This is an automated email from the ASF dual-hosted git repository.

gnutt pushed a commit to branch pr131
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git

commit e59f242f88dd7eb44fdd1b959d4e3d822236ea36
Author: Xiang Xiao <[email protected]>
AuthorDate: Mon Jan 20 01:29:34 2020 +0800

    remove the dup kconfig tweak in configure.sh, testbuild.sh and sethost.sh
    
    Change-Id: I2027b6be55609d8828ff39b568d1f8ddcf333e9a
    Signed-off-by: Xiang Xiao <[email protected]>
---
 tools/README.txt   |  24 ++++++------
 tools/configure.sh | 113 ++++++++---------------------------------------------
 tools/sethost.sh   |  84 +++++++++++++++++++++------------------
 tools/testbuild.sh |  93 +++++--------------------------------------
 4 files changed, 83 insertions(+), 231 deletions(-)

diff --git a/tools/README.txt b/tools/README.txt
index d37a0fb..e9932b4 100644
--- a/tools/README.txt
+++ b/tools/README.txt
@@ -887,19 +887,19 @@ sethost.sh
 
   Or, if you are on a Windows/Cygwin 64-bit platform:
 
-    $ tools/sethost.sh -w
+    $ tools/sethost.sh -c
 
   Other options are available:
 
     $ ./sethost.sh -h
 
-    USAGE: ./sethost.sh [-w|l|m] [-c|u|g|n] [<config>]
+    USAGE: ./sethost.sh [-l|m|c|u|g|n] [<config>]
            ./sethost.sh -h
 
     Where:
-      -w|l|m selects Windows (w), Linux (l), or macOS (m).  Default: Linux
-      -c|u|g|n selects Windows environment option:  Cygwin (c), Ubuntu under
-         Windows 10 (u), MSYS/MSYS2 (g) or Windows native (n).  Default Cygwin
+      -l|m|c|u|g|n selects Linux (l), macOS (m), Cygwin (c),
+         Ubuntu under Windows 10 (u), MSYS/MSYS2 (g)
+         or Windows native (n).  Default Linux
       -h will show this help test and terminate
       <config> selects configuration file.  Default: .config
 
@@ -935,15 +935,15 @@ testbuild.sh
 
     $ ./testbuild.sh -h
 
-    USAGE: ./testbuild.sh [-w|l] [-c|u|n] [-a <appsdir>] [-n <nxdir>] 
<testlist-file>
+    USAGE: ./testbuild.sh [-l|m|c|u|g|n] [-d] [-x] [-j <ncpus>] [-a <appsdir>] 
[-t <topdir>] <testlist-file>
            ./testbuild.sh -h
 
     Where:
-      -w|l selects Windows (w) or Linux (l).  Default: Linux
-      -c|u|n selects Windows environment option:  Cygwin (c), Ubuntu under
-         Windows 10 (u), or Windows native (n).  Default Cygwin
+      -l|m|c|u|g|n selects Linux (l), macOS (m), Cygwin (c),
+         Ubuntu under Windows 10 (u), or Windows native (n).  Default Linux
       -a <appsdir> provides the relative path to the apps/ directory.  Default 
../apps
-      -n <nxdir> provides the relative path to the NxWidgets/ directory.  
Default ../NxWidgets
+      -t <topdir> provides the absolute path to top nuttx/ directory.  Default 
$PWD/../nuttx
+      -j <ncpus> passed on to make.  Default:  No -j make option
       -d enables script debug output
       -x exit on build failures
       -h will show this help test and terminate
@@ -954,8 +954,8 @@ testbuild.sh
 
   These script needs two pieces of information.
 
