCE/include/linux include/linux
-