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runqemu: report error if TMPDIR cannot be determined 

Invoking runqemu outside of the build directory for an
in-tree setup results in an empty TMPDIR because bitbake -e
cannot be run to find it.

A symptom of this problem is running runqemu and getting the
following error:

Error: Unable to find tunctl binary in <directory>

Catch this case and report the error to the user.

This fixes [YOCTO #1278]

(From OE-Core rev: ab5544ac801a976b56468ade0f5d2e95c11feb87)

Signed-off-by: Scott Garman <scott.a.garman@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Scott Garman 2011-07-22 18:23:27 -07:00 committed by Richard Purdie
parent e9e77799a1
commit 3fddac4ee9
1 changed files with 16 additions and 11 deletions
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27
scripts/runqemu
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@ -272,22 +272,27 @@ setup_tmpdir() {
# We have bitbake in PATH, get TMPDIR from bitbake
TMPDIR=`bitbake -e | grep TMPDIR=\" | cut -d '=' -f2 | cut -d '"' -f2`
if [ -z "$TMPDIR" ]; then
echo "Error: this script needs to be run from your build directory,"
echo "or you need to explicitly set TMPDIR in your environment"
exit 1
fi
fi
}
setup_sysroot() {
# Toolchain installs set up $OECORE_NATIVE_SYSROOT in their
# environment script. If that variable isn't set, we're
# either in an in-tree build scenario or the environment
# script wasn't source'd.
if [ -z "$OECORE_NATIVE_SYSROOT" ]; then
setup_tmpdir
BUILD_ARCH=`uname -m`
BUILD_OS=`uname | tr '[A-Z]' '[a-z]'`
BUILD_SYS="$BUILD_ARCH-$BUILD_OS"
# Toolchain installs set up $OECORE_NATIVE_SYSROOT in their
# environment script. If that variable isn't set, we're
# either in an in-tree build scenario or the environment
# script wasn't source'd.
if [ -z "$OECORE_NATIVE_SYSROOT" ]; then
setup_tmpdir
BUILD_ARCH=`uname -m`
BUILD_OS=`uname | tr '[A-Z]' '[a-z]'`
BUILD_SYS="$BUILD_ARCH-$BUILD_OS"
OECORE_NATIVE_SYSROOT=$TMPDIR/sysroots/$BUILD_SYS
fi
OECORE_NATIVE_SYSROOT=$TMPDIR/sysroots/$BUILD_SYS
fi
}
# Locate a rootfs image based on defaults defined above