-    a. A description of the platform that you are testing on.  This
-       description is provided by the optional -w, -l, -c, and -n options.
+    a. A description of the platform that you are testing on.  This description
+       is provided by the optional -l, -m, -c, -u, -g and -n options.
     b. A list of configurations to build.  That list is provided by a test
        list file.  The final, non-optional parameter, <testlist-file>,
        provides the path to that file.
diff --git a/tools/configure.sh b/tools/configure.sh
index 943c2d0..a90517d 100755
--- a/tools/configure.sh
+++ b/tools/configure.sh
@@ -68,10 +68,10 @@ OPTFILES="\
 # Parse command arguments
 
 unset boardconfig
+unset winnative
 unset appdir
 unset host
-unset wenv
-debug=n
+unset debug
 skip=0
 
 while [ ! -z "$1" ]; do
@@ -80,39 +80,25 @@ while [ ! -z "$1" ]; do
     shift
     appdir=$1
     ;;
-  -c )
-    host=windows
-    wenv=cygwin
+  -c | -g | -l | -m | -u )
+    winnative=n
+    host+=" $1"
+    ;;
+  -n )
+    winnative=y
+    host+=" $1"
     ;;
   -d )
-    debug=y
+    debug=-d
     set -x
     ;;
-  -g )
-    host=windows
-    wenv=msys
-    ;;
   -h )
     echo "$USAGE"
     exit 0
     ;;
-  -l )
-    host=linux
-    ;;
-  -m )
-    host=macos
-    ;;
-  -n )
-    host=windows
-    wenv=native
-    ;;
   -s )
     skip=1
     ;;
-  -u )
-    host=windows
-    wenv=ubuntu
-    ;;
   *)
     if [ ! -z "${boardconfig}" ]; then
       echo ""
@@ -204,14 +190,11 @@ fi
 # native host, then don't even check what is in the defconfig file.
 
 oldnative=`grep CONFIG_WINDOWS_NATIVE= ${src_config} | cut -d'=' -f2`
-if [ "X$host" != "Xwindows" -o "X$wenv" != "Xnative" ]; then
-  unset winnative
-else
-  if [ "X$host" == "Xwindows" -a "X$wenv" == "Xnative" ]; then
-    winnative=y
-  else
-    winnative=$oldnative
-  fi
+if [ -z "${oldnative}" ]; then
+  oldnative=n
+fi
+if [ -z "${winnative}" ]; then
+  winnative=$oldnative
 fi
 
 # If no application directory was provided on the command line and we are
@@ -296,73 +279,9 @@ if [ "X${defappdir}" = "Xy" ]; then
   fi
 fi
 
-if [ ! -z "$host" ]; then
-  sed -i -e "/CONFIG_HOST_LINUX/d" ${dest_config}
-  sed -i -e "/CONFIG_HOST_WINDOWS/d" ${dest_config}
-  sed -i -e "/CONFIG_HOST_MACOS/d" ${dest_config}
-  sed -i -e "/CONFIG_HOST_OTHER/d" ${dest_config}
-  sed -i -e "/CONFIG_WINDOWS_NATIVE/d" ${dest_config}
-  sed -i -e "/CONFIG_WINDOWS_CYGWIN/d" ${dest_config}
-  sed -i -e "/CONFIG_WINDOWS_MSYS/d" ${dest_config}
-  sed -i -e "/CONFIG_WINDOWS_UBUNTU/d" ${dest_config}
-  sed -i -e "/CONFIG_WINDOWS_OTHER/d" ${dest_config}
-  sed -i -e "/CONFIG_SIM_X8664_MICROSOFT/d" ${dest_config}
-  sed -i -e "/CONFIG_SIM_X8664_SYSTEMV/d" ${dest_config}
-
-  case "$host" in
-  "linux")
-    echo "  Select CONFIG_HOST_LINUX=y"
-    echo "CONFIG_HOST_LINUX=y" >> "${dest_config}"
-    echo "CONFIG_SIM_X8664_SYSTEMV=y" >> "${dest_config}"
-    ;;
-
-  "macos")
-    echo "  Select CONFIG_HOST_MACOS=y"
-    echo "CONFIG_HOST_MACOS=y" >> "${dest_config}"
-    ;;
-
-  "windows")
-    echo "  Select CONFIG_HOST_WINDOWS=y"
-    echo "CONFIG_HOST_WINDOWS=y" >> "${dest_config}"
-    echo "CONFIG_SIM_X8664_MICROSOFT=y" >> "${dest_config}"
-
-    case "$wenv" in
-    "cygwin")
-      echo "  Select CONFIG_WINDOWS_CYGWIN=y"
-      echo "CONFIG_WINDOWS_CYGWIN=y" >> "${dest_config}"
-      ;;
-
-    "msys")
-      echo "  Select CONFIG_WINDOWS_MSYS=y"
-      echo "CONFIG_WINDOWS_MSYS=y" >> "${dest_config}"
-      ;;
-
-    "ubuntu")
-      echo "  Select CONFIG_WINDOWS_UBUNTU=y"
-      echo "CONFIG_WINDOWS_UBUNTU=y" >> "${dest_config}"
-      ;;
-
-    *)
-      echo "  Select CONFIG_WINDOWS_NATIVE=y"
-      echo "CONFIG_WINDOWS_NATIVE=y" >> "${dest_config}"
-      ;;
-    esac
-  esac
-fi
-
 # The saved defconfig files are all in compressed format and must be
 # reconstitued before they can be used.
 
