blob: cc778ae058fa016ccdb6aa4e9b07606761fc58bd [file] [log] [blame]
#!/usr/bin/python2.4
# Copyright 2009, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
"""Build tool setup for Linux.
This module is a SCons tool which should be include in the topmost windows
environment.
It is used as follows:
env = base_env.Clone(tools = ['component_setup'])
linux_env = base_env.Clone(tools = ['target_platform_linux'])
"""
def ComponentPlatformSetup(env, builder_name):
"""Hook to allow platform to modify environment inside a component builder.
Args:
env: Environment to modify
builder_name: Name of the builder
"""
if env.get('ENABLE_EXCEPTIONS'):
env.FilterOut(CCFLAGS=['-fno-exceptions'])
env.Append(CCFLAGS=['-fexceptions'])
#------------------------------------------------------------------------------
def generate(env):
# NOTE: SCons requires the use of this name, which fails gpylint.
"""SCons entry point for this tool."""
# Preserve some variables that get blown away by the tools.
saved = dict()
for k in ['ASFLAGS', 'CFLAGS', 'CCFLAGS', 'CXXFLAGS', 'LINKFLAGS', 'LIBS']:
saved[k] = env.get(k, [])
env[k] = []
# Use g++
env.Tool('g++')
env.Tool('gcc')
env.Tool('gnulink')
env.Tool('ar')
env.Tool('as')
# Set target platform bits
env.SetBits('linux', 'posix')
env.Replace(
TARGET_PLATFORM='LINUX',
COMPONENT_PLATFORM_SETUP=ComponentPlatformSetup,
CCFLAG_INCLUDE='-include', # Command line option to include a header
# Code coverage related.
COVERAGE_CCFLAGS=['-ftest-coverage', '-fprofile-arcs', '-DCOVERAGE'],
COVERAGE_LIBS='gcov',
COVERAGE_STOP_CMD=[
'$COVERAGE_MCOV --directory "$TARGET_ROOT" --output "$TARGET"',
('$COVERAGE_GENHTML --output-directory $COVERAGE_HTML_DIR '
'$COVERAGE_OUTPUT_FILE'),
],
)
env.Append(
# Settings for debug
CCFLAGS_DEBUG=[
'-O0', # turn off optimizations
'-g', # turn on debugging info
],
LINKFLAGS_DEBUG=['-g'],
# Settings for optimized
CCFLAGS_OPTIMIZED=['-O2'],
# Settings for component_builders
COMPONENT_LIBRARY_LINK_SUFFIXES=['.so', '.a'],
COMPONENT_LIBRARY_DEBUG_SUFFIXES=[],
)
# Restore saved flags.
env.Append(**saved)