changed indentation to tabs

diff --git a/m4/linux.m4 b/m4/linux.m4
index 37d33186305b3962e513fd648ebf69cb6a0380c7..9575784c78f5dee7a960a87298102ef402937f31 100644 (file)
--- a/m4/linux.m4
+++ b/m4/linux.m4
@@ -2,100 +2,100 @@
 
 AC_DEFUN(DS_LINUX_DIR,
 [
-  AC_ARG_WITH([linuxdir],
-    [AC_HELP_STRING([--with-linuxdir],
-      [specify path to Linux source directory])],
-    [LINUX_DIR="${withval}"],
-    [LINUX_DIR=default])
-
-  if test "${LINUX_DIR}" != "default" ; then
-    DS_TRY_LINUX_DIR(${LINUX_DIR}, , AC_MSG_ERROR("not found") )
-  fi
-
-  if test "${LINUX_DIR}" = "default" ; then
-    dir="/lib/modules/`uname -r`/build";
-    DS_TRY_LINUX_DIR(${dir}, LINUX_DIR=${dir}, )
-  fi
-  if test "${LINUX_DIR}" = "default" ; then
-    dir="../linux";
-    DS_TRY_LINUX_DIR(${dir}, LINUX_DIR=${dir}, )
-  fi
-  if test "${LINUX_DIR}" = "default" ; then
-    dir="/usr/src/linux";
-    DS_TRY_LINUX_DIR(${dir}, LINUX_DIR=${dir}, )
-  fi
-
-  if test "${LINUX_DIR}" = "default" ; then
-    AC_MSG_ERROR(Linux source directory not found)
-  fi
-
-  AC_SUBST(LINUX_DIR)
+       AC_ARG_WITH([linuxdir],
+               [AC_HELP_STRING([--with-linuxdir],
+                       [specify path to Linux source directory])],
+               [LINUX_DIR="${withval}"],
+               [LINUX_DIR=default])
+
+       if test "${LINUX_DIR}" != "default" ; then
+               DS_TRY_LINUX_DIR(${LINUX_DIR}, , AC_MSG_ERROR("not found") )
+       fi
+
+       if test "${LINUX_DIR}" = "default" ; then
+               dir="/lib/modules/`uname -r`/build";
+               DS_TRY_LINUX_DIR(${dir}, LINUX_DIR=${dir}, )
+       fi
+       if test "${LINUX_DIR}" = "default" ; then
+               dir="../linux";
+               DS_TRY_LINUX_DIR(${dir}, LINUX_DIR=${dir}, )
+       fi
+       if test "${LINUX_DIR}" = "default" ; then
+               dir="/usr/src/linux";
+               DS_TRY_LINUX_DIR(${dir}, LINUX_DIR=${dir}, )
+       fi
+
+       if test "${LINUX_DIR}" = "default" ; then
+               AC_MSG_ERROR(Linux source directory not found)
+       fi
+
+       AC_SUBST(LINUX_DIR)
 ])
 
 AC_DEFUN(DS_TRY_LINUX_DIR,
-  [AC_MSG_CHECKING(for Linux in $1)
+       [AC_MSG_CHECKING(for Linux in $1)
 
-  if test -f "$1/Makefile" ; then
-    result=yes
-    $2
-  else
-    result="not found"
-    $3
-  fi
+       if test -f "$1/Makefile" ; then
+               result=yes
+               $2
+       else
+               result="not found"
+               $3
+       fi
 
-  AC_MSG_RESULT($result)
+       AC_MSG_RESULT($result)
 ])
 
 AC_DEFUN(DS_LINUX,
 [
-  DS_LINUX_DIR()
+       DS_LINUX_DIR()
 
-  AC_MSG_CHECKING([Linux version])
+       AC_MSG_CHECKING([Linux version])
 
        if [[ ! -f "${LINUX_DIR}/.config" ]];then
-    AC_MSG_ERROR([
+               AC_MSG_ERROR([
 The kernel source tree at ${LINUX_DIR} is not configured.
 Fix before continuing.])
-  fi
+       fi
 
-  if [[ ! -f "${LINUX_DIR}/include/linux/version.h" ]];then
-    AC_MSG_ERROR([The header file include/linux/version.h does not exist.
+       if [[ ! -f "${LINUX_DIR}/include/linux/version.h" ]];then
+               AC_MSG_ERROR([The header file include/linux/version.h does not exist.
 For 2.6 kernels, it can be generated by running 'make prepare' in
 the kernel source directory.])
-  fi
+       fi
 
-  LINUX_VERSION=$(grep UTS_RELEASE ${LINUX_DIR}/include/linux/version.h | \
-       sed 's/[[^"]]*"\(.*\)\{1\}"/\1/')
+       LINUX_VERSION=$(grep UTS_RELEASE ${LINUX_DIR}/include/linux/version.h | \
+               sed 's/[[^"]]*"\(.*\)\{1\}"/\1/')
 
-  AC_MSG_RESULT([$LINUX_VERSION])
+       AC_MSG_RESULT([$LINUX_VERSION])
 