-echo "  Refreshing..."
 cd ${TOPDIR} || { echo "Failed to cd to ${TOPDIR}"; exit 10; }
 
-MAKE_BIN=make
-if [ ! -z `which gmake 2>/dev/null` ]; then
-  MAKE_BIN=gmake
-fi
-
-if [ "X${debug}" = "Xy" ]; then
-  ${MAKE_BIN} olddefconfig V=1
-else
-  ${MAKE_BIN} olddefconfig 1>/dev/null
-fi
+./tools/sethost.sh $debug $host
diff --git a/tools/sethost.sh b/tools/sethost.sh
index 981224f..2cd63ff 100755
--- a/tools/sethost.sh
+++ b/tools/sethost.sh
@@ -33,19 +33,21 @@
 #
 
 progname=$0
+debug=n
 host=linux
 wenv=cygwin
 unset configfile
 
 function showusage {
   echo ""
-  echo "USAGE: $progname [-w|l|m] [-c|u|g|n] [-32|64] [<config>]"
+  echo "USAGE: $progname -d [-l|m|c|u|g|n] [<config>]"
   echo "       $progname -h"
   echo ""
   echo "Where:"
-  echo "  -w|l|m selects Windows (w), Linux (l), or macOS (m).  Default: Linux"
-  echo "  -c|u|g|n selects Windows environment option:  Cygwin (c), Ubuntu 
under"
-  echo "     Windows 10 (u), MSYS/MSYS2 (g) or Windows native (n).  Default 
Cygwin"
+  echo "  -d enables script debug output"
+  echo "  -l|m|c|u|g|n selects Linux (l), macOS (m), Cygwin (c),"
+  echo "     Ubuntu under Windows 10 (u), MSYS/MSYS2 (g)"
+  echo "     or Windows native (n). Default Linux"
   echo "  -h will show this help test and terminate"
   echo "  <config> selects configuration file.  Default: .config"
   exit 1
@@ -55,8 +57,8 @@ function showusage {
 
 while [ ! -z "$1" ]; do
   case $1 in
-  -w )
-    host=windows
+  -d )
+    debug=y
     ;;
   -l )
     host=linux
@@ -173,75 +175,79 @@ if [ "X$host" == "Xlinux" -o "X$host" == "Xmacos" ]; then
   if [ "X$host" == "Xlinux" ]; then
     echo "  Select CONFIG_HOST_LINUX=y"
 
