def do_install(self):
"""This class should call this version of the install method.
Package implementations should override install().
"""
if not self.spec.concrete:
raise ValueError("Can only install concrete packages.")
if os.path.exists(self.prefix):
tty.msg("%s is already installed." % self.name)
tty.pkg(self.prefix)
return
if not self.ignore_dependencies:
self.do_install_dependencies()
self.do_stage()
self.setup_install_environment()
# Add convenience commands to the package's module scope to
# make building easier.
self.add_commands_to_module()
tty.msg("Building %s." % self.name)
try:
# create the install directory (allow the layout to handle this in
# case it needs to add extra files)
spack.install_layout.make_path_for_spec(self.spec)
self.install(self.spec, self.prefix)
if not os.path.isdir(self.prefix):
tty.die("Install failed for %s. No install dir created." % self.name)
except Exception, e:
if not self.dirty:
self.remove_prefix()
raise
try:
# create the install directory (allow the layout to handle this in
# case it needs to add extra files)
spack.install_layout.make_path_for_spec(self.spec)
self.install(self.spec, self.prefix)
if not os.path.isdir(self.prefix):
tty.die("Install failed for %s. No install dir created." % self.name)
except Exception, e:
if not self.dirty:
self.remove_prefix()
raise
tty.msg("Successfully installed %s" % self.name)
tty.pkg(self.prefix)
# Once the install is done, destroy the stage where we built it,
# unless the user wants it kept around.
if not self.dirty:
self.stage.destroy()
def setup_install_environment(self):
"""This ensures a clean install environment when we build packages."""
pop_keys(os.environ, "LD_LIBRARY_PATH", "LD_RUN_PATH", "DYLD_LIBRARY_PATH")
# Add spack environment at front of path and pass the
# lib location along so the compiler script can find spack
os.environ[SPACK_LIB] = lib_path