-  LINUX_VERSION_MAJOR=$(echo ${LINUX_VERSION} | cut -d. -f1)
-  LINUX_VERSION_MINOR=$(echo ${LINUX_VERSION} | cut -d. -f2)
+       LINUX_VERSION_MAJOR=$(echo ${LINUX_VERSION} | cut -d. -f1)
+       LINUX_VERSION_MINOR=$(echo ${LINUX_VERSION} | cut -d. -f2)
 
-  case $LINUX_VERSION_MAJOR.$LINUX_VERSION_MINOR in
-    2.6)
-      DS_LINUX_2_6()
-      ;;
-    2.[[01234]])
-      DS_LINUX_2_4()
-      ;;
-    *)
-      AC_MSG_ERROR([Unknown Linux major.minor $LINUX_VERSION_MAJOR.$LINUX_VERSION_MINOR])
-      ;;
-  esac
+       case $LINUX_VERSION_MAJOR.$LINUX_VERSION_MINOR in
+               2.6)
+                       DS_LINUX_2_6()
+                       ;;
+               2.[[01234]])
+                       DS_LINUX_2_4()
+                       ;;
+               *)
+                       AC_MSG_ERROR([Unknown Linux major.minor $LINUX_VERSION_MAJOR.$LINUX_VERSION_MINOR])
+                       ;;
+       esac
 
 ])
 
 AC_DEFUN(DS_LINUX_2_6,
 [
-  AC_MSG_CHECKING(for Linux CFLAGS)
+       AC_MSG_CHECKING(for Linux CFLAGS)
 
-  tmpdir="`pwd`/tmp-noicrwa"
+       tmpdir="`pwd`/tmp-noicrwa"
 
-  rm -rf ${tmpdir}
-  mkdir ${tmpdir}
+       rm -rf ${tmpdir}
+       mkdir ${tmpdir}
 
-  cat >${tmpdir}/Makefile <<EOF
+       cat >${tmpdir}/Makefile <<EOF
 obj-m += fake.o
 
 \$(obj)/fake.c: flags
@@ -115,44 +115,44 @@ flags:
        echo LINUX_AS=\"\$(AS)\" >>\$(obj)/flags
 EOF
 
-  echo make -C ${LINUX_DIR} V=1 SUBDIRS=${tmpdir} LINUXDIR=${LINUX_DIR} MODVERDIR=${tmpdir} modules >&5 2>&5
-  make -C ${LINUX_DIR} V=1 SUBDIRS=${tmpdir} LINUXDIR=${LINUX_DIR} MODVERDIR=${tmpdir} modules >&5 2>&5
-  . ${tmpdir}/flags
-  rm -rf ${tmpdir}
-
-  LINUX_MODULE_EXT=".ko"
-
-  AC_SUBST(LINUX_ARCH)
-  AC_SUBST(LINUX_AFLAGS)
-  AC_SUBST(LINUX_LDFLAGS)
-  AC_SUBST(LINUX_ARFLAGS)
-  AC_SUBST(LINUX_CROSS_COMPILE)
-  AC_SUBST(LINUX_KERNELRELEASE)
-  AC_SUBST(LINUX_CFLAGS)
-  AC_SUBST(LINUX_CC)
-  AC_SUBST(LINUX_LD)
-  AC_SUBST(LINUX_AS)
-  AC_SUBST(LINUX_MODULE_EXT)
-
-  AC_MSG_RESULT([ok])
+       echo make -C ${LINUX_DIR} V=1 SUBDIRS=${tmpdir} LINUXDIR=${LINUX_DIR} MODVERDIR=${tmpdir} modules >&5 2>&5
+       make -C ${LINUX_DIR} V=1 SUBDIRS=${tmpdir} LINUXDIR=${LINUX_DIR} MODVERDIR=${tmpdir} modules >&5 2>&5
+       . ${tmpdir}/flags
+       rm -rf ${tmpdir}
+
+       LINUX_MODULE_EXT=".ko"
+
+       AC_SUBST(LINUX_ARCH)
+       AC_SUBST(LINUX_AFLAGS)
+       AC_SUBST(LINUX_LDFLAGS)
+       AC_SUBST(LINUX_ARFLAGS)
+       AC_SUBST(LINUX_CROSS_COMPILE)
+       AC_SUBST(LINUX_KERNELRELEASE)
+       AC_SUBST(LINUX_CFLAGS)
+       AC_SUBST(LINUX_CC)
+       AC_SUBST(LINUX_LD)
+       AC_SUBST(LINUX_AS)
+       AC_SUBST(LINUX_MODULE_EXT)
+
+       AC_MSG_RESULT([ok])
 ])
 
 
 AC_DEFUN(DS_LINUX_2_4,
 [
-  AC_MSG_CHECKING(for Linux CFLAGS)
+       AC_MSG_CHECKING(for Linux CFLAGS)
 