-    kconfig-tweak --file $nuttx/.config --enable CONFIG_HOST_LINUX
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_MACOS
+    echo "CONFIG_HOST_LINUX=y" >> $nuttx/.config
+    sed -i -e "/CONFIG_HOST_MACOS/d" $nuttx/.config
   else
     echo "  Select CONFIG_HOST_MACOS=y"
 
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_LINUX
-    kconfig-tweak --file $nuttx/.config --enable CONFIG_HOST_MACOS
+    sed -i -e "/CONFIG_HOST_LINUX/d" $nuttx/.config
+    echo "CONFIG_HOST_MACOS=y" >> $nuttx/.config
   fi
 
   # Disable all Windows options
 
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_WINDOWS
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_SIM_X8664_MICROSOFT
-  kconfig-tweak --file $nuttx/.config --enable CONFIG_SIM_X8664_SYSTEMV
+  sed -i -e "/CONFIG_HOST_WINDOWS/d" $nuttx/.config
+  sed -i -e "/CONFIG_SIM_X8664_MICROSOFT/d" $nuttx/.config
+  echo "CONFIG_SIM_X8664_SYSTEMV=y" >> $nuttx/.config
 
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_NATIVE
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_CYGWIN
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_UBUNTU
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_MSYS
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_OTHER
+  sed -i -e "/CONFIG_WINDOWS_NATIVE/d" $nuttx/.config
+  sed -i -e "/CONFIG_WINDOWS_CYGWIN/d" $nuttx/.config
+  sed -i -e "/CONFIG_WINDOWS_UBUNTU/d" $nuttx/.config
+  sed -i -e "/CONFIG_WINDOWS_MSYS/d" $nuttx/.config
+  sed -i -e "/CONFIG_WINDOWS_OTHER/d" $nuttx/.config
 else
   echo "  Select CONFIG_HOST_WINDOWS=y"
 
   # Enable Windows
 
-  kconfig-tweak --file $nuttx/.config --enable CONFIG_HOST_WINDOWS
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_LINUX
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_MACOS
+  echo "CONFIG_HOST_WINDOWS=y" >> $nuttx/.config
+  sed -i -e "/CONFIG_HOST_LINUX/d" $nuttx/.config
+  sed -i -e "/CONFIG_HOST_MACOS/d" $nuttx/.config
 
-  kconfig-tweak --file $nuttx/.config --enable CONFIG_SIM_X8664_MICROSOFT
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_SIM_X8664_SYSTEMV
+  echo "CONFIG_SIM_X8664_MICROSOFT=y" >> $nuttx/.config
+  sed -i -e "/CONFIG_SIM_X8664_SYSTEMV/d" $nuttx/.config
 
   # Enable Windows environment
 
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_OTHER
+  sed -i -e "/CONFIG_WINDOWS_OTHER/d" $nuttx/.config
   if [ "X$wenv" == "Xcygwin" ]; then
     echo "  Select CONFIG_WINDOWS_CYGWIN=y"
-    kconfig-tweak --file $nuttx/.config --enable CONFIG_WINDOWS_CYGWIN
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_MSYS
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_UBUNTU
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_NATIVE
+    echo "CONFIG_WINDOWS_CYGWIN=y" >> $nuttx/.config
+    sed -i -e "/CONFIG_WINDOWS_MSYS/d" $nuttx/.config
+    sed -i -e "/CONFIG_WINDOWS_UBUNTU/d" $nuttx/.config
+    sed -i -e "/CONFIG_WINDOWS_NATIVE/d" $nuttx/.config
   else
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_CYGWIN
+    sed -i -e "/CONFIG_WINDOWS_CYGWIN/d" $nuttx/.config
     if [ "X$wenv" == "Xmsys" ]; then
       echo "  Select CONFIG_WINDOWS_MSYS=y"
-      kconfig-tweak --file $nuttx/.config --enable CONFIG_WINDOWS_MSYS
-      kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_UBUNTU
-      kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_NATIVE
+      echo "CONFIG_WINDOWS_MSYS=y" >> $nuttx/.config
+      sed -i -e "/CONFIG_WINDOWS_UBUNTU/d" $nuttx/.config
+      sed -i -e "/CONFIG_WINDOWS_NATIVE/d" $nuttx/.config
     else
-      kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_MSYS
+      sed -i -e "/CONFIG_WINDOWS_MSYS/d" $nuttx/.config
       if [ "X$wenv" == "Xubuntu" ]; then
         echo "  Select CONFIG_WINDOWS_UBUNTU=y"
-        kconfig-tweak --file $nuttx/.config --enable CONFIG_WINDOWS_UBUNTU
-        kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_NATIVE
+        echo "CONFIG_WINDOWS_UBUNTU=y" >> $nuttx/.config
+        sed -i -e "/CONFIG_WINDOWS_NATIVE/d" $nuttx/.config
       else
         echo "  Select CONFIG_WINDOWS_NATIVE=y"
-        kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_UBUNTU
-        kconfig-tweak --file $nuttx/.config --enable CONFIG_WINDOWS_NATIVE
+        sed -i -e "/CONFIG_WINDOWS_UBUNTU/d" $nuttx/.config
+        echo "CONFIG_WINDOWS_NATIVE=y" $nuttx/.config
       fi
     fi
   fi
 fi
 
-kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_OTHER
+sed -i -e "/CONFIG_HOST_OTHER/d" $nuttx/.config
 
 echo "  Refreshing..."
 cd $nuttx || { echo "ERROR: failed to cd to $nuttx"; exit 1; }
 make clean_context 1>/dev/null 2>&1
-make olddefconfig 1>/dev/null 2>&1
+if [ "X${debug}" = "Xy" ]; then
+  make olddefconfig V=1
+else
+  make olddefconfig 1>/dev/null 2>&1
+fi
 
 # Move config file to correct location and restore any previous .config
 # and Make.defs files
diff --git a/tools/testbuild.sh b/tools/testbuild.sh
index 71798c0..167ec5f 100755
--- a/tools/testbuild.sh
+++ b/tools/testbuild.sh
@@ -36,23 +36,21 @@ WD=$PWD
 nuttx=$WD/../nuttx
 
 progname=$0
-host=linux
-wenv=cygwin
 APPSDIR=../apps
 MAKE_FLAGS=-i
 MAKE=make
 unset testfile
+unset HOPTION
 unset JOPTION
 
 function showusage {
   echo ""
-  echo "USAGE: $progname [-w|l] [-c|u|n] [-d] [-x] [-j <ncpus>] [-a <appsdir>] 
[-t <topdir>] <testlist-file>"
+  echo "USAGE: $progname [-l|m|c|u|g|n] [-d] [-x] [-j <ncpus>] [-a <appsdir>] 
[-t <topdir>] <testlist-file>"
   echo "       $progname -h"
   echo ""
   echo "Where:"
-  echo "  -w|l selects Windows (w) or Linux (l).  Default: Linux"
-  echo "  -c|u|n selects Windows environment option:  Cygwin (c), Ubuntu under"
-  echo "     Windows 10 (u), or Windows native (n).  Default Cygwin"
+  echo "  -l|m|c|u|g|n selects Linux (l), macOS (m), Cygwin (c),"
+  echo "     Ubuntu under Windows 10 (u), MSYS/MSYS2 (g) or Windows native 
(n).  Default Linux"
   echo "  -d enables script debug output"
   echo "  -x exit on build failures"
   echo "  -j <ncpus> passed on to make.  Default:  No -j make option."
@@ -71,27 +69,12 @@ function showusage {
 
