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eclipse support: document script and add checks

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As requested by Peter, add a bit of documentation in the
eclipse-register-toolchain script, and add a few more checks (even
though this script is not intended to be executed manually, which is
also now mentionned in the documentation).

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
This commit is contained in:
Thomas Petazzoni 2013-01-14 10:37:12 +00:00 committed by Peter Korsgaard
parent 73f7994e53
commit d671715c10
1 changed files with 48 additions and 0 deletions
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48
support/scripts/eclipse-register-toolchain
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@ -1,11 +1,59 @@
#!/bin/sh
# This script registers the toolchain of a Buildroot project into the
# Eclipse plugin. To do so, it adds a new line for the Buildroot
# toolchain into the $HOME/.buildroot-eclipse.toolchains file, which
# the Eclipse Buildroot plugin reads to discover automatically the
# available Buildroot toolchains on the system.
#
# This script should typically not be called manually. Instead, one
# should enable the BR2_ECLIPSE_REGISTER configuration option, which
# will lead Buildroot to automatically call this script with the
# appropriate arguments.
#
# Usage:
# eclipse-register-toolchain project-directory toolchain-prefix architecture
#
# project-directory is the absolute path to the Buildroot project
# output directory (which contains the host/, target/, build/,
# images/, etc. subdirectories). It should be an absolute and
# canonical path.
#
# toolchain-prefix is the prefix of the cross-compilation tools, i.e
# 'arm-linux-' if the cross-compiler executable is 'arm-linux-gcc'.
#
# architecture is the lower-cased name of the architecture targetted
# by the Buildroot project.
if test $# -ne 3; then
echo "Invalid number of arguments."
echo "Usage: $0 project-directory toolchain-prefix architecture"
exit 1
fi
project_directory=$1
toolchain_prefix=$2
architecture=$3
if test ! -d ${project_directory} ; then
echo "Non-existing project directory ${project_directory}"
exit 1
fi
if test ! -d ${project_directory}/host ; then
echo "Your project directory does not look like a Buildroot output"
exit 1
fi
if test ! -e ${project_directory}/host/usr/bin/${toolchain_prefix}gcc ; then
echo "Cannot find the cross-compiler in the project directory"
exit 1
fi
TOOLCHAIN_ECLIPSE_FILE=${HOME}/.buildroot-eclipse.toolchains
# First, we remove all lines from the ${TOOLCHAIN_ECLISPE_FILE} that
# correspond to toolchains that no longer exist.
if test -f ${TOOLCHAIN_ECLIPSE_FILE} ; then
mv ${TOOLCHAIN_ECLIPSE_FILE} ${TOOLCHAIN_ECLIPSE_FILE}.tmp
cat ${TOOLCHAIN_ECLIPSE_FILE}.tmp | while read toolchain ; do