-  if [[ ! -f "${LINUX_DIR}/.hdepend" ]];then
-    AC_MSG_ERROR([
+       if [[ ! -f "${LINUX_DIR}/.hdepend" ]];then
+               AC_MSG_ERROR([
 You need to run 'make dep' on the kernel source before continuing.])
-  fi
+       fi
 
-  tmpdir="`pwd`/tmp-noicrwa"
+       tmpdir="`pwd`/tmp-noicrwa"
 
-  rm -rf ${tmpdir}
-  mkdir ${tmpdir}
-  
-  cat >${tmpdir}/Makefile <<EOF
+       rm -rf ${tmpdir}
+       mkdir ${tmpdir}
+
+       cat >${tmpdir}/Makefile <<EOF
 
 .PHONY: modules
 modules:
@@ -168,64 +168,64 @@ modules:
        echo LINUX_AS=\"\$(AS)\" >>flags
 EOF
 
-  echo make -C ${LINUX_DIR} SUBDIRS=${tmpdir} modules >&5 2>&5
-  make -C ${LINUX_DIR} SUBDIRS=${tmpdir} modules >&5 2>&5
-  . ${tmpdir}/flags
-  rm -rf ${tmpdir}
-
-  LINUX_MODULE_EXT=".o"
-
-  AC_SUBST(LINUX_ARCH)
-  AC_SUBST(LINUX_AFLAGS)
-  AC_SUBST(LINUX_LDFLAGS)
-  AC_SUBST(LINUX_ARFLAGS)
-  AC_SUBST(LINUX_CROSS_COMPILE)
-  AC_SUBST(LINUX_KERNELRELEASE)
-  AC_SUBST(LINUX_CFLAGS)
-  AC_SUBST(LINUX_CC)
-  AC_SUBST(LINUX_LD)
-  AC_SUBST(LINUX_AS)
-  AC_SUBST(LINUX_MODULE_EXT)
-
-  AC_MSG_RESULT([ok])
+       echo make -C ${LINUX_DIR} SUBDIRS=${tmpdir} modules >&5 2>&5
+       make -C ${LINUX_DIR} SUBDIRS=${tmpdir} modules >&5 2>&5
+       . ${tmpdir}/flags
+       rm -rf ${tmpdir}
+
+       LINUX_MODULE_EXT=".o"
+
+       AC_SUBST(LINUX_ARCH)
+       AC_SUBST(LINUX_AFLAGS)
+       AC_SUBST(LINUX_LDFLAGS)
+       AC_SUBST(LINUX_ARFLAGS)
+       AC_SUBST(LINUX_CROSS_COMPILE)
+       AC_SUBST(LINUX_KERNELRELEASE)
+       AC_SUBST(LINUX_CFLAGS)
+       AC_SUBST(LINUX_CC)
+       AC_SUBST(LINUX_LD)
+       AC_SUBST(LINUX_AS)
+       AC_SUBST(LINUX_MODULE_EXT)
+
+       AC_MSG_RESULT([ok])
 ])
 
 AC_DEFUN(DS_CHECK_LINUX_CONFIG_OPTION,
 [
-  AC_MSG_CHECKING([Linux config option $1])
-
-  if grep '^$1=y$' ${LINUX_DIR}/.config >/dev/null 2>/dev/null; then
-    result=yes
-    $2
-  else if grep '^$1=m$' ${LINUX_DIR}/.config >/dev/null 2>/dev/null; then
-    result=module
-    $3
-  else
-    result=no
-    $4
-  fi
-  fi
-
-  AC_MSG_RESULT([$result])
+       AC_MSG_CHECKING([Linux config option $1])
+
+       if grep '^$1=y$' ${LINUX_DIR}/.config >/dev/null 2>/dev/null; then
+               result=yes
+               $2
+       else if grep '^$1=m$' ${LINUX_DIR}/.config >/dev/null 2>/dev/null; then
+               result=module
+               $3
+       else
+               result=no
+               $4
+       fi
+       fi
+
+       AC_MSG_RESULT([$result])
 ])
 
 AC_DEFUN(DS_LINUX_CONFIG_OPTION,
 [
-  DS_CHECK_LINUX_CONFIG_OPTION([$1],
-    [$1=yes],
-    [$1=module],
-    [$1=no])
+       DS_CHECK_LINUX_CONFIG_OPTION([$1],
+               [$1=yes],
+               [$1=module],
+               [$1=no])
 
-  AM_CONDITIONAL([$1],[test "${$1}" = yes])
+       AM_CONDITIONAL([$1],[test "${$1}" = yes])
 ])
 
 AC_DEFUN(DS_LINUX_CONFIG_OPTION_MODULE,
 [
-  DS_CHECK_LINUX_CONFIG_OPTION([$1],
-    [$1=yes],
-    [$1=module],
-    [$1=no])
+       DS_CHECK_LINUX_CONFIG_OPTION([$1],
+               [$1=yes],
+               [$1=module],
+               [$1=no])
 
-  AM_CONDITIONAL([$1],[test "${$1}" = yes -o "${$1}" = module])
+       AM_CONDITIONAL([$1],[test "${$1}" = yes -o "${$1}" = module])
 ])