mirror of https://github.com/ArduPilot/ardupilot
250 lines
7.1 KiB
Python
250 lines
7.1 KiB
Python
# Copyright (C) 2016 Intel Corporation. All rights reserved.
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#
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# This file is free software: you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This file is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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WAF Tool that checks cxx parameters, creating the ap_config.h
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header file.
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This tool needs compiler_cxx to be loaded, make sure you
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load them before this tool.
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Example::
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def configure(cfg):
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cfg.load('cxx_checks')
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"""
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from waflib.Configure import conf
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@conf
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def ap_common_checks(cfg):
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cfg.check(
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compiler='cxx',
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fragment='''
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#include <cmath>
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int main() {
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return std::isfinite(1.0f);
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}''',
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define_name="HAVE_CMATH_ISFINITE",
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msg="Checking for HAVE_CMATH_ISFINITE",
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mandatory=False,
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)
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cfg.check(
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compiler='cxx',
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fragment='''
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#include <cmath>
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int main() {
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return std::isinf(1.0f);
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}''',
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define_name="HAVE_CMATH_ISINF",
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msg="Checking for HAVE_CMATH_ISINF",
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mandatory=False,
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)
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cfg.check(
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compiler='cxx',
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fragment='''
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#include <cmath>
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int main() {
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return std::isnan(1.0f);
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}''',
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define_name="HAVE_CMATH_ISNAN",
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msg="Checking for HAVE_CMATH_ISNAN",
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mandatory=False,
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)
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# NEED_CMATH_FUNCTION_STD_NAMESPACE checks are needed due to
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# new gcc versions being more restrictive.
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#
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# Here we check if we need to add 'using std::function' to
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# the function.
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#
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# Without these checks, in some cases, gcc points this as
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# overloads or function duplication in scope.
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cfg.check(
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compiler='cxx',
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fragment='''
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#include <math.h>
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#include <cmath>
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using std::isfinite;
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int main() {
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return isfinite((double)1);
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}''',
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define_name="NEED_CMATH_ISFINITE_STD_NAMESPACE",
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msg="Checking for NEED_CMATH_ISFINITE_STD_NAMESPACE",
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mandatory=False,
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)
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cfg.check(
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compiler='cxx',
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fragment='''
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#include <math.h>
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#include <cmath>
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using std::isinf;
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int main() {
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return isinf((double)1);
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}''',
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define_name="NEED_CMATH_ISINF_STD_NAMESPACE",
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msg="Checking for NEED_CMATH_ISINF_STD_NAMESPACE",
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mandatory=False,
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)
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cfg.check(
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compiler='cxx',
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fragment='''
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#include <math.h>
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#include <cmath>
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using std::isnan;
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int main() {
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return isnan((double)1);
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}''',
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define_name="NEED_CMATH_ISNAN_STD_NAMESPACE",
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msg="Checking for NEED_CMATH_ISNAN_STD_NAMESPACE",
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mandatory=False,
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)
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cfg.check(header_name='endian.h', mandatory=False)
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cfg.check(header_name='byteswap.h', mandatory=False)
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@conf
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def check_librt(cfg, env):
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if cfg.env.DEST_OS == 'darwin':
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return True
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ret = cfg.check(
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compiler='cxx',
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fragment='''
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#include <time.h>
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int main() {
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clock_gettime(CLOCK_REALTIME, NULL);
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}''',
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msg='Checking for need to link with librt',
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okmsg='not necessary',
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errmsg='necessary',
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mandatory=False,
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)
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if ret:
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return ret
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ret = cfg.check(compiler='cxx', lib='rt')
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if ret:
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env.LIB += cfg.env['LIB_RT']
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return ret
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@conf
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def check_package(cfg, env, libname):
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'''use pkg-config to look for an installed library that has a LIBNAME.pc file'''
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capsname = libname.upper()
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cfg.env.stash()
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if not cfg.check_cfg(package=libname, mandatory=False, global_define=True,
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args=['--libs', '--cflags'], uselib_store=capsname):
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# Don't even try to link if check_cfg fails
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cfg.env.revert()
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return False
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if not cfg.check(compiler='cxx',
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fragment='''int main() { return 0; }''',
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msg='Checking link with %s' % libname,
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mandatory=False,
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lib=libname,
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use=capsname):
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cfg.env.revert()
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return False
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cfg.env.commit()
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# Add to global environment:
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# we always want to use the library for all targets
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env.LIB += cfg.env['LIB_%s' % capsname]
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env.INCLUDES += cfg.env['INCLUDES_%s' % capsname]
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env.CFLAGS += cfg.env['CFLAGS_%s' % capsname]
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env.LIBPATH += cfg.env['LIBPATH_%s' % capsname]
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return True
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@conf
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def check_lttng(cfg, env):
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if not cfg.options.enable_lttng:
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cfg.msg("Checking for 'lttng-ust':", 'disabled', color='YELLOW')
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return False
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if cfg.env.STATIC_LINKING:
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# lttng-ust depends on libdl which means it can't be used in a static build
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cfg.msg("Checking for 'lttng-ust':", 'disabled for static build', color='YELLOW')
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return False
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return check_package(cfg, env, 'lttng-ust')
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@conf
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def check_libiio(cfg, env):
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if cfg.env.STATIC_LINKING:
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# libiio depends on libdl which means it can't be used in a static build
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cfg.msg("Checking for 'libiio':", 'disabled for static build', color='YELLOW')
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return False
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if cfg.options.disable_libiio:
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cfg.msg("Checking for 'libiio':", 'disabled', color='YELLOW')
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return False
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return check_package(cfg, env, 'libiio')
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@conf
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def check_libdl(cfg, env):
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if cfg.env.STATIC_LINKING:
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# using loadable modules for a static build is not recommended
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cfg.msg("Checking for 'libdl':", 'disabled for static build', color='YELLOW')
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return False
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ret = cfg.check(compiler='cxx', lib='dl', mandatory=False, global_define=True, define_name='HAVE_LIBDL')
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if ret:
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env.LIB += cfg.env['LIB_DL']
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return ret
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@conf
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def check_SFML(cfg, env):
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if not cfg.options.enable_sfml:
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cfg.msg("Checking for SFML graphics:", 'disabled', color='YELLOW')
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return False
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libs = ['sfml-graphics', 'sfml-window','sfml-system']
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for lib in libs:
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if not cfg.check(compiler='cxx', lib=lib, mandatory=False,
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global_define=True):
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cfg.fatal("Missing SFML libraries - please install libsfml-dev")
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return False
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# see if we need Graphics.hpp or Graphics.h
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if not cfg.check(compiler='cxx',
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fragment='''#include <SFML/Graphics.hpp>\nint main() {}''', define_name="HAVE_SFML_GRAPHICS_HPP",
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msg="Checking for Graphics.hpp", mandatory=False):
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if not cfg.check(compiler='cxx', fragment='''#include <SFML/Graphics.h>\nint main() {}''', define_name="HAVE_SFML_GRAPHICS_H",
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msg="Checking for Graphics.h", mandatory=False):
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cfg.fatal("Missing SFML headers SFML/Graphics.hpp or SFML/Graphics.h")
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return False
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env.LIB += libs
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return True
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