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#!/bin/bash
#
# (c) 2012 Bernhard Walle <bernhard@bwalle.de>
#
# This function is Darwin (Mac OS) specific. Helper function for
# ptxd_make_world_install_library_path.
#
# It should be invoked on one binary in ptxdist platform-*/sysroot-host (both
# for executables and libraries after installation. For binaries and libraries,
# edits the dependent shared library install name to point to sysroot-host/lib.
# For libraries only it changes also the install name (-id). That way the
# binaries linked against a library in sysroot-target/lib can be executed
# directly without setting environment variables.
#
# Arguments: $1 - the binary
ptxd_make_world_install_library_path_one()
{
local binary="$1"
local filename installfile
for used_library in $(otool -LX "${binary}" | awk '{print $1}') ; do
filename="$(basename "${used_library}")"
# if the library exists in sysroot-host, we use that one
# using @executable_path even keeps the tree relocatable.
installfile="${PTXDIST_SYSROOT_HOST}/lib/${filename}"
if [ -r "${installfile}" ] ; then
install_name_tool -change \
"${used_library}" "${installfile}" \
"${binary}"
fi
# if it's a library, change also the ID so that binaries
# that link against the binary get it right in the first
# place (so they can get executed before installation)
if [[ ${installfile} == *.dylib ]] ; then
install_name_tool -id "${binary}" "${binary}"
fi
done
}
export -f ptxd_make_world_install_library_path_one
# This function is Darwin (Mac OS) specific. It does nothing on other
# operating systems.
#
# The function gets invoked in install.post stage after the binaries
# have been copied from the package dir to the sysroot-host directory.
# The function must be called with the package directory as argument.
# For every binary (library and executable) in that package directory
# it translates the path to the correspondent path after copying
# to the sysroot-host and invokes ptxd_make_world_install_library_path_one
# which finally edits the install path of libaries/executables.
ptxd_make_world_install_library_path()
{
if [ "$(uname -s)" != Darwin ] ; then
return
fi
local file
local installed_file
echo "install.post: Fixup library paths"
for file in $(find "${pkg_pkg_dir}" -type f) ; do
# skip non-Mach-O files
file -b "${file}" | grep -q '^Mach-O' || continue
installed_file=$(echo $file | sed -e "s@${pkg_pkg_dir}@${pkg_sysroot_dir}@g")
ptxd_make_world_install_library_path_one "${installed_file}"
done
echo "install.post: Fixup library paths: done"
}
export -f ptxd_make_world_install_library_path
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