 while [ ! -z "$1" ]; do
   case $1 in
-  -w )
-    host=windows
-    ;;
-  -l )
-    host=linux
-    ;;
-  -c )
-    host=windows
-    wenv=cygwin
+  -l | -m | -c | -u | -g | -n )
+    HOPTION+=" $1"
     ;;
   -d )
     set -x
     ;;
-  -u )
-    host=windows
-    wenv=ubuntu
-    ;;
-  -n )
-    host=windows
-    wenv=native
-    ;;
   -x )
     MAKE_FLAGS='--silent --no-print-directory'
     set -e
@@ -155,75 +138,19 @@ function distclean {
 function configure {
   cd $nuttx/tools || { echo "ERROR: failed to CD to $nuttx/tools"; exit 1; }
   echo "  Configuring..."
-  ./configure.sh $config
-
-  cd $nuttx || { echo "ERROR: failed to CD to $nuttx"; exit 1; }
-
-  if [ "X$host" == "Xlinux" ]; then
-    echo "  Select CONFIG_HOST_LINUX=y"
-
-    kconfig-tweak --file $nuttx/.config --enable CONFIG_HOST_LINUX
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_WINDOWS
-
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_TOOLCHAIN_WINDOWS
-
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_NATIVE
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_CYGWIN
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_MSYS
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_OTHER
-
-    kconfig-tweak --file $nuttx/.config --enable CONFIG_SIM_X8664_SYSTEMV
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_SIM_X8664_MICROSOFT
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_SIM_M32
-  else
-    echo "  Select CONFIG_HOST_WINDOWS=y"
-    kconfig-tweak --file $nuttx/.config --enable CONFIG_HOST_WINDOWS
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_LINUX
-
-    if [ "X$wenv" == "Xcygwin" ]; then
-      echo "  Select CONFIG_WINDOWS_CYGWIN=y"
-      kconfig-tweak --file $nuttx/.config --enable CONFIG_WINDOWS_CYGWIN
-      kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_UBUNTU
-      kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_NATIVE
-    else
-      kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_CYGWIN
-      if [ "X$wenv" == "Xubuntu" ]; then
-        echo "  Select CONFIG_WINDOWS_UBUNTU=y"
-        kconfig-tweak --file $nuttx/.config --enable CONFIG_WINDOWS_UBUNTU
-        kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_NATIVE
-      else
-        echo "  Select CONFIG_WINDOWS_NATIVE=y"
-        kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_UBUNTU
-        kconfig-tweak --file $nuttx/.config --enable CONFIG_WINDOWS_NATIVE
-      fi
-    fi
-
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_MSYS
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_WINDOWS_OTHER
-
-    kconfig-tweak --file $nuttx/.config --enable CONFIG_SIM_X8664_MICROSOFT
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_SIM_X8664_SYSTEMV
-    kconfig-tweak --file $nuttx/.config --disable CONFIG_SIM_M32
-  fi
-
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_MACOS
-  kconfig-tweak --file $nuttx/.config --disable CONFIG_HOST_OTHER
+  ./configure.sh ${HOPTION} $config
 
   if [ "X$toolchain" != "X" ]; then
-    setting=`grep TOOLCHAIN $nuttx/.config | grep -v 
CONFIG_ARCH_TOOLCHAIN_GNU=y | grep =y`
+    setting=`grep _TOOLCHAIN_ $nuttx/.config | grep -v 
CONFIG_ARCH_TOOLCHAIN_*=y | grep =y`
     varname=`echo $setting | cut -d'=' -f1`
     if [ ! -z "$varname" ]; then
       echo "  Disabling $varname"
-      kconfig-tweak --file $nuttx/.config --disable $varname
+      sed -i -e "/$varname/d" $nuttx/.config
     fi
 
     echo "  Enabling $toolchain"
-    kconfig-tweak --file $nuttx/.config --enable $toolchain
+    echo "$toolchain=y" >> $nuttx/.config
   fi
-
-  echo "  Refreshing..."
-  cd $nuttx || { echo "ERROR: failed to CD to $nuttx"; exit 1; }
-  ${MAKE} ${MAKE_FLAGS} olddefconfig 1>/dev/null 2>&1
 }
 
 # Perform the next